Day1・Po1（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Day 1
Po1

Poster 1

Clavicle fractures 1（14:30 ～ 15:00）
1-Po1-P1-1

Chair: M. Yamada

Difficult case of a displaced distal clavicular fracture with small fragment………… S344
Kurobe City Hosp., Toyama, Japan  Kiyoshi Sakai

1-Po1-P1-2

Complications of open reduction and internal fixation (ORIF) for midshaft
clavicle fracture and cases of refracture after plate removal………………………… S344
Mito Saiseikai General Hosp., Ibaraki, Japan / Saiseikai Niigata Kenoh Kikan Hosp. / …
Niigata Univ., Niigata, Japan  Yuma Yoshida

1-Po1-P1-3

Two cases of sternal fractures treated with surgical treatment… ………………… S345
Showa Univ. Northern Yokohama Hosp., Dept. of Orthop. Surg., …
Kanagawa, Japan  Yuho Fukuda

1-Po1-P1-4

Clinical results of osteosynthesis for the distal clavicle fracture with
the Clavicle Wiring Plate PLUS… ……………………………………………………… S345
National Hosp. Organization Toyohashi Medical Center, …
Toyohashi, Japan  Satoshi Takeuchi

1-Po1-P1-5

A case of specular neurotomy and osteophysectomy for suprascapular nerve
injury associated with scapular fracture………………………………………………… S346
Hiroshima Prefectural Hosp., Hiroshima, Japan  Yuki Mitani

1-Po1-P1-6

Three cases of scapular and clavicular internal fixation for floating shoulder… …… S346
Dept. of Orthop. Surg., Nagoya City Univ. East Medical Center, Nagoya, Japan  Yuji Joyo

Poster 2

Clavicle fractures 2（15:05 ～ 15:30）
1-Po1-P2-1

Chair: S. Matsuda

Surgical results for scapula body fractures at our hospital…………………………… S347
Hiroshima Prefectural Hosp., Hiroshima, Japan  Ryosuke Matsushita

1-Po1-P2-2

A case of segmental bipolar clavicle fracture… ……………………………………… S347
Nishinomiya Kyouritsu Neurosurgical Hosp., Nishinomiya, Japan  Shotaro Nishikawa

1-Po1-P2-3

A case of internal fixation of a fracture of the base of the coracoid process
associated with a fracture of the clavicle diaphysis with a good outcome… ……… S348
Chubu Rosai Hosp., Aichi, Japan  Kenshiro Fukui

1-Po1-P2-4

Short-term results of distal clavicle fracture by using CW Plate PLUS… ………… S348
Saiseikai Yokohama City Nambu Hosp., Kanagawa, Japan  Shu Sato

1-Po1-P2-5

Treatment with HOYA Silky plate for distal clavicle fracture with small distalbone fragment… …………………………………………………………………………… S349
Takanohara Central Hosp. / Nara Medical Univ., Nara, Japan  Yoshiyuki Ishimoto
Day 1
Room 11－ 171 －

Poster 3

Humerus fractures（15:35 ～ 16:05）
1-Po1-P3-1

Chair: T. Mondori

Fracture through the anatomical neck of the humerus with dislocation of thehead…………………………………………………………………………………………… S349
Kosei Hosp., Tokyo, Japan  Hideto Maruno

1-Po1-P3-2

Continuous local antibiotic perfusion is useful for acute fracture related infectionof proximal humerus fracture… ………………………………………………………… S350
Nagoya City Univ. East Medical Center, Nagoya, Japan  Satoshi Okumura

1-Po1-P3-3

Plate fixation for fracture of the greater tuberosity of the humerus at our
hospital… …………………………………………………………………………………… S350
Kirishima Medical Center, Kagoshima, Japan  Yoshiyuki Masuda

1-Po1-P3-4

A case of posterior shoulder dislocation with ipsilateral humeral shaft fracture… … S351
Yonemori Hosp. Trauma Reconstruction Center, Kagoshima, Japan  Manabu Yamashita

1-Po1-P3-5

A case of reverse shoulder arthroplasty for malunion after surgery for proximal
humerus fracture…………………………………………………………………………… S351
Kindai Univ. Hosp., Osaka, Japan  Koichi Nakagawa

1-Po1-P3-6

Ender nailing of acute fracture of the adult diaphyseal humerus…………………… S352
Kansai Rosai Hosp., Amagasaki, Japan  Yasuto Sasaki

Poster 4

Pediatric humerus fracture（16:10 ～ 16:35）
1-Po1-P4-1

Chair: K. Asami

A case report of child abuse with old multiple fractures, diagnosed as a result ofa humeral shaft fracture…………………………………………………………………… S352
Yao Municipal Hosp., Osaka, Japan  Masanori Kaneko

