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
Short Session 会場  ホテル日航金沢 4F 鶴の間

Short Presentation 1
Case Ablation 1

8:30-9:30

Chair：Satoshi Higa（Makiminato Chuo Hospital Japan）
Chair ：Shigeki Kusa（Tsuchiura Kyodo General Hospital, Japan）
Discusser ：Junji Kaneyama（Saitama Sekishinkai Hospital, Japan）
Discusser ：Toshihiro Nakamura（National Cerebral and Cardiovascular Center, Japan）

S1-1

A CASE OF A PATIENT WHO UNDERWENT PULMONARY VEIN ANGIOPLASTY DUE TO OBSTRUCTION
OF THE LEFT UPPER AND LOWER PULMONARY VEINS AFTER PULMONARY VEIN ISOLATION······················································································································································
11
Speaker：Naoki Aizawa（Showa University Koto Toyosu Hospital, Japan）

S1-2

SUCCESSFUL CRYOCATHETER ABLATION FOR DUAL ATRIOVENTRICULAR NODAL NONREENTRANTTACHYCARDIA AFTER FAILURE OF RADIOFREQUENCY ABLATION ··············································
12
Speaker：Yoko Tanimoto（NHO Tokyo Medical Center, Japan）

S1-3

FIRST CASE OF USING COMPLEX SIGNAL IDENTIFICATION TO DETECT THE NON-PULMONARY VEIN
FOCI OF ATRIAL FIBRILLATION ····································································································
12

S1-4

RELATIONSHIP BETWEEN PULMONARY VEIN FOCI OF ATRIAL FIBRILLATION AND COMPLEX SIGNAL
IDENTIFICATION IN PULMONARY VEIN: A CASE SERIES ······························································
13

S1-5

EFFICACY OF PACE-CAPTURE-GUIDED ABLATION COMBINED WITH THRESHOLD-ADJUSTED VOLTAGE
MAP IN ELECTRICAL POSTERIOR BOX ISOLATION AFTER PULMONARY VEIN ISOLATION FOR ATRIALFIBRILLATION ·······························································································································
13

S1-6

THE MODIFIED ABLATION FOR THE CONDUCTION INTO SLOW PATHWAY USING HIGH-DENSITY MAPPING IN PATIENTS WITH ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA ···················
14

Speaker：Kengo Korai（Kokura Memorial Hospital, Japan）

Speaker：Kengo Korai（Kokura Memorial Hospital, Japan）

Speaker：Hiroshi Kuroyanagi（Tohoku Medical and Pharmaceutical University, Japan）

Speaker：Soichiro Terao（Hyogo Medical University, Japan）

Short Presentation 2
AF 1

9:50-10:40

Chair：Tadashi Wada（NHO Iwakuni Clinical Center, Japan）
Chair ：Kosuke Fujibayashi（Kanazawa Medical University, Japan）
Discusser ：Masahiro Maruyama（Kindai University, Japan）
Discusser ：Kazuki Mori（Hyogo Prefectural Amagasaki General Medical Center, Japan）

S2-1

COMPARISON OF FUNCTIONAL ASSESSMENT OF CORONARY ARTERY DISEASE IN PATIENTS UNDERGOING PULMONARY VEIN ISOLATION BETWEEN PRE AND POST FRACTIONAL FLOW RESERVE COMPUTED TOMOGRAPHY PERIOD ···································································································
15

S2-2

THE BENEFIT OF CATHETER ABLATION FOR ATRIAL FIBRILLATION AMONG THE PATIENTS WITH LEFTBUNDLE BRANCH BLOCK AND SYSTOLIC HEART FAILURE ··························································
16

S2-3

THE CHARACTERISTICS OF THE CONDUCTION GAP AFTER VERY HIGH POWER-SHORT DURATION ABLATION FOR PULMONARY VEIN ISOLATION AND LINEAR ABLATION FOR THE LEFT ATRIAL POSTERIORWALL ············································································································································
16

S2-4

ABLATION STRATEGY TARGETING FRACTIONATED ELECTROGRAM WITH CONDUCTION DELAY DURING RAPID PACING USING OPTRELL: RESULT OF 8 CASES WITH LONGSTANDING PERSISTENT ATRIAL
17
FIBRILLATION ·······························································································································

