Day 2

June 29（Sat）

Day2・Room 1（Conference Bldg. 2F“Main Hall”）
Symposium 2

Treatment for intra-articular fractures of the upper limbs-Osteosynthesis versus one-stage total joint replacement-（8:30 ～ 10:00）

Chairs: H. Ikegami
K. Nishida

2-1-SY2-1

Limits of the surgical indication of osteosynthesis for proximal humeral fractures……… S47
Fukuyama City Hosp., Fukuyama, Japan  Chuji Terada

2-1-SY2-2

Treatment Options for Fractures Around the Shoulder Joint Osteosynthesis vs.
one-stage total shoulder arthroplasty… …………………………………………………… S48
Dept. of Orthop. Surg. (Ohashi), School of Medicine, …
Toho Univ., Tokyo, Japan  Hiroyasu Ikegami

2-1-SY2-3

Reverse Total Shoulder Arthroplasty for Proximal Hurmeral Fracture……………… S49
Iwaki City Medical Center, Iwaki, Japan  Toshitake Aizawa

2-1-SY2-4

Indication and limitation of the osteosynthesis for fractures of the distal end of
the humerus…………………………………………………………………………………… S50
Okayama Saisiekai General Hosp., Okayama, Japan  Junya Imatani

Indications for primary total elbow arthroplasty for distal humerus fracturesin the elderly -limitations of osteosynthesis… …………………………………………… S51
Showa Univ. Yokohama Northern Hosp., Kanagawa, Japan  Keikichi Kawasaki

2-1-SY2-6

Total elbow arthroplasty for comminuted intra-articular fractures of the distal
humerus in the elderly… …………………………………………………………………… S52
Locomotive Pain Center, Okayama Univ. Hosp., Okayama, Japan  Keiichiro Nishida

Panel Discussion 2

Treatment of atrophic nonunion（10:10 ～ 11:40）

Chairs: Y. Watanabe
A. Mogami

2-1-PD2-1

Definition, Causes, Classification, and Diagnosis of nonunion treatment… …………… S68
Jichi Medical Univ., Tochigi, Japan  Tomohiro Matsumura

2-1-PD2-2

What does bioactivity mean in the treatment of atrophic nonunions andfractures?… …………………………………………………………………………………… S69
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine / Trauma & Reconstruction Center, …
Teikyo Univ. Hosp., Tokyo, Japan  Yoshinobu Watanabe

2-1-PD2-3

Management of Aseptic Nonunions: A systematic Review……………………………… S70
Trauma & Reconstruction Center, Teikyo Univ. Hosp. / …
Teikyo Univ. School of Medicine, Dept. of Orthop., Tokyo, Japan  Gen Sasaki

2-1-PD2-4

Can RIA products be an alternative to autologous iliac cancellous bone grafts?… …… S71
Dept. of Ortho. Surg., Kobe Univ. Graduate School of Medicine, Kobe, Japan  Keisuke Oe－ 183 －

Day 2
Room 1

2-1-SY2-5

2-1-PD2-5

Treatment of Atrophic Non-unions: Chipping technique………………………………… S72
Shin-yurigaoka General Hosp., Kanagawa, Japan  Takashi Matsushita

2-1-PD2-6

CD34-positive cell transplantation and bone morphogenetic protein to treat
atrophic nonunion……………………………………………………………………………… S73
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

Panel Discussion 3

Atypical fractures（13:20 ～ 14:50）

Chairs: T. Niikura
Y. Oh

2-1-PD3-1

Epidemiology and risk factors of atypical femoral fracture… ………………………… S74
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

2-1-PD3-2

Subtype classification for atypical femoral fractures and its clinical application… …… S75
Dept. of Orthop. and Trauma Research, Graduate School of Medical and Dental Sciences, …
Tokyo Medical and Dental Univ., Tokyo, Japan  Yoto Oh

2-1-PD3-3

Current Review… …………………………………………………………………………… S76
Osaka City General Hosp., Osaka, Japan  Yosuke Nagai

2-1-PD3-4

Outcome of surgical treatment with atypical femoral fracture………………………… S77
Tohoku Univ. Hosp., Miyagi, Japan  Takehiro Sugaya

2-1-PD3-5

Surgical treatment for atypical femur fracture…………………………………………… S78
Nagasaki Medical Center, Omura, Japan  Takashi Miyamoto

2-1-PD3-6

Treatment for nonunion of atypical subtrochanteric femoral fractures… …………… S79
Jichi Medical Univ., Tochigi, Japan  Tomohiro Matsumura

Symposium 3

Updates for periprosthetic fractures（15:10 ～ 16:40）

Chairs: H. Ikegami
T. Baba

2-1-SY3-1

Periprosthetic fractures around the shoulder joint… …………………………………… S53
Dept. of Orthop. Surg. (Ohashi), School of Medicine, …
Toho Univ., Tokyo, Japan  Hiroyasu Ikegami

2-1-SY3-2

Periprosthetic fractures after total elbow arthroplasty… ……………………………… S54
Locomotive Pain Center, Okayama Univ. Hosp., Okayama, Japan  Keiichiro Nishida

2-1-SY3-3

Peri-implant fractures; Hip joint… ………………………………………………………… S55
Oyumino Central Hosp., Chiba, Japan  Takayuki Nakajima

2-1-SY3-4

Peri-TKA Fractures (Treatment options and key point of the procedure)…………… S56
Saiseikai Kumamoto Hosp., Kumamoto, Japan  Yoshihisa Anraku

2-1-SY3-5

The strategy for interprosthetic femoral fractures… …………………………………… S57
Shonan Kamakura General Hosp., Kanagawa, Japan  Kentaro Futamura－ 184 －

Day2・Room 2（Conference Bldg. 2F“Tachibana”）
Main Theme 21

Atypical femoral fracture（8:30 ～ 9:40）

Chair: K. Futamura

2-2-MT21-1 Longitudinal follow-up of precursory signs for atypical femoral fractures in bonemetastatic patients with bone-modifying agents… …………………………………… S148
Dept. of Orthop. and Spinal Surg., Graduate School of Medical and Dental Sciences, …
Tokyo Medical and Dental Univ., Tokyo, Japan  Takumi Kaku

2-2-MT21-2 Influence of fracture line thickness in occult pertrochanteric fracture model on
fracture extension using CT based finite element analysis…………………………… S149
Himeji Central Hosp., Hyogo ,Japan  Mitsuaki Noda

2-2-MT21-3 Five limbs in three cases using the Ender method prophylactically for atypicalfemoral fractures… ………………………………………………………………………… S149
Dokkyo Medical Univ. Hosp., Tochigi, Japan  Wataru Irahara

2-2-MT21-4 Results of surgical treatment for nonunion of subtrochanteric atypical femoral
fracture… …………………………………………………………………………………… S150
Hyogo Prefectural Nishinomiya Hosp., Hyogo, Japan  Takahiro Niikura

2-2-MT21-5 Assessment of the locations of atypical femoral fractures… ………………………… S150
Suzuka Kaisei Hosp. / Owase General Hosp., Mie, Japan  Daiki Tsuji

Toyama Municipal Hosp., Toyama, Japan  Shintaro Iwai

2-2-MT21-7 Chipping technique for atypical femoral fractures… ………………………………… S151

Day 2
Room 1

2-2-MT21-6 Atypical periprosthetic femoral fractures: A report of 3 cases……………………… S151

Tohoku Univ. Hosp., Sendai, Japan  Akihiro Yasuyama
Day 2
Room 2Main Theme 23

Fragility Fractures of Pelvis and Sacrum（9:50 ～ 10:40）

Chair: T. Suzuki

2-2-MT23-1 Outcome of percutaneous screw fixation of the sacrum for fragility fracture of
the pelvis in the elderly…………………………………………………………………… S155
Nagoya City Univ. Hosp., Nagoya, Japan  Hiroki Yonezu

2-2-MT23-2 Usefulness of SAI (Sacral Alar Iliac) screw for Fragility Fracture of the Pelvic
ring…………………………………………………………………………………………… S155
Kitaakita Municipal Hosp., Akita, Japan  Motoki Mita

2-2-MT23-3 Investigation of the usefulness of simple radiographic sacral lateral view in the
diagnosis of sacral fractures… …………………………………………………………… S156
Seirei Yokohama Hosp., Yokohama, Japan  Ryutaro Suzuki

2-2-MT23-4 Is weight-bearing restriction necessary after LC-2 screw insertion for fragility
fracture of pelvis type 3a?………………………………………………………………… S156
Oita Univ. Hosp., Yufu, Japan  Akihiro Hino

－ 185 －

2-2-MT23-5 Pelvic incidence of H-type sacral insufficiency fracture is increased with conservative
treatment… ………………………………………………………………………………… S157
Dept. of Orthop. Surg., Tokyo Metropolitan Hiroo Hosp., Tokyo, Japan  Yuko Yagi

Main Theme 10

Pelvic ring fractures（10:50 ～ 11:50）

Chair: T. Sato

2-2-MT10-1 Evaluation of diagnosis and treatment guidelines for pelvic ring fractures… …… S117
Tokyo Metropolitan Bokutoh Hosp., Tokyo, Japan / …
Dept. of Orthop. Surg., Chiba Univ., Chiba, Japan  Megumi Yazaki

2-2-MT10-2 Surgical outcomes for pelvic ring fractures using the Anterior SubcutaneousInternal Pelvic Fixator… ………………………………………………………………… S117
Dept. of Orthops. Surg., Kimitsu Chuo Hosp., Chiba, Japan  Rika Komei

2-2-MT10-3 Implant failure occurs at a high rate in H and U type sacral fractures… ………… S118
Tokyo Metropolitan Hiroo Hosp., Tokyo, Japan / Saitama Medical Center, Saitama Medical Univ., …
Saitama, Japan / Nippon Koukan Hosp,, Kanagawa, Japan  Toshihide Sato

2-2-MT10-4 Pelvic incidence with lumbar lordosis is an indicator of reduction H and U typesacral fractures… …………………………………………………………………………… S118
Tokyo Metropolitan Hiroo Hosp., Tokyo, Japan / …
Saitama Medical Center, Saitama Medical Univ., Saitama, Japan  Toshihide Sato

2-2-MT10-5 Screw fixation for pelvic ring injuries using Cone Beam CT………………………… S119
Osaka Prefectural Nakakawachi Emergency and Critical Care Center, …
Osaka Japan  Masafumi Kishimoto

2-2-MT10-6 Is the presence of a concomitant L5 transverse process fracture useful in
predicting patients with unstable pelvic ring fractures requiring massive
blood transfusions?… ……………………………………………………………………… S119
Dept. of Emergency Medicine, Kyorin Univ. School of Medicine / Dept. of Orthop., Surg. …
Kyorin Univ. School of Medicine, Tokyo, Japan  Narisaku Inada

Noontime Lecture 10（12:00 ～ 13:00）
2-2-NL10-1

Chair: H. Inoue

The strategy of Intramedullary nail treatment for femoral trochanteric fracturesin a super-aging society ～ Return to the origins of implants ～… ………………… S515
Tosei General Hosp., Aichi, Japan  Hiroki Yamada

2-2-NL10-2

Gamma4 Intermediate Nail -The New Mid-size Nail created from Stryker's
proprietary “SOMA” system……………………………………………………………… S516
Saitama Red Cross Hosp., Saitama, Japan  Shota Den－ 186 －

Main Theme 11

Acetabular fractures（13:10 ～ 14:10）

Chair: M. Ito

2-2-MT11-1 The outcome of internal fixation of acetabular fractures in late elderly patients…… S120
Nagasaki Univ. Hosp. Trauma Center, Nagasaki, Japan  Mitsuru Doi

2-2-MT11-2 An assessment of postoperative outcomes in acetabular fractures involving
lateral fractures… ………………………………………………………………………… S120
Sakai City Medical Center, Osaka, Japan  Masanori Kawamoto

2-2-MT11-3 Most displaced posterior wall fragment combined with both column fractures
can be managed through single anterior approach… ………………………………… S121
Saitama Medical Center, Saitama, Japan  Yasuhisa Ueda

2-2-MT11-4 Vascular injury in acetabular fractures: Are vascular injuries really rare in
non-high energy trauma cases?…………………………………………………………… S121
Nara Medical Univ. Hosp., Nara, Japan  Hironobu Konishi

2-2-MT11-5 Relationship between post-operative CT reduction assessment of acetabular
fractures and clinical outcomes…………………………………………………………… S122
Gifu Univ. Hosp., Gifu, Japan  Norihide Kanda

2-2-MT11-6 Comparison of ORIF and acute THA for acetabular fractures in patients aged
60 and older… ……………………………………………………………………………… S122
Dept. of Orthop. Surg. Univ. of the Ryukyus, Okinawa, Japan  Mika Takaesu

Debate 2Treatment of infected nonunion（14:15 ～ 15:15）

Infected non union best treatment is the ilizarov method with external fixator!……… S88
Dept. of Traumatology Fukushima Medical Univ., Fukushima, /…
Tokyo D Hosp., Tokyo, Japan  Nobuyuki Takenaka

2-2-D2-2

Masquelet's induced membrane technique for the treatment of infected non-unions:No more external fixators needed for the reconstruction of large bone defects… …… S89
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine / Trauma & Reconstruction Center, …
Teikyo Univ. Hosp., Tokyo, Japan  Yoshinobu Watanabe

Panel Discussion 4

Osteosynthesis using Short Femoral Nail for trochanteric fractures of   the Femur（15:20 ～ 16:50）

Chairs: T. Maehara
S. Kitada

2-2-PD4-1

Reconsider about Short Femoral Nail Methods for Femoral Trochanteric Fracture-Gamma3/4 Nail-… …………………………………………………………………………… S80
Sendai Tokushukai Hosp., Miyagi Japan  Taro Shiba

2-2-PD4-2

Clinical results of the PFNA and TFNA for the pertrochanteric fractures… ……… S81
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Shimpei Kitada－ 187 －

Day 2
Room 2

2-2-D2-1

Chair: A. Mogami

2-2-PD4-3

Availability of the INTERTAN for femoral trochanteric fractures inelderly…………………………………………………………………………………………… S82
Fukuyama City Hosp., Fukuyama, Japan  Chuji Terada

2-2-PD4-4

Nail selection for treatment of trochanteric fractures. What is the reason foryour decision?… ……………………………………………………………………………… S83
Kagawa Rosai Hosp., Kagawa. Japan  Takashi Maehara

2-2-PD4-5

Novel intramedullary nail with innovative mechanism: Hansson DC nail… ………… S84
Fukuoka Orthop. Hosp., Fukuoka, Japan  Masami Tokunaga

2-2-PD4-6

Treatment for femoral intertrochanteric fractures with ASULOCK… ……………… S85
St. Mary's Hosp., Fukuoka, Japan  Shingo Okazaki－ 188 －

Day2・Room 3（Conference Bldg. 2F“Hagi”）
Academy Award / Encouragement Award Candidate Presentation Session（8:30 ～ 9:30）

Chairs: A. Mogami
K. Inokuchi

2-3-AW-1

Relationships between CT value of femoral head before operation and femoral
bone mineral density by DXA… …………………………………………………………… S35
Tsuyama Chuo Hosp., Okayama, Japan  Kosuke Kunitomi

2-3-AW-2

Investigation of the mechanism of fragility fractures of pelvis with the femur position-Finite element analysis-……………………………………………………………………… S35
Teikyo Univ. School of Medicine, Tokyo, Japan  Kunihiko Arakawa

2-3-AW-3

Development of a novel carbon fiber reinforced polyetheretherketone
intramedullary nail –Clinical trial and outcomes–………………………………………… S36
Osaka Univ., Osaka, Japan  Kazuma Takashima

2-3-AW-4

Prevalence of fracture progression in fragility fractures of pelvis: Systematic
review and meta-analysis… ………………………………………………………………… S36
Minato Medical Coop-Kyoritsu General Hosp., Aichi, Japan  Norio Yamamoto

2-3-AW-5

Development and verification of a predictive model for postoperative walking
function in proximal femoral fractures using machine learning………………………… S37
Dept. of Orthop. Surg., Tohoku Univ. School of Medicine, Sendai, Japan  Atsushi Arino

2-3-AW-6

Local antibiotics perfusion (CLAP) on treatment efficacy in fracture-related
infections: A multi-center study… ………………………………………………………… S37
Hyogo Prefectural Kakogawa Medical Center, Kakogawa, Japan / …

Oral 26

Atypical femoral fracture（9:50 ～ 10:40）

Chair: Y. Nakayama

Considerations of open reduction and fixation with bone drilling for atypicalfemoral fractures -Will the secret ingredient (a little effort) work?-………………… S243
Dept. of Orthop. Surg., Komaki Hosp., Miyazaki, Japan  Wataru Komaki

2-3-O26-2

Abnormal findings in contralateral atypical diaphyseal femoral fracture… ……… S243
Iwaki City Medical Center, Fukushima, Japan  Gaku Matsuzawa

2-3-O26-3

A two institution study of predictive factors associated with nonunion in complete
atypical femoral fractures … …………………………………………………………… S244
Osaka General Medical Center, Osaka, Japan  Tatsuji Fujiwara

2-3-O26-4

Treatment results for atypical femoral shaft fractures fixed with antegrade
intramedullary nails………………………………………………………………………… S244
Yonemori Hosp. Trauma Reconstruction Center, Kagoshima, Japan  Koji Katsura

2-3-O26-5

Case series: Atipical femoral fractures… ……………………………………………… S245
Japanese Red Cross Kyoto Daini Hosp., Kyoto, Japan  Takashi Kiba

－ 189 －

Day 2
Room 32-3-O26-1

Day 2
Room 2

CLAP, Himeji, Japan  Shunsuke Takahara

2-3-O26-6

Treatment of atypical femoral fractures combined with ipsilateral hip
osteoarthritis………………………………………………………………………………… S245
Dept. of Orthop. Surg., Kobe Univ. Graduate School of Medicine, …
Kobe, Japan  Tomoaki Fukui

Lecture from Taiwan Orthopaedic Trauma Association president（10:50 ～ 11:50）
2-3-TP-1

Chair: H. Minehara

Treatment Strategy of Distal Humeral Coronal Shear Fracture Based on
Fracture…Classification…………………………………………………………………… S494
Chang Gung Memorial Hosp., The 7th President of TOTA, Taiwan  Ying-Chao Chou

2-3-TP-2

Management of bone defects due to infected non-union or chronic osteomyelitis
with…autologous…non-vascularized…free…fibular…grafts………………………………… S495
Dept. of Orthop., Kaohsiung Veterans General Hosp., Taiwan  Yih-Wen Tarng

Noontime Lecture 11（12:00 ～ 13:00）
2-3-NL11

Chair: A. Mogami

Intramedullary nailing: Present, Past, and Future-Demystifying Common Misconceptions in Fracture Treatment… ………………… S517
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine / Trauma & Reconstruction Center, …
Teikyo Univ. Hosp., Tokyo, Japan  Yoshinobu Watanabe

Oral 27

Fragility fractures 1（13:10 ～ 13:50）
2-3-O27-1

Chair: I. Morohashi

The fracture of extremity on chronic spinal cord injury……………………………… S246
Hokkaido Spinal Injury Center, Hokkaido, Japan  Yasuaki Tojo

2-3-O27-2

Transcatheter arterial embolization (TAE) for pelvic fractures in elderly patients:a comparison of treated and un-treated cases… ……………………………………… S246
Kagoshima City Hosp., Kagoshima, Japan  Ayumi Amatatsu

2-3-O27-3

Outcome of fragility fractures of the pelvis… ………………………………………… S247
Kagawa Prefectural Central Hosp., Takamatsu, Japan  Dai Nakamura

2-3-O27-4

Outcomes of osteoporosis treatment with romosozumab versus bisphosphonatesin patients with proximal femoral fractures… ………………………………………… S247
Dept. of Orthop. Surg., Kanoiwa Hosp., Yamanashi, Japan / …
Dept. of Orthop. Surg., Kyorin Univ. Tokyo, Japan  Masato Nishino

2-3-O27-5

Current status of background factors, treatment, and outcome of osteoporotic
vertebral fractures in our hospital… …………………………………………………… S248
Ibaraki Seinan Medical Center Hosp., Ibaraki, Japan  Yuya Suzu

－ 190 －

Oral 28

Fragility fractures 2（14:00 ～ 14:35）
2-3-O28-1

Chair: S. Nakasone

The association with blood vitamin D levels in patients with fragility fracture
and risk assessment by FRAX…………………………………………………………… S248
Dept. of Orthop. Surg., Yokohama Ekisaikai Hosp. / …
Yokohama Municipal Citizen's Hosp., Kanagawa, Japan  Masamitsu Tomioka

2-3-O28-2

Short-term results of Vertebral Body Stenting (VBS) for osteoporotic vertebral
fractures……………………………………………………………………………………… S249
Yamanashi Prefectural Central Hosp., Kofu, Japan  Hideto Eguchi

2-3-O28-3

Serum 25-hydroxyvitamin-D concentrations, and psoas muscle index in patientswith fragility fractures of the pelvis…………………………………………………… S249
Univ. of Occupational and Environmental Health, Japan, Fukuoka, Japan  Kenji Kosugi

2-3-O28-4

Comparison of skeletal muscle mass between conservative and surgical treatmentgroups in fragility fractures of the pelvis (Rommens classification type 2)………… S250
Tsuyama Chuo Hosp., Okayama, Japan  Kohei Sato

Main Theme 22

Fragility Fractures of Pelvis（15:10 ～ 16:10）

Chair: Y. Ueda

2-3-MT22-1 Evaluation of anterior fixation for fragility fractures of the pelvis (FFPclassification 2c/3c) using 3D finite element analysis… ……………………………… S152
Dept. of Orthop. Surg., Faculty of Medicine, Oita Univ., Oita, Japan  Masahiro Kawagishi

2-3-MT22-2 The treatment outcomes of retrograde pubic ramus screw fixation for Nakatani
type I pubic fractures in Fragility Fracture of the Pelvis… ………………………… S152
Trauma Reconstruction Center, Hosp. of the Univ. of Occupational and …
Environmental Health Japan, Fukuoka, Japan  Yasuaki Okada

Kobe City Medical Center General Hosp., Hyogo, Japan  Tadashi Yasuda

2-3-MT22-4 Evaluation of fragility fractures of the pelvis combined with proximal femoral
fractures……………………………………………………………………………………… S153
Fukuyama City Hosp., Fukuyama, Japan  Junya Kondo

2-3-MT22-5 Three cases of pelvic ring fractures with lumbosacral fusion treated withtransiliac transdiscal screw… …………………………………………………………… S154
Kagawa Prefectural Central Hosp., Kagawa, Japan  Tomoo Inoue

2-3-MT22-6 Risk factors associated with bleeding in low-energy pelvic fractures inelderly patients……………………………………………………………………………… S154
Okayama Univ., Okayama, Japan  Takenori Uehara－ 191 －

Day 2
Room 32-3-MT22-3 Inverse association between sarcopenia and displacement in the early phase offragility fractures of the pelvis…………………………………………………………… S153

Day2・Room 4（Conference Bldg. 2F“Sakura 1”）
Oral 29

Infection, Polytrauma（8:30 ～ 9:20）
2-4-O29-1

Chair: K. Oe

Examination of treatment prognosis for hip dislocation by general treatment… … S250
Okazaki City Hosp., Okazaki, Japan  Naoya Ito

2-4-O29-2

The impact on transfusion therapy with or without multiple injuries of pelvis
or extremities… …………………………………………………………………………… S251
Gifu Univ. Hosp., Gifu, Japan  Takahito Miyake

2-4-O29-3

Analysis of osteomyelitis by Raman spectroscopy using rat osteomyelitis model… … S251
Dept. of Orthop., Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, …
Kyoto, Japan  Shun Fujii

2-4-O29-4

Fracture-related infections treated with reverse sural artery flap:
A series of five cases… …………………………………………………………………… S252
Tohoku Univ.  Hosp. Emergency Center / …
Sendai City Hosp., Sendai, Japan  Atsushi Kogure

2-4-O29-5

Is DAIR with negative pressure wound therapy (NPWT) useful for PJI of thefemoral neck fracture?… ………………………………………………………………… S252
Nagahama Red Cross Hosp., Shiga, Japan  Takashi Honjo

2-4-O29-6

Infectious factors in tibial fractures with compartment syndrome… ……………… S253
Nagasaki Univ. Hosp. Trauma Center, Nagasaki, Japan  Kenji Taguchi

Oral 30

Complications（9:30 ～ 10:20）
2-4-O30-1

Chair: M. Yurimitsu

Investigation of patient awareness regarding hardware removal using a patientquestionnaire………………………………………………………………………………… S253
Komaki City Hosp., Aichi, Japan  Go Sakai

2-4-O30-2

Case report: Fasciotomy using Multiple Interrupted Incision for acutecompartment syndrome of the leg… …………………………………………………… S254
Mito Medical Center, Ibaraki, Japan  Junichiro Morita

2-4-O30-3

Clinical outcomes of modified Judet Quadricepsplasty in post-traumatic
extension contracture of the knee: A study of five patients… ……………………… S254
Jichi Medical Univ., Tochigi, Japan  Hironao Shioiri

2-4-O30-4

Consideration of difficulties of removal of screws……………………………………… S255
Baba Memorial Hosp., Osaka, Japan  Yuta Inoue

2-4-O30-5

Incidence of venous thromboembolism in lower extremity fractures withexternal fixator or skeletal traction……………………………………………………… S255
Obihiro Kosei Hosp., Obihiro, Japan  Zenta Jotoku－ 192 －

2-4-O30-6

The incidence of deep vein thrombosis (DVT) after lower extremity fractures
is higher in patients with low protein S specific activity……………………………… S256
Kumamoto Chuo Hosp., Kumamoto, Japan  Yasuyuki Abe

Main Theme 3

Proximal humeral fractures: HHR/RSA（10:40 ～ 11:50）
2-4-MT3-1

Chair: T. Aizawa

Comparative study of hemiarthroplasty for treatment of proximal humeral
fractures by two different approach……………………………………………………… S96
Kouseiren Takaoka Hosp., Takaoka, Japan  Shumpei Okamoto

2-4-MT3-2

Outcome of reverse shoulder arthroplasty for proximal humeral fracture over
70 years old… ………………………………………………………………………………… S96
Yashima General Hosp., Takamatsu, Japan  Hironori Manabe

2-4-MT3-3

Investigation of reverse total shoulder arthroplasty for dislocated proximal
humerus fractures… ………………………………………………………………………… S97
Kyoto Kyujo Hosp., Kyoto, Japan / …
Kobe City Medical Center General Hosp., Hyogo, Japan  Genji Takehara

2-4-MT3-4

Clinical outcome of reverse total shoulder arthroplasty for proximal humeral
fractures in deltoid palsy… ………………………………………………………………… S97
Chiba Rosai Hosp., Chiba, Japan  Koji Akimoto

2-4-MT3-5

Clinical outcomes of Reverse Total Shoulder Arthroplasty (RSA) for proximal
humerus fractures: An analysis through implant comparison at our hospital… …… S98
Dept. of Orthop. Surg., Juntendo Univ., Shizuoka Hosp., Shizuoka, Japan  Shuichi Moriya

2-4-MT3-6

The outcome of reverse shoulder arthroplasty for proximal humerus fracture……… S98
Tokushima Univ., Tokushima, Japan / NHO Kochi Hosp., Kochi, Japan  Jun Kawamata

2-4-MT3-7

Reverse shoulder arthroplasty for proximal humerus fractures in elderly
patients… ……………………………………………………………………………………… S99
Ise Municipal General Hosp., Mie, Japan  Takahiro Asano

Noontime Lecture 12（12:00 ～ 13:00）

New Development in Syndesmosis Fixation with Fibulink…………………………… S518
Dept. of Musculoskeletal Traumatology, Faculty of Medicine, Dentistry and …
Pharmaceutical Sciences, Okayama Univ., Okayama, Japan  Masanori Yorimitsu

Main Theme 13

Open fractures (Gustilo Ⅲ B)

（13:10 ～ 14:10）

Chair: N. Maegawa

2-4-MT13-1 Outcomes of Gustilo 3B open tibial fractures: 10 years of limb reconstruction
center………………………………………………………………………………………… S126
Shonan Kamakura General Hosp., Kanagawa, Japan  Kentaro Futamura－ 193 －

Day 2
Room 42-4-NL12

Chair: K. Matsui2-4-MT13-2 Reconstruction of Sideswipe elbow… …………………………………………………… S126
Shonan Kamakura General Hosp., Kanagawa, Japan  Kanako Tsuihiji

2-4-MT13-3 A study of open fractures resulting in infection in our hospital… ………………… S127
Niigata City General Hosp., Niigata, Japan  Yoshiaki Suzui

2-4-MT13-4 Investigation of the usefulness of prophylactic use of continuous local
antibiotics perfusion for open fractures of the lower leg……………………………… S127
Nagoya Ekisaikai Hosp., Nagoya, Japan  Yuya Yoshimoto

2-4-MT13-5 Bone reconstruction cases with Masquelet method for Gautilo 3B Tibia open
fracture… …………………………………………………………………………………… S128
Dept. of Musculoskeletal Traumatology and Reconstructive Microsurgery, …
Hiroshima Univ., Hiroshima, Japan  Yuta Hayashi

2-4-MT13-6 Risks of intramedullary nail fixation for Gustilo type IIIB open tibial fractures… … S128
Saitama Medical Center, Saitama Medical Univ., Saitama, Japan  Hokuto Morii

Oral 31

Delayed Union・Nonunion・Mulunion（14:20 ～ 15:00）
2-4-O31-1

Chair: M. Yoshida

Effect of trasnscutaneous carbon dioxide application on acceleration of bonehealing… …………………………………………………………………………………… S256
Hyogo Prefectural Kakogawa Medical Center, Kakogawa, Japan  Shunsuke Takahara

2-4-O31-2

Two case reports of pelvic fracture and acetabular fracture after radiotherapy
for cervical cancer… ……………………………………………………………………… S257
Tsukuba Univ. Hosp., Tsukuba, Japan  Takumi Kurita

2-4-O31-3

Masquelet technique for comminuted open femoral fracture with huge bone
defect………………………………………………………………………………………… S257
Kansai Medical Univ. Hosp. Emergency Medical Center / …
Kansai Medical Univ. Hosp. Dept. of Orthop. Surg., Osaka, Japan  Takuma Yagura

2-4-O31-4

Three cases of chipping corrective osteotomies with intramedullary nail forreconstruction of malunion………………………………………………………………… S258
Kobe Univ. Graduate School of Medicine, Kobe, Japan  Ryota Nishida

2-4-O31-5

Two cases of deformity healing after lower leg fracture treated with deformity
correction by TSF and nail… …………………………………………………………… S258
Showa Univ. Fujigaoka Hosp., Kanagawa, Japan  Yuki Samejima

Main Theme 18

Nonunion・Bone loss

（15:10 ～ 16:20）

Chair: T. Matsumura

2-4-MT18-1 Results of cases of bone defect of the hand and forearm using free vascularized
medial femoral condyle autograft………………………………………………………… S140
Shiraniwa Hosp., Nara, Japan  Yoshitaka Tanaka－ 194 －

2-4-MT18-2 Results of CLON (chipping and lengthening over nailing) technique to treat
shortening, deformity, and nonunion of femur…………………………………………… S141
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

2-4-MT18-3 Results of surgery without local exposure and autologous bone graft to treat
humeral nonunion………………………………………………………………………… S141
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

2-4-MT18-4 A clavicle shaft infectious non-union with bone defect achieved infection control
and anatomical reconstruction: A case report… ……………………………………… S142
Dept. of Orthop., Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, …
Kyoto, Japan  Masafumi Uchida

2-4-MT18-5 Investigation of a new bone regeneration therapy using the Masquelet techniquefor rabbit femoral bone defects…………………………………………………………… S142
Kobe Univ. Graduate School of Mediciner, Kobe, Japan  Yuya Yamamoto

2-4-MT18-6 Bone metabolism and bone healing process of Masquelet technique in a rat
femoral critical sized bone defect model………………………………………………… S143
Trauma Reconstruction Center, Juntendo Univ. Urayasu Hosp., Chiba, Japan / …
Dept. of Orthop., Juntendo Univ. Faculty of Medicine, Tokyo, Japan  Masao Suzuki

2-4-MT18-7 Results of phase I/II clinical trial of BMP-2/artificial bone composite for patientsof long bone fracture nonunions. The second report… ……………………………… S143
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

Day 2
Room 4－ 195 －

Day2・Room 5（Conference Bldg. 2F“Sakura 2”）
JSFR Implant Committee Report

Make use of your prior knowledge of implant materials andtheir characteristics（8:30 ～ 9:30）

Chairs: S. Iwabu
Y. Anraku

2-5-IC-1 ～ 4 …………………………………………………………………………………………………… S34
2-5-IC-1

What Clinicians Are wondering About Implant Materials. Questionnaire results.
Traumatology and Reconstructive Surg. Center, Saiseikai Niigata Kenoh Kikan Hosp., …
Niigata, Japan  Tomomi Fukuhara

2-5-IC-2

Non-metallic implants used in fracture treatme
Kagawa Prefectural Central Hosp., Kagawa, Japan  Tomoo Inoue

2-5-IC-3

Mechanical Characteristics of Implant Metal Materials
Dept. of Orthop. Surg., Graduate School of Medicine, …
Chiba Univ., Chiba, Japan  Yusuke Matsuura

2-5-IC-4

Confirming the Safety of Metals in Orthopedic Implants
Dept. of Orthop. Surg., Sendai City Hosp., Miyagi, Japan  Atsushi Kogure

Educational Lectures 3（9:40 ～ 10:40）
2-5-EL3-1

Chair: T. Sato

The factors of post traumatic osteoarthritis after pilon fracture… …………………… S22
Sagaken Medical Centre KOSEIKAN, Saga, Japan  Takao Mae

2-5-EL3-2

Plate fixation for Pilon fractures via Kesagake approach-Indication and Limitation-…………………………………………………………………… S23
Kaisei Hosp., Kagawa, Japan  Kiyoto Kinugasa

Educational Lectures 4（10:50 ～ 11:50）
2-5-EL4-1

Chair: M. Tokunaga

Treatment of femoral trochanteric fracture with intramedullary nailing… ………… S24
Hyogo Prefectural Awaji Medical Center, Hyogo, Japan  Atsushi Sakurai

2-5-EL4-2

Operation for proximal femoral fracture using CHS-The importance of reduction and examples of adaptation limits-……………………… S25
Kumamoto Orthop. Hosp., Kumamoto, Japan  Takuya Ikuta－ 196 －

Noontime Lecture 13（12:00 ～ 13:00）
2-5-NL13-1

Chair: M. Tokunaga

Preventing swing motion in unstable trochanteric fracture by Hansson DC Nail
(Superior Lock Nail)………………………………………………………………………… S519
Fukuyama City Hosp., Hiroshima, Japan  Chuji Terada

2-5-NL13-2

The effect of advanced dynamization for trochanteric fracture of femur… ……… S520
Kyushu Central Hosp., Fukuoka, Japan  Takahiro Hamada

Educational Lectures 5（13:10 ～ 14:10）
2-5-EL5-1

Chair: H. Minehara

Progress toward a curative treatment for fracture-related infections… ………………… S26
Higashiyamato Hosp., Tokyo, Japan  Toru Hoshi

2-5-EL5-2

Surgical treatment for intractable fracture based on my clinical experience… ………… S27
Yokohamashintoshi Neurosurgical Hosp., Kanagawa Japan  Shu Obara

Educational Lectures 6（14:20 ～ 15:20）
2-5-EL6-1

Chair: T. Kurozumi

Surgical technique for preventing back out of Kirschner wires in tension band
wiring…………………………………………………………………………………………… S28
Saiseikai Utsunomiya Hosp., Tochigi, Japan  Shohei Iwabu

2-5-EL6-2

Intramedullarly nailing The Road to expanded indications-Armed with theoretical arguments-… …………………………………………………… S29
Mishima Central Hosp., Shizuoka, Japan  Hiroaki Nonomiya

Japanese Society for Fracture Repair and Japan Orthopaedic Surgeons Association
Co-sponsored Seminar（15:30 ～ 16:30）
2-5-TS

Chair: Y. Tajiri

Current concept in the treatment of distal radius fractures－ Its issues and perspective －… ……………………………………………………… S485
Okayama Saisiekai General Hosp., Okayama, Japan  Junya Imatani

Day 2
Room 5－ 197 －

Day2・Room 6（Conference Bldg. 3F“Shirakashi 1”）
AO Recon Seminar（9:10 ～ 10:40）
2-6-AO2-1

Chair: M. Ito

Periprosthetic Fractures and Infection…………………………………………………… S489
Orthop. Surg., Center for Musculoskeletal Surg., Charité, Univ. Hosp. …
Berlin, Germany  Carsten Perka

2-6-AO2-2

Principles of treatment for periprosthetic fracture of the hip… …………………… S490
Taipei Veterans General Hosp., Taiwan  Cheng-Fong Chen

2-6-AO2-3

Periprosthetic Fractures Following Total Knee Arthroplasty… …………………… S491
Korea Univ. Medical Center, Seoul, Korea  Seung-Beom Han

Combined Session

Presentation by Korean and Taiwanese Traveling Fellows（10:50 ～ 11:50）
2-6-KT-1

Chair: T. Miyamoto

Posterior pelvic ring injury of straddle fractures: Incidence, fixation methods,
and clinical outcomes… …………………………………………………………………… S496
Gachon Univ. College of Medicine, Korea  Yong-Cheol Yoon

2-6-KT-2

Incomplete diaphyseal atypical femoral fracture due to increased anterolateralbowing: Treatment with corrective osteotomy and intramedullary nailing… …… S497
Kyungpook National Univ. Hosp., Korea  Joon-Woo Kim

2-6-KT-3

Unleashing the Power of Clinical Data Registries: My Seven-Year Journey toTell the Stories of Patients with Hip Fractures………………………………………… S498
Taipei Municipal Wan Fang Hosp., Taiwan  Yu-Pi Chen

2-6-KT-4

Dumontier group 2 radiocarpal fracture-dislocation: The results of open reduction
and fixation without volar ligament repair……………………………………………… S499
E-Da Hosp., Taiwan  Yen-Wei Li

2-6-KT-5

Novel Technique of ligaments Augmentation on Acute Elbow Dislocation of
Our Hospital Experience… ……………………………………………………………… S500
Dept. of Orthop., China Medical Univ. Hosp., Taichung, Taiwan  Chien-Ming Chen

－ 198 －

Noontime Lecture 14（12:00 ～ 13:00）
2-6-NL14-1

Chair: S. Isefuku

Orthopaedic trauma surgeon needs to put effort on secondary fracture
prevention after proximal hip fracture treatment…………………………………… S521
Nagasaki Medical Center, Omura, Japan  Takashi Miyamoto

2-6-NL14-2

Project 48: Part 2-A project that started for early surgery has evolved into high-quality team
medical care–… …………………………………………………………………………… S522
Dept. of Orthop. Surg., Saiseikai Kumamoto Hosp., Kumamoto，Japan  Yoshihisa Anraku

2-6-NL14-3

Regional Medical Cooperation for Prevention of Secondary Fractures… ………… S523
Kitakyushu General Hosp., Fukuoka, Japan  Fumio Fukuda

English Session 4

Upper extremity（13:10 ～ 14:20）

Chairs: S. Lambart
K. Murata

2-6-ES4-1

Differences in bone union period for radius fixation with different strengths
plates for both forearm fractures………………………………………………………… S340
Dept. of Musculoskeletal Traumatology and Reconstructive Microsurgery, …
Hiroshima Univ., Hiroshima, Japan  Yuta Hayashi

2-6-ES4-2

Distal Radius Volar Rim Fracture: Prevention and Salvage of Failure Fixation… …… S340
Kaohsiung Veterans General Hosp., Taiwan  Chun-Yu Chen

2-6-ES4-3

Outcome of surgical cases using the Brodsky approach in scapula body
fractures……………………………………………………………………………………… S341
Yonemori Hosp., Trauma Reconstruction Center, Kagoshima, Japan  Tatsuhiko Muraoka

2-6-ES4-4

Comparative analysis of postoperative rotational malalignment: Cross pinning versus
lateral para-olecranon pinning in pediatric supracondylar humerus fractures… … S341
Nagoya Ekisaikai Hosp., Nagoya, Japan  Satoshi Muto

2-6-ES4-5

Preliminary Report of the Treatment of Greater Tuberosity Fractures in
the Proximal Humerus Using an Anatomical Plate… ………………………………… S342
Kangnam Sacred Heart Hosp., Hallym Univ. Medical Center, Korea  Jung-Youn Kim

2-6-ES4-6

Investigation of the usefulness of Para-tricipital approach in distal humerus
fracture AO type C2… …………………………………………………………………… S342
Nagasaki Univ. Hosp. Trauma Center, Nagasaki, Japan  Iku Tomonaga

2-6-ES4-7

Treatment of transcondylar fractures of the distal humerus in patients aged
80 and over… ……………………………………………………………………………… S343
Eastern Chiba Medical Center / Dept. of Orthop. Surg., Chiba Univ., …
Chiba, Japan  Hiromasa Wakita
Day 2
Room 6－ 199 －

Main Theme 30

Video Session -Surgical procedures-（14:30 ～ 15:30）

Chair: T. Hoshi

2-6-MT30-1 Introduction of a new guide system for glenoid component placement in reverse
total shoulder replacement………………………………………………………………… S174
Mazda Hosp., Hiroshima, Japan  Kazuhiko Kikugawa

2-6-MT30-2 MIPO technique with 2 cm small skin incision for the distal radius fractures… … S175
Yao Tokushukai General Hosp., Yao, Japan  Yoshihiro Dohi

2-6-MT30-3 Adjunctive fixation with intraosseous wiring technique for comminuted distal
radius fracture; A case report… ………………………………………………………… S175
Dept. of Orthop. Surg., Showa Univ. School of Medicine, Tokyo, Japan  Sadaaki Tsutsui

2-6-MT30-4 Intramedullary nail removal after tibial shaft fractures (comparison of patella
eversion technique and patellar tendon split approach)………………………………… S176
Dept. of Orthop. Surg., Fujigaoka Hosp., Showa Univ., …
Kanagawa, Japan  Tomohiro Yasuda

2-6-MT30-5 Surgical technique for static and rapid fixation of posterolateral bone fragments
in femoral trochanteric fracture using OLSA Ⓡ………………………………………… S176
Saiseikai Yokohamashi Tobu Hosp., Kanagawa, Japan  Toshiyuki Yamauchi

2-6-MT30-6 Diagnosis and treatment for compartment syndrome………………………………… S177
Dept. of Emergency and Critical Care Medicine, Kansai Medical Univ. Hosp. / …
Emergency Medical Center, Kansai Medical Univ. Hosp., Osaka, Japan  Kaoru Domoto－ 200 －

Day2・Room 7（Conference Bldg. 3F“Shirakashi 2”）
Day 2
Room 7

Oral 32

Pediatric fractures 1（8:30 ～ 9:05）
2-7-O32-1

Chair: H. Tsuji

Treatment strategies for pediatric supracondylar humeral fractures……………… S259
Yamaguchi Prefectual General Hosp., Yamaguchi, Japan  Masahiro Numa

2-7-O32-2

Surgical outcomes of supracondylar humerus fractures in children:
Early versus delayed with traction……………………………………………………… S259
Matsudo City General Hosp., Chiba, Japan  Fumiya Shimizu

2-7-O32-3

Surgical results for pediatric humerus supracondylar fracture at our hospital…… S260
Chiba Children Hosp., Chiba, Japan  Shun Fukushima

2-7-O32-4

Outcome of treatment of dislocated fractures of the elbow joint in children……… S260
Japanese Red Cross Aichi Medical Center Nagoya Daini Hosp., …
Nagoya, Japan  Atsuya Adachi

Oral 33

Pediatric fractures 2（9:15 ～ 9:55）
2-7-O33-1

Chair: M. Nishiwaki

Surgical outcomes of pediatric lateral humeral condyle fractures treated withtension band wiring………………………………………………………………………… S261
Konan Medical Center, Hyogo, Japan  Shotaro Nakamura

2-7-O33-2

Usefulness of Kirschner wire fixation for pediatric lateral humeral condylefractures……………………………………………………………………………………… S261
Aidu Chuo Hosp. Trauma and Reconstructive Surg. Center, …
Fukushima, Japan  Naoki Kaneko

2-7-O33-3

Surgical treatment of pediatric valgus-impacted elbow fractures…………………… S262
Kainan Hosp., Yatomi, Japan  Yoshimasa Tanaka

2-7-O33-4

Clinical outcomes of pediatric ankle fractures… ……………………………………… S262
Sakai City Medical Center, Sakai, Japan  Atsushi Sugita

2-7-O33-5

Cases of pediatric femoral neck fractures complicated by post-operative
avascular necrosis… ……………………………………………………………………… S263
Hokkaido Univ. / Teine Keijinkai Hosp., Hokkaido, Japan  Mariko Kawamura

Day 2
Room 6－ 201 －

Oral 34

Clavicle fractures 1（10:05 ～ 10:45）
2-7-O34-1

Chair: K. Kikugawa

Osteosynthesis of Scapula fractures using 3D printer………………………………… S263
Kyusyu Rosai Hosp., Fukuoka, Japan  Toshihiro Onizuka

2-7-O34-2

Surgical technique for complex injuries of the shoulder girdle including fractureof the coracoid process… ………………………………………………………………… S264
Japanese Red Cross Narita Hosp., Narita, Japan  Yuta Yokoyama

2-7-O34-3

Osteosynthesis for distal clavicle fractures with small distal fragments by
non-hook locking plate……………………………………………………………………… S264
Dept. of Orthop. Surg., Okayama City Hosp., Okayama, Japan  Seiya Ishihara

2-7-O34-4

Intramedullary screw fixation with a full thread screw for clavicle
diaphysis fractures… ……………………………………………………………………… S265
Toyohashi Municipal Hosp., Toyohashi, Japan  Hiroshi Fukuoka

2-7-O34-5

The outcome of arthroscopic surgery for glenoid rim fracture……………………… S265
Seirei Hamamatsu General Hosp., Hamamatsu, Japan  Masayuki Abe

Oral 35

Clavicle fractures 2（10:55 ～ 11:35）
2-7-O35-1

Chair: Y. Kobayashi

Comparison of general anesthesia and ultrasound-guided interscalene block for
hardware removal after displaced clavicle fractures after bony union…………… S266
Chiba Rosai Hosp., Chiba, Japan  Koji Akimoto

2-7-O35-2

Acromioclavicular joint dislocation with ipsilateral clavicle shaft fracture:
A report of two cases……………………………………………………………………… S266

2-7-O35-3

Relationship between postoperative acromioclavicular joint dislocation andacromioclavicular ligament injury associated with distal clavicle fracture………… S267

Ishikawa Prefectural Central Hosp. Ishikawa, Japan  Ryosuke Ikku

Chugoku Rosai Hosp., Kure, Japan  Mariko Osugi

2-7-O35-4

Two cases of combined treatment of distal clavicle fracture withacromioclavicular ligament repair……………………………………………………… S267
Minami Nara General Medical Center, Nara, Japan  Keisuke Tsujimura

2-7-O35-5

Cases in which a distal clavicle fracture was treated using a suture button……… S268
Nara Prefecture General Medical Center, Nara, Japan  Ko Matsuyama－ 202 －

Fractures around shoulder girdle（13:10 ～ 13:50）
2-7-O36-1

Chair: M. Matsumoto

Bilateral multiple rib fractures with surgical treatment……………………………… S268
Saiseikai Utsunomiya Hosp., Tochigi, Japan  Chiho Oshima

2-7-O36-2

A case of scapula fracture and rib fracture with plate fixation by modified
Judet approach……………………………………………………………………………… S269
Yokohama City Univ. Medical Center, Kanagawa, Japan  Masahiro Matsumoto

2-7-O36-3

Experience in using proximal locking plates for proximal clavicle fractures……… S269
Tokai Univ. Hosp., Kanagawa, Japan  Ryosei Yamamoto

2-7-O36-4

A case of proximal clavicle epiphyseal line injury (posterior dislocation) that
requiring open treatment 2 weeks after injury………………………………………… S270
Maebashi Redcross Hosp., Gunma, Japan  Takahiro Umeyama

2-7-O36-5

Operative management of coracoid process fractures: A case series… …………… S270
Ishikawa Prefectural Central Hosp., Ishikawa, Japan  Kentaro Fujita

Oral 37

Diaphyseal fractures of the radius and ulna

（14:00 ～ 14:35）
2-7-O37-1

Chair: D. Osada

3 cases of atypical ulna fractures………………………………………………………… S271
Tohoku Rosai Hosp., Sendai, Japan  Hiroaki Ogawa

2-7-O37-2

The case report of atypical ulnar fracture by long-term bisphosphonate
therapy… …………………………………………………………………………………… S271
Toyohashi Medical Center, Toyohashi, Japan  Masataka Kato

2-7-O37-3

Henry approach for fixation of proximal third radial shaft fracture… ……………… S272
Shonan Kamakura General Hosp., Kanagawa, Japan  Masayuki Hasegawa

2-7-O37-4

Volar plate fixation for distal metaphysial radius fractures in children… ………… S272
Hokusetsu General Hosp., Osaka, Japan  Naoki Ueda

Oral 38

Tibial fractures 1（14:45 ～ 15:25）
2-7-O38-1

Chair: T. Mae

Tibial pilon fracture without fibular fracture complicates lateral ankle ligament
injury… ……………………………………………………………………………………… S273
Tokyo Metropolitan Bokutoh Hosp., Tokyo, Japan  Aisa Nunome

2-7-O38-2

Closed pilon fractures with impossible wound closure during osteosynthesis… … S273
Okayama City Hosp., Okayama, Japan  Yo Kinami

2-7-O38-3

Several cases of anterior midline incision for bicondylar tibial plateau fractureswith disphyseal-metaphyseal dissociation… …………………………………………… S274
Nippon Medical School, Tokyo, Japan  Hiroaki Shirao－ 203 －

Day 2
Room 7

Oral 36

2-7-O38-4

Factors associated with malalignment of intramedullary nail surgery fortibial fractures… …………………………………………………………………………… S274
Dept. of Orthop., School of Medicine, Jichi Medical Univ., Tochigi, Japan  Jiro Ando

2-7-O38-5

The study of fibular fixation in tibia-fibula fractures… ……………………………… S275
Tokai Univ. School of Medicine Dept. of Orthop., Kanagawa, Japan  Miyu Tamaki

Oral 39

Tibial fractures 2（15:35 ～ 16:15）
2-7-O39-1

Chair: I. Ohno

Outcome of intramedullary nailing with lateral parapatellar approach fortibia fractures… …………………………………………………………………………… S275
Suwa Central Hosp., Chino, Japan  Yuta Shimizu

2-7-O39-2

Tibial nail inserted via the suprapatellar approach can be removed by thesame approach……………………………………………………………………………… S276
Urasoe General Hosp., Okinawa, Japan  Noriaki Nakamura

2-7-O39-3

Experience of rim plate treatment for plateau fracture with lateral depression
type…………………………………………………………………………………………… S276
Nagasaki Univ. Hosp. Trauma Center, Nagasaki, Japan  Shingo Ota

2-7-O39-4

Sliding bone graft for lateral split depression type tibial plateau fractre… ………… S277
Trauma & Reconstruction Center, Southern TOHOKU General Hosp. / …
Dept. of Traumatology, Fukushima Medical Univ., Fukushima, Japan  Motoyuki Takaki

2-7-O39-5

The usefulness of Tibiotalar Nail………………………………………………………… S277
Gifu Univ. Hosp., Gifu, Japan / …
Shonan Kamakura General Hosp., Kanagawa, Japan  Masahiro Ichihashi－ 204 －

Day2・Room 8（Exhibition Bldg. lF“Room 4”）
Day 2
Room 7

Oral 40

Spinal injury（8:30 ～ 9:20）

Postoperative outcomes of BKP for osteoprotic vertebral fractures andinvestigation of secondary vertebral fractures… ……………………………………… S278
Saiseikai Senri Hosp., Osaka，Japan  Yuko Date

2-8-O40-2

Study of thoracolumber fractures due to jumping off injury………………………… S278
Ehime Prefectural Central Hosp., Ehime, Japan  Masaki Nakasuka

2-8-O40-3

The study of posterior fusion of the vertebral body for vertebral fractures… …… S279
Ibaraki Prefectural Central Hosp., Ibaraki, Japan  Masahiro Kosaka

2-8-O40-4

Incidence of vertebral artery injury and symptomatic cerebral infarction in
cervical vertebral dislocation fractures… ……………………………………………… S279
Miyazaki Univ. Hosp., Miyazaki, Japan  Masaru Hiyoshi

2-8-O40-5

Withdraw

2-8-O40-6

Effectiveness of aggressive posterior correction and fixation technique forthoracolumbar junction burst fractures… ……………………………………………… S280
Hiroshima Univ., Hiroshima, Japan  Kazunori Oae

Main Theme 8Ankle fractures（9:30 ～ 10:30）
2-8-MT8-1

Chair: K. Matsui

Pain and screw removal rate depending on plate placement location-A study on the placement of plates for 173 cases-… ………………………………… S111
Shizuoka Red Cross Hosp., Shizuoka, Japan  Tsuyoshi Amemiya

2-8-MT8-2

Validity and reliability of the incisura tangent method, a new fixation method for
distal tibiofibular diastasis associated with ankle fractures…………………………… S111
Chiba Univ. Hosp. / Chiba Medical Center, Chiba, Japan  Toshinari Mashu

2-8-MT8-3

Functional repair of deep deltoid ligament using artificial ligament for complete
rupture of the deltoid ligament in ankle joint fractures… …………………………… S112
Fukushima Medical Univ., Trauma and Reconstructive Center /…
Aidu Chuo Hosp. Reconstruction Center, Fukushima, Japan  Yoshifumi Kawamae

2-8-MT8-4

Clinical result of a new internal fixation method for Maisonneuve fracture with Twohole one Third Tubular locking plate (TTT) fixation… ………………………………… S112
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine / Trauma & Reconstruction Center, …
Teikyo Univ. Hosp., Tokyo, Japan  Ryota Kobayashi

2-8-MT8-5

Correction loss due to immediately weight-bearing and ADL investigation in
Ilizarov external fixator of fragility ankle fractures in elderly patients… ………… S113
Akita Univ. Graduate School of Medicine, Akita, Japan  Koji Nozaka－ 205 －

Day 2
Room 82-8-O40-1

Chair: K. Oae

2-8-MT8-6

Does the presence or absence of tibiofibular fixation affect the treatment
outcomes in AO44C ankle fractures?… ………………………………………………… S113
Kobe City Medical Center General Hosp., Hyogo, Japan  Shinnosuke Yamashita

Main Theme 9

Calcaneus fractures（10:50 ～ 11:50）
2-8-MT9-1

Chair: K. Kinugasa

Postoperative outcomes of calcaneal fractures with plate fixation by sinus
tarsi approach are comparable to those of extended lateral approach……………… S114
Kagawa Prefecture Central Hosp., Kagawa, Japan  Kohei Iwamoto

2-8-MT9-2

Treatment for calcaneal fracture including calcaneocuboid joint… ………………… S114
Dept. of Traumatology, Fukushima Medical Univ. / Trauma & Reconstruction Center, …
Southern TOHOKU General Hosp., Fukushima, Japan  Motoyuki Takaki

2-8-MT9-3

Surgical outcome of Trans-talar pinning fixation for calcaneal fracture… ………… S115
National Hosp. Organization Himeji Medical Center, Himeji, Japan  Shinta Watanabe

2-8-MT9-4

Study on the timing of weight-bearing initiation after locking plate fixation
for calcaneal fractures……………………………………………………………………… S115
Kyoto Okamoto Memorial Hosp., Kyoto, Japan  Daisuke Takada

2-8-MT9-5

The usefulness of early postoperative loading with graffin type contact casts forbilateral calcaneal fractures………………………………………………………………… S116
Kyushu Univ. Hosp., Fukuoka, Japan / Iwata City Hosp., …
Shizuoka, Japan  Yosuke Kuroki

2-8-MT9-6

Calcaneus fractures with fleck sign: A report of three cases………………………… S116
Kakogawa Medical Center, Hyogo, Japan  Kazuaki Kawasaki

Noontime Lecture 15（12:00 ～ 13:00）
2-8-NL15-1

Chair: N. Shiota

The Treatment Strategy for Femoral Trochanteric Fractures to Overcome
Bone Fragility… …………………………………………………………………………… S524
Kyoto Okamoto Memorial Hosp., Kyoto, Japan  Daisuke Takada

2-8-NL15-2

Treatment of femoral trochanteric fractures in a super-aging society……………… S525
Orthop. Surg., Rehabilitation, Japanese Red Cross Ise Hosp., Mie, Japan  Kazuma Okuno

Main Theme 25

Trochanteic femoral fractures in the elderly: Walking analysis・FLS（13:10 ～ 13:50）

Chair: T. Waki

2-8-MT25-1 Prediction of postoperative gait ability examining gluteal muscles in heathy
axillar images of pertrochanteric fractures…………………………………………… S161
Himeji Central Hosp., Hyogo ,Japan  Mitsuaki Noda

2-8-MT25-2 Factors affecting walking function after proximal femoral fracture surgery……… S161
Beruranndo Sougou Hosp., Osaka, Japan  Keiji Iwaisako－ 206 －

2-8-MT25-3 Secondary fracture rates two year after a hip fracture of severe osteoporosis
patients under fracture liaison service… ……………………………………………… S162
Kushiro City General Hosp., Kushiro, Japan  Shun Shimodan

2-8-MT25-4 Progress of patients treated with alendronate for secondary fracture prevention
after proximal femoral fracture surgery………………………………………………… S162

Main Theme 27

Interprofessional Work（For early surgery）（14:10 ～ 15:20）

Chair: F. Fukuda

2-8-MT27-1 Work style reform for local trauma orthopedic surgeons… ………………………… S166
NHO Nagasaki Medical Center, Nagasaki, Japan  Keita Yamaguchi

2-8-MT27-2 Multidisciplinary treatment of pelvic fractures centered on the emergency center:
Efforts toward early surgery and prevention of perioperative complications……… S167
Graduate School of Hiroshima Univ., Hiroshima, Japan  Shinichi Ueki

2-8-MT27-3 Secondary fracture and mortality risk with very high fracture risk osteoporosis
and proximal femoral fracture… ………………………………………………………… S167
Hokkaido Univ., Hokkaido, Japan  Hotaka Ishizu

2-8-MT27-4 Can Liaison therapy of bone metastasis prevent SRE?… ……………………………… S168
Japanese Red Cross Society Wakayama Medical Center, …
Wakayama, Japan  Yasuyuki Tamaki

2-8-MT27-5 Roles and activity results of Nurse Practitioner in fracture treatment… ………… S168
Oume Medical Center, Oume, Japan  Waka Handa

2-8-MT27-6 Initiatives toward early surgery for hip fractures【A look back at 10 years of efforts at our hospital】…………………………………… S169
Nishiwaki Municipal Hosp., Nishiwaki, Japan  Takahiro Fukazawa

2-8-MT27-7 The role of tumor board meetings and treatment outcomes of metastatic
femoral tumors……………………………………………………………………………… S169
The Jikei Univ. Hosp., Tokyo, Japan  Tatsuki Matsuoka－ 207 －

Day 2
Room 8

Kobe Rosai Hosp., Hyogo, Japan  Sota Ogino

Day2・Room 9（Exhibition Bldg. lF“Room 3”）
Oral 41

Fractures of the distal radius and ulna 1（8:30 ～ 9:20）
2-9-O41-1

Chair: K. Naito

The results of the conservative treatment with the progressive manual reduction
and the dorsiflexion position cast to the distal radius fractures……………………… S281
Izumi Orthop. Surg. Hosp., Sendai, Japan  Kazuhiko Koseki

2-9-O41-2

The unstable element of the distal radius fractures is rather the fracture type(transverse fracture? Oblique fracture?) than the degree of the dislocation… …… S281
Izumi Orthop. Surg. Hosp., Sendai, Japan  Kazuhiko Koseki

2-9-O41-3

Devising of the pronator quadratus muscle dissection to cover distal volar locking
plate… ……………………………………………………………………………………… S282
Dept. of Orthop., Juntendo Univ. Faculty of Medicine, Tokyo, Japan  Takamaru Suzuki

2-9-O41-4

Outcomes of combined volar and dorsal locking plate for distal radius fractures…… S282
Baba Memorial Hosp., Osaka, Japan  Makoto Fukuda

2-9-O41-5

Temporary bridging external fixation in distal radius fracture……………………… S283
Japanese Red Cross Kobe Hosp., Kobe, Japan  Minami Matsuhashi

2-9-O41-6
Screw positioning of Stellar D plate for distal radius fractures
	− Comparison with Acu-loc2 −… ……………………………………………………… S283
Otemae Hosp., Osaka, Japan  Hirakazu Murayama

Oral 42

Fractures of the distal radius and ulna 2（9:30 ～ 10:10）
2-9-O42-1

Chair: Y. Imaizumi

Outcome of Clip Pin fixation of open distal ulnar fractures complicated by distal
radius fractures… ………………………………………………………………………… S284
Dept. of Orthop. Surg., Kitakyushu General Hosp., Fukuoka, Japan  Naoki Toba

2-9-O42-2

Outcome of ulnar styloid fracture complicated by distal radius fracture………… S284
Fukui Prefecture Hosp., Fukui, Japan  Masahiro Kidera

2-9-O42-3

Examination of the necessity of internal fixation for distal ulna fracturesassociated with distal radius fractures… ……………………………………………… S285
Saiseikai Shimonoseki General Hosp., Yamaguchi, Japan  Yohei Takahashi

2-9-O42-4

Dislocation of distal radius fracture palmar Barton fracture after repositioning……… S285
Tokuyama Central Hosp., Yamaguchi, Japan  Atsushi Moriya

2-9-O42-5

The surgical management for distal radius fracture in over 80 years old…………… S286
Saiseikai Shimonoseki General Hosp., Shimonoseki, Japan  Yukio Abe－ 208 －

Oral 43

Fractures of the distal radius and ulna 3（10:30 ～ 11:20）
2-9-O43-1

Chair: Y. Zenke

Clinical evaluation related to central sensitization after surgery for distal radius
fractures……………………………………………………………………………………… S286
Dept. of Orthop., Juntendo Univ. Faculty of Medicine, Tokyo, Japan  Kiyohito Naito

2-9-O43-2

Olecranon bone graft for treated of bone loss in distal radial fractures… ………… S287
East Maebashi Orthop. Hosp., Gunma, Japan  Kazuya Kurosawa

Analysis of the relationship between transverse and anteroposterior diameter ofthe radius articular surface and age, height, and weight for selecting implantsof osteosynthesis… ………………………………………………………………………… S287
Dept. of Orthop. Surg., Institute of Medicine, Univ. of Tsukuba, Tsukuba, Japan  Reo Asai

2-9-O43-4

Preventive measures for the development of flexor pollicis longus tendon rupture
after distal radius fracture surgery in our department… …………………………… S288
Nagoya City Univ. East Medical Center, Nagoya, Japan  Yusuke Komoto

2-9-O43-5

Fixed-angle volar locking plate fixations for intra-articular distal radius fractures
make it possible to stabilize VLF, DLF and central depression fragments………… S288
Hitsujigaoka Hosp., Sapporo, Japan  Hideki Tsuji

2-9-O43-6

Surgical treatment for distal radius fractures with ipsilateral arteriovenous shunts;
Report of four cases………………………………………………………………………… S289
Seirei Hamamatsu Hosp., Shizuoka, Japan  Masanori Matsuura

Noontime Lecture 16（12:00 ～ 13:00）
2-9-NL16

Chair: T. Noda

Screw fixations for pelvic and acetabular fractures -Progress and prospects-… … S526
Saitama Medical Center, Kawagoe, Japan  Yasuhisa Ueda

Oral 44

Fractures of the distal radius and ulna 4（13:10 ～ 13:50）
2-9-O44-1

Chair: S. Takahata

Three cases of palmar locking plate fixation without distal screws for palmar
displaced distal radius fractures in children… ………………………………………… S289
St. Marianna Univ. Hosp., Kanagawa, Japan  Koh Terauchi

2-9-O44-2

Results of treatment in patients of distal radius using a novel rugby ball-shaped
β -tricalcium phosphate artificial bone substitute… ………………………………… S290
Showa Univ. Yokohama Northern Hosp., Kanagawa, Japan  Hirotaka Akezuma

2-9-O44-3

Tendon Rupture after volar plate fixation of distal radius fracture………………… S290
Kawasaki Medical School Dept. of Orthop., Traumatology & …
Spine Surg., Kurashiki, Japan  Yoshiyuki Hara

－ 209 －

Day 2
Room 92-9-O43-3

2-9-O44-4

Comparison of surgical treatment results with or without osteoporosis in distal
radius fracture using HTS Stellar plate… ……………………………………………… S291
Sumiya Orthop. Hosp., Wakayama, Japan  Takashi Kitano

2-9-O44-5

Trial of GIFT method for VLP treatment of distal radius fracture and fragment
specific fixation……………………………………………………………………………… S291
Dept. of Orthop. Saiseikai Kawaguchi General Hosp., Saitama, Japan  Tsuyoshi Ota

Oral 45

Femoral neck fractures 1（14:00 ～ 14:50）
2-9-O45-1

Chair: K. Ogawa

Femoral Neck System vs. Hansson Pinloc in the treatment of femoral neckfracture… …………………………………………………………………………………… S292
Kimitsu Chuo Hosp., Chiba, Japan  Hiroki Yamagata

2-9-O45-2

Outcome of open reduction and internal fixation of femoral neck fractures… …… S292
Osaka General Medical Center, Osaka, Japan   Takanori Shimizu

2-9-O45-3

Treatment results of Prima Hip Screw Side Plate Long for femoral neckfractures……………………………………………………………………………………… S293
Nishinomiya Kyouritsu Neurosurgical Hosp., Nishinomiya, Japan  Yuhei Takiuchi

2-9-O45-4

Removal of the implant after internal fixation using Prima Hip Screw Side Plate
system… …………………………………………………………………………………… S293
Higashihiroshima Medical Center, Hiroshima, Japan  Ryo Mori

2-9-O45-5

Operation results of SAAF for femoral neck fracture………………………………… S294
Yuri Kumiai General Hosp., Akita, Japan  Itsuki Nagahata

2-9-O45-6

Is a conventional traction table for osteosynthesis of femoral fractures a viable
alternative to a traction table specialized for total hip arthroplasty through thedirect anterior approach?… ……………………………………………………………… S294
Yokohama Tsurugamine Hosp., Kanagawa, Japan / …
Juntendo Univ. Tokyo, Japan  Seiya Ishii

Oral 46

Femoral neck fractures 2（15:00 ～ 15:40）
2-9-O46-1

Chair: T. Onizuka

Is the reduction position of valgus and retrotorsion maintained in osteosynthesis
for femoral neck fractures?… …………………………………………………………… S295
Chikamori Hosp., Kochi, Japan  Shinjiro Yokota

2-9-O46-2

Short-term outcomes of osteosynthesis with TresLock for non-displaced femoral
neck fractures in the elderly……………………………………………………………… S295
Fukuoka Seisyukai Hosp., Fukuoka, Japan  Daisuke Eno

2-9-O46-3

Risk factors of the complications after osteosynthesis in young patients less than
50 years old with displaced femoral neck fracture… ………………………………… S296
Hamamatsu Univ. School of Medicine, Shizuoka, Japan  Yuki Murakami－ 210 －

2-9-O46-4

Does a femoral subcapital fracture become a postoperative complication risk ofnon-displaced femoral neck fractures?…………………………………………………… S296
Kochi Health Sciences Center, Kochi, Japan  Kazuki Hirose

2-9-O46-5

Characteristics of revision surgery for osteosynthesis in patients with femoral
neck fracture………………………………………………………………………………… S297
Sugita Genpaku Memorial Obama Municipal Hosp., / …
Univ. of Fukui Hosp., Fukui, Japan  Kenichi Takeno

Day 2
Room 9－ 211 －

Day2・Room 10（Exhibition Bldg. lF“Room 2”）
Oral 47

Femoral shaft fractures 1（8:30 ～ 9:10）
2-10-O47-1

Chair: Y. Yagata

Effects of advanced locking screws in intramedullary nails on bone union for
femoral shaft fractures… ………………………………………………………………… S297
Hyogo Emergency Medical Center / Japanese Red Cross Kobe Hosp., …
Kobe, Japan  Genta Fukumoto

2-10-O47-2

Lateral position for treating sub-trochanteric and diaphyseal femoral fracturesusing an intramedullary nail……………………………………………………………… S298
The Jikei Univ. Hosp., Tokyo, Japan  Muneta Kajiwara

2-10-O47-3

Four cases of ipsilateral femoral fractures treated with a single implant… ……… S298
St. Marianna Univ. School of Medicine, Kanagawa, Japan  Kentaro Sato

2-10-O47-4

Clinical outcome after internal fixation for distal femoral fractures in elderly
patients… …………………………………………………………………………………… S299
Suzuka General Hosp., Suzuka, Japan  Masakazu Morikawa

2-10-O47-5

Treatment for femoral and tibia fracture using CLHS……………………………… S299
Kansai Medical Univ. Hosp. Emergency Medical Center / …
Kansai Medical Univ. Hosp. Dept. of Orthop. Surg., Osaka, Japan  Takuma Yagura

Oral 48

Femoral shaft fractures 2（9:20 ～ 10:10）
2-10-O48-1

Chair: T. Wakejima

Clinical results of subtrochanteric femur fractures by less invasive open
reduction and internal fixation…………………………………………………………… S300
Kashiba Seiki Hosp., Nara, Japan  Yoshiharu Kusabiraki

2-10-O48-2

Intramedullary nail fixation using an anterior reduction plate for
subtrochanteric femoral fractures………………………………………………………… S300
Matsudo City General Hosp., Chiba, Japan  Shohei Kojima

2-10-O48-3

Outcome from operation with double plate for distal femur fracture………………… S301
Suwa Central Hosp., Chino, Japan  Satoshi Kawamura

2-10-O48-4

The outcome after implant removal for femoral diapheseal fractures treated withintramedullary nails………………………………………………………………………… S301
Jichi Medical Univ. Hosp., Tochigi, Japan  Yoshiya Nibe

2-10-O48-5

A case series of Fat Embolism Syndrome after fracture………………………………… S302
Miyazaki Prefectural Miyazaki Hosp., Miyazaki, Japan  Ryutaro Kozuma

2-10-O48-6

Early surgical stabilization for femoral shaft fractures and Study of ecases
complicated by fat embolism syndrome………………………………………………… S302
Gifu Univ. Hosp., Gifu, Japan  Yosuke Mizuno－ 212 －

Oral 49

Pathological fractures 1（10:20 ～ 10:55）
2-10-O49-1

Chair: H. Ueda

Study on the number of the days required for the referral of patients withsurgically treated metastatic bone lesions of the femur from Orthopaedic
surgeon to medical oncologists…………………………………………………………… S303
Kyushu Rosai Hosp., Fukuoka, Japan  Tomoya Matsunobu

2-10-O49-2

Roles of orthopaedic surgeon in the treatment of bone metastasis withpathological fracture at a regional hospital……………………………………………… S303
Dept. of Orthop., Rheumatology, Musculoskeletal and Cutaneous Surg., …
Program in Integrated Medicine, Graduate School of Medicine Nagoya Univ., …
Aichi, Japan / Yokkaichi City Hosp., Mie, Japan  Takeo Fujito

Surgical delay in for impending/pathological femoral fractures due to bonemetastasis… ………………………………………………………………………………… S304
Trauma & Reconstruction Center, Teikyo Univ. Hosp. / …
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine, Tokyo, Japan  Ion Kimura

2-10-O49-4

Comparison of survival rates of patients with or without chemotherapy followinginternal fixation of impending/pathological fractures in metastatic femoral bonetumors… …………………………………………………………………………………… S304
Iwate Medical Univ. Hosp., Iwate, Japan  Naotaka Shimatani

Oral 50

Pathological fractures 2（11:05 ～ 11:45）
2-10-O50-1

Chair: K. Momii

Treatment selection and outcomes in patients with metastatic bone tumors of
the proximal femur………………………………………………………………………… S305
Kyushu Rosai Hosp., Fukuoka, Japan  Tatsuya Mori

2-10-O50-2

Verification of the risk of pathological fracture in femoral bone metastases… …… S305
Dept. of Orthop. Surg., The Jikei Univ. School of Medicine, Tokyo, Japan / …
The Jikei Univ. Kashiwa Hosp., Chiba, Japan  Naoya Inagaki

2-10-O50-3

Treatment of radius pathological fractures using HAI Forearm Rod System…… S306
Kumamoto Kenhoku Hosp., Kumamoto, Japan  Yasuhiro Urata

2-10-O50-4

Screw fixation with bone cement for peri-acetabular metastasis:
A report of three cases… ………………………………………………………………… S306
Tokyo Dental College Ichikawa General Hosp., Chiba, Japan  Yuki Aibara

2-10-O50-5

Clinical characteristics and courses in patients with femoral bone metastasis after
palliative radiotherapy… ………………………………………………………………… S307
Nagoya Univ. Hosp., Nagoya, Japan  Tomohisa Sakai－ 213 －

Day 2
Room 102-10-O49-3

Noontime Lecture 17（12:00 ～ 13:00）
2-10-NL17

Chair: E. Chosa

Treatment strategies for osteoporosis after proximal femur fracture……………… S527
Dept. of Orthop., Aizawa Hosp., Nagano, Japan  Hiroyuki Kodaira

Oral 51

Patella fractures（13:10 ～ 13:50）
2-10-O51-1

Chair: A. Nakamura

Comparative study of strong suture method and AI-Wiring System for patella
fractures……………………………………………………………………………………… S307
Kyoto Okamoto Memorial Hosp., Kyoto, Japan  Hajime Mori

2-10-O51-2

Association between implant protrusion and pain after osteosynthesis of patellar
fractures……………………………………………………………………………………… S308
JCHO Hoshigaoka Medical Center, Osaka, Japan  Yukihiko Yasui

2-10-O51-3

Consideration of low patellar position and range of motion after patellar inferiorpole fracture surgery… …………………………………………………………………… S308
Aidu Chuo Hosp. / Fukushima Medical Univ., Trauma and Reconstructive Center, …
Fukushima, Japan  Yutaka Otake

2-10-O51-4

Double bend tension band wiring technique for patellar fractures… ……………… S309
Saitama City Hosp., Saitama, Japan  Satoshi Oki

2-10-O51-5

The clinical outcomes of the "Sunflower Method" with the new Pin Sleeve Systemfor patellar fractures… …………………………………………………………………… S309
Hyogo Prefectural Harima Himeji General Medical Center, Himeji, Japan  Yu Fujiwara

Oral 52

Fractures and dislocations of the midfoot and forefoot（14:00 ～ 14:40）
2-10-O52-1

Chair: M. Kishimoto

Indicators of screw insertion into sustentaculum tali of calcaneal fracture… ……… S310
Dept. of Orthop. Surg., Okayama Red Cross Hosp., Okayama, Japan  Yusuke Mochizuki

2-10-O52-2

Consideration of fragility fracture of calcaneus………………………………………… S310
Kanmon Medical Center, Yamaguchi, Japan  Tetsu Tsubone

2-10-O52-3

Early postoperative loading with graffin type contact cast for bilateral calcaneal
fractures: 3 cases… ………………………………………………………………………… S311
Iwata City Hosp., Shizuoka, Japan / Kyushu Univ. Hosp., Fukuoka, Japan  Yosuke Kuroki

2-10-O52-4

2 cases of internal infection using mesh plate for proximal phalanx pseudarthrosisof the great toe……………………………………………………………………………… S311
Dept. of Orthop. Surg., Kobe Univ. Graduate School, Kobe, Japan  Hyuma Kondo

2-10-O52-5

Augmented fixation in 5th metatarsal shaft fractures with cerclage wiring in
conjunction with antegrade intramedullary Kirschner wiring fixation… ………… S312
Dept. of Orthop. Surg., Showa Univ. School of Medicine, Tokyo, Japan  Sadaaki Tsutsui－ 214 －

Oral 53

Calcaneus fractures（14:50 ～ 15:30）
2-10-O53-1

Chair: K. Sasajima

Role of the intrafocal pin in reducing calcaneal fractures……………………………… S312
Dept. of Orthop. Surg., Okayama Red Cross Hosp., Okayama, Japan  Yusuke Mochizuki

2-10-O53-2

Reduction using destruction device for calcaneus fracture cases…………………… S313
Dept. of Musculoskeletal Traumatology and Reconstructive Microsurgery, Hiroshima Univ., …
Hiroshima, Japan  Yuta Hayashi

2-10-O53-3

Surgical outcome for intraarticular calcaneus fractures-Effects of coexisting calcaneocuboid intraarticular fracture-………………………… S313
Rakusai-Shimizu Hosp., Kyoto, Japan  Kei Tanaka

2-10-O53-4

Yokohama Shintoshi Neurosurgery Hosp., Yokohama, Japan  Taisuke Yoneya

2-10-O53-5

Lag screw and plate augmentation for beak type calcaneus fracture;
2 case reports… …………………………………………………………………………… S314
Japanese Redcross Maebashi Hosp., Maebashi, Japan  Takaya Kubozuka－ 215 －

Day 2
Room 10

Two case reports of surgical treatment for calcaneal beak fracture (possibilityof staged operation for reducting skin depression in emergency room)… ………… S314

Day2・Room 11（Exhibition Bldg. lF“Room 1”）
Oral 54

Humerus keaphyseal fractures（8:30 ～ 9:10）
2-11-O54-1

Chair: M. Matsuda

Traumatic radial nerve palsy complicated with humerus fracture… ……………… S315
Japanese Red Cross Nagoya Daini Hosp., Nagoya, Japan  Koki Miyagawa

2-11-O54-2

Treatment experience of humeral shaft fractures with LCP Metaphseal Plateby anterior approach… …………………………………………………………………… S315
Kansai Rosai Hosp., Amagasaki, Japan  Junta Kikuchi

2-11-O54-3

Ender nail treatment for pediatric humeral shaft fracture…………………………… S316
Hanwa Memorial Hosp., Osaka, Japan  Hiroyuki Takeuchi

2-11-O54-4

Clinical results of anterior approach plating for distal-third humeral shaft
fractures……………………………………………………………………………………… S316
Ishikawa Prefectural Central Hosp., Ishikawa, Japan  Masamichi Kishida

2-11-O54-5

Pseudarthrosis after intramedullary nail surgery in humeral diaphyseal fracture:Three case reports… ……………………………………………………………………… S317
Dept. of Orthop. Surg., Kitasato Univ. School of Medicine, …
Kanagawa, Japan  Shintaro Shoji

Oral 55

Distal humerus fractures（9:20 ～ 9:55）
2-11-O55-1

Chair: T. Sano

6 cases of fixation of distal humeral diaphysis fractures with Broad LC-LCP plate
metaphyseal… ……………………………………………………………………………… S317
The Jikei Univ. Kashiwa Hosp., Chiba, Japan / …
Dept. of Orthop. Surg., The Jikei Univ. School of Medicine, Tokyo, Japan  Go Nishizawa

2-11-O55-2

Intramedullary nail fixation for distal one third humeral fractures… ……………… S318
Kishiwada Tokushukai Hosp., Kishiwada, Japan  Satoshi Hayashi

2-11-O55-3

Small skin incision Acutrak screw fixation for distal humeral fractures in elderly
patients… …………………………………………………………………………………… S318
Senen Rihu Hosp., Sendai, Japan  Yoshihiko Kato

2-11-O55-4

Two cases of displacement and subsequent union after fixation with tension band
wiring with ring pins for olecranon osteotomy………………………………………… S319
Funabashi Municipal Medical Center, Chiba, Japan  Takeru Ohara

Oral 56

Fractures around the elbow（10:00 ～ 10:50）
2-11-O56-1

Chair: S. Iwabu

Kirschner wire double bending technique is effective in preventing wire back-out
in tension band wiring for olecranon fractures………………………………………… S319
Saiseikai Utsunomiya Hosp., Tochigi, Japan  Shohei Iwabu－ 216 －

2-11-O56-2

The surgical strategy for coronal shear fractures of the distal humerus based on
fracture pattern……………………………………………………………………………… S320
Japanese Red Cross Aichi Medical Center Nagoya Daini Hosp., …
Aichi, Japan  Hideyoshi Sawada

2-11-O56-3

Two cases of compound fractures of the coronoid process of the ulna andolecranon… ………………………………………………………………………………… S320
Hand and Microsurgery Center, Dept. of Orthop. Surg., …
Seikeikai Hosp., Osaka, Japan  Kodai Okano

2-11-O56-4

On-table technique for comminuted fractures of the radial head… ………………… S321
Shonan Kamakura General Hosp., Kanagawa, Japan  Masayuki Hasegawa

2-11-O56-5

Post-operative heterotopic ossiﬁcation associated with radial head fracture… …… S321
Nagoya Ekisaikai Hosp., Nagoya, Japan  Satoshi Niwa

2-11-O56-6

Postoperative outcome after open reduction and internal fixation of triceps
tendon avulsion fracture of the humerus using the Suture bridge technique… … S322
Suita Municipal Hosp., Osaka, Japan  Kohei Mitani

Hand fractures (Phalangeal bone fractures, carpal bone fractures) 1（11:00 ～ 11:50）
2-11-O57-1

Chair: K. Ikeda

Operative treatment for nonunion of the proximal scaphoid………………………… S322
Nakadori General Hosp., Akita, Japan  Seietsu Senma

2-11-O57-2

Outcome of arthroscopic bone grafting for delayed scaphoid nonunion between
6 weeks and less than 3 months post-injury… ………………………………………… S323
Showa Univ. Yokohama Northern Hosp., Kanagawa, Japan  Keikichi Kawasaki

2-11-O57-3

Radiological feature of the carpometacarpal joint in hamate body fractures:
Diagnosis using versatile anteroposterior hand X-ray images………………………… S323
Iiduka Hosp., Fukuoka, Japan  Yusuke Kubo

2-11-O57-4

Intrafocal pinning for epiphyseal injury of proximal phalangeal base in children…… S324
Shonan Central Hosp., Fujisawa, Japan  Masayoshi Ikeda

2-11-O57-5

Effects of locking plate positioning for metacarpal shaft fractures on the
postoperative range of finger motion… ………………………………………………… S324
Niigata Hand Surgery Foundation, Niigata, Japan  Takuma Kuroda

2-11-O57-6

Treatment for metacarpal neck fractures by intramedullary Kirschner-wires
fixation… …………………………………………………………………………………… S325
Kitakyushu General Hosp,, Fukuoka, Japan  Toshinari Iiyama－ 217 －

Day 2
Room 11

Oral 57

Noontime Lecture 18（12:00 ～ 13:00）

Chair: S. Ozeki

2-11-NL18-1 Surgical strategies taking advantage of the features of the medartis® platesystem… …………………………………………………………………………………… S528
Univ. of Tsukuba Hosp., Ibaraki, Japan  Yohei Yanagisawa

2-11-NL18-2 Subtle Lisfranc injury and Lisfranc fracture-dislocation: current concept… ……… S529
St. Marianna Univ. Yokohama Seibu Hosp., Kanagawa, Japan  Naoki Haraguchi

Oral 58

Hand fractures (Phalangeal bone fractures, carpal bone fractures) 2（13:10 ～ 13:50）
2-11-O58-1

Chair: K. Kawasaki

Percutaneous pinning for mallet fracture by using two extension block…………… S325
Sen-en Rifu Hosp., Saitama, Japan  Kazushige Hasegawa

2-11-O58-2

Surgical Treatment for PIP intraarticular fracture with modified hook plate… … S326
Dept. of Orthop. Surg., Showa Univ. School of Medicine / …
Showa Univ. Koto Toyosu Hosp. Tokyo, Japan   Yusuke Higashiyama

2-11-O58-3

Treatment for dorsal fracture desilocation of PIP joints combined withdepression fragment used by fook-plate (Kawano prosedure)… …………………… S326
Kohsei General Hosp., Hiroshima, Japan  Masaaki Kawano

2-11-O58-4

Treatment for dorsal fracture dislocations of proximal interphalangeal joints
with extension block and mini screw… ………………………………………………… S327
Saitama Medical Center, Saitama, Japan / …
International Shinzenfukushi General Hosp., Kanagawa, Japan   Kozo Morita

2-11-O58-5

Surgical mobilization for traumatic extension contracture of proximal
interphalangeal joint… …………………………………………………………………… S327
Ichinomiyanishi Hosp., Aichi, Japan  Toshihiro Kanda

Oral 59

Prevention・epidemiology, Treatment outcome assessment methods（14:00 ～ 14:40）
2-11-O59-1

Chair: K. Morikawa

Investigation of the time required for osteoporosis treatment intervention to
impact the incidence of proximal femur fractures… ………………………………… S328
Dept. of Orthop. Surg., Yokohama Municipal Citizen's Hosp. / Yokohama Ekisaikai Hosp. / …
Yokohama City Univ., Yokohama, Japan  Hiroshi Fujimaki

2-11-O59-2

Impact of COVID-19 on orthopedic trauma patients during the pandemic from2021 to 2022: Comparison with the prepandemic period……………………………… S328
Saiseikai Shiga Hosp., Shiga, Japan  Shinsuke Morisaki

2-11-O59-3

Patient-reported outcomes of lower limb open fractures in the elderly utilizing
the database of orthopaedic trauma by the Japanese Society for Fracture
Repair………………………………………………………………………………………… S329
Sakai Medical Center, Sakai, Japan  Ikko Ohno

－ 218 －

2-11-O59-4

A study of pain assessment of low profile screws in TNAdvanced Ⓡ used fortibial shaft fracture… ……………………………………………………………………… S329
Saitama Red Cross Hosp., Saitama, Japan  Shota Den

2-11-O59-5

A study of total hip arthroplasty after failed treatment of proximal fracture… ……… S330
Shizuoka Sekijuuji Hosp., Shizuoka, Japan  Tadataka Eimoto

Day 2
Room 11－ 219 －