1-Po1-P4-2

Elastic Stable Intramedullary Nail (ESIN) in pediatric long-bone fractures:
Retrospective cohort study… …………………………………………………………… S353
Kimitsu Chu-oh Hosp., Chiba, Japan  Yuji Noguchi

1-Po1-P4-3

Elbow dislocation with an associated lateral condyle fracture of the humerus andan osteochondral flap fracture of the olecranon in a child… ………………………… S353
Tosei General Hosp., Aichi, Japan  Naoya Imura

1-Po1-P4-4

Trochlear nonunion and elbow joint contracture after pediatric humeral lateralcondylar fracture: A case report… ……………………………………………………… S354
Houju Memorial Hosp.,  Ishikawa, Japan  Shingo Takagawa

1-Po1-P4-5

A case of pediatric lateral humeral condyle fracture combined with ipsilateralolecranon fracture… ……………………………………………………………………… S354
Shin-yurigaoka General Hosp., Kanagawa, Japan  Tadashi Kameyama－ 172 －

Diaphyseal fractures of the radius and ulna

（16:40 ～ 17:00）
1-Po1-P5-1

Chair: S. Ichihara

Post-operative fracture after rotational osteotomy of the radius for congenitalradioulnar synostosis: A case report… ………………………………………………… S355
Yamagata Univ. Hosp., Yamagata, Japan  Hiroshi Satake

1-Po1-P5-2

Implant impingement-induced heterotopic ossification after plate fixation
for diaphyseal forearm fractures: A case report… …………………………………… S355
JCHO Hoshigaoka Medical Center, Osaka, Japan  Hayate Hanakusa

1-Po1-P5-3

A case of forearm shaft fracture requiring 3 years and 4 months for bone union… … S356
Tohoku Kosai Hosp., Sendai, Japan  Satoshi Kotajima

1-Po1-P5-4

A case of acute plastic deformity of the forearm in an adult………………………… S356
Soo Medical Association Hosp., Kagoshima, Japan  Keishiro Onishi－ 173 －Day 1
Po1

Poster 5

Day1・Po2（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 6

Fractures of the distal radius and ulna 1（14:30 ～ 15:00）
1-Po2-P6-1

Chair: K. Murata

What does temporary external fixation improve for comminuted distal radius
fractures?… ………………………………………………………………………………… S357
Miyazaki Univ. Hosp., Miyazaki, Japan  Hiroyuki Imazato

1-Po2-P6-2

A factor of severity for dorsal angurated distal radius fracture… ………………… S357
Iwate Medical Univ., Iwate, Japan  Kotaro Sato

1-Po2-P6-3

Costal cartilage graft for distal radius fracture using Lister's tubercle osteotomy… … S358
Iwate Medical Univ., Iwate, Japan  Kotaro Sato

1-Po2-P6-4

Characteristics of fracture types and clinical outcomes of distal radius fractures
treated with three types of volar locking plates: Proximal, distal, and Rim… …… S358
Ishinkai Yao General Hosp., Osaka, Japan  Takeshi Katayama

1-Po2-P6-5

Distally placed plates are necessary for volar locking plate fixation of volar
displaced distal radius fractures -Comparison of proximally and distally placedplates… ……………………………………………………………………………………… S359
Dept. of Orthop. Surg., Dokkyo Medical Univ., Tochigi, Japan  Ryotaro Otaka

1-Po2-P6-6

Transstyloid radiocarpal dislocation；Report of a case… …………………………… S359
Gifu Prefectural Tajimi Hosp., Tajimi, Japan  Yasutaka Oshika

Poster 7

Fractures of the distal radius and ulna 2（15:05 ～ 15:30）
1-Po2-P7-1

Chair: K. Moriya

Case report: Potential of Euloc, a novel internal fixation device for distal radius
and ulna fractures… ……………………………………………………………………… S360
Kagawa Univ., Kagawa, Japan  Akinobu Kawada

1-Po2-P7-2

A case of distal radius fracture complicated by radial artery injury… …………… S360
Gifu Prefectual Tajimi Hosp., Gifu, Japan / …
Chutoen General Medical Center, Shizuoka, Japan  Tomoki Fujita

1-Po2-P7-3

A case of an open comminuted fracture of the distal radius in an elderly patient
treated with a distraction plate… ………………………………………………………… S361
Mejiro Second Hosp., Tokyo, Japan  Tomoaki Konda

1-Po2-P7-4

Treatment with bone graft from olecranon for distal radius fracture Fernandez
classification type 4: A case report… …………………………………………………… S361
Nakadori General Hosp., Akita, Japan  Yusuke Yuasa

1-Po2-P7-5

Combined dorsal Barton and Chauffer's fracture with volar dislocation of the
distal radioulnar joint: A case report… ………………………………………………… S362
Fukuoka Tokushukai Hosp., Fukuoka, Japan  Shinnosuke Harushima－ 174 －

Poster 8

Hand fractures (Phalangeal bone fractures, carpal bone fractures) 1（15:35 ～ 16:00）
1-Po2-P8-1

Chair: K. Nakayama

North Osaka Housenka Hosp., Osaka, Japan  Koki Hosozawa

1-Po2-P8-2

Two cases of bony mallet finger treated with micro-screw fixation………………… S363
Edogawa Hosp., Tokyo, Japan  Hiroyuki Izumida

1-Po2-P8-3

Case report: A case of unicondylar fracture of the proximal phalanx of the little
finger Weiss classification class 3 treated with open reduction and fixation… …… S363
Shizuoka City Shimizu Hosp., Shizuoka, Japan  Hiroki Kita

1-Po2-P8-4

A case of primary artificial finger joint replacement for proximal phalanx
bicondylar fracture in an elderly patient… …………………………………………… S364
Dept. of Orthop. Surg., Hand Center, Obihiro Kosei Hosp., Obihiro, Japan  Mitsutoshi Ota

1-Po2-P8-5

Two cases that required open reduction of the dislocation fracture of theinterphalangeal joint of the thumb due to the volar plate……………………………… S364
Kawanishi City Medical Center, Kawanishi, Japan  Takuto Hashimoto

Poster 9

Hand fractures (Phalangeal bone fractures, carpal bone fractures) 2（16:05 ～ 16:35）
1-Po2-P9-1

Chair: S. Senma

Scaphoid nonunion over 37 years… ……………………………………………………… S365
Nakadori General Hosp., Akita, Japan  Seietsu Senma

1-Po2-P9-2

Treatment experience with dislocation repair and fixation of pisiform bonedislocation associated with distal radius fracture in a child… ……………………… S365
Hokusetsu General Hosp., Osaka, Japan  Koshiro Shimbo

1-Po2-P9-3

A case of dislocated finger PIP joint fracture with small bone fragments
treated using DDA2 Ⓡ……………………………………………………………………… S366
Akashi City Hosp., Hyogo, Japan  Taisuke Watanabe

1-Po2-P9-4

A case of surgical treatment of PIP joint stress fracture in a climber……………… S366
Yamaguchi Prefectural Grand Medical Center, Yamaguchi, Japan  Yuji Saeki

1-Po2-P9-5

Experience of Graft on Flap method for amputation of the fingertip… …………… S367
Mitoyo General Hosp., Kagawa, Japan  Masahiro Kiyono

1-Po2-P9-6

Vascularized metacarpal bone head grafting for incomplete proximal amputationof the middle finger and comminuted fracture of the second metacarpal head:
Case report… ……………………………………………………………………………… S367
International Goodwill Hosp., Kanagawa, Japan  Ikko Koike－ 175 －Day 1
Po2

Treatment of osteomyelitis of the distal interphalangeal joint following Seymour
fracture with antibiotic-impregnated calcium phosphate paste granules:
Two case reports…………………………………………………………………………… S362

Day1・Po3（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 10

Atypical femoral fracture（14:30 ～ 15:00）

Chair: T. Fujiwara

1-Po3-P10-1 A case of atypical femoral fracture after prolonged withdrawal of zoledronic acid…… S368
Ishikiri Seiki Hosp., Osaka, Japan  Toshiki Minato

1-Po3-P10-2 Tension band plating to treat nonunion of bowing atypical femoral shaft fracture.
A case report… …………………………………………………………………………… S368
Hyogo Prefectural Nishinomiya Hosp., Nishinomiya, Japan  Takahiro Niikura

1-Po3-P10-3 A case of atypical femoral subtrochonteric nonunion fracture treated using
augmentation plating… …………………………………………………………………… S369
Yamaguchi Prefectural Grand Medical Center / …
Yamaguchi Univ., Yamaguchi, Japan  Takehiro Kawakami

1-Po3-P10-4 A case of prophylactic plate fixation of an incomplete femoral fracture withfeatures of atypical femoral fracture with Paget's disease of bone… ……………… S369
Ishikawa Prefectural Central Hosp., Ishikawa, Japan  Taiga Ueki

1-Po3-P10-5 CT-based finite element analysis of femoral shaft valgus osteotomy for impending
atypical femoral fracture in a severely bowed femur… ……………………………… S370
Dept. of Orthop. and Spinal Surg., Graduate School of Medical and Dental Sciences, …
Tokyo Medical and Dental Univ., Tokyo, Japan  Sara Sugiura

1-Po3-P10-6 A case of atypical femoral fracture occurring distal to the stem that failed toachieve bone union and was treated with the femoral stem of tumor prosthesis…… S370
Japanese Red Cross Ise Hosp., Mie, Japan  Hironori Date

Poster 11

Delayed Union・Nonunion・Mulunion 1（15:05 ～ 15:25）

Chair: S. Y. Lee

1-Po3-P11-1 A case report of the reconstructive surgery of the traumatic clavicle non-union
using free vascularized fibula graft……………………………………………………… S371
Hitsujigaoka Hosp. / Sapporo Tokushikai Hosp., Hokkaido, Japan  Hirotada Matsui

1-Po3-P11-2 A case of ulnar pseudoarthrosis that healed by prolotherapy withhypertonic dextrose………………………………………………………………………… S371
Dept. of Orthop., Juntendo Univ. Faculty of Medicine, / …
Hada Clinic of Internal Medicine, Tokyo, Japan  Shinnnosuke Hada

1-Po3-P11-3 A case of invasive treatment of an atypical ulnar fracture pseudoarticulation… … S372
Shizuoka Red Cross Hosp., Shizuoka, Japan  Shutaro Makita

1-Po3-P11-4 A case of re-fracture in a healed distal radius fracture with shortening deformity
treated by computer simulation… ……………………………………………………… S372
Anjo Kosei Hosp., Aichi, Japan  Tomoyasu Kitami－ 176 －

Poster 12

Delayed Union・Nonunion・Mulunion 2（15:35 ～ 16:05）

Chair: M. Suzuki

1-Po3-P12-1 A case report: Re-fractured atypical fracture of the subtrochanteric femur… …… S373
Osaka Red Cross Hosp., Osaka, Japan  Tatsuya Sueyoshi

1-Po3-P12-2 Case of nonunion of penetrated trochanteric fracuture… …………………………… S373
National Hosp. Organization Tokyo Medical Center, Tokyo, Japan  Teppei Hayashi

Hyogo Medical Univ., Dept. of Orthop. Surg., Nishinomya, Japan  Masaaki Onishi

1-Po3-P12-4 Salvage for nail breakage in a patient with surgery for subtrochanteric nonunion:
A case report… …………………………………………………………………………… S374
Gifu Prefectural General Medical Center, Gifu, Japan  Hiroyuki Tanahashi

1-Po3-P12-5 Chipping technique for femoral shaft nonunion with hip osteoarthritis… ………… S375
Kochi Medical School, Kochi, Japan  Syo Deguchi

1-Po3-P12-6 A case report of two non-isthmal femoral shaft nonunions treated bydecortication and augmentation plate…………………………………………………… S375
Dept. of Orthop. Surg., Hirosaki Univ. Graduate School of Medicine, …
Hirosaki, Japan  Hiroya Ono

Poster 13

Delayed Union・Nonunion・Mulunion 3（16:10 ～ 16:35）

Chair: T. Fujiyoshi

1-Po3-P13-1 Double plate fixation for nonunion of fracture after non-vascularized fibular
graft… ……………………………………………………………………………………… S376
Gunma Univ. Hosp., Gunma, Japan  Yuhei Hatori

1-Po3-P13-2 Experience with platelet-rich plasma therapy for non-union fractures after
intramedullary nail surgery… …………………………………………………………… S376
Dept. of Orthop., Juntendo Univ. Faculty of Medicine, / …
Hada Clinic of Internal Medicine, Tokyo, Japan  Shinnnosuke Hada

1-Po3-P13-3 Nonunion with rotational deformity after pediatric femoral shaft fracture………… S377
Kobe Univ. Hosp., Kobe, Japan  Yohei Kumabe

1-Po3-P13-4 Early surgery with an additional screw in intramedullary nail and bone grafting
for poor bone fusion of a distal femur fracture in an elderly patient… …………… S377
NHO Takasaki General Medical Center, Takasaki, Japan  Atsufumi Oshima

1-Po3-P13-5 A case of post operative infection in the distal femur open fracture treatedby the Masquelet method and required reconstruction again… …………………… S378
Central Japan International Medical Center, Gifu, Japan  Shigeo Kanamori－ 177 －Day 1
Po3

1-Po3-P12-3 The usefulness of exchange nailing and augmentation plating in pseudoarthrosisof femoral shaft fractures… ……………………………………………………………… S374

Day1・Po4（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 14

Pelvic ring fractures 1（14:30 ～ 14:55）

Chair: N. Inada

1-Po4-P14-1 A case of transverse sacral fracture (suicidal jumper's fracture) reduced withhyperextension using external fixator on the same day of injury and internal
fixation of the pelvis secondarily… ……………………………………………………… S378
Saiseikai Fukuoka General Hosp., Fukuoka, Japan  Takuro Yara

1-Po4-P14-2 A case of asymmetric bilateral hip dislocation after a traffic accident……………… S379
Shizuoka Red Cross Hosp., Shizuoka, Japan  Shotaro Akao

1-Po4-P14-3 Treatment results for pelvic ring fracture (AO61C) at our hospital… ……………… S379
Nagoya Medical Center, Nagoya, Japan  Yusuke Iesaki

1-Po4-P14-4 Comparison of the usefulness of percutaneous screw fixation versus definitive
external fixation for unstable pelvic ring fractures… ………………………………… S380
Japanese Red Cross Society Kyoto Daini Hosp., Kyoto, Japan  Mitsuhiro Iwamoto

1-Po4-P14-5 A case of vertical shear pelvic fracture with Morel-Lavallee lesion… …………… S380
Japanese Red Cross Medical Center, Tokyo, Japan  Ryosuke Koshio

Poster 15

Pelvic ring fractures 2（15:00 ～ 15:25）

Chair: A. Oizumi

1-Po4-P15-1 Open pelvic fracture and associated uretheral, ractal and vaginal injuries:
A case report… …………………………………………………………………………… S381
Japanese Red Cross Kumamoto Hosp., Kumamoto, Japan  Takuya Shiroshita

1-Po4-P15-2 A case of surgical treatment of an acute apophyseal avulsion fracture of theischial tuberosity… ………………………………………………………………………… S381
Saitama Red Cross Hosp., Saitama, Japan  Takeshi Nakada

1-Po4-P15-3 A case in which conservative therapy was successful for a dislocated ischial
tubercle fissure fracture…………………………………………………………………… S382
Dept. of Orthop. Surg., Showa Univ. School of Medicine, Tokyo, Japan  Naoya Seo

1-Po4-P15-4 Investigation of the mechanism of fragile iliac fracture in the elderly byfinite element method……………………………………………………………………… S382
Teikyo Univ. School of Medicine, Tokyo, Japan  Kunihiko Arakawa

1-Po4-P15-5 Mechanical comparison of internal fixation methods in pelvic ring fracturesusing finite element methods……………………………………………………………… S383
Yamaguchi Univ., Yamaguchi, Japan  Toshihiro Seki

－ 178 －

Poster 16

Fragility Fractures of Pelvis（15:30 ～ 16:00）

Chair: T. Ohata

1-Po4-P16-1 A case of pelvic insufficiency fractures after radiation therapy for cervicalcancer………………………………………………………………………………………… S383
Sakai City Medical Center, Osaka, Japan  Yuka Hara

1-Po4-P16-2 A case of screw replacement for sacroiliac joint dysfunction after trans iliac transsacral screw fixation for fragility fracture of the pelvis… …………………………… S384
Japanese Red Cross Medical Center, Tokyo, Japan  Yuko Yagi

1-Po4-P16-3 A case report of FFPs (Rommens type 4c) treated by 360 degree fixation and
PTH administration………………………………………………………………………… S384
Shikoku Medical Center for Children and Adults, Kagawa, Japan  Takahiro Sasa

Tokyo Medical Center, Tokyo, Japan  Naoki Muroya

1-Po4-P16-5 Posterior plate fixation for pelvic ring fractures… …………………………………… S385
Fukui Prefectural Hosp., Fukui, Japan  Tomonori Misaki

1-Po4-P16-6 A study of outcomes in cases of Fragility Fractures of the Pelvis (FFP) treatedwith spinal instrumentation… …………………………………………………………… S386
Seirei Hamamatsu Hosp., Shizuoka, Japan  Fumihiro Inoue

Poster 17

Acetabular fractures（16:05 ～ 16:40）

Chair: T. Horii

1-Po4-P17-1 Results of acetabular fracture treatment and assessment of arthropathy… ……… S386
Dept. of Orthop. Surg., Showa Univ. School of Medicine, Tokyo, Japan  Yuki Usui

1-Po4-P17-2 Two cases of anterior and posterior wall fractures in acetabular fractures… …… S387
East Chiba Medical Center, Chiba, Japan  Satoshi Yoh

1-Po4-P17-3 Retrograde posterior column screws in acetabular fractures at our hospital……… S387
Hiroshima Prefectural Hosp., Hiroshima, Japan  Tatsuhiko Saiki

1-Po4-P17-4 A case of nonunion following left acetabular fracture surgery… …………………… S388
Komaki City Hosp., Aichi, Japan  Yudai Mizoguchi

1-Po4-P17-5 The usefulness of an anterior-posterior combined approach for acetabular
fractures……………………………………………………………………………………… S388
Tokyo Metropolitan Bokutoh Hosp., Tokyo, Japan  Tomotaka Morikawa

1-Po4-P17-6 Surgical outcomes for traumatic posterior dislocation fractures of the hip joint… … S389
JCHO Tokuyama Central Hosp., Yamaguchi, Japan  Kazunori Tamura

1-Po4-P17-7 Acute THA for a acetabular fracture complicated by COVID-19: A case report… … S389
Kanto Central Hosp., Tokyo, Japan  Yoshiyuki Akasaka－ 179 －Day 1
Po4

1-Po4-P16-4 A case of fragility fractures of the sacrum with tardive bladder bowel
dysfunction… ……………………………………………………………………………… S385

Day1・Po5（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 18

Ankle fractures 1（14:30 ～ 15:00）

Chair: Y. Okada

1-Po5-P18-1 A case of reconstruction of the external articular surface of an open fracture of
the ankle joint with rib costal cartilage graft…………………………………………… S390
Sakai City Medical Center, Osaka, Japan  Takuya Tamada

1-Po5-P18-2 A case of lateral malleolus ankle fracture with third fragment in an elderly
patient treated with screw fixation……………………………………………………… S390
Funabashi Municipal Medical Center, Chiba, Japan  Takako Nakajima

1-Po5-P18-3 Postoperative results of medial and lateral approach for ankle malleolar
fractures with posterior malleolar fragment… ………………………………………… S391
Aso General Hosp., Kawasaki, Japan  Taizen Uchida

1-Po5-P18-4 Reduction and fixation technique for Maisonneuve fractures to obtain dynamic
ankle joint stability… ……………………………………………………………………… S391
Dept. of Traumatology, Fukushima Medical Univ. /…
Trauma & Reconstruction Center, Southern TOHOKU General Hosp., …
Fukushima, Japan  Shota Harada

1-Po5-P18-5 Double Maisonneuve Fracture with Weber type A distal fibula fracture:
A case report… …………………………………………………………………………… S392
Teikyo Univ. Hosp., Tokyo, Japan  Akiko Sakai

1-Po5-P18-6 Comparison of clinical outcomes between posterior lateral and lateral plate forType B Weber lateral malleolus fractures……………………………………………… S392
Saiseikai Shigaken Hosp., Shiga, Japan  Yasutaka Sotozono

Poster 19

Ankle fractures 2（15:05 ～ 15:35）

Chair: K. Kanazawa

1-Po5-P19-1 Surgical results of ankle fractures in the elderly… …………………………………… S393
Fukuoka Seisyukai Hosp., Fukuoka, Japan  Kazuki Kanazawa

1-Po5-P19-2 The comminution of the fibula fracture in the ankle malleolar fracture isassociated with the open fractures… …………………………………………………… S393
Trauma & Reconstruction Center, Teikyo Univ. Hosp. / Dept. of Orthop. Surg., …
Teikyo Univ. School of Medicine, Tokyo, Japan  Tomoaki Kurashige

1-Po5-P19-3 A case of Bosworth type ankle dislocation fracture with non-orthroscopic
dislocation repair…………………………………………………………………………… S394
St. Marianna Medical Univ., Kanagawa, Japan  Rintaro Niki

1-Po5-P19-4 A case of open lateral ankle ligament injury…………………………………………… S394
Dept. of Orthop. Surg., Akita Univ. Graduate School of Medicine, Akita, Japan  Keita Oya－ 180 －

1-Po5-P19-5 Withdraw
1-Po5-P19-6 Tibiotalar arthrodesis with antegrade intramedullary nailing for Charcot
ankle arthropathy due to ankle fracture: A case report……………………………… S395
Sendai City Hosp., Miyagi, Japan  Genta Shimizu

Poster 20

Fractures and dislocations of the midfoot and forefoot 1（15:40 ～ 16:05）

Chair: N. Kodama

1-Po5-P20-1 Subtalar open dislocation injured by failed landing while playing volleyball;
A case report… …………………………………………………………………………… S396
Kumamoto Kenhoku Hosp., Kumamoto, Japan  Yurina Yoshimura

1-Po5-P20-2 A case of open comminuted fracture of the talar body treated with open
reduction and internal fixation…………………………………………………………… S396
Saga-ken Medical Centre Koseikan, Saga, Japan  Takayuki Sasaki

1-Po5-P20-3 Case report; Talar neck fracture fixed lateral plate…………………………………… S397
Sainou Hosp., Toyama, Japan / …

1-Po5-P20-4 A case of navicular fracture treated with locking plate and zip tight……………… S397
Miyazaki Prefectural Miyazaki Hosp., Miyazaki, Japan  Keigo Masuda

1-Po5-P20-5 A case of scaphoid fracture with depressed bone fragments and cuboid
fracture treated with external fixation and plate……………………………………… S398
Dept. of Orthop. Surg., Omagari Kousei Medical Center, Akita, Japan  Soma Sugawara

Poster 21

Fractures and dislocations of the midfoot and forefoot 2（16:10 ～ 16:35）

Chair: M. Otsuka

1-Po5-P21-1 Isolated sustentaculum tali fracture with stress fracture-like symptoms caused
by low energy mechanism………………………………………………………………… S398
Nishiwaki Municipal Hosp., Nishiwaki, Japan  Toshiki Shima

1-Po5-P21-2 Case report: Treatment of calcaneal beak fracture using CCS (Cannulated
Cortical Screw) with TBW (Tension Band Wiring) fixation… ……………………… S399
Dept. of Orthop. Surg., Teikyo Univ. School of Medicine / …
Trauma & Reconstruction Center, Teikyo Univ. Hosp., Tokyo, Japan  Hirono Ojima

1-Po5-P21-3 A case of Calcaneal fracture-dislocation………………………………………………… S399
Nissin Orido Hosp., Aichi, Japan / …
East Maebashi Orthop. Hosp., Gunma, Japan  Akira Oshima

1-Po5-P21-4 The case of Lisfranc dislocation fracture treated with locking plate… …………… S400
NHO Saitama Hosp., Saitama, Japan / Keio Univ., Tokyo, Japan  Hiroki Kobayashi

1-Po5-P21-5 A study on the diagnosis of foot compartment syndrome associated with
Lisfranc joint dislocation fracture………………………………………………………… S400
Ohmihachiman Comunity Medical Center, Shiga, Japan  Kensaku Kuga

－ 181 －Day 1
Po5

Dept. of Orthop. Surg., Chiba Univ. Hosp., Chiba, Japan  Keito Yoshino

Poster 22

Fractures and dislocations of the midfoot and forefoot 3（16:40 ～ 17:05）

Chair: K. Uenaka

1-Po5-P22-1 A case report; The New Suture-bridge technique for avulsion fracture ofcalcaneus… ………………………………………………………………………………… S401
Osaka General Medical Center, Osaka, Japan  Masataka Kiyomoto

1-Po5-P22-2 A case of a 14-year-old boy with an avulsion fracture of the base of the firstmetatarsal… ………………………………………………………………………………… S401
Hyogo Prefectural Awaji Medical Center, Hyogo, Japan  Takehiro Konishi

1-Po5-P22-3 A case of traumatic dislocation of the MTP joint treated with contemplative
dislocation repair…………………………………………………………………………… S402
Nara Prefecture General Medical Center, Nara, Japan  Sayaka Wakiyama

1-Po5-P22-4 A case report of nonunion after proximal phalanx fracture in 5th toe treatedwith open reduction and internal fixation… …………………………………………… S402
Edogawa Hosp., Tokyo, Japan  Hiroyuki Izumida

1-Po5-P22-5 A case of dislocation of the IP joint of the big toe with seed bone depression
repaired using K-wire……………………………………………………………………… S403
Otemae Hosp., Osaka, Japan  Yusuke Toda

－ 182 －

Day2・Po1（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 23

Elbow fractures（9:00 ～ 9:40）

Chair: S. Yoshida2-Po1-P23-1 A case of pediatric elbow divergent dislocation with radial head fracture………… S403
Tsukuba Medical Center Hosp., Tsukuba, Japan  Syou Terajima

2-Po1-P23-2 A case of transolecranon fracture-dislocation in a child treated conservatively…… S404
Funabashi Municipal Medical Center, Chiba, Japan  Ryo Suzuki

2-Po1-P23-3 Two cases of trans olecranon fracture dislocation (MI classification Type-A I)
treated with plate fixation and tension-band wiring augmentation… ……………… S404
Japanese Red Cross Society Kyoto Daiichi Hosp., Kyoto, Japan  Ryo Morisawa

2-Po1-P23-4 Three cases of medial epicondyle fractures in children with different
pathologies…………………………………………………………………………………… S405
Gunma Univ. Hosp., Gunma, Japan  Koichiro Yanai

2-Po1-P23-5 Osteosysnthesis of olecranon avulsion fracture using Krackow technique andSuture Bridge technique; A case report………………………………………………… S405
National Hosp. Organization Saitama Hosp., Saitama, Japan  Nana Masumoto

2-Po1-P23-6 Treatment with suture bridge technique for subctaneous triceps tendon ruptureaccompanied by olecranon avulsion fracture: A case report… ……………………… S406
Dept. of Orthop. Surg., Ohta-Nishinouchi Hosp., Fukushima, Japan  Yukio Ueno

2-Po1-P23-7 A case of olecranon avulsion fracture treated with Mclaughlin-cerclage using
artificial ligament…………………………………………………………………………… S406
Kyoto Prefectural Univ. of Medicine, Kyoto, Japan  Yusei Katsuyama

2-Po1-P23-8 A case report of distal humeral shaft fracture in an elderly patient withchronic elbow dislocation… ……………………………………………………………… S407
Dept. of Orthop. Surg., Hirosaki Univ. Graduate School of Medicine, …
Hirosaki, Japan  Yuki Fujita

Poster 24

Spinal injury（9:45 ～ 10:20）

Chair: M. Uesugi

2-Po1-P24-1 Outcomes of treatment for Hangman's fracture type 2………………………………… S407
Saitama Medical Univ., Saitama, Japan  Tadashi Yahata

2-Po1-P24-2 Study of deviation rate of cervical pedicle screw insertion using X-ray
fluoroscopy…………………………………………………………………………………… S408
St Mary's Hosp., Fukuoka, Japan  Kotaro Jimbo

2-Po1-P24-3 Effect of early surgery on vertebral fractures associated with diffuse idiopathic
skeletal hyperostosis (DISH) in very elderly patients… ……………………………… S408
Fujimoto General Hosp., Miyazaki, Japan  Toshiki Kamiya－ 220 －

2-Po1-P24-4 Expierience of mesenchymal stem cell‒based therapy in the patient of L1
dislocation fracture… ……………………………………………………………………… S409
Kanmon Medical Center, Yamaguchi, Japan / …
Sapporo Medical Univ., Hokkaido, Japan  Michio Shinohara

2-Po1-P24-5 Chance fracture in an elderly patient with Diffuse idiopathic skeletal
hyperostosis treated by double endplates penetrating screw technique…………… S409
Hyogo Medical Univ. / Sasayama Medical Center, …
Hyogo Medical Univ., Hyogo, Japan  Tomoyuki Kusukawa

2-Po1-P24-6 A case of early sacral laminectomy for sacral fracture accompanied byneuropathy………………………………………………………………………………… S410
Hyogo Prefectural Awaji Medical Center, Hyogo, Japan  Satoru Tanaka

2-Po1-P24-7 Treating vertebral fracture with Diffuse Idiopathic Skeletal Hyperostosis………… S410
Suita Municipal Hosp., Suita, Japan  Ayumi Shimazu

Poster 25

External fixation（10:30 ～ 10:50）

Chair: N. Takenaka

2-Po1-P25-1 Two cases of unexpected anterior subluxation of the ankle joint during elevation
with Kickstand……………………………………………………………………………… S411
Funabashi Municipal Medical Center, Chiba, Japan  Takeru Ohara

Dept. of Orthop., Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, …
Kyoto, Japan  Takashi Seya

2-Po1-P25-3 Pin-site care and infection rate for external fixation at our hospital………………… S412
Tosei General Hosp., Aichi, Japan  Shun Miyashita

2-Po1-P25-4 Ankle arthrodesis using Ilizarov external fixator for ankle fracture:
A case report… …………………………………………………………………………… S412
Saitama Medical Univ. International Medical Center, Saitama, Japan  Yumi Arai

Poster 26

Rehabilitation（11:00 ～ 11:25）

Chair: T. Ishikura

2-Po1-P26-1 A case of surgical treatment for an avulsion fracture of the ischial tuberosity…… S413
Okazaki City Hosp., Okazaki, Japan  Takahiro Fukuyama

2-Po1-P26-2 The case report of modified Dubert method for plate fixation of the base of the
4th and 5th metacarpal bone……………………………………………………………… S413
Osaka General Medical Center / Orthop. Surg. Osaka Univ. …
Graduate School of Medicine, Osaka, Japan  Daiki Yamamoto

2-Po1-P26-3 Ultrasound-guided treatment to improve postoperative joint contracture………… S414
Niigata Rousai Hosp., / Niigata Central Hosp., Niigata, Japan  Yohei Sakai－ 221 －Day 2
Po1

2-Po1-P25-2 A case of acute shortening and gradual lengthening with intramedullary nail for
postoperative infection of Pilon fracture… ……………………………………………… S411

2-Po1-P26-4 A case of a right upper arm, right lower leg, and left thigh amputee who
summited Mt. Fuji… ……………………………………………………………………… S414
Teikyo Univ. Hosp., Tokyo, Japan  Keisuke Ishii

2-Po1-P26-5 Early versus late weight bearing after surgical treatment of malleolus ankle
fractures……………………………………………………………………………………… S415
Dept. of Orthop. Surg. (Ohashi), School of Medicine, …
Toho Univ., Tokyo, Japan  Mai Nakamura－ 222 －

Day2・Po2（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 27

Femoral Trochanteric fractures 1（9:00 ～ 9:25）

Chair: M. Abe

2-Po2-P27-1 Case study: Cut out occurred after femoral trochