第 70 回日本不整脈心電学会学術大会

2

第１日目

7 月 18 日（木）第１日目
第 1 会場  石川県立音楽堂 2F コンサートホール

Oral Presentation 1
AF 1

8:30-9:30

Chair：Masaharu Masuda（kansai Rosai Hospital, Japan）
Chair ：Michifumi Tokuda（The Jikei University School of Medicine, Japan）
Discusser ：Yuichiro Sakamoto（Toyohashi Heart Center, japan）
Discusser ：Tomohiro Miyata（Biwako Ohashi Hospital, Japan）

O1-1

MULTIVARIATE ANALYSIS EVALUATING THE PREVENTIVE EFFECT OF SPARCL1 DERIVED FROM EPICARDIAL ADIPOCYTES ON POSTOPERATIVE ATRIAL FIBRILLATION FOLLOWING CARDIOVASCULAR
SURGERY ·····································································································································
27
Speaker：Taisuke Harada（Oita University, Japan）

O1-2

EFFICACY OF COMBINATION SCREENING WITH COMPUTED TOMOGRAPHY-BASED EVALUATION OF
MYOCARDIAL EXTRACELLULAR VOLUME AND RED-FLAGS FOR DIAGNOSIS OF SILENT CARDIAC AMYLOIDOSIS IN PATIENTS WITH ATRIAL FIBRILLATION ···································································
28
Speaker：Hidekazu Kondo（Oita University, Japan）

O1-3

WHY DO WOMEN HAVE LOWER ATRIAL VOLTAGE? : INSIGHT FROM MYOCARDIAL SIZE IN PATIENTSWITH MINIMUM STRUCTURAL REMODELING ··············································································
28
Speaker：Kana Nakashima（Saga University, Japan）

O1-4

CLINICAL FEATURES OF POSTOPERATIVE AND LATE-ONSET ATRIAL FIBRILLATION AFTER CARDIAC
AND NON-CARDIAC THORACIC SURGERY ····················································································
29
Speaker：Manabu Kashiwagi（Wakayama Medical University, Japan）

O1-5

UTILITY OF RIGHT ATRIAL POSTERIOR WALL ISOLATION FOR PATIENTS WITH ATRIAL FIBRILLATIONREFRACTORY TOPULMONARY VEIN ISOLATION AND OTHER ADDITIONAL TREATMENTS······················································································································································
29
Speaker：Shota Kato（Nara Medical University, Japan）

Oral Presentation 2
AF 2

11:00-12:10

Chair：Takayuki Otsuka（The Cardiovascular Institute, Japan）
Chair ：Kunihiko Kiuchi（Yodogawa Christian Hospital, Japan）
Discusser ：Tomoya Ozawa（Shiga University of Medical Science, Japan）
Discusser ：Shintaro Yamagami（Tenri Hospital, Japan）

O2-1

ABLATION TO FRACTIONATED ATRIAL POTENTIAL (FrAP) BY RHYTHMIA SYSTEM FOR NONPAROXYSMAL ATRIAL FIBRILLATION: INITIAL REPORT FOR CLINICAL UTILITY OF FrAP ABLATION······················································································································································
30
Speaker：Norishige Moita（Tokai University Hachioji Hospital, Japan）

O2-2

NEW ABLATION STRATEGY FOR ISOLATING SUPERIOR VENA CAVA USING VERY HIGH POWER SHORT31
DURATION (vHPSD) ······················································································································

O2-3

ELECTRICAL ISOLATION OF THE LEFT ATRIAL ANTERIOR WALL IN PATIENTS WITH ATRIAL FIBRILLATION REFRACTORY TO BOX ISOLATION ······················································································
31

O2-4

PULMONARY VEIN ISOLATION WITH HIGH-POWER SHORT-DURATION ABLATION: ANALYSIS OF THE
NOVEL 3-DIMENTIONAL CARDIAC MODEL FOR PULMONARY VEIN-LEFT ATRIAL WALL THICKNESS,
PEAK FREQUENCY, AND OMNIPOLAR VOLTAGE ··········································································
32

O2-5

OBESITY IS AN INDEPENDENT NEGATIVE PREDICTOR FOR FIRST-PASS PULMONARY VEIN ISOLATION32
IN ABLATION-INDEX-GUIDED PULMONARY VEIN ISOLATION ·······················································

Speaker：Hiroyuki Takekawa（Miyazaki Medical Association Hospital, Japan）

Speaker：Hiroki Yano（Nara Medical University, Japan）

Speaker：Moyuru Hirata（Nihon University, Japan）

Speaker：Hideharu Okamatsu（Saiseikai Kumamoto Hospital, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

PREDICTIVE FACTORS FOR ACHIEVING COMPLETE BLOCK IN FIRST-PASS ABLATION OF LEFT ATRIAL
ROOF LINE IN PATIENTS WITH ATRIAL FIBRILLATION ·································································
33
Speaker：Toshikazu Kono（Kameda Medical Center, Japan）

Oral Presentation 3
Bradycardias 1

16:40-18:00

Chair：Yasuharu Matsunaga-Lee（Osaka Rosai Hospital, Japan）
Chair ：Yuki Hasegawa（Niigata University, Japan）
Discusser ：Manabu Kashiwagi（Wakayama Medical University, Japan）
Discusser ：Kazuki Mori（Hyogo Prefectural Amagasaki General Medical Center, Japan）

O3-1

SWINGING MOVEMENT OF HELIX FIXATION LEADLESS PACEMAKER: BENIGN PHENOMENON OR MALIGNANT SIGN ······························································································································
34
Speaker：Hiro Yamasaki（University of Tsukuba, Japan）

O3-2

EXPERIENCE IN AVEIR VR IMPLANTATION IN TWO HIGH-VOLUME CENTERS ······························

35

Speaker：Takehiro Nomura（Sendai Kousei Hospital, Japan）

O3-3

COMPARATIVE ANALYSIS OF FLUOROSCOPY-GUIDED SUBCLAVIAN AND AXILLARY VEIN PUNCTURE
VERSUS ULTRASOUND-GUIDED PUNCTURE IN PACEMAKER IMPLANTATION ······························
35

O3-4

BAYESIAN NETWORK-BASED SCORE ON 12-LEADS ELECTROCARDIOGRAM CAN PREDICT CARDIAC
PROGNOSIS IN PATIENTS WITH VENTRICULAR PACING AFTER PACEMAKER IMPLANTATION······················································································································································
36

Speaker：Motomi Tachibana（The Sakakibara Heart Institute of Okayama, Japan）

Speaker：Masato Shimizu（Yokohama Minami Kyosai Hospital, Japan）

O3-5

UTILIZING LEADLESS PACEMAKER IN EXTREME ELDERLY PATIENTS WITH CONVENTIONAL PACEMAKER SYSTEM: A TWO-YEAR FOLLOW-UP CASE SERIES WITHOUT GENERATOR EXTRACTION IN
HIGH-RISK BLEEDING SCENARIOS ································································································
36
Speaker：Weng Chio Tam（Centro Hospitalar Conde São Januário, Macao SAR）

O3-6

A COMPARISON OF LEFT VENTRICULAR SYNCHRONIZATION BETWEEN HIS BUNDLE AND RIGHT VENTRICULAR OUTFLOW TRACT PACING: 3 YEARS FOLLOW UP ·······················································
37
Speaker：Yasutaka Hirayama（Megumino Hospital, Japan）

O3-7

PATIENT PROFILE AND PROCEDURAL CHARACTERISTICS OF JAPANESE PATIENTS UNDERGOING ATRIOVENTRICULAR SYNCHRONOUS LEADLESS PACEMAKER IMPLANT IN THE REAL-WORLD SETTING······················································································································································
37
Speaker：Kyoko Soejima（Kyorin University, Japan）

第 4 会場  ANA クラウンプラザホテル金沢 3F 鳳（西）Oral Presentation 4
AVNRT study

8:30-9:30

Chair：Kazuo Usuda（Toyama Prefectural Central Hospital, Japan）
Chair ：Atsushi Kobori（Kobe City Medical Center General Hospital, Japan）
Discusser ：Yoshitaka Kimura（Leiden University Medical Center Department of Cardiology, Netherlands）
Discusser ：Shu Hirata（Nihon University, Japan）

O4-1

ACCURATE DIAGNOSIS OF ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA WITH VERYSHORT VENTRICULAR-ATRIAL INTERVAL AND EARLIEST ACTIVATION IN THE PROXIMAL CORONARY
38
SINUS ···········································································································································
Speaker：Yuji Wakamatsu（Nihon University, Japan）

O4-2

NOVEL APPROACH OF SLOW PATHWAY ABLATION IN COMMON ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA BY PEAK FREQUENCY MAP OF EnSite X ··················································
39
Speaker：Masao Takahashi（Tokyo Metropolitan Hiroo Hospital, Japan）

O4-3

ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA ABLATION USING OF KOCH’S TRIANGLE
HIGH-DIFINITION MAPPING DURING RIGHT ATRIAL APPENDAGE PACING AND 0.33 mm MICRO ELEC39
TRODE ·········································································································································
Speaker：Mitsuru Yoshino（Kurashiki Central Hospital, Japan）

第70回日本不整脈心電学会学術大会

第１日目

O2-6

3

第 70 回日本不整脈心電学会学術大会

4

THE UTILITY OF STEERABLE SHEATH IN CRYOABLATION FOR TYPICAL ATRIOVENTRICULAR NODALREENTRANT TACHYCARDIA ·········································································································
40

O4-5

ELECTROPHYSIOLOGICAL ANALYSIS OF THE PIVOTING ACTIVATION IN THE TRIANGLE OF KOCH: IS
IT A SLOW PATHWAY CONDUCTION OR JUST A BYSTANDER ACTIVITY? ···································
40

Speaker：Masahiro Nakano（Chiba University Graduate School of Medicine, Japan）

Speaker：Shu Hirata（Nihon University, Japan）

Oral Presentation 5
AF balloon 1

11:00-12:10

Chair：Masato Yamaguchi（Fukui Prefectural Hospital, Japan）
Chair ：Kennosuke Yamashita（Sendai Kousei Hospital, Japan）
Discusser ：Kenji Enta（Hokuto Hospital, Japan）
Discusser ：Jun Sakai（Osaka Saiseikai Nakatsu Hospital, Japan）

O5-1

CRYOBALLOON ABLATION OF THE ATRIAL SEPTUM FOR BIATRIAL TACHYCARDIA REFRACTORY TO
RADIOFREQUENCY CATHETER ABLATION: A CASE REPORT ·······················································
41
Speaker：Takafumi Sasaki（Tokyo Metropolitan Hiroo Hospital, Japan）

O5-2

THE RELATION BETWEEN THE INTERRUPTION OF CRYOBALLOON ABLATION FOR ESOPHAGEAL TEMPERATURE OR CMAP DOWN AND THE RECURRENCE OF ATRIAL FIBRILLATION ·························
42
Speaker：Kotoko Kawaguchi（Yokohama Rosai Hospital, Japan）

O5-3

ABLATION OUTCOMES FOR OBESE PATIENTS WITH PAROXYSMAL ATRIAL FIBRILLATION: COMPARISON OF CRYOABLATION AND RADIOFREQUENCY ABLATION ······················································
42
Speaker：Kentaro Nakata（Japanese Red Cross Saitama Hospital, Japan）

O5-4

LASER BALLOON ABLATION CAN PRODUCE MEASURABLE LESIONS BY PASSING THROUGH ADIPOSE
TISSUE ·········································································································································
43

O5-5

CRYOABLATION FOR PAROXYSMAL ATRIAL FIBRILLATION IN THE POLAR SMART STUDY WITH NEWLYAVAILABLE BALLOON CATHETERS IN JAPANESE AND KOREAN CENTERS ··································
43

O5-6

GOOD CRYOABLATION RESULTS FOR PERSISTENT ATRIAL FIBRILLATION WITHOUT SEVERE LEFTATRIAL ENLARGEMENT ················································································································
44

Speaker：Kosuke Fujibayashi（Kanazawa Medical University, Japan）

Speaker：Junichi Nitta（Sakakibara Heart Institute, Japan）

Speaker：Naoya Hironobe（Hiroshima Prefectural Hospital, Japan）

第 5 会場  ANA クラウンプラザホテル金沢 3F 鳳（中）Oral Presentation 6
Case Series

8:30-9:30

Chair：Norikazu Watanabe（Kanto Rosai Hospital, Japan）
Chair ：Kimitake Imamura（Kobe University Graduate School of Medicine, Japan）
Discusser ：Yuhei Kasai（Sapporo Cardio Vascular Clinic, Japan）
Discusser ：Haruka Matsuura（National Cerebral and Cardiovascular Center, Japan）

O6-1

THE IMPACT OF NON-SELECTIVE LEFT BUNDLE BRANCH PACING WITH ANODAL CAPTURE IN PATIENTWITH COMPLETE ATRIO-VENTRICULAR BLOCK ··········································································
45
Speaker：Naoyuki Miwa（Tsuchiura Kyodo General Hospital, Japan）

O6-2

A RARE CASE OF ANAMORELIN-INDUCED WIDE QRS TACHYCARDIA ··········································

46

Speaker：Riko Murakami（JA Toride Medical Center, Japan）

O6-3

SEVERE BRADYCARDIA AND CONDUCTION DISTURBANCE IN A CASE OF PILSICAINIDE INTOXICATION······················································································································································
46
Speaker：Takuya Matsumoto（The Jikei University of Medicine, Japan）

O6-4

A CASE OF VISUALIZING TWO ACCESSORY PATHWAYS OF WOLFF-PARKINSON-WHITE SYNDROME
47
WITH MULTIPLE TACHYCARDIA CIRCUITS UTILIZING THE 3D-MAPPING SYSTEM ·······················O6-5

A CASE OF RECURRENCE OF HOSPITAL ADMISSIONS FOR GASTRIC DYSMOTILITY FOLLOWING47
CRYOABLATION USING POLARx FIT FOR PAROXYSMAL ATRIAL FIBRILLATION ···························

Speaker：Katsuhiko Tsutsumi（Yokohama City University Medical Center, Japan）

Speaker：Shotaro Hiramatsu（Gifu Prefectural Tajimi Hospital, Japan）

第70回日本不整脈心電学会学術大会

第１日目

O4-4

第 70 回日本不整脈心電学会学術大会

5

第１日目

第 6 会場  ホテル日航金沢 3F 孔雀の間 A

Oral Presentation 7
Supraventricular Tachyarrhythmias

9:50-10:50

Chair：Tetsuya Haruna（Medical Research Institute Kitano Hospital, Japan）
Chair ：Tsuyoshi Mishima（NHO Osaka National Hospital, Japan）
Discusser ：Yuichiro Miyazaki（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Koji Yasumoto（Osaka Rosai Hospital, Japan）

O7-1

EVALUATION OF PACING RATE-DEPENDENT CHANGE OF LEFT ATRIAL REGIONAL AMPLITUDE AND
CONDUCTION PROPERTIES USING ULTRAHIGH-RESOLUTION MAPPING SYSTEM ·······················
48
Speaker：Takayuki Sekihara（Osaka University Graduate School of Medicine, Japan）

O7-2

CONVENTIONAL ELECTRODE CATHETER PLACEMENT CAN MISS CRUCIAL ATYPICAL ATRIOVENTRIC49
ULAR NODAL REENTRANT TACHYCARDIA (AVNRT) CIRCUIT DETAILS ········································
Speaker：Mihoko Kawabata（AOI Universal Hospital, Japan）

O7-3

SEGMENTAL ANALYSIS OF PREDICTIVE VALUE OF LEFT ATRIAL EPICARDIAL ADIPOSE TISSUE AFTER
49
CATHETER ABLATION FOR ATRIAL FIBRILLATION ·······································································
Speaker：Shinichi Tachibana（Japanese Red Cross Saitama Hospital, Japan）

O7-4

THE IMPACT OF ATRIOVENTRICULAR CONDUCTION PROPERTIES ON MAPPING THE PIVOT PATTERN
IN THE KOCH’S TRIANGLE: A NOVEL APPROACH WITH HIGH-RATE PACING ·······························
50
Speaker：Soichiro Maeda（Nagoya Ekisaikai Hospital, Japan）

O7-5

DOES PREOPERATIVE ELECTRICAL CARDIO VERSION PREDICT SUCCESSFUL CATHETER ABLATION IN
THE PATIENTS WITH LONG-STANDING PERSISTENT ATRIAL FIBRILLATION? ······························
50
Speaker：Taiji Okada（Nippon Medical School, Japan）

第 7 会場  ホテル日航金沢 3F 孔雀の間 C

Oral Presentation 8
Bradycardias 2

14:10-15:20

Chair：Fumiharu Miura（Kawasaki Saiwai Hospital Heart Center, Japan）
Chair ：Hiroshi Kawakami（Ehime University Hospital, Japan）
Discusser ：Kohei Sawasaki（Hamamatsu Medical Center, Japan）
Discusser ：Junji Morita（Sapporo Cardio Vascular Clinic, Japan）

O8-1

CLINICAL UTILITY AND LONG-TERM OUTCOMES OF RIGHT ATRIAL SEPTAL PACING USING SelectSecure
SYSTEM ·······································································································································
51

O8-2

SUCCESS RATE OF LEFT BUNDLE BRANCH AREA PACING IN PATIENTS WITH AMYLOIDOSIS······················································································································································

Speaker：Takeshi Sasaki（NHO National Disaster Medical Center, Japan）

52

Speaker：Takuo Tsurugi（Saiseikai Kumamoto Hospital, Japan）

O8-3

THE RIGHT VENTRICULAR LEAD THRESHOLD FOR LEFT BUNDLE BRUNCH AREA PACING REMAINEDSTABLE DURING THE LONG-TERM FOLLOW-UP ··········································································
52
Speaker：Masako Asami（Saiseikai Yokohamashi Tobu Hospital, Japan）

O8-4

COMPARISON OF THE STIMULUS TO LEFT VENTRICULAR ACTIVATION TIME BETWEEN PROXIMAL
53
AND DISTAL LEFT BUNDLE BRANCH PACING ··············································································
Speaker：Ayaka Keshi（Nara Medical University, Japan）

O8-5

LONG-TERM PERFORMANCE OF LEADLESS PACEMAKERS: A SINGLE CENTER EXPERIENCE······················································································································································

53

Speaker：Akira Horigome（Yokohama City University Hospital, Japan）

O8-6

COMPARISON OF THE CLINICAL COURSE AND DISCONTINUATION FACTORS OF FOLLOW-UP FOR HISBUNDLE PACING AND LEFT BUNDLE BRANCH AREA PACING PATIENTS IN MID-TERM TO LONG-TERM
54
FOLLOW-UP ·································································································································
Speaker：Daisuke Yoshimoto（Toyohashi Heart Center, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

6

第１日目

第 9 会場  ホテル金沢 2F ダイヤモンド A

Oral Presentation 9
Heart Failure 1

8:30-9:40

Chair：Takeshi Shirayama（Omihachiman Community Medical Center, Japan）
Chair ：Kazuo Sakamoto（Kyushu University Hospital, Japan）
Discusser ：Makoto Nakano（Tohoku University, Japan）
Discusser ：Junichi Kamoshida（Tokyo Medical University Hospital, Japan）

O9-1

THE CHANGE OF THIRD HEART SOUND LEVELS BEFORE AND AFTER HEART FAILURE TREATMENT
IN HEARTLOGIC ALGORITHM ·······································································································
55
Speaker：Shuichi Miyagawa（Yokohama City University Hospital, Japan）

O9-2

THERAPEUTIC OUTCOMES OF CARDIAC RESYNCHRONIZATION THERAPY(CRT) AND MITRA CLIP(MC)IN PATIENTS WITH REDUCED EJECTION FRACTION, WIDE QRS COMPLEX, AND MODERATE OR SEVERE56
MITRAL REGURGITATION(MR) ·····································································································
Speaker：Daiki Kumazawa（Sendai Kousei Hospital, Japan）

O9-3

CHARACTERISTICS OF PATIENTS WITH CARDIAC RESYNCHRONIZATION THERAPY IN WHICH REMOTE
MONITORING AFFECTS PROGNOSIS ····························································································
56
Speaker：Takahiro Komori（Jichi Medical University, Japan）

O9-4

COMPARISON OF LEFT BUNDLE BRANCH BLOCK /NON- LEFT BUNDLE BRANCH BLOCK PROGNOSISBY AGE GROUP ····························································································································
57
Speaker：Ayako Yokota（Jichi Medical University, Japan）

O9-5

TREATMENT AND PROGNOSIS OF DEVICE-RELATED INFECTIONS IN PATIENTS WITH CARDIAC RESYNCHRONIZATION THERAPY-DEPENDENT HEART FAILURE ····························································
57

O9-6

ANALYSIS OF THE DIAGNOSTIC ACCURACY OF HEARTLOGIC AND OPTIVOL INDEXES IN EARLY DETECTION OF HEART FAILURE EVENTS ························································································
58

Speaker：Shigetoshi Sakabe（Japanese Red Cross Ise Hospital, Japan）

Speaker：Junya Matsuura（Saiseikai Kumamoto Hospital, Japan）

Oral Presentation 10
Case Device 1

14:10-15:20

Chair：Tadakatsu Yamada（Ehime Prefectural Central Hospital, Japan）
Chair ：Mitsuaki Ito（Hyogo Prefectural Harima-Himeji General Medical Center, Japan）
Discusser ：Shunsuke Kawai（Fukuoka Red Cross Hospital, Japan）
Discusser ：Kohei Ukita（Osaka Rosai Hospital, Japan）

O10-1

BAIL OUT CASE REPORT BY REPEATING CUT EVOLUTION SHEATH STUCK IN ADHESION······················································································································································

59

Speaker：Rie Akagawa（Niigata University Graduate School of Medical and Dental Sciences, Japan）

O10-2

THE FIRST REPORT OF EXTRACTION OF SUBCUTANEOUS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LEAD WITH THE LONGEST LEAD: DWELLING TIME IN JAPAN -8 YEARS ··························
60
Speaker：Satoko Ryuzaki（Chiba University School of Medicine, Japan）

O10-3

UNLIKE CONVENTIONAL METHODS, EXTRACTION OF A Micra LEADLESS PACEMAKER CAN BE PERFORMED THEORETICALLY AND SAFELY BY GRASPING THE TINES ·············································
60
Speaker：Masataka Narita（Saitama Medical University International Medical Center, Japan）

O10-4

SUBCUTANEOUS IMPLANTABLE CARDIOVERTER-DEFIBRILLATOR IMPLANTATION IN A HEREDITARY
DYSTONIA PATIENT WITH BILATERAL PECTORAL DEEP BRAIN STIMULATORS ··························
61
Speaker：Shousei Osako（Kagoshima University Graduate School of Medical and Dental Sciences, Japan）

O10-5

A CASE OF DILATED CARDIOMYOPATHY WITH ELECTRICAL STORM REFRACTORY TO ANTIARRHYTHMICS, CATHETER ABLATION, AND STELLATE GANGLION PHOTOTHERAPY, FINALLY CONTROLLED BY
STELLATE GANGLIONECTOMY ·····································································································
61
Speaker：Phuong Nguyen（Kyorin University Hospital, Japan/Tam Duc Heart Hospital, Vietnam）

O10-6

CLINICAL RELEVANCE OF CHRONIC MYOCARDIAL ISCHEMIA IN HIGH-GRADE ANTRIOVENTRICULARBLOCK ·········································································································································
62
Speaker：Takuji Kitazawa（Tokai University, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

7

16:40-17:50

Chair：Takeshi Ueyama（Yamaguchi Prefectural Grand Medical Center, Japan）
Chair ：Koji Fukuzawa（Kobe University Graduate School of Medicine, Japan）
Discusser ：Kensuke Ihara（Tokyo Medical and Dental University, Japan）
Discusser ：Kohei Iwasa（Sakurabashi Watanabe Advanced Healthcare Hospital, Japan）

O11-1

GASTRIC HYPOMOTILITY AFTER ADJUNCTIVE PULMONARY VEIN AND POSTERIOR WALL ISOLATIONUSING CRYOBALLOON IN PATIENTS WITH ATRIAL FIBRILLATION: CASE CONTROL STUDY······················································································································································
63
Speaker：Shun Kikuchi（Ogaki Tokushukai Hospital, Japan）

O11-2

IMPACT OF GLOBAL LONGITUDINAL STRAIN FOR PREDICTING CARDIOVASCULAR MORTALITY IN ANE64
MIC PATIENTS HOSPITALIZED FOR ACUTE HEART FAILURE WITH ATRIAL FIBRILLATION ·············
Speaker：Jumpei Yamamoto（National Center for Global Health and Medicine, Japan/Toho University Ohashi
Medical Center, Japan）

O11-3

IS THERE ANY APPROPRIATE PENETRATION DEPTHS IN LEFT BUNDLE BRANCH AREA PACING?
······················································································································································
64

O11-4

EVALUATION OF MICROEMBOLIC SIGNALS ON CAROTID ULTRASOUND DURING PULMONARY VEIN
ISOLATION WITH A HIGH-POWER SHORT-DURATION AND CRYOBALLOON ABLATION ···············
65

O11-5

LONG-TERM OUTCOMES OF NON-OBSTRUCTIVE VERSUS OBSTRUCTIVE HYPERTROPHIC CARDIOMYOPATHY: IMPLICATIONS FOR RISK STRATIFICATION AND MANAGEMENT FROM THE REVEAL-HCM
REGISTRY ·····································································································································
65

O11-6

CARDIAC PRESYNAPTIC FUNCTION EVALUATED BY CARDIAC PET IN PATIENTS WITH CHRONOTROPICINCOMPETENCE ···························································································································
66

Speaker：Michinori Hirano（International University Health and Welfare Hospital, Japan）

Speaker：Yoshiaki Mizutani（Yokkaichi Municipal Hospital, Japan）

Speaker：Akihisa Kimura（The Sakakibara Heart Institute of Okayama, Japan）

Speaker：Toshihiko Goto（Nagoya City University Graduate School of Medical Sciences, Japan）

第 10 会場  ホテル金沢 2F ダイヤモンド B

Oral Presentation 12
Arrhythmia Syndromes (Brugada, LQT, ER, etc) 1

8:30-9:30

Chair：Yasuya Inden（Nagoya University Graduate School of Medicine, Japan）
Chair ：Miyako Igarashi（University of Tsukuba, Japan）
Discusser ：Akira Fukui（Oita University, Japan）
Discusser ：Satoshi Oka（National Cerebral and Cardiovascular Center, Japan）

O12-1

CAN OPTIMAL MEDICAL THERAPIES ALONE PREVENT LIFE-THREATENING CARDIAC EVENTS CAUSEDBY THE CATECHOLAMINERGIC POLYMORPHIC VENTRICULAR TACHYCARDIA ? ·························
67

O12-2

GENDER DIFFERENCE IN PEAK PERIODS OF CORRECTED QT INTERVAL DURING CHILDREN AND ADOLESCENTS ····································································································································
68

Speaker：Hiroko Goto（Nagoya Tokushukai General Hospital, Japan）

Speaker：Hiroshi Suzuki（Niigata University Medical and Dental Hospital, Japan）

O12-3

A CASE OF LONG QT SYNDROME ASSOCIATED WITH PROPIONIC ACIDEMIA ·····························

68

Speaker：Kumiyo Matsuo（Osaka Women s and Children s Hospital, Japan）

O12-4

A CASE OF BRUGADA SYNDROME IN WHICH THE LATE ANNOTATION MAPPING MODULE HELPED TOREVEAL THE ARRHYTHMOGENIC SUBSTRATE ············································································
69
Speaker：Yuki Shibuya（Osaka Police Hospital, Japan）

O12-5

APPROPRIATE IMPLANTABLE CARDIOVERTER DEFIBRILLATOR SHOCKS 17 YEARS AFTER IMPLANTATION IN A PATIENT WITH BRUGADA ECG PATIENT WITH TRIPLE EXTRA-STIMULI-INDUCED VENTRIC69
ULAR FIBRILLATION ·····················································································································
Speaker：Minoru Tagawa（Nagaoka Chuo General Hospital, Japan）

第70回日本不整脈心電学会学術大会

第１日目

Oral Presentation 11
Clinical Studies 1

第 70 回日本不整脈心電学会学術大会

8

第１日目

第 11 会場  ホテル金沢 2F ダイヤモンド C

Oral Presentation 13
組織・生理・その他

8:30-9:30

Chair：Takeshi Soeki（Tokushima University Graduate School of Biomedical Sciences, Japan）
Chair ：Kazuaki Kaitani（Otsu Red Cross Hospital, Japan）
Discusser ：Tomoyuki Kabutoya（Jichi Medical University, japan）
Discusser ：Hisanori Kanazawa（Kumamoto University Hospital, Japan）

O13-1

RELATIONSHIP BETWEEN SECRETOMES FROM HUMAN EPICARDIAL ADIPOCYTES AND ATRIAL LYMPHATICS ·······································································································································
70
Speaker：Masaki Takahashi（Oita University, Japan）

O13-2

INFLAMMATION AND ADIPOCYTE SIZE OF EPICARDIAL ADIPOSE TISSUE ARE ASSOCIATED WITH
POSTOPERATIVE ATRIAL FIBRILLATION IN PATIENTS UNDERGOING CARDIOVASCULAR SURGERY······················································································································································
71

O13-3

IN VIVO TISSUE TEMPERATURE COMPARISON IN HIGH-POWER SHORT-DURATION ABLATION: TactiCath
SE VS. TactiFlex SE CATHETER: A PORCINE STUDY ······································································
71

Speaker：Hiroyuki Natsui（Hokkaido University Hospital, Japan）

Speaker：Masanaru Sawada（Nihon University, Japan）

O13-4

REVERSIBLE PULSED FIELD ABLATION OF THE ATRIOVENTRICULAR NODE IN RABBITS ·············

72

Speaker：Ryota Yamauchi（Nagoya University Hospital, Japan）

O13-5

EFFICACY AND SAFETY OF BIPOLAR RADIOFREQUENCY ABLATION: ROLE OF CATHETER SELECTION
WITH AND WITHOUT USING TWO IRRIGATION CATHETERS ·······················································
72
Speaker：Takumi Kasai（Niigata University, Japan）

Oral Presentation 14
薬物治療

15:30-16:50

Chair：Yasuko Tanabe（Asahikawa Medical University, Japan）
Chair ：Takeshi Tobiume（Kawashima Hospital, Japan）
Discusser ：Daisuke Yakabe（NHO Kyushu Medical Center, Japan）
Discusser ：Shinichi Harada（Mie University Hospital, Japan）

O14-1

WHEN SHOULD BEPRIDIL CONCOMITANT WITH CATHETER ABLATION FOR PERSISTENT ATRIAL FIBRILLATION BE DISCONTINUED? : THE IMPORTANCE OF LEFT ATRIAL REVERSE REMODELING······················································································································································
73
Speaker：Yuki Hasegawa（Niigata University Graduate School of Medical and Dental Sciences, Japan）

O14-2

EFFICACY OF INTRAVENOUS NIFEKALANT ON ATRIAL ARRHYTHMIAS IN PATIENTS WITH ACUTE
HEART FAILURE ···························································································································
74
Speaker：Asami Kashiwa（Niigata City General Hospital, Japan）

O14-3

INCIDENCE AND CLINICAL OUTCOME OF INTERSTITIAL PNEUMONIA ASSOCIATED WITH BEPRIDIL······················································································································································
74

O14-4

IS OFF-LABEL LOW-DOSE DIRECT ORAL ANTICOAGULANTS EVIL FOR JAPANESE ATRIAL FIBRILLATIONPATIENTS?: A META-ANALYSIS OF JAPANESE TRIALS ·································································
75

O14-5

THE CLINICAL CHARACTERISTICS OF THE FATAL INTERSTITIAL PNEUMONIA ASSOCIATED WITH AMIO75DARONE ·······································································································································

O14-6

DOAC SCORE PREDICTS BLEEDING IN PATIENTS WITH ATRIAL FIBRILLATION FOLLOWING TRAN76
SCATHETER AORTIC VALVE REPLACEMENT: FROM THE OCEAN-TAVI REGISTRY ························

Speaker：Hiroaki Hirayama（Nippon Medical School Hospital, Japan）

Speaker：Akinori Sairaku（NHO Higashihiroshima Medical Center, Japan）

Speaker：Makoto Kobayashi（Nippon Medical School, Japan）

Speaker：Yoshihiro Harano（Gifu Heart Center, Japan/University of Tsukuba, Japan）

O14-7

ONE-YEAR OUTCOME OF JAPANESE PATIENTS WITH ATRIAL FIBRILLATION: INSIGHTS FROM APHRS76
AF REGISTRY ·······························································································································
Speaker：Kenji Yodogawa（Nippon Medical School, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

9

16:50-18:00

Chair：Masatsugu Ohe（Kurume University, Japan）
Chair ：Shingo Maeda（Tohoku Medical and Parmaceutical University, Japan）
Discusser ：Kaoru Takami（Kita-Harima Medical Center, Japan）
Discusser ：Yosuke Hayashi（Sakakibara Heart Institute, japan）

O15-1

PEAK FREQUENCY MAPS PREDICT THE OPTIMAL ABLATION SITES OF THE LEFT ATRIAL POSTERIORWALL ISOLATION ·························································································································
78
Speaker：Shintaro Yamagami（Tenri Hospital, Japan）

O15-2

IMPACT OF DIRECTION OF ACTIVATION AND PREMATURE ATRIAL STIMULATION ON THE FRACTIONATED SIGNAL AREA IN THE ATRIAL MUSCLE ···············································································
79
Speaker：Hideko Toyama（Fukuoka Sanno Hospital, Japan）

O15-3

A NOVEL APPROACH FROM THE PULMONARY ARTERY FOR EPICARDIAL MAPPING IN THE LEFT79
ATRIAL ROOF ·······························································································································
Speaker：Shu Yamashita（NHO Disaster Medical Center, Japan）

O15-4

DURABILITY OF PULMONARY VEIN ISOLATION AND RISK FACTORS FOR PULMONARY VEIN RECONNECTION DURING ABLATION OF PAROXYSMAL ATRIAL FIBRILLATION: COMPARISON BETWEEN HIGHPOWER SHORT-DURATION AND CRYOBALLOON ABLATION ·······················································
80
Speaker：Yukihiro Inamura（Japanese Red Cross Saitama Hospital, Japan）

O15-5

EPICARDIAL CONNECTION FOLLOWING SUCCESSFUL RADIOFREQUENCY MITRAL ISTHMUS ABLATION······················································································································································
80
Speaker：Naohiko Kawaguchi（Yokosuka Kyosai Hospital, Japan）

O15-6

PERIODONTAL INFLAMED SURFACE AREA IS A NOVEL HALLMARK OF ATRIAL FIBRILLATION RECURRENCE: A PROSPECTIVE OBSERVATIONAL STUDY ······································································
81
Speaker：Shunsuke Miyauchi（Hiroshima University Graduate School of Biomedical and Health Sciences, Japan）

第70回日本不整脈心電学会学術大会

第１日目

Oral Presentation 15
AF 3

第 70 回日本不整脈心電学会学術大会

10

7 月 19 日（金）第２日目Oral Presentation 16
Tachycardias

第２日目

第 1 会場  石川県立音楽堂 2F コンサートホール

14:00-15:10

Chair：Takahiro Saeki（NHO Kanazawa Medical Center, Japan）
Chair ：Akio Kuroi（Wakayama Medical University, Japan）
Discusser ：Yuichiro Sagawa（Japan Red Cross Yokohama City Bay Hospital, Japan）
Discusser ：Tomoya Ogawa（National Cerebral and Cardiovascular Center, Japan）

O16-1

MACHINE LEARNING-BASED CLUSTERING USING 12-LEAD ELECTROCARDIOGRAM IN IMPLANTABLE
CARDIOVERTER-DEFIBRILLATOR PATIENTS TO IDENTIFY FUTURE VENTRICULAR ARRHYTHMIA······················································································································································
82
Speaker：Ryo Tateishi（Yokohama Minami Kyosai Hospital, Japan）

O16-2

IMPACT OF RIGHT VENTRICULAR SYSTOLIC FUNCTION ON CARDIAC RESYNCHRONIZATION THERAPYOUTCOME ····································································································································
83
Speaker：Toshinori Chiba（Chiba University Graduate School of Medicine, Japan）

O16-3

LOW POWER DEFIBRILLATION THRESHOLD TEST FOR S-ICD IMPLANTATION ····························

83

Speaker：Yuki Takai（Showa University, Japan）

O16-4

CHANGING IN THE SHOCK IMPEDANCE UNDERGOING GENERATOR REPLACEMENT IN PATIENTS WITH
THE SUBCUTANEOUS IMPLANTABLE CARDIOVERTER-DEFIBRILLATOR ·······································
84
Speaker：Yuji Ishida（Hirosaki University, Japan）

O16-5

CHARACTERISTICS AND PREDICTORS FOR HIGH SUCCESS RATE OF ANTITACHYCARDIA PACING FOR
VENTRICULAR TACHYCARDIA TERMINATION IN ICD RECIPIENTS ···············································
84
Speaker：Satoshi Yanagisawa（Nagoya University Graduate School of Medicine, Japan）

O16-6

THE EFFICACY OF INTRINSIC ANTITACHYCARDIA PACING ··························································

85

Speaker：Koumei Onuki（Kokura Memorial Hospital, Japan）

第 2 会場  石川県立音楽堂 2F 邦楽ホール

Oral Presentation 17
AF 4

9:40-10:50

Chair：Kikuya Uno（Tokyo Heart Rhythm Hospital, Japan）
Chair ：Masaya Watanabe（Hokko Memorial Hospital, Japan）
Discusser ：Yuhi Fujimoto（Nippon Medical School, Japan）
Discusser ：Yoshitake Oshima（Gifu Prefectural General Medical Center, Japan）

O17-1

SPATIAL RESOLUTION AND REPRODUCIBILITY OF ATRIAL PACE MAPPING BASED ON DUAL CHAMBERINTRACARDIAC ELECTROGRAMS ·································································································
86

O17-2

OUTCOMES OF EARLY CATHETER ABLATION IN PATIENTS WITH DECOMPENSATED HEART FAILURE
AND ATRIAL FIBRILLATION: A PROGNOSTIC ANALYSIS ·······························································
87

O17-3

SEVERITY CHANGE OF VALVULAR HEART DISEASE AND RELATED FACTORS IN PATIENTS UNDERWENTCATHETER ABLATION FOR ATRIAL FIBRILLATION/FLUTTER ·······················································
88

Speaker：Kennosuke Yamashita（Sendai Kousei Hospital, Japan）

Speaker：Arihide Okahara（Fukuoka Red Cross Hospital, Japan）

Speaker：Hideki Koike（Toho University, Japan）

O17-4

CLINICAL SIGNIFICANCE OF UNIPOLAR/BIPOLAR VOLTAGE DISCREPANCY AFTER PULMONARY VEIN
88
ISOLATION ···································································································································
Speaker：Takuya Tomomori（Tottori University Hospital, Japan）

O17-5

AGE-SPECIFIC DIFFERENCE IN IMPACT OF INTERVAL BETWEEN DIAGNOSIS OF ATRIAL FIBRILLATION
89
AND INITIAL ABLATION ON RECURRENCE AFTER PULMONARY VEIN ISOLATION ·······················
Speaker：Tomonori Watanabe（Jichi Medical University, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

O17-6

11

CLINICAL RELEVANCE OF THE LEFT ATRIAL STRUCTURAL REMODELING TO NON-PULMONARY VEIN
FOCI IN ATRIAL FIBRILLATION ·····································································································
89
Speaker：Atsuhiko Yagishita（Tokai University, Japan）

14:00-15:10

Chair：Norishige Morita（Tokai University Hachioji Hospital, Japan）
Chair ：Seiichiro Matsuo（Kyorin University, Japan）
Discusser ：Keita Sano（Yamanashi Prefectural Central Hospital, Japan）
Discusser ：Nobuhiro Nakamura（National Cerebral and Cardiovascular Center Hospital, Japan）

O18-1

ASSOCIATION BETWEEN INTRAOPERATIVE LEFT ATRIAL PRESSURE AND CLINICAL OUTCOMES OFABLATION FOR ATRIAL FIBRILLATION IN PATIENTS WITH HYPERTROPHIC CARDIOMYOPATHY······················································································································································
90

O18-2

EFFICACY AND LIMITATION OF NON-PAROXYSMAL ATRIAL FIBRILLATION ABLATION IN HEART FAIL91
URE WITH PRESERVED EJECTION FRACTION PATIENTS ·····························································

O18-3

HIGH-POWER, SHORT-DURATION ABLATION COMBINING DUAL POWER LEVELS OF 50 AND 70 W IN
SUPERIOR VENA CAVA ISOLATION ·······························································································
91

Speaker：Daiki Yamashita（Mie University Hospital, Japan）

Speaker：Akira Fukui（Oita University, Japan）

Speaker：Toshio Makita（Tokyo Heart Rhythm Clinic, Japan）

O18-4

THE CLINICAL SIGNIFICANCE OF VERY EARLY RHYTHM CONTROL BY CATHETER ABLATION IN PATIENTS WITH DEVICE-DETECTED ATRIAL FIBRILLATION ····························································
92
Speaker：Yasunori Kanzaki（Ogaki Municipal Hospital, Japan）

O18-5

FILTERED IMPEDANCE DROP ESTIMATES CONDUCTION GAP OF PULMONARY VEIN ISOLATION IN
ATRIAL FIBRILLATION PATIENTS ··································································································
92
Speaker：Masahide Harada（Fujita Health University, Japan）

O18-6

THE RISK FACTOR OF ATRIAL ARRHYTHMIA RECURRENCE AFTER DRIVER-GUIDED ABLATION FORATRIAL FIBRILLATION USING RHYTHMIA MAPPING SYSTEM ·······················································
93
Speaker：Yosuke Murase（Komaki City Hospital, Japan）

第 3 会場  石川県立音楽堂 B1F 交流ホール

Oral Presentation 19
Case Device 2

8:30-9:30

Chair：Katsuhito Yamamoto（Kochi Health Sciences Center, Japan）
Chair ：Mariko Tanaka（JCHO Kobe Central Hospital, Japan）
Discusser ：Hiroshi Hayashi（Nippon Medical School, Japan）
Discusser ：Takashi Ikee（National Cerebral and Cardiovascular Center, Japan）

O19-1

EFFICACY OF RIGHT HEART CATHETERIZATION WITH DDD PACING IN PATIENT WITH REMARKABLEFIRST DEGREE ATRIOVENTRICULAR BLOCK: A CASE REPORT ····················································
94

O19-2

A CASE OF FAILED LEFT VENTRICULAR LEAD IMPLANTATION DUE TO CORONARY SINUS OSTIALATRESIA ·······································································································································
95

O19-3

A CASE OF LEADLESS PACEMAKER RETRIEVAL FOR INCESSANT TORSADES DE POINTES AFTER IMPLANTATION ································································································································
95

O19-4

CONTRALATERAL PNEUMOTHORAX RESULTING FROM AN ENDOCARDIAL SCREW-IN ATRIAL LEAD IN
A LEFT SIDED CRT DEVICE IMPLANTATION ················································································
96

Speaker：Masahiro Kawasaki（Hokkaido University Graduate School of Medicine, Japan）

Speaker：Minako Kagimoto（Saiseikai Yokohamashi Nanbu Hospital, Japan）

Speaker：Shuhei Yano（Keio University,Japan）

Speaker：Kensuke Kikuchi（NHO Yokohama Medical Center, Japan）

第70回日本不整脈心電学会学術大会

第２日目

Oral Presentation 18
AF 5

第 70 回日本不整脈心電学会学術大会

12

Oral Presentation 20
Case AF を含む上室性, または先天性心疾患合併の不整脈

16:30-17:40

O20-1

TWO QRS MORPHOLOGIES DURING VENTRICULAR TACHYCARDIA ASSOCIATED WITH VENTRICULARSEPTUM PATCH SUCCESSFULLY ABLATED AT A CRITICAL ISTHMUS IN PATIENT FOLLOWING TETRALOGY OF FALLOT REPAIR ··············································································································
97
Speaker：Dai Asada（Osaka Women s and Children s Hospital, Japan）

O20-2

SUCCESSFUL ATRIAL TACHYCARDIA ABLATION FROM PULMONARY OUTFLOW TRACT IN A PATIENT
98
OF SITUS-INVERSUS TYPE CORRECTED TRANSPOSITION OF GREAT ARTERIES ·························
Speaker：Ayaka Yoshihara（Amagasaki General Medical Center, Japan）

O20-3

ADENOSINE SENSITIVE ATRIAL TACHYCARDIA AT INFERO-LATERAL TRICUSPID VALVE AREA······················································································································································

98

Speaker：Hirohiko Suzuki（Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital, Japan）

O20-4

COMPLETE ATRIOVENTRICULAR BLOCK AS A COMPLICATION OF CRYOCATHETER ABLATION FOR A
SEPTAL ACCESSORY PATHWAY IN A 1-YEAR-OLD BOY WITH MULTIPLE VENTRICULAR SEPTAL DEFECT······················································································································································
99
Speaker：Yoko Yoshida（Osaka City General Hospital, Japan）

O20-5

CHARACTERISTICS OF RECENT UPPER LOOP REENTRY IN THE RIGHT ATRIUM ························

99

Speaker：Yukiko Shimizu（Hyogo Prefectural Amagasaki General Medical Center, Japan）

O20-6

ATRIAL TACHYCARDIA IN PULMONARY HYPERTENSION IS MORE LIKELY TO ARISE FROM THE RIGHTATRIUM ········································································································································ 100
Speaker：Tsukasa Watanabe（Kyusyu University, Japan）

第 4 会場  ANA クラウンプラザホテル金沢 3F 鳳（西）Oral Presentation 21
Clinical Studies 2

14:00-15:10

Chair：Yukio Sekiguchi（Sakakibara Heart Institute, Japan）
Chair ：Naoyuki Miwa（Tsuchiura Kyodo General Hospital, Japan）
Discusser ：Motomi Tachibana（The Sakakibara Heart Institute of Okayama, Japan）
Discusser ：Satoshi Oka（National Cerebral and Cardiovascular Center, Japan）

O21-1

LEFT SEPTAL FASCICLE BLOCK IN ACUTE CORONARY SYNDROME: CLINICAL PRESENTATION AND
PROGNOSTIC IMPLICATIONS ········································································································ 101

O21-2

ELECTROCARDIOGRAPHIC MEASURES FOR IDENTIFYING STAGES OF HYPERTROPHIC CARDIOMYOPATHY ·············································································································································· 102

Speaker：Yuko Matsui（Tokyo Women’s Medical University, Japan/NHO Yokohama Medical Center, Japan）

Speaker：Naomi Hirota（The Cardiovascular Institute Hospital, Japan）

O21-3

PULMONARY VEIN INTERVENTION FOR SEVERE PULMONARY VEIN STENOSIS AFTER ATRIAL FIBRILLATION ABLATION ······················································································································· 103
Speaker：Tomonori Katsuki（Kokura Memorial Hospital, Japan）

O21-4

A RELATIONSHIP BETWEEN ATRIAL HIGH-RATE EPISODES (AHRE) AND CLINICALLY DOCUMENTEDATRIAL FIBRILLATION ·················································································································· 103
Speaker：Yoshihiro Sobue（Fujita Health University Bantane Hospital, Japan）

O21-5

SERUM VASOACTIVE INTESTINAL PEPTIDE AND LOW-VOLTAGE AREAS IN PATIENTS WITH ATRIALFIBRILLATION ······························································································································· 104
Speaker：Kotaro Nishino（Hokkaido University, Japan）

O21-6

GENOME WIDE ASSOCIATION STUDY FOR RECURRENCE OF ATRIAL FIBRILLATION IN JAPANESE POPULATIONS ···································································································································· 104
Speaker：Takumi Sakai（Hiroshima University Graduate School of Biomedical and Health Sciences, Japan）

第70回日本不整脈心電学会学術大会

第２日目

Chair：Yoshihito Hata（Tokyo Kamata Hospital, Japan）
Chair ：Jun Yoshimoto（Shizuoka Children’s Hospital, Japan）
Discusser ：Shigeru Tateno（Chiba Kaihin Municipal Hospital, Japan）
Discusser ：Hiroko Goto（Nagoya Tokushukai General Hospital, Japan）

第 70 回日本不整脈心電学会学術大会

13

第 5 会場  ANA クラウンプラザホテル金沢 3F 鳳（中）Oral Presentation 22
AF Cohort study

8:30-9:40
第２日目

Chair：Satoru Sakagami（NHO Kanazawa Medical Center, Japan）
Chair ：Satoshi Shizuta（Kyoto University, Japan）
Discusser ：Masaya Shinohara（Toho University, Japan）

O22-1

A COMBINED GENETIC AND CLINICAL RISK SCORES FOR THE PREVALENCE OF ATRIAL FIBRILLATION
AND SEX DIFFERENCES ··············································································································· 105

O22-2

ASSESSING THE EFFECTIVENESS OF THE DOAC SCORE IN JAPANESE PATIENTS WITH ATRIAL FIBRILLATION: A FOCUS ON BLEEDING RISKS AND PATIENT PERCEPTION ··········································· 106

O22-3

CARBOHYDRATE INTAKE AND ATRIAL FIBRILLATION RISK IN A JAPANESE URBAN POPULATION: A
PROSPECTIVE COHORT STUDY ··································································································· 106

Speaker：Sayuri Tokioka（Tohoku University, Japan/Tohoku University Graduate School of Medicine, Japan）

Speaker：Takahiko Nishiyama（Keio University, Japan）

Speaker：Paramita Khairan（National Cerebral and Cardiovascular Cener, Japan）

O22-4

PREVALENCE OF ATRIAL FIBRILLATION WITH LONG-TERM CONTINUOUS HOLTER ECG RECORDING
AMONG URBAN RESIDENTS: FINDINGS FROM THE SUITA STUDY NEXT ····································· 107
Speaker：Paramita Khairan（National Cerebral and Cardiovascular Cener, Japan）

O22-5

F-WAVE VECTOR MAGNITUDE AND LEFT ATRIAL DIAMETER PREDICT RECURRENCE AFTER CATHETERABLATION OF ATRIAL FIBRILLATION ··························································································· 107
Speaker：Misaki Naka（Mitsubishi Kyoto Hospital, Japan）

O22-6

APPROPRIATE TIMING OF CATHETER ABLATION FOR VENTRICULAR TACHYCARDIA WITH EMERGENCY HOSPITALIZATION: JROAD-DPC DATABASE ANALYSIS ····················································· 108
Speaker：Mai Ishiwata（National Cerebral and Cardiovascular Cener, Japan）

Oral Presentation 23
Heart Failure 2

14:00-15:10

Chair：Michio Ogano（NHO Shizuoka Medical Center, Japan）
Chair ：Takafumi Oka（Osaka University Graduate School of Medicine, Japan）
Discusser ：Ikuko Togashi（Kyorin University, Japan）
Discusser ：Kengo Korai（Kokura Memorial Hospital, Japan）

O23-1

CLINICAL OUTCOME OF LEFT BUNDLE BRANCH AREA PACING IN PATIENTS WITH BRADYCARDIA······················································································································································ 109

O23-2

SINGLECENTER EXPERIENCE WITH TRANSVENOUS LEAD EXTRACTION OF QUADRIPOLAR ACTIVEFIXATION CORONARY SINUS LEAD ······························································································ 110

O23-3

USEFULNESS OF ATTAIN STABILITY QUAD LEAD FOR CARDIAC RESYNCHRONIZATION THERAPY······················································································································································ 110

O23-4

NARROW PACED QRS IS THE INDEPENDENT NEGATIVE PREDICTOR OF HEART FAILURE HOSPITALIZATION: IMPLICATION OF RIGHT VENTRICULAR SEPTAL PACING ·············································· 111

Speaker：Ko Akimoto（Shin-yurigaoka General Hospital, Japan）

Speaker：Takehiro Nomura（Sendai Kousei Hospital, Japan）

Speaker：Kazuyuki Yamanaka（Komaki City Hospital, Japan）

Speaker：Yuichiro Miyazaki（National Cerebral and Cardiovascular Cener, Japan）

O23-5

A CASE OF TETRALOGY OF FALLOT IN WHICH A 3D SHEATH WAS USEFUL FOR CRT-D SYSTEM IMPLANTATION ································································································································ 111
Speaker：Tomoko Takahashi（Tokushima University, Japan）

Ｏ 23-6

CLINICAL ANALYSIS OF 7 CASES OF LEFT BUNDLE BRANCH-OPTIMIZED CARDIAC RESYNCHRONIZATION THERAPY ···························································································································· 112
Speaker：Yasumasa Nohno（Saku Central Hospital Advanced Care Center, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

14

第 6 会場  ホテル日航金沢 3F 孔雀の間 A

Oral Presentation 24
VT

8:30-9:50
第２日目

Chair：Tatsuya Hayashi（Jichi Medical University Saitama Medical Center, Japan）
Chair ：Masato Fukunaga（Kokura Memorial Hospital, Japan）
Discusser ：Naoaki Hashimoto（Yamagata University, Japan）
Discusser ：Misun Pak（Koseikai Takeda Hospital, Japan）

O24-1

ELECTROGRAM WAVEFORM CLUSTERING OF SUBSTRATE MAP IS A POTENTIAL USEFUL METHOD FOR
IDENTIFICATION OF CRITICAL VENTRICULAR TACHYCARDIA ISTHMUSES ·································· 113
Speaker：Yuka Seki（Sakakibara Heart Institute, Japan）

O24-2

DECIPHERING LATE POTENTIAL TRAITS IN DECELERATION ZONES THROUGH OMNIPOLAR TECHNOLOGIES ···································································································································· 114
Speaker：Takahisa Koi（Toyama University, Japan）

O24-3

LONG-TERM OUTCOME AFTER VT SUBSTRATE ABLATION AND ITS IMPACT ON PRIMARY AND SECONDARY PREVENTION ICD INDICATION IN PATIENTS WITH REPAIRED TETRALOGY OF FALLOT······················································································································································ 114
Speaker：Yoshitaka Kimura（Department of Cardiology, Leiden University Medical Center, The Netherlands/Willem Einthoven Center of Arrhythmia Research and Management, Leiden University Medical Center,
The Netherlands/Center for Congenital Heart Disease Amsterdam-Leiden (CAHAL), Leiden University Medical
Center,The Netherlands）

O24-4

THREE-DEMENTIONAL IMAGING BY USING INHEART MODELS FOR DETECTING CONDUCTION BLOCKZONES AS AN ABLATION TARGET SITE OF VENTRICULAR TACHYCARDIA ASSOCIATED WITH STRUCTURAL HEART DISEASE ··············································································································· 115

O24-5

THE USEFULNESS OF DELAYED-ENHANCED COMPUTED TOMOGRAPHY FOR IDENTIFYING THE SUBSTRATE OF VENTRICULAR TACHYCARDIA ··················································································· 115

O24-6

UTILITY OF FUNCTIONAL SUBSTRATE MAPPING WITH PEAK FREQUENCY ANNOTATION IN SCARRELATED VT ································································································································ 116

O24-7

ABLATION MODE AND EXCITABILITY PRESERVED MYOCARDIUM AROUND THE DURABLE LESION:
COLOR-CHANGE-BASIS ASSESSMENT VS. PACING UNCAPTURED MYOCARDIUM ························ 116

Speaker：Masato Hachisuka（Nippon Medical School,Japan）

Speaker：Takayuki Goto（Nagoya University Graduate School of Medicine, Japan）

Speaker：Yasuaki Tsumagari（Miyazaki Medical Association Hospital, Japan）

Speaker：Osamu Saitoh（Niigata University, Japan）

Oral Presentation 25
Basic, Genetic and Pathophysiology

10:00-11:00

Chair：Seiko Ohno（National Cerebral and Cardiovascular Center, Japan）
Chair ：Takeru Makiyama（Kyoto University, Japan）
Discusser ：Tadashi Nakajima（Gumma University, Japan）
Discusser ：Hiroshige Murata（Nippon Medical School, Japan）

O25-1

THE CARDIAC TRPM4 CHANNEL: NEW INSIGHTS ABOUT ITS PHARMACOLOGY ·························

117

Speaker：Hugues Abriel（University of Bern, Switzerland）

O25-2

CHARACTERIZATION OF A NOVEL SLC4A3 VARIANT IDENTIFIED IN A SHORT QT SYNDROME FAMILYBY ZEBRAFISH MODELS ··············································································································· 118

O25-3

EFFECTIVENESS OF MEDICAL THERAPY IN PATIENTS WITH SYMPTOMATIC BRUGADA SYNDROME······················································································································································ 118

O25-4

SYMPATHETIC NEUROTRANSMITTER ALTERATION IN ISCHEMIC HEART FAILURE MODEL: IMPLICATIONS FOR VENTRICULAR ARRHYTHMOGENESIS ········································································ 119

O25-5

INTEGRATIVE TRANSCRIPTOMIC AND HISTOLOGICAL ANALYSIS IN DILATED CARDIOMYOPATHY REVEALS FGFR INHIBITION AS A POTENTIAL THERAPY FOR CARDIAC FIBROSIS ··························· 119

Speaker：Ming Zhu（National Cerebral and Cardiovascular Cener, Japan）

Speaker：Tetsuji Shinohara（Oita University, Japan）

Speaker：Jiro Koya（Hokkaido University Graduate School of Medicine, Japan）

Speaker：Reo Hata（Kyoto University Hospital, Japan/Center of iPS Cell Research and Application, Kyoto
University, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

15

Oral Presentation 26
Clinical Studies 3

16:30-17:40

O26-1

IMPEDANCE RISE AFTER ONE SCREW ROTATION PREDICTS ACCEPTABLE CAPTURE THRESHOLD IN
LEADLESS PACEMAKER Aveir™ VR IMPLANTS ············································································· 120
Speaker：Ryusuke Ota（JCHO Chukyo Hospital, Japan）

O26-2

THE IMPACT OF PREOPERATIVE MALNUTRITION ON PATIENTS WITH PACEMAKER IMPLANTATION······················································································································································ 121
Speaker：Koji Yasumoto（Osaka Rosai Hospital, Japan）

O26-3

WHICH IS MORE SUITABLE FOR PREDICTING THE OPTIMAL LEFT ATRIAL APPENDAGE CLOSURE DEVICE SIZE, TRADITIONAL MAXIMUM DIAMETER OR PERIMETER DERIVED DIAMETER? ············· 121
Speaker：Satoko Ryuzaki（Chiba University Graduate School of Medicine, Japan）

O26-4

COMPUTED TOMOGRAPHIC PREDICTORS FOR ELECTROGRAM AMPLITUDE IN SUBCUTANEOUS IMPLANTABLE CARDIOVERTER-DEFIBRILLATORS ··········································································· 122

O26-5

WHAT IS A PREDICTOR OF INCREASING THE CAPTURE THRESHOLD IN LEFT BUNDLE BRANCH AREA
PACING FROM OUR INITIAL EXPERIENCE? ··················································································· 122

O26-6

PROGNOSTIC IMPACT OF DERIVED NEUTROPHIL TO LYMPHOCYTE RATIO IN PATIENTS WITH ADHF
REGARDLESS OF ATRIAL FIBRILLATION ······················································································· 123

Speaker：Hiroshi Hasegawa（Gunma University Graduate School of Medicine, Japan）

Speaker：Junichi Doi（Tsuchiura Kyodo General Hospital, Japan）

Speaker：Takumi Kondo（Osaka General Medical Center, Japan）

第 9 会場  ホテル金沢 2F ダイヤモンド A

Oral Presentation 27
Arrhythmia Syndromes (Brugada, LQT, ER, etc) 2

8:30-9:40

Chair：Hiroshi Morita（Okayama University, Japan）
Chair ：Yoshiyasu Aizawa（Nippon Medical School Hospital, Japan）
Discusser ：Keiko Sonoda（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Soichiro Yamashita（Hyogo Prefectural Awaji Medical Center, Japan）

O27-1

CIRCADIAN CHANGES IN CORRECTED QT INTERVAL IN CHILDREN WITH LONG QT SYNDROME AND
HEALTHY VOLUNTEERS ··············································································································· 124
Speaker：Masao Yoshinaga（NHO Kagoshima Medical Center, Japan/Orange Medical and Welfare Center）

O27-2

DIVERSE PHENOTYPIC MANIFESTATIONS IN A FAMILY WITH A NOVEL RYR2 E4107A VARIANT······················································································································································

125

Speaker：Tadashi Nakajima（Gunma University Graduate School of Medicine,Japan）

O27-3

GENETIC TESTING IN EARLY-ONSET ATRIAL FIBRILLATION WITHOUT ACQUIRED RISK FACTORS······················································································································································ 125
Speaker：Ayana Sasaki（Kanazawa University, Japan）

O27-4

THE ARRHYTHMOGENIC SUBSTRATE OF J-WAVE SYNDROME: INSIGHTS FROM THE ORIGIN OF TRIGGERED PREMATURE VENTRICULAR CONTRACTIONS ·································································· 126
Speaker：Naoya Kataoka（University of Toyama, Japan）

O27-5

ARE GENETIC TESTS OTHER THAN CONGENITAL LONG QT SYNDROME TYPE1-3 MEANINGFUL?
······················································································································································ 126

O27-6

CHANGE IN TPEAK TO TEND INTERVAL TO QT INTERVAL RATIO WITH ISOPROTERENOL INFUSION IN
PATIENTS WITHOUT ORGANIC HEART DISEASE ·········································································· 127

Speaker：Sho Okamura（Hiroshima University Hospital, Japan）

Speaker：Shota Saito（Hokkaido University Hospital, Japan）

第70回日本不整脈心電学会学術大会

第２日目

Chair：Takashi Yamada（Takaishi- Fujii Hospital, Japan）
Chair ：Nobuhiro Nishii（Okayama University Graduate School of Medicine, Japan）
Discusser ：Satoshi Yanagisawa（Nagoya University Graduate School of Medicine, Japan）
Discusser ：Kentaro Goto（Tokyo Medical and Dental University Hospital, japan）

第 70 回日本不整脈心電学会学術大会

16

Oral Presentation 28
AF 6

15:20-16:30

O28-1

REAL-WORLD IMPACT OF VISIBLE STEERABLE SHEATHS ON 3-DIMENSIONAL MAP FOR PAROXYSMALATRIAL FIBRILLATION CATHETER ABLATION: THE INSIGHT STUDY ············································ 128
Speaker：Yasuo Okumura（Nihon University, Japan）

O28-2

COMPARISON OF LOW BODY WEIGHT AND OUTCOMES AFTER AF ABLATION: FROM THE TRANQUILIZE AF ·········································································································································· 129
Speaker：Yumiko Nakanishi（NHO Kyoto Medical Center, Japan）

O28-3

NONINVASIVE-VISUALIZATION OF THE ESOPHAGUS BY INTRACARDIAC ECHOCARDIOGRAPHY (ICE)IN 3D-MAPPING SYSTEM: UTILITY AND SAFETY OF ICE ESOPHAGUS-GUIDED HIGH-POWER SHORTDURATION ABLATION ·················································································································· 129
Speaker：Koji Sudo（University of Yamanashi, Japan）

O28-4

IMPACT OF INTERVAL BETWEEN DIAGNOSIS OF ATRIAL FIBRILLATION AND INITIAL ABLATION ON
NEED FOR ADDITIONAL ABLATION BEYOND PULMONARY VEIN ISOLATION ······························ 130
Speaker：Takafumi Okuyama（Jichi Medical University, Japan）

O28-5

COMPARISON OF HEMOSTASIS AND COMPLICATION BETWEEN NOVEL VENOUS CLOSURE SYSTEMS(VASCADE MVP) AND CONVENTIONAL FIGURE-OF-EIGHT SUTURE AFTER CARDIAC CATHETER ABLATION ············································································································································ 130
Speaker：Maki Ono（Kameda Medical Center, Japan）

O28-6

UTILITY OF FIB-4 IN PREDICTING RECURRENCE OF ATRIAL FIBRILLATION CATHETER ABLATION IN
PATIENTS WITH HEART FAILURE ································································································· 131
Speaker：Kyoko Koyama（Yamagata University, Japan）

第70回日本不整脈心電学会学術大会

第２日目

Chair：Yasutoshi Nagata（Japanese Red Cross Musashino Hospital, Japan）
Chair ：Keijiro Nakamura（Toho Ohashi Medical Center, Japan）
Discusser ：Mamoru Hayano（Kansai Electric Power Hospital, Japan）
Discusser ：Junichi Ooka（Kobe City Medical Center General Hospital, Japan）

第 70 回日本不整脈心電学会学術大会

17

7 月 20 日（土）第３日目
第 3 会場  石川県立音楽堂 B1F 交流ホール

Oral Presentation 29
先天性心疾患15:50-17:00
第３日目

Chair：Yoshiaki Kato（National Cerebral and Cardiovascular Center, Japan）
Chair ：Hitoshi Mori（Saitama Medical University International Medical Center, Japan）
Discusser ：Yu Matsumura（Sakakibara Heart Institute, Japan）
Discusser ：Mai Ishiwata（The University of Tokyo Hospital, Japan）

O29-1

PROGNOSIS OF A CATHETER ABLATION IN PATIENTS WITH AN ATRIOVENTRICULAR REENTRANTTACHYCARDIA INVOLVING TWIN ATRIOVENTRICULAR NODES ···················································· 132

O29-2

DOSE LEFT ATRIAL DECELERATION ZONE INSIDE LEFT ATRIAL LOW VOLTAGE AREA PREDICT THE
INCIDENCE OF LEFT ATRIAL FLUTTER? ······················································································· 133

O29-3

TACHYARRHYTHMIAS IN PATIENTS WITH CONGENITALLY CORRECTED TRANSPOSITION OF GREATARTERIES AND RESULTS OF RADIOFREQUENCY CATHETER ABLATION ······································ 133

O29-4

EFFICACY OF THE COMBINATION THERAPY WITH CARDIAC RESYNCHRONIZATION THERAPY ANDFANTASTIC FOUR IN A PATIENT WITH DOUBLE OUTLET VENTRICLE AFTER FONTAN OPERATION······················································································································································ 134

O29-5

CHARACTERISTICS OF CARDIAC IMPLANTABLE ELECTRIC DEVICE IN ADULT PATIENTS WITH REPAIRED TETRALOGY OF FALLOT ································································································· 134

O29-6

ROTATION OF THE HEART IS ASSOCIATED TO THE DIFFICULTY OF CAVOTRICUSPID ISTHMUS
CRYOABLATION ··························································································································· 135

Speaker：Keiko Toyohara（Tokyo Women s Medical University, Japan）

Speaker：Kei Hirota（Oita University, Japan）

Speaker：Taisuke Nabeshima（Saitama Medical University International Medical Center, Japan）

Speaker：Takuya Fujisaki（Osaka Women s and Children s Hospital）

Speaker：Tabito Kino（University of Tsukuba, Japan）

Speaker：Minoru Nodera（Fukushima Medical University, Japan）

第 4 会場  ANA クラウンプラザホテル金沢 3F 鳳（西）Oral Presentation 30
AF balloon 2

8:30-9:40

Chair：Toshihiro Nakamura（NHO Kyushu Medical Center）
Chair ：Yosuke Nakatani（Gumma University, Japan）
Discusser ：Akinori Sato（Tachikawa General Hospital, Japan）
Discusser ：Tomoya Ogawa（National Cerebral and Cardiovascular Center, Japan）

O30-1

CLINICAL OUTCOME OF NOVEL CRYOBALLOON SYSTEMS IN LEFT ATRIAL ROOF LINE ABLATION FOR
NON-PAROXYSMAL ATRIAL FIBRILLATION WITH ENLARGED LEFT ATRIUM ································ 136
Speaker：Atsuhito Oda（Minato Red Cross Hospital, Japan）

O30-2

CLINICAL OUTCOMES OF CRYOBALLOON ABLATION FOR ATRIAL FIBRILLATION IN PATIENTS WITH
HYPERTROPHIC CARDIOMYOPATHY ··························································································· 137
Speaker：Kosuke Aoki（Sendai City Hospital, Japan）

O30-3

MID-TERM OUTCOMES: LASER BALLOON ABLATION VS. CRYOBALLOON IN ATRIAL FIBRILLATION······················································································································································ 137
Speaker：Soichiro Tanaka（Chikamori Hospital, Japan）

O30-4

CHANGES IN TOTAL- AND LEFT ATRIAL-EPICARDIAL ADIPOSE TISSUE VOLUME BETWEEN PRE- AND
POST-TREATMENT OF ATRIAL FIBRILLATION WITH A CRYOBALLOON ······································· 138
Speaker：Kazuki Shimojo（Ogaki Municipal Hospital, Japan）

O30-5

THE DIFFERENCE OF EFFICACY DEPENDING ON LEFT ATRIAL DIMENSION IN CRYOBALLOON ABLATION FOR PAROXYSMAL ATRIAL FIBRILLATION ·········································································· 138
Speaker：Kaoru Takami（Kita-Harima Medical Center, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

O30-6

18

CRYOBALLOON ABLATION FOR ATRIAL FIBRILLATION ORIGINATING FROM THE RIGHT ATRIUM······················································································································································ 139
Speaker：Yasuteru Yamauchi（Japan Redcross Yokohama City Bay Hospital, Japan）

Oral Presentation 31
AF 7

14:00-15:00

O31-1

INTEGRATING NOVEL IMAGING SOFTWARE FOR ASSESSING LEFT ATRIAL WALL THICKNESS TO OPTIMIZE ABLATION STRATEGIES ······································································································ 140
Speaker：Ryuta Watanabe（Nihon University Itabashi Hospital, Japan）

O31-2

IMPACT OF ABLATION ON EXERCISE TOLERANCE AND QUALITY OF LIFE IN PERSISTENT ATRIALFIBRILLATION ······························································································································· 141
Speaker：Tomoki Fujisawa（Ehime University Graduate School of Medicine, Japan）

O31-3

THE RELATIONSHIP BETWEEN MATCHING SCORES AND CORRESPONDING AREA IN NOVEL ATRIAL
PACE-MAPPING TECHNIQUE USING THE INTRACARDIAC PATTERN-MATCHING SOFTWARE······················································································································································ 141
Speaker：Yuichiro Sagawa（Japan Red Cross Yokohama City Bay Hospital, Japan）

O31-4

演題は取り下げられました ················································································································

142

O31-5

演題は取り下げられました ················································································································

142

Oral Presentation 32
AF 8

15:00-16:00

Chair：Yasuhiro Yokoyama（Yamato Tokushukai Hospital, Japan）
Chair ：Masahide Harada（Fujita Health University, Japan）
Discusser ：Tomoya Eguchi（Gyoda General Hospital, Japan）
Discusser ：Yukio Hosaka（Niigata City General Hospital, Japan）

O32-1

CATHETER ABLATION VERSUS BEPRIDIL FOR PREVENTING PROGRESSION TO PERSISTENT ATRIALFIBRILLATION: A 10-YEAR FOLLOW-UP ························································································ 143

O32-2

IMPACT OF SGLT-2 INHIBITORS ON LEFT ATRIAL PRESSURE AND CATHETER ABLATION OUTCOMES
IN PERSISTENT ATRIAL FIBRILLATION PATIENTS WITH HEART FAILURE ···································· 144

O32-3

CLINICAL EFFICACY OF SODIUM-GLUCOSE COTRANSPORTER 2 INHIBITORS AFTER ATRIAL FIBRILLATION ABLATION IN PATIENTS WITH HEART FAILURE ·································································· 144

Speaker：Koji Goto（Gunma Prefectural Cardiovascular Center, Japan）

Speaker：Masahide Harada（Fujita Health University, Japan）

Speaker：Takashi Okajima（Anjo Kosei HospitalAnjoJapan）

O32-4

THE BIDIRECTIONAL EVALUATION OF THE FUNCTIONAL CONDUCTION BLOCK IN SUPERIOR VENACAVA ············································································································································ 145
Speaker：Ruiko Yoshida（Toho University Sakura Medical Center, Japan）

O32-5

CLINICAL OUTCOME OF CATHETER ABLATION FOR PAROXYSMAL ATRIAL FIBRILLATION IN VERY ELDERLY PATIENTS: A PROPENSITY SCORE-MATCHED ANALYSIS ·················································· 145
Speaker：Hiroaki Ohya（Japanese Red Cross Saitama Hospital, Japan）

Oral Presentation 33
AF balloon 3

16:00-17:00

Chair：Yasuteru Yamauchi（Japan Redcross Yokohama City Bay Hospital, Japan）
Chair ：Takeshi Kato（Kanazawa University Hospital, Japan）
Discusser ：Yui Kitami（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Masahiro Nakano（Chiba University Graduate School of Medicine, Japan）

第70回日本不整脈心電学会学術大会

第３日目

Chair：Koichiro Ejima（Minamino Cardiovascular Hospital, Japan）
Chair ：Tetsuma Kawaji（Mitsubishi Kyoto Hospital, Japan）
Discusser ：Takeshi Harita（Tazuke Kofukai Medical Research Institute Kitano Hospital, Japan）
Discusser ：Takuya Nishimura（National Cerebral and Cardiovascular Center, Japan）

第 70 回日本不整脈心電学会学術大会

O33-1

19

INCIDENCE OF PHRENIC NERVE INJURY DURING PULMONARY VEIN ISOLATION USING DIFFERENTCRYOBALLOONS: DATA FROM A LARGE PROSPECTIVE ABLATION REGISTRY ···························· 146
Speaker：Shinichi Tachibana（Japanese Red Cross Saitama Hospital, Japan）

O33-2

LONG-TERM OUTCOMES OF RADIOFREQUENCY AND CRYOBALLOON ABLATION USING PROPENSITYSCORE ANALYSIS AND RISK FACTORS FOR ATRIAL ARRHYTHMIA RECURRENCE ························ 147

O33-3

RISK FACTORS FOR LEFT ATRIAL CALCIFICATION FOLLOWING ATRIAL FIBRILLATION ABLATION:
WHICH HAS A NEGATIVE IMPACT, RADIOFREQUENCY OR CRYOBALLOON? ································ 148

O33-4

COMPARISON OF LEFT ATRIAL POSTERIOR WALL ISOLATION AREAS BETWEEN CRYOBALLOON SYSTEMS ··········································································································································· 148

O33-5

THE EFFICACY OF LASER BALLOON SYSTEMS FOR ATRIAL FIBRILLATION ·································

Speaker：Masayo Minegishi（Saitama Red Cross Hospital, Japan）

Speaker：Yusuke Hayashi（University of Tsukuba, Japan）

149

Speaker：Seigo Yamashita（The Jikei University School of Medicine, Japan）

第 5 会場  ANA クラウンプラザホテル金沢 3F 鳳（中）Oral Presentation 34
AF 9

11:00-12:10

Chair：Shingen Owada（Iwate Medical University, Japan）
Chair ：Kentaro Hayashi（Ageo Central General Hospital, Japan）
Discusser ：Hiroyuki Kono（Kokuta Memorial Hospital, Japan）
Discusser ：Yasutaka Oguchi（Shinshu University, Japan）

O34-1

REAL-WORLD ECONOMIC IMPACT OF IMPROVED EFFICIENCY OF TactiFlex SE ABLATION CATHETERCOMPARED TO TactiCath SE IN THE TREATMENT OF PAROXYSMAL ATRIAL FIBRILLATION IN ASIAPACIFIC ········································································································································ 150
Speaker：Takanori Yamaguchi（Saga University Hospital, Japan）

O34-2

CAN WE MODIFY THE POWER SETTING OF VERY-HIGH-POWER VERY-SHORT-DURATION RADIOFREQUENCY ABLATION AROUND THE ESOPHAGUS? ········································································· 151
Speaker：Yasuharu Matsunaga（Osaka Rosai Hospital, Japan）

O34-3

FEASIBILITY OF TRUE POSTERIOR WALL ISOLATION USING A NOVEL ABLATION CATHETER WITHFLEXIBLE LASER-CUT TIP DESIGN AND CONTACT FORCE SENSOR ············································· 151
Speaker：Masayuki Ishimura（Kimitsu Central Hospital, Japan）

O34-4

VISUALIZATION OF EPICARDIAL CONDUCTION IN PERI-MITRAL ATRIAL TACHYCARDIA USING A 3D
MAPPING SYSTEM ······················································································································· 152
Speaker：Munekazu Tanaka（Kyoto University Hospital, Japan）

O34-5

PLACEMENT OF THE CORONARY SINUS CATHETER VIA THE RIGHT CUBITAL VEIN DURING ATRIALFIBRILLATION ABLATION ············································································································· 152

O34-6

CLINICAL IMPACT OF LATE ATRIAL FIBRILLATION RECURRENCE AFTER ABLATION ON PREDICTING
HOSPITALIZATION FOR WORSENING HEART FAILURE IN PERSISTENT ATRIAL FIBRILLATION PATIENTS······················································································································································ 153

Speaker：Kohei Iwasa（Sakurabashi Watanabe Hospital, Japan）

Speaker：Mizuki Osuga（Osaka Rosai Hospital, Japan）

Oral Presentation 35
Clinical Studies 4

14:00-15:00

Chair：Kaoru Tanno（Showa University Koto-Toyosu Hospital, Japan）
Chair ：Yuji Kasamaki（Kanazawa Medical University Himi Municipal Hospital, Japan）
Discusser ：Kazuto Kujira（Hyogo Prefectural Amagasaki General Medical Center, Japan）
Discusser ：Hokuto Yamagishi（Japanese Red Cross Ise Hospital, Japan）

O35-1

PROGNOSTIC FACTORS FOR SUCCESS AT DISCHARGE AND ACUTE COMPLICATIONS IN IDIOPATHIC
PREMATURE VENTRICULAR CONTRACTION ABLATIONS IN JAPANESE PATIENTS: ANALYSIS FROM THE
J-AB REGISTRY ···························································································································· 154
Speaker：Kentaro Goto（Tokyo Medical and Dental University Hospital, Japan）

第70回日本不整脈心電学会学術大会

第３日目

Speaker：Tomofumi Nakamura（Nagoya Heart Center, Japan）

第 70 回日本不整脈心電学会学術大会

20

O35-2

COMPUTER SIMULATION OF LOW-POWER AND LONG-DURATION BIPOLAR RADIOFREQUENCYABLATION UNDER VARIOUS BASELINE IMPEDANCES ··········································································· 155

O35-3

SUBACUTE CHANGES IN THE INCREASE OF MYOCARDIAL ECHOGENICITY OBSERVED BY INTRACARDIAC ECHOCARDIOGRAPHY AFTER RADIOFREQUENCY ABLATION ············································· 156

Speaker：Keijiro Nakamura（Toho University Ohashi Medical Center, Japan）

Speaker：Takehiro Kogame（Hyogo Medical University, Japan）

O35-4

WHAT IS THE PEAK FREQUENCY? ·······························································································

156

Speaker：Masafumi Shimojo（Nagoya University Graduate School of Medicine, Japan）

O35-5

LOCATION OF A MITRAL ANNULUS HIS ·······················································································

157

Oral Presentation 36
Case VT/VF

第３日目

Speaker：Jun Sakai（Osaka Saiseikai Nakatsu Hospital, Japan）

15:00-16:00

Chair：Seiji Fukamizu（Tokyo Metropolitan Hiroo Hospital, Japan）
Chair ：Ryosuke Narui（Tokyo Shinagawa Hospital, Japan）
Discusser ：Shinya Yamada（Fukushima Medical University, Japan）
Discusser ：Shoko Chishaki（National Cerebral and Cardiovascular Center, Japan）

O36-1

A CASE OF IDIOPATHIC NON-SUSTAINED VENTRICULAR TACHYCARDIA ARISING FROM THE POSTERIOR PORTION OF THE MITRAL ANNULUS INTRAMURAL ORIGIN ··············································· 158
Speaker：Wako Suehiro（Yodogawa Christian Hospital, Japan）

O36-2

SUCCESSFUL CATHETER ABLATION FOR SUSTAINED VENTRICULAR TACHYCARDIA IN RIGHT VENTRICULAR INFARCTION AFTER SURGERY FOR GIANT RIGHT CORONARY ARTERY ANEURYSM: A CASEREPORT ······································································································································· 159

O36-3

A CASE IN WHICH THE ELECTROGRAM RECORDED IN AN AUTOMATED EXTERNAL DEFIBRILLATORDEVICE AFTER DEFIBRILLATION PROVIDE A CLUE TO THE CAUSE OF VENTRICULAR FIBRILLATION······················································································································································ 159

O36-4

A CASE OF IMPROVED PULMONARY HYPERTENSION FOLLOWING CATHETER ABLATION IN THE RIGHTVENTRICULAR OUTFLOW TRACT FOR FREQUENT PREMATURE VENTRICULAR CONTRACTIONS······················································································································································ 160

Speaker：Ken Watanabe（Yamagata Prefectural Central Hospital, Japan）

Speaker：Tomomi Tanaka（Takatsuki General Hospital, Japan）

Speaker：Jumpei Ohashi（Jichi Medical University Saitama Medical Center, Japan）

O36-5

A CASE IN WHICH PROGRESSIVE CARDIAC CONDUCTION DEFECTS (PCCD) WAS CONSIDERED······················································································································································

160

Speaker：Yoshiyuki Kamiyama（Ohta Nishinouchi Hospital, Japan）

Oral Presentation 37
AF 10

16:00-17:00

Chair：Asumi Takei（Nagasaki University Hospital, Japan）
Chair ：Hisaharu Ohe（University of Occupational and Enviromental Health, Japan）
Discusser ：Ryo Wada（Toho University, Japan）
Discusser ：Daiki Shako（Kyoto Prefectural University of Medicine, Japan）

O37-1

EXPLORING THE LINK BETWEEN HANDGRIP STRENGTH AND CLINICAL FEATURE IN PATIENTS WITHATRIAL FIBRILLATION ·················································································································· 161
Speaker：Shunsuke Kuroda（Juntendo University Graduate School of Medicine, Japan）

O37-2

EFFECTIVENESS OF PULMONARY VEIN ISOLATION USING EMPHASIS MAPS ·······························

162

Speaker：Hiroyuki Satake（Osaki Citizen Hospital, Japan）

O37-3

COMPARISON OF HIGH-POWER SHORT DURATION ABLATION WITH MODERATE-POWER ABLATIONWITH ATRIAL FIBRILLATION ········································································································ 162
Speaker：Koji Goto（Gunma Prefectural Cardiovascular Center, Japan）

O37-4

EFFICACY AND SAFETY OF SAIREITO (TJ-114) IN PATIENTS WITH ATRIAL FIBRILLATION UNDERGOINGCATHETER ABLATION PROCEDURES: A RANDOMIZED PILOT STUDY ········································· 163
Speaker：Tetsuma Kawaji（Mitsubishi Kyoto Hospital, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

O37-5

21

STOPPING RESPIRATION AT END-EXPIRATION DURING 90 W-4 SECONDS APPLICATIONS WITH
SHORTER INTER-TAG DISTANCE FOR PULMONARY VEIN ISOLATION ·········································· 163
Speaker：Masaru Inoue（NHO Kanazawa Medical Center, Japan）

第 6 会場  ホテル日航金沢 3F 孔雀の間 A

Oral Presentation 38
PVC study

8:30-9:30

O38-1

第３日目

Chair：Mitsuharu Kawamura（Makita General Hospital, Japan）
Chair ：Akiko Ueda（Kyorin University, japan）
Discusser ：Junya Hosoda（Yokohama City University Hospital, Japan）
Discusser ：Haruka Matsuura（National Cerebral and Cardiovascular Center, Japan）

ANALYSIS OF SPATIAL DISPLACEMENT ON 3D MAP CAUSED BY RHYTHM DIFFERENCES IN PVC ABLATION ············································································································································ 164
Speaker：Yusuke Sakamoto（Tosei General Hospital, Japan）

O38-2

THE CHARACTERISTICS OF THE OMNIPOLAR AND UNIPOLAR ELECTROGRAMS WITH PEAK FREQUENCY ANNOTATION ALGORITHM ASSOCIATED WITH SUCCESSFUL ABLATION OF PREMATURE VENTRICULAR CONTRACTIONS ·········································································································· 165

O38-3

THE EARLINESS OF LOCAL VENTRICULAR ACTIVATION IN THE DISTAL GREAT CARDIAC VEIN CANDISTINGUISH RIGHT-SIDED AND LEFT-SIDED OUTFLOW TRACT ARRHYTHMIAS: A SIMPLE AND QUICKDETERMINANT ···························································································································· 165

O38-4

HOW CAN BOTH PEAK FREQUENCY AND QS PATTERN OF UNIPOLAR ELECTROGRAMS BE PREDICTORSOF SUCCESSFUL ABLATION IN RIGHT OUTFLOW TRACT VENTRICULAR ARRHYTHMIAS? ············· 166

O38-5

ANATOMICAL VARIATION OF CORONARY VESSELS IN PATIENTS WITH VENTRICULAR TACHYCARDIA
ARISING FROM OUTFLOW TRACT ································································································ 166

Speaker：Miho Negishi（Tokyo Medical and Dental University, Japan）

Speaker：Machiko Miyoshi（University of Fukui Hospital, Japan）

Speaker：Hidenori Hirano（Tsuchiura Kyodo General Hospital, Japan）

Speaker：Takatsugu Kajiyama（Chiba University Graduate School of Medicine, Japan）

Oral Presentation 39
Complication

9:40-10:50

Chair：Hiroyuki Osanai（Tosei General Hospital, japan）
Chair ：Koyo Sato（Nagoya Heart Center, Japan）
Discusser ：Osamu Wakisaka（NHO Beppu Medical Center, Japan）
Discusser ：Takahisa Koi（University of Toyama, Japan）

O39-1

A PREDICTOR OF COMPLICATIONS ASSOCIATED WITH THE USE OF PERCLOSE SUTURE-MEDIATED
VASCULAR CLOSURE DEVICE FOR VENOUS ACCESS SITES ·························································· 167
Speaker：Misun Pak（Koseikai Takeda Hospital, Japan）

O39-2

FEASIBILITY AND EFFICACY OF REAL-TIME ULTRASOUND-GUIDED VENOUS CLOSURE WITH SUTUREMEDIATED VASCULAR CLOSURE DEVICE ····················································································· 168
Speaker：Masaya Tachi（Nagoya University Graduate School of Medicine, Japan/Nakatsugawa Municipal Hospital,
Japan）

O39-3

COMPARATIVE STUDY OF HEMOSTASIS DEVICES AFTER ARRHYTHMIA CATHETER ABLATION TREATMENT: PERCLOSE VS. VASCADE ·································································································· 168

O39-4

MANAGEMENT STRATEGIES TO PREVENT ISCHEMIC STROKE AFTER LEFT ATRIAL APPENDAGE CLOSURE IN PATIENTS WITH MALIGNANT LEFT ATRIAL APPENDAGE ··············································· 169

Speaker：Mitsuru Yoshino（Kurashiki Central Hospital, Japan）

Speaker：Ryuki Chatani（Kurashiki Central Hospital, Japan）

O39-5

ASSOCIATION OF PREPROCEDURAL THROMBOEMBOLIC OR BLEEDING EVENTS UNDER ORAL ANTICOAGULATION THERAPY AND MID-TERM OUTCOMES AFTER PERCUTANEOUS LEFT ATRIAL APPENDAGE
CLOSURE ······································································································································ 169
Speaker：Hironobu Sumiyoshi（Kurashiki Central Hospital, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

O39-6

22

SAFETY AND EFFICACY OF PERCUTANEOUS ATRIAL APPENDAGE CLOSURE: SINGLE-CENTER EXPERIENCE WITH A WATCHMAN DEVICE ······························································································ 170
Speaker：Shinji Ishikawa（Anjo Kosei Hospital, Japan）

Oral Presentation 40
Ventricular Tachyarrhythmias & SCD

15:30-16:40

O40-1

CHARACTERISTICS AND PROGNOSIS OF PATIENTS WITH IMPLANTABLE CARDIOVERTER DEFIBRILLATOR FOR SECONDARY PREVENTION OF OUT-OF-HOSPITAL CARDIAC ARREST DUE TO VASOSPASTIC
ANGINA ········································································································································ 171

O40-2

HOLTER-BASED QT DISPERSION COULD BE USEFUL IN ASSESSING MORTALITY OF PATIENTS WITH
COVID-19 PNEUMONIA ················································································································· 172

O40-3

ARE DIFFERENT INTERCOSTAL ELECTROCARDIOGRAMS USEFUL FOR ORIGIN DIFFERENTIATION OF
OUTFLOW TRACT PVCs? ············································································································· 172

Speaker：Eiichiro Oka（Nippon Medical School Musashikosugi Hospital, Japan）

Speaker：Motohiro Kimata（National Defense Medical College, Japan）

Speaker：Shogo Miyamoto（Hiroshima University Hospital, Japan）

O40-4

PREVALENCE OF VENTRICULAR PARASYSTOLE: AN OVERLOOKED POSSIBLE CAUSE OF VENTRICULARFIBRILLATION IN THE PATIENT WITH CARDIAC SARCOIDOSIS ···················································· 173
Speaker：Takashi Ikee（National Cerebral and Cardiovascular Cener Hospital, Japan）

O40-5

EFFECTS OF SODIUM-GLUCOSE COTRANSPORTER 2 INHIBITORS ON OUTCOMES WITH THE IMPLANTABLE CARDIAC DEFIBRILLATOR AND CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR IMPLANTED PATIENTS ········································································································· 173
Speaker：Kei Hiramatsu（Nagoya University Hospital, Japan）

第 8 会場  金沢市アートホール 6F ホール

Oral Presentation 44
AF 11

9:00-10:20

Chair：Osamu Inaba（Japanese Red Cross Saitama Hospital, Japan）
Chair ：Atsushi Suzuki（Yodogawa Christian Hospital, Japan）
Discusser ：Yoshinari Enomoto（Center Hospital of the National Center for Global Health and Medicine, Japan）
Discusser ：Takeshi Kitamura（Ageo Central General Hospital, Japan）

O44-1

SIGNIFICANCE OF LEFT ATRIAL STRAIN ASSESSMENT USING CARDIAC COMPUTED TOMOGRAPHY FORRISK STRATIFICATION OF RECURRENCE AFTER ATRIAL FIBRILLATION ABLATION ····················· 174
Speaker：Hiroshi Kawakami（Ehime University Graduate School of Medicine, Japan）

O44-2

VEIN OF MARSHALL CHEMICAL ABLATION DECREASES ATRIAL FIBRILLATION DRIVERS DETECTED BYCARTOFINDER ····························································································································· 175
Speaker：Hideyuki Hasebe（Shizuoka Saiseikai General Hospital, Japan）

O44-3

THE IMPACT OF EXTENSIVE ABLATION STRATEGY FOR PERSISTENT ATRIAL FIBRILLATION ON LEFTATRIAL FUNCTION AND PROGNOSIS: INSIGHTS FROM EARNEST-PVI RANDOMIZED CONTROLLED
TRIAL ··········································································································································· 175
Speaker：Takafumi Oka（Osaka University Graduate School of Medicine, Japan）

O44-4

CHARACTERISTICS AND PROGNOSIS IN PATIENTS WITH STROKE AFTER ATRIAL FIBRILLATION ABLATION ············································································································································ 176
Speaker：Satoshi Kudo（Kansai Rosai Hospital, Japan）

O44-5

EFFECTIVENESS OF PVI LINE MODIFICATION USING MICROELECTRODES ON QDOT MICRO CATHETERIN PATIENTS WITH PAROXYSMAL ATRIAL FIBRILLATION ···························································· 176
Speaker：Yoshikazu Watanabe（Hiroshima City Hospital, Japan）

O44-6

A NOVEL ULTRA-HIGH-RESOLUTION ESOPHAGEAL THERMOMETER: COMPARATIVE ANALYSIS WITHCONVENTIONAL THERMOMETER IN AN EXPERIMENTAL MODEL ··············································· 177
Speaker：Yusuke Nakanishi（Kobe University Hospital, Japan）

第70回日本不整脈心電学会学術大会

第３日目

Chair：Yasuhiro Yoshiga（Yamaguchi University Graduate School of Medicine, Japan）
Chair ：Yasuyuki Egami（Osaka Rosai Hospital, Japan）
Discusser ：Shigeki Hiramatsu（Fukuyama Cardiovascular Hospital, Japan）
Discusser ：Saori Asada（Okayama University, Japan）

第 70 回日本不整脈心電学会学術大会

O44-7

23

QUANTITATIVE INVESTIGATION OF THE LESIONS CREATED BY ETHANOL INFUSION INTO THE VEIN
OF MARSHALL ······························································································································ 177
Speaker：Kaoru Okishige（Yokohama Minato Heart Clinic, Japan）

第 10 会場  ホテル金沢 2F ダイヤモンド B

Oral Presentation 45
AF balloon 4

15:30-16:40

O45-1

第３日目

Chair：Makoto Suzuki（Yokohama Mimani Kyosai Hospital, Japan）
Chair ：Mitsuru Wada（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Kentaro Minami（Dokkyo Medical University, Japan）
Discusser ：Yoshitake Oshima（Gifu Prefectural General Medical Center, Japan）

PROCEDURAL OUTCOME AND LESION CHARACTERISTICS AFTER CRYOBALLOON ABLATION FOR
PAROXYSMAL ATRIAL FIBRILLATION WITH POLARx OR ARCTIC FRONT ADVANCE PRO ············· 178
Speaker：Shuhei Yamashita（Keio University, Japan）

O45-2

CLINICAL OUTCOMES AFTER CRYOBALLOON-BASED ABLATION FOR NON-PAROXYSMAL ATRIAL FIBRILLATION: A PROPENSITY SCORE-MATCHED COMPARISON BETWEEN LEFT ATRIAL ROOF LINE ABLATION AND LEFT POSTERIOR WALL ISOLATION ········································································ 179

O45-3

COMPARISON OF MID-TERM CLINICAL OUTCOMES BETWEEN RADIOFREQUENCY ABLATION AND CRYOBALLOON ABLATION IN MIDDLE-AGE PAROXYSMAL ATRIAL FIBRILLATION MALE PATIENTS······················································································································································ 179

O45-4

COMPARISON OF EFFICACY AND SAFETY OF PRESSURE-GUIDED CRYOBALLOON ABLATION BETWEENNOVEL AND CONVENTIONAL SYSTEMS IN PATIENTS WITH PAROXYSMAL ATRIAL FIBRILLATION······················································································································································ 180

O45-5

EVALUATION OF THE PULMONARY VEIN ISOLATION AREA USING THREE BALLOON SYSTEMS (POLARx
FIT, Arctic Front Advance pro AND HeartLight X3) ··········································································· 180

Speaker：Yuichiro Sagawa（Japan Red Cross Yokohama City Bay Hospital, Japan）

Speaker：Shunsuke Kawai（Japanese Red Cross Fukuoka Hospital, Japan）

Speaker：Kikou Akiyoshi（Hiratsuka Kyosai Hospital, Japan）

Speaker：Yuki Shibuya（Osaka Police Hospital, Japan）

O45-6

LESION DURABILITY OF THE LEFT ATRIAL POSTERIOR WALL AFTER PULMONARY VEIN ISOLATION
PLUS LEFT ATRIAL ROOFLINE ABLATION USING CRYOBALLOON ················································ 181
Speaker：Taku Sakurai（JCHO Chukyo Hospital, Japan）

第 11 会場  ホテル金沢 2F ダイヤモンド C

Oral Presentation 46
Diagnostic New Technologies

8:30-9:30

Chair：Kazuo Kato（Nagoya Tokushukai General Hospital, Japan）
Chair ：Katsuhito Fujiu（The University of Tokyo Hospital, Japan）
Discusser ：Tomomi Matsuura（Tokushima University Hospital, Japan）
Discusser ：Kenzaburo Nakajima（National Cerebral and Cardiovascular Center, Japan）

O46-1

DETECTION OF ASYMPTOMATIC RECURRENCE AFTER CATHETER ABLATION FOR ATRIAL FIBRILLATION BY 365-DAY HOLTER ECG ···································································································· 182
Speaker：Tomoaki Nakano（Osaka University Graduate School of Medicine, Japan）

O46-2

DETECTION OF ATRIAL STRUCTURAL REMODELING IN PERSISTENT ATRIAL FIBRILLATION USING ARTIFICIAL INTELLIGENCE ··············································································································· 183
Speaker：Yoshihiro Sobue（Fujita Health University Bantane Hospital, Japan）

O46-3

SCREENING TECHNIQUE FOR CARDIAC AMYLOIDOSIS USING CARDIAC TROPONIN T AND EXTRACELLULAR VOLUME ON PRE-CATHETER ABLATION COMPUTED TOMOGRAPHY ······························ 183
Speaker：Hisanori Kanazawa（Kumamoto University Hospital, Japan/Kumamoto University Graduate School of
Medical Science, Japan）

O46-4

ASSOCIATION BETWEEN LEFT ATRIAL WALL SHEAR STRESS USING VECTOR FLOW MAPPING AND
STROKE RISK SCORE IN PATIENTS WITH ATRIAL FIBRILLATION ················································· 184
Speaker：Takuya Omuro（Yamaguchi University Graduate School of Medicine, Japan）

第70回日本不整脈心電学会学術大会

第 70 回日本不整脈心電学会学術大会

O46-5

24

IDENTIFICATION OF DIFFERENTIALLY EXPRESSED GENES FOR LEFT ATRIUM APPENDAGE THROMBIBY RNA SEQUENCING ANALYSIS ·································································································· 184
Speaker：Motoki Furutani（Hiroshima University, Japan）

Oral Presentation 47
アブレーション関連

15:30-16:40

Chair：Katsuaki Yokoyama（Nihon University Hospital, Japan）
Chair ：Takayuki Kitai（Sapporo Cardio Vascular Clinic, japan）
Discusser ：Kenichi Tokutake（The Jikei University School of Medicine, Japan）

FEASIBILITY AND SAFETY OF VENOUS ETHANOL ABLATION FOR LEFT VENTRICULAR SUMMIT REGIONARRHYTHMIA: INSIGHTS FROM SINGLE CENTER CASE SERIES ···················································· 185

O47-2

A CASE OF BIATRIAL TACHYCARDIA VIA AN EPICARDIAL CONNECTION BETWEEN RIGHT ATRIUM AND
RIGHT-SIDED PULMONARY VEIN ································································································· 186

O47-3

PIVOT POINT IN TYPICAL AVNRT VARIES DEPENDING ON THE ATRIAL PACING SITES ···············

Speaker：Kazuto Kujira（Amagasaki General Medical Center, Japan）

Speaker：Masahiro Ishikura（Gifu Heart Center, Japan）

186

Speaker：Takeaki Goto（Yamanashi Kosei Hospital, Japan）

O47-4

USEFULNESS OF RIPPLE MAPS AND LATE ANNOTATION MAPPING TO VISUALIZE THE ACTIVATIONPATTERN WITHIN KOCH’S TRIANGLE IN A PATIENT WITH PERSISTENT LEFT SUPERIOR VENA CAVA······················································································································································ 187
Speaker：Takashi Kanda（Osaka Police Hospital, Japan）

O47-5

TWO CASES OF SINUS NODE DYSFUNCTION DUE TO OCCLUSION OF THE SINUS NODE ARTERY DURING CATHETER ABLATION, RESTORED BY PCI ············································································ 187
Speaker：Kenji Yamaji（Pref Osaka Saiseikai Izuo Hospital, Japan）

O47-6

SUCCESSFUL CATHETER ABLATION OF PERSISTENT ATRIAL FIBRILLATION USING VEIN OF MARSHALLETHANOL INFUSION FOR MITRAL ISTHMUS BLOCK IN TWO CASES ············································ 188
Speaker：Masateru Kondo（Iwate Prefectural Central Hospital, Japan）

第 12 会場  ホテル日航金沢 3F 孔雀の間 B

Oral Presentation 41
PVC/VT

14:00-15:00

Chair：Yuji Okuyama（Okuyama Clinic, Japan）
Chair ：Masato Okada（Sakurabashi Watanabe Mirai Iryo Hospital, Japan）
Discusser ：Toshihiro Nakamura（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Yuko Matsui（Tokyo Women s Medical University, Japan）

O41-1

THE SPATIAL DIFFERENCE OF EARLY ACTIVATION SITES OF PREMATURE VENTRICULAR COMPLEXES(PVCs) BETWEEN THE SINUS RHYTHM AND THE PVC CHAMBER ··············································· 189

O41-2

DISCRIMINATION ABILITY OF INDICES FOR ABLATION SUCCESS FOR PREMATURE VENTRICULAR CONTRACTION ON MAPPED CARDIAC SURFACES ·············································································· 190

O41-3

THE RELEVANCE BETWEEN EVOKED DELAYED POTENTIAL AND ROTATIONAL ACTIVATION PATTERN/ DECELERATION ZONE DETECTED BY THE CARTO LAM MODULE ············································ 190

Speaker：Makoto Sano（Hamamatsu University School of Medcine, Japan）

Speaker：Takahiko Nagase（Higashiyamato Hospital, Japan）

Speaker：Yutaro Kaneko（Hamamatsu University School of Medcine, Japan）

O41-4

NEW VT ABLATION STRATEGY:STUDY ON A NOVEL APPROACH USING QRS FRACTIONATION MAPPINGAND FREQUENCY ANALYSIS ········································································································ 191
Speaker：Maiko Kuroda（Kokura Memorial Hospital, Japan）

O41-5

EFFECTIVENESS OF VENTRICULAR TACHYCARDIA MAPPING WITH CARTO VERSION 8 ··············
Speaker：Hiroyuki Kono（Kokura Memorial Hospital, Japan）

第70回日本不整脈心電学会学術大会

191

第３日目

O47-1

第 70 回日本不整脈心電学会学術大会

25

Oral Presentation 42
Diagnostic Technologies (ECG)

15:00-16:00

Chair：Atsuhiko Yagishita（Tokai University, Japan）
Chair ：Kentaro Yoshida（Ibaraki Prefectural Central Hospital, Japan）
Discusser ：Takehito Sasaki（Gunma Prefectural Cardiovascular Center, japan）
Discusser ：Minoru Nodera（Fukushima Medical University, Japan）

O42-1

THE DETECTION PATTERNS DURING A 7-DAY SINGLE-LEAD ECG PATCH IN DIFFERENT ARRHYTHMIAS······················································································································································ 192
Speaker：Chisa Asahina（University of Yamanashi, Japan）

THE UTILITY AND CONSIDERATIONS OF SYNTHESIZED RIGHT-SIDED ELECTROCARDIOGRAM······················································································································································

193

Speaker：Kazuki Furuyama（Sendai City Hospital, Japan）

O42-3

REAL-WORLD CLINICAL EVALUATION OF AN AI-ENABLED ATRIAL FIBRILLATION DETECTION SYSTEMUSING 7-DAY HOLTER ECG ··········································································································· 193
Speaker：Hiroyuki Osanai（Tosei General Hospital, Japan）

O42-4

THE IMPACT OF SYNCOPE-TO-ILR TIME FOR DIAGNOSIS OF THE CAUSE OF SYNCOPE ·············

194

Speaker：Kosuke Katano（Kawakita General Hospital, Japan）

O42-5

CLINICAL EXPERIENCE OF IMPLANTABLE LOOP RECORDER (ILR) AT OUR HOSPITALS ··············

194

Speaker：Koji Funaishi（Kawasaki Municipal Hospital, Japan）

Oral Presentation 43
Clinical Studies 5

16:00-17:00

Chair：Shisuke Miyazaki（Tokyo Medical and Dental University, Japan）
Chair ：Fuminori Odagiri（Juntendo University Urayasu Hospital, Japan）
Discusser ：Rintaro Hojo（Tokyo Metropolitan Hiroo Hospital, Japan）
Discusser ：Satoshi Oka（National Cerebral and Cardiovascular Center, Japan）

O43-1

ELUCIDATING THE MECHANISM OF RAPID FUNCTIONAL RECOVERY FOLLOWING ATRIAL FIBRILLATIONABLATION IN PATIENTS WITH LEFT VENTRICULAR SYSTOLIC DYSFUNCTION ···························· 195

O43-2

LONG-TERM EFFECTS ON SINUS NODE FUNCTION FOLLOWING ADDITIONAL EMPIRICAL SUPERIORVENA CAVA ISOLATION IN ATRIAL FIBRILLATION PATIENTS WITH SICK SINUS SYNDROME······················································································································································ 196

Speaker：Masato Okada（Sakurabashi Watanabe Hospital, Japan）

Speaker：Miwa Kanai（Tokyo Women’s Medical University Yachiyo Medical Center, Japan/Tokyo Women’s Medical University, Japan）

O43-3

FEASIBILITY OF ABLATION INDEX-GUIDED PULMONARY VEIN ISOLATION USING A NOVELTEMPERATURE-CONTROLLED ABLATION CATHETER ·································································· 196
Speaker：Kyong Hee Lee（Tokai University, Japan）

O43-4

WHAT IS THE CLINICAL SIGNIFICANCE OF CALCIFICATIONS IN THE LEFT ATRIUM AFTER MULTIPLE
ATRIAL FIBRILLATION ABLATION PROCEDURES? ········································································ 197
Speaker：Tadanori Nakata（Tsuchiura Kyodo General Hospital, Japan）

O43-5

COMPARISON OF ATRIAL FIBRILLATION FREE RATE BETWEEN VERY EARLY RECURRENCE AND EARLY
RECURRENCE AFTER CATHER ABLATION OF PAROXYSMAL ATRIAL FIBRILLATION ···················· 197
Speaker：Nozomi Fukuda（Nara Prefecture Western Medical Center, Japan）

第70回日本不整脈心電学会学術大会

第３日目

O42-2