Speaker：Keisuke Miyajima（Seirei Mikatahara General Hospital, Japan）

Speaker：Nobuhiro Yamaguchi（NHO Sendai Medical Center, Japan）

Speaker：Rintaro Hojo（Tokyo Metropolitan Hiroo Hospital, Japan）

Speaker：Takeshi Mikami（Munakata Suikokai General 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

THE OMIYA ATRIAL FIBRILLATION NETWORK QUESTIONNAIRE: SURVEY OF ATRIAL FIBRILLATIONCARE BY NON-CARDIOLOGISTS ···································································································
17
Speaker：Chikashi Suga（Omiya Medical Association, Japan）

Short Presentation 3
AF 2

11:00-12:00

Chair：Tadashi Fujino（Toho University, Japan）
Chair ：Yasuaki Tanaka（Yokosuka Kyosai Hospital, Japan）
Discusser ：Takatsugu Kajiyama（Chiba University Graduate School of Medicine, Japan）
Discusser ：Keisuke Suzuki（Sendai City Hospital, Japan）

S3-1

EFFICACY OF REPEAT CATHETER ABLATION FOR ATRIAL FIBRILLATION ABLATION ··················

18

Speaker：Osamu Inaba（Japanese Red Cross Saitama Hospital, Japan）

S3-2

CONSIDERATION OF THE ADVANTAGES OF NEAR-ZERO FLUOROSCOPIC CATHETER ABLATION FROM
THE PERSPECTIVE OF FEMALE PHYSICIAN AND WORK-STYLE REFORM ····································
19
Speaker：Keiko Nishiyama（Kanto Central Hospital, Japan）

S3-3

COMPARISON OF CATHETER-TISSUE CONTACT FORCE AND LESION IMPEDANCE CHANGE AS INDICATORS OF SUCCESSFUL PULMONARY VEIN ISOLATION ································································
19

S3-4

EXPLORING ATRIAL FIBRILLATION SUBSTRATE AND DRIVERS THROUGH CARTOFINDER MAPPING:CORRELATIONS WITH EPICARDIAL ADIPOSE TISSUE ··································································
20

S3-5

THE UTILITY OF LOCAL IMPEDANCE DROP IN EnSite X™ EP AND TactiFlex™ ABLATION CATHETER
FOR LEFT ATRIAL POSTERIOR WALL ISOLATION IN PERSISTENT ATRIAL FIBRILLATION ·············
20

Speaker：Tetsuya Watanabe（Osaka General Medical Center, Japan）

Speaker：Masaya Tachi（Nagoya University Graduate School of Medicine, Japan）

Speaker：Tomoyuki Arai（Tokyo Metropolitan Hiroo Hospital, Japan）

Short Presentation 4
Risk Stratification (SAECG, TWA, HRV, HRT, etc)

14:10-15:10

Chair：Kenichi Hashimoto（National Defense Medical College Hospital, Japan）
Chair ：Takehiro Kimura（Keio University, Japan）
Discusser ：Motoki Kubo（Okayama Heart Clinic, Japan）
Discusser ：Akira Ueoka（Okayama University Hospital, Japan）

S4-1

EFFECTS OF LAA RESECTION ON LEFT ATRIAL FUNCTION AND ITS ASSOCIATION WITH LEFT ATRIAL
FIBROSIS ······································································································································
21
Speaker：Naoto Oguri（Hiroshima University Graduate School of Biomedical and Health Sciences, Japan）

S4-2

CAN LATE POTENTIAL MEASURED BY SIGNAL-AVERAGED ELECTROCARDIOGRAMS INDICATE DELAYED POTENTIAL IN THE SUCCESSFUL ABLATION SITE OF OUTFLOW VENTRICULAR ARRYTHMIA?
······················································································································································
22

S4-3

THE USEFULNESS OF HIGH-RESOLUTION 24-HOUR ELECTROCARDIOGRAPHIC PARAMETERS IN PATIENTS WITH COVID-19 PNEUMONIA ··························································································
22

Speaker：Taiki Ishizawa（Tsuchiura Kyodo General Hospital, Japan）

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

S4-4

PROGNOSTIC SIGNIFICANCE OF PROLONGED QTc INTERVAL IN PATIENTS WITH HYPERTROPHIC CARDIOMYOPATHY ····························································································································
23
Speaker：Shun Hasegawa（Tokyo Women’s Medical University, Japan）

S4-5

PERSONALIZED PREDICTION OF ATRIAL FIBRILLATION ONSET RISK USING APPLE WATCH-BASEDLIFELOGS: RESULTS OF THE APPLE WATCH HEART STUDY ························································
23
Speaker：Takehiro Kimura（Keio University, Japan）

S4-6

THE CHARACTERISTICS OF PR INTERVAL ON ECG IN JAPANESE PATIENTS WITH FABRY DISEASE······················································································································································
24
Speaker：Hiroaki Watanabe（Jichi Medical University Hospital, Japan）

第70回日本不整脈心電学会学術大会

第１日目

S2-5

3

第 70 回日本不整脈心電学会学術大会

4

15:30-16:20

Chair：Hitoshi Hachiya（Tsuchiura Kyodo General Hospital, Japan）
Chair ：Atsushi Iwasa（New Tokyo Hospital, Japan）
Discusser ：Tsuyoshi Mishima（NHO Osaka National Hospital, Japan）
Discusser ：Eiichiro Oka（Nippon Medical School Musashikosugi Hospital, Japan）

S5-1

CATHETER ABLATION EFFECTS IN THE ATRIAL FIBRILLATION PATIENTS WITH LEFT VENTRICULAR
HYPERTROPHY ····························································································································
25
Speaker：Ken Umetani（Yamanashi Prefectural Central Hospital, Japan）

S5-2

IMPACT OF GENERAL ANESTHESIA BY ANESTHESIOLOGIST IN RADIOFREQUENCY ABLATION OF
ATRIAL FIBRILLATION ··················································································································
26
Speaker：Hiroyuki Sakurane（Kindai University Nara Hospital, Japan）

S5-3

ARRHYTHMIA RECURRENCE STRATIFICATION AFTER CATHETER ABLATION IN ATRIAL FIBRILLATION
26
PATIENTS WITH ENLARGED LEFT ATRIUM ··················································································
Speaker：Ayako Sugino（Osaka Rosai Hospital, Japan）

S5-4

COMPARISON OF MITRAL ISTHMUS LINEAR ABLATION BETWEEN ANTERIOR AND LATERAL LINES······················································································································································
27

S5-5

USEFULNESS OF NON-ENHANCED MAGNETIC RESONANCE IMAGING ABLATION STRATEGY IN RECONSTRUCTING
THREE-DIMENSIONAL PULMONARY VEIN-LEFT ATRIUM IMAGE USING MODIFIED DIXON SEQUENCE······················································································································································
27

Speaker：Sayana Kuraoka（Saiseikai Fukuoka General Hospital, Japan）

Speaker：Keisuke Miyajima（Seirei Mikatahara General Hospital, Japan）

Short Presentation 6
AF balloon 1

16:40-17:40

Chair：Koji Azegami（New Tokyo Hospital, Japan）
Chair ：Shiro Nakahara（Dokkyo Medical University Saitama Medical Center, Japan）
Discusser ：Katsunori Okajima（Kakogawa City Hospital, Japan）
Discusser ：Asami Kashiwa（Niigata City General Hospital, Japan）

S6-1

USEFULNESS OF CLUSTERING BY ARTIFICIAL INTELLIGENCE IN PREDICTING RECURRENCE OF ATRIALFIBRILLATION AFTER PULMONARY VEIN ISOLATION USING CRYOBALLOON ······························
28
Speaker：Nobutaka Kato（Yokohama Minami Kyosai Hospital, Japan）

S6-2

ACUTE SUCCESS AND MID-TERM RESULTS OF NONOCCLUSIVE SEPARATE FREEZING TECHNIQUE FOR
CRYOBALLOON-GUIDED PULMONARY VEIN ISOLATION ······························································
29

S6-3

PHRENIC NERVE INJURY DURING RIGHT SUPERIOR PULMONARY VEIN ABLATION WITH THE Polar X
OR Polar X FIT CRYOBALLOON: CLINICAL AND PROCEDURAL CHARACTERISTICS ······················
29

S6-4

THE THIRD-GENERATION VISUALLY GUIDED LASER BALLOON ABLATION IN PATIENTS WITH A LEFTCOMMON PULMONARY VEIN ·······································································································
30

S6-5

PREDICTORS OF VERY LATE RECURRENCE AFTER CRYOABLATION FOR ATRIAL FIBRILLATION······················································································································································

Speaker：Hirofumi Arai（Japan Red Cross Yokohama City Bay Hospital, Japan）

Speaker：Takafumi Koyama（Shonan Kamakura General Hospital, Japan）

Speaker：Takashi Yamasaki（Koseikai Takeda Hospital, Japan）

30

Speaker：Kohei Ukita（Osaka Rosai Hospital, Japan）

S6-6

CRYOBALLOON ABLATION FOR THE LEFT COMMON PULMONARY VEIN: COMPARISON OF THE POLARx
31
AND THE POLARx FIT ··················································································································
Speaker：Hirofumi Arai（Japan Red Cross Yokohama City Bay Hospital, Japan）

第70回日本不整脈心電学会学術大会

第１日目

Short Presentation 5
AF 3

第 70 回日本不整脈心電学会学術大会

5

7 月 19 日（金）第２日目

Short Presentation 7
AF 4

第２日目

Short Session 会場  ホテル日航金沢 4F 鶴の間

8:30-9:30

Chair：Junjiro Koyama（Saiseikai Kumamoto Hospital, Japan）
Chair ：Sou Takenaka（IMS Katsushika Heart Center, Japan）
Discusser ：Koichiro Sonoda（Sasebo City General Hospital, Japan）
Discusser ：Hidekazu Kondo（Oita University, Japan）

S7-1

THE EFFECTIVENESS OF ADDITIONAL ABLATION FOR REGIONS WITH SHORT CYCLE LENGTHS AS
INDICATED BY THE NEW CARTOFINDER ALGORISM, CYCLE LENGTH COLORING MAP ···············
32

S7-2

CHARACTERISTICS OF STRUCTURAL REMODELING IN ATRIAL FIBRILLATION PATIENTS WITH HEARTFAILURE WITH PRESERVED EJECTION FRACTION ·······································································
33

S7-3

THE UTILITY OF CONTRAST COMPUTED TOMOGRAPHY AND A MULTI-ELECTRODE CATHETER WITH
INNER LUMEN FOR INTRACARDIAC DEFIBRILLATION IN DETECTING THE VEIN OF MARSHALL······················································································································································
33

S7-4

IMPACT OF LOW BODY-MASS INDEX ON PAROXYSMAL ATRIAL FIBRILLATION ABLATION OUTCOMES······················································································································································
34

S7-5

DIVERSITY IN ENDOCARDIAL PROPAGATION OF STRICTLY DIAGNOSED MARSHALL BUNDLE-RELATEDATRIAL TACHYCARDIA ·················································································································
34

S7-6

THE IMPACT OF ESCAPE MAPPING FOR ROOF LINE COMPLETION DURING BOX ISOLATION FOR ATRIALFIBRILLATION ·······························································································································
35

Speaker：Keiichi Ashikaga（Miyazaki Medical Association Hospital, Japan）

Speaker：Shuntaro Tamura（Gunma University Hospital, Japan）

Speaker：Yumi Yasui（Yokohama City Minato Red Cross Hospital, Japan）

Speaker：Shin Meguro（Saitama Red Cross Hospital, Japan）

Speaker：Yasuaki Tanaka（Yokosuka Kyosai Hospital, Japan）

Speaker：Kazuaki Kaitani（Japanese Red Cross Otsu Hospital, Japan）

Short Presentation 8
実験モデル

10:00-10:50

Chair：Takeshi Aiba（National Cerebral and Cardiovascular Center, Japan）
Chair ：Ichitaro Abe（Oita University, Japan）
Discusser ：Kenshi Hayashi（Kanazawa University Hospital, Japan）
Discusser ：Asami Kashiwa（Niigata City General Hospital, Japan）

S8-1

LIGHT CYCLE RESTRICTED FEEDING MODIFIES DAILY RHYTHMS IN THE LONG QT SYNDROMERELATED PHENOTYPES VIA AUTONOMIC SIGNALING AND CORE BODY TEMPERATURE IN MICE······················································································································································
36

S8-2

SGLT2 INHIBITION AMELIORATES THE DISTURBANCE OF ATRIAL CONDUCTION IN MICE WITH HEART
37
FAILURE ·······································································································································

Speaker：Makoto Ono（University of Kentucky, US）

Speaker：Satoshi Iwamiya（Tokyo Medical and Dental University, Japan）

S8-3

INHIBITION OF TRANSIENT OUTWARD K+ CURRENT (I to ) PREVENTS THE DEVELOPMENT OF EARLY
AFTERDEPOLARIZATION-MEDIATED TRIGGERED ACTIVITY THAT TRIGGERS REENTRANT TACH37
YARRHYTHMIAS IN LONG QT SYNDROME TYPE2 ········································································
Speaker：Kunichika Tsumoto（Kanazawa Medical University, Japan）

S8-4

EVALUATION OF ARVC RISK CALCULATOR IN JAPANESE ARVC COHORT ····································

38

Speaker：Keiko Sonoda（National Cerebral and Cardiovascular Center, Japan）

S8-5

ANTIARRHYTHMIC EFFECTS OF ARTIFICIAL OXYGEN CARRIER (HbV) IN PERIOPERATIVE SEVERE HEMORRHAGIC SHOCK DURING TOTAL PNEUMONECTOMY MODEL: OPTICAL MAPPING ANALYSIS······················································································································································
38
Speaker：Bompei Takase（National Defense Medical College, 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

Short Presentation 9
Case Device

11:00-12:00

S9-1

A CASE OF LEADLESS PACEMAKER EXTRACTION AND RE-IMPLANTATION DUE TO DEVICE RELATEDVENTRICULAR TACHYCARDIA ······································································································
39
Speaker：Shozo Ishihara（Mimihara General Hoapital, Japan）

S9-2

A CASE OF DELAYED VENTRICULAR SEPTAL PERFORATION SUSPECTED FROM ELECTROCARDIOGRAM
CHANGES AFTER LEFT BUNDLE BRANCH AREA PACING ·····························································
40
Speaker：Takushi Ikeda（Toho University Sakura Medical Center, Japan）

S9-3

RETRIEVAL OF THE Aveir LEADLESS PACEMAKER USING LOOP WIRE TECHNIQUE ·····················

40

Speaker：Kensuke Yano（Toho University, Japan）

S9-4

SEVERE TRICUSPID REGURGITATION MAY HAMPER THE SUCCESSFUL IMPLANTATION OF AVEIR VR
41
LEADLESS PACEMAKER ················································································································

S9-5

HIGH-DEGREE ATRIOVENTRICULAR BLOCK AFTER INTRODUCTION OF CORTICOSTEROID THERAPYFOR CARDIAC SARCOIDOSIS: A REPORT OF TWO CASES ····························································
41

Speaker：Tatsuki Yoshie（Ogaki Municipal Hospital, Japan）

Speaker：Kai Fujita（Tottori University Hospital, Japan）

S9-6

RELOCATING PACEMAKER TO ENABLE LUNG CANCER RADIATION THERAPY: A CASE SERIES······················································································································································

42

Speaker：Koji Funaishi（Kawasaki Municipal Hospital, Japan）

Short Presentation 10
AF 5

14:10-15:10

Chair：Hidemori Hayashi（Juntendo University Graduate School of Medicine, Japan）
Chair ：Kojiro Tanimoto（NHO Tokyo Medical Center, Japan）
Discusser ：Jun Kishihara（Kitasato University, Japan）
Discusser ：Toshihiro Nakamura（National Cerebral and Cardiovascular Center, Japan）

S10-1

OPTIMIZING ABLATION SITES FOR RE-CONDUCTION OF PULMONARY VEIN IN PATIENTS WITH ATRIALFIBRILLATION: A NOVEL APPROACH USING EMPHASIZE SETTINGS ············································
43
Speaker：Shuhei Okajima（Nippon Medical School Hospital, Japan）

S10-2

THE EFFICACY OF THE 4-LINE METHOD IN LEFT ATRIAL POSTERIOR WALL ISOLATION ·············

44

Speaker：Haruna Tabuchi（Juntendo University Nerima Hospital, Japan）

S10-3

CARDIAC LOAD OF THE TEMPERATURE-CONTROLLED CATHETER IN ABLATION FOR ATRIAL FIBRILLATION COMPARED TO THE CONVENTIONAL CATHETER ···························································
44

S10-4

WHAT KIND OF PATIENTS PRESENT WITH HYPOTENSION DURING CATHETER ABLATION OF ATRIALFIBRILLATION?: FREQUENCY AND PATIENT CHARACTERISTICS ··················································
45

Speaker：Yuichiro Makino（Yokkaichi Municipal Hospital, Japan）

Speaker：Moe Mukai（University of Fukui Hospital, Japan）

S10-5

IMPEDANCE DROP AS A INDICATOR OF ABLATION EFFICACY WITH AN DIAMONDTEMP ABLATIONCATHETER ···································································································································
45
Speaker：Kazuyasu Yoshitani（Shiroyama Hospital, Japan）

S10-6

INVESTIGATION OF THE USEFULNESS OF EnSiteX PEAK FREQUENCY MAPPING IN ROOF LINE ABLATION FOR LEFT ATRIAL POSTERIOR WALL ISOLATION IN ATRIAL FIBRILLATION(AF) ·················
46
Speaker：Eri Ishikawa（Shizuoka City Shizuoka Hospital, Japan）

Short Presentation 11
Abltaion Therapy

15:30-16:20

Chair：Yoshihisa Enjoji（Kasai Shoikai Hospital Cardiovascular Center, Japan）
Discusser ：Keita Masuda（St.Luke’s International Hospital, Japan）
Discusser ：Takashi Ikee（National Cerebral and Cardiovascular Center, Japan）

第70回日本不整脈心電学会学術大会

第２日目

Chair：Akihiro Yoshida（Kita-harima Medical Center, Japan）
Chair ：Kohei Ishibashi（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Kazuhisa Matsumoto（Saitama Medical University International Medical Center, Japan）
Discusser ：Nobuhiro Nakamura（National Cerebral and Cardiovascular Center, Japan）

第 70 回日本不整脈心電学会学術大会

S11-1

7

OPEN-WINDOW MAPPING USING A NOVEL 8-SPLINE MULTIPOLAR CATHETER IN PATIENS WITH
WOLFF-PARKINSON-WHITE SYNDROME ······················································································
47
Speaker：Kazuma Iimura（Tokai University, Japan）

S11-2

Speaker：Tomomichi Suzuki（Nishichita General Hospital, Japan）

S11-3

EFFICACY OF CATHETER ABLATION FOR PREMATURE VENTRICULAR CONTRACTIONS OF LEFT VENTRICULAR OUTFLOW TRACT UTILIZING A 2.7F ELECTRODE CATHETER VIA TRANSFEMORAL APPROACH ·······································································································································
48
Speaker：Takayuki Kitai（Sapporo Cardio Vascular Clinic, Japan）

S11-4

SAFETY OF ANTERIOR-ORIENTED APPROACH FOR EPICARDIAL ACCESS IN CATHETER ABLATION OF
49
VENTRICULAR TACHYARRHYTHMIAS ··························································································
Speaker：Takeshi Sasaki（NHO National Disaster Medical Center, Japan）

S11-5

DETAILED EPICARDIAL MAPPING FOR IDENTIFYING THE ORIGIN OF PREMATURE VENTRICULAR CONTRACTION FROM THE LEFT VENTRICULAR OUTFLOW TRACT ···················································
49
Speaker：Kazuto Hayasaka（NHO Disaster Medical Center, Japan）

Short Presentation 12
Case Ablation 2

16:40-17:40

Chair：Yoshiaki Mizutani（Yokkaichi Municipal Hospital, Japan）
Chair ：Toshio Kinoshita（Toho University Sakura Medical Center, Japan）
Discusser ：Nobuhiko Ueda（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Moe Mukai（University of Fukui Hospital, Japan）

S12-1

UNINTENDED LEFT ATRIAL APPENDAGE ISOLATION FOLLOWING CRYOABLATION FOR ATRIAL FIBRILLATION ·········································································································································
50

S12-2

A CASE OF IDENTIFICATION OF EPICARDIAL NON PULMONARY VEIN FOCI USING INTRACARDIAC PACE
MATCH SCORING ··························································································································
51

S12-3

A CASE OF SYMPTOMATIC SEVERE PULMONARY VEIN STENOSIS AFTER CATHETER ABLATION DUE
TO ANATOMICAL CHARACTERISTICS OF THE FLATTENED COMMON TRUNK OF THE PULMONARY
VEIN ·············································································································································
51

S12-4

MANIFEST TYPE B WOLFF-PARKINSON-WHITE SYNDROME COMPLICATED WITH SLOW/FAST ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA ··································································
52

S12-5

A CASE OF CRYOABLATION FOR PAROXYSMAL ATRIAL FIBRILLATION WITH A PERSISTENT LEFT SUPERIOR VENA CAVA ·····················································································································
52

Speaker：Hitomi Yuzawa（Mitsui Memorial Hospital, Japan）

Speaker：Yosuke Mizuno（Sendai Kousei Hospital, Japan）

Speaker：Yomei Sakurai（Nagoya City University Hospital, Japan）

Speaker：Daiki Yamashita（Mie University Hospital, Japan）

Speaker：Takuya Nakagawa（Shizuoka City Shizuoka Hospital, Japan）

S12-6

ASSESSMENT OF UNUSUAL VARIANTS IN SLOW/FAST ATRIOVENTRICULAR NODAL REENTRANTTACHYCARDIA: EFFECTIVENESS AND PRACTICALITY OF A SINGLE LATE ATRIAL EXTRASTIMULUS······················································································································································
53
Speaker：Yuichiro Sakamoto（Toyohashi Heart Center, Japan）

第70回日本不整脈心電学会学術大会

第２日目

EFFECTS OF REVERSED C-curve TECHNIQUE GUIDED ABLATION ON VENTRICULAR ARRHYTHMIASORIGINATING FROM THE PARA-HISIAN REGION: IMPACT ON PROCEDURES AND OUTCOMES······················································································································································
48

第 70 回日本不整脈心電学会学術大会

8

7 月 20 日（土）第３日目
Short Session 会場  ホテル日航金沢 4F 鶴の間

Short Presentation 13
AF balloon 2

8:30-9:30
第３日目

Chair：Koji Kumagai（Tohoku Medical and Pharmaceutical University, Japan）
Chair ：Kaori Hisazaki（Fukui General Hospital, Japan）
Discusser ：Atsunobu Kasai（Ise Red Cross Hospital, Japan）
Discusser ：Ayako Sugino（Osaka Rosai Hospital, Japan）

S13-1

ONE-YEAR OUTCOME OF LASER BALLOON ABLATION FOR PULMONARY VEIN ISOLATION IN PATIENTSWITH PERSISTENT ATRIAL FIBRILLATION: A PROPENSITY-SCORE-MATCHED ANALYSIS ·············
54

S13-2

COMPARISON OF ISOLATED POSTERIOR WALL AREA AFTER PULMONARY VEIN ISOLATION BETWEENCRYOBALLOON SYSTEMS ············································································································
55

S13-3

THE ANTERIOR COVER TECHNIQUE FOR LEFT SUPERIOR PULMONARY VEIN ISOLATION USING CRYOBALLOON ···································································································································
55

S13-4

CLINICAL CHARACTERISTIC OF CASES WHERE THE LEFT SUPERIOR PULMONARY VEIN COULD NOT
BE ISOLATED WITH COMPLETE OCCLUSION USING NOVEL CRYOBALLOON ·······························
56

Speaker：Shingen Owada（Iwate Medical University, Japan）

Speaker：Chisa Asahina（University of Yamanashi, Japan）

Speaker：Yuri Oryoji（Shonan Kamakura General Hospital, Japan）

Speaker：Kazuya Murata（Yokohama City Minato Red Cross Hospital, Japan）

S13-5

ONE-YEAR OUTCOME OF WIDE-AREA PULMONARY VEIN ISOLATION USING THE THIRD-GENERATIONVISUALLY GUIDED LASER BALLOON ····························································································
56
Speaker：Takashi Yamasaki（Koseikai Takeda Hospital, Japan）

S13-6

CRYOBALLOON ABLATION WITHOUT CONTRAST DYE ·······························································

57

Speaker：Yukoh Hirai（Kure Kyosai Hospital, Japan）

Short Presentation 14
AF 6

9:50-10:40

Chair：Koji Fukuzawa（Kobe University Graduate School of Medicine, Japan）
Chair ：Takahiko Nagase（Higashi-yamayo Hospital, Japan）
Discusser ：Koji Goto（Fukaya Red Cross Hospital, Japan）
Discusser ：Tomofumi Nakamura（Nagoya Heart Center, Japan）

S14-1

THE INCIDENCE AND PREDICTORS OF HEART FAILURE AFTER CATHETER ABLATION OF ATRIAL FIBRILLATION IN PATIENTS WITH AND WITHOUT A HISTORY OF HEART FAILURE ·························
58

S14-2

EFFICACY AND SAFETY OF HIGH-POWER SHORT DURATION ATRIAL FIBRILLATION ABLATION WITHOUT ESOPHAGEAL TEMPERATURE MONITORING IN ELDERLY PATIENTS ···································
59

S14-3

DETECTION OF EPICARDIAL CONNECTION THROUGH INTERCAVAL BUNDLE INVOLVING RIGHT PULMONARY VEINS AFTER IPSILATERAL CIRCUMFERENTIAL ABLATION BY INTRA ATRIAL ACTIVATION59
SEQUENCE PACING FROM RIGHT PULMONARY VEIN ···································································

S14-4

LEFT VENTRICULAR REVERSE REMODELING AFTER CATHETER ABLATION OF ATRIAL FIBRILLATIONIN PATIENTS WITH LEFT VENTRICULAR SYSTOLIC DYSFUNCTION: PREDICTORS AND PROGNOSTICIMPLICATIONS ······························································································································
60

Speaker：Shintaro Hashimoto（Yamaguchi University, Japan）

Speaker：Koichiro Ejima（Minamino Cardiovascular Hospital, Japan）

Speaker：Akio Chikata（Toyama Prefectural Central Hospital, Japan）

Speaker：Hiroyuki Miyazawa（Ogaki Municipal Hospital, Japan）

S14-5

A NOVEL MAPPING APPROACH FOR VISUALIZING AN EPICARDIAL CONNECTION BETWEEN RIGHTATRIUM AND RIGHT-SIDED PULMONARY VEIN ············································································
60
Speaker：Masahiro Ishikura（Gifu 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

9

Short Presentation 15
Bradycardias/Tachycardias

11:00-12:00

Chair：Yoshinao Yazaki（Tokyo Medical University Hospital, Japan）
Chair ：Yuichiro Miyazaki（National Cerebral and Cardiovascular Center, Japan）
Discusser ：Chikashi Suga（Suga Clinic, Japan / Station Front Heart Clinic, Japan）
Discusser ：Masato Kawasaki（Osaka General Medical Center, Japan）

S15-1

RISK STRATIFICATION FOR PERICARDIAL EFFUSION AFTER LEADLESS PACEMAKER IMPLANTATION······················································································································································
61
Speaker：Yuya Komai（Chiba University Graduate School of Medicine, Japan）

COMPARISON MID-TERM OBSERVATIONAL STUDY LEFT BUNDLE BRANCH PACING AND LEFT VENTRICULAR SEPTAL PACING ··········································································································
62
Speaker：Akino Yoshimura（Saiseikai Kumamoto Hospital, Japan）

S15-3

LEFT BUNDLE BRANCH AREA PACING: 4 YEAR EXPERIENCE IN A JAPANESE SINGLE-CENTER······················································································································································

62

Speaker：Keisuke Miyajima（Seirei Mikatahara General Hospital, Japan）

S15-4

IMPACTS OF BILATERAL BRANCH AREA PACING ON CARDIAC FUNCTION IN LEFT BUNDLE BRANCH
63
AREA PACING ·······························································································································S15-5

EFFECTIVENESS OF IMPLANTABLE CARDIOVERTER DEFIBRILLATOR AMONG PATIENTS WITH SYSTOLIC DYSFUNCTION: COMPARISON OF ISCHEMIC VS. NON-ISCHEMIC CARDIOMYOPATHY······················································································································································
63

Speaker：Keisuke Miyajima（Seirei Mikatahara General Hospital, Japan）

Speaker：Hikaru Hagiwara（Kushiro City General Hospital, Japan/Hokkaido University Graduate School of
Medicine, Japan）

S15-6

THE RELATIONSHIP BETWEEN DEVICE THERAPY AND PROGNOSIS AFTER USING WEARABLE CARDIOVERTER DEFIBRILLATOR (WCD) ····························································································
64
Speaker：Masakazu Fukuda（Yamaguchi University Graduate School of Medicine, Japan/Yamaguchi University
Hospital, Japan）

第70回日本不整脈心電学会学術大会

第３日目

S15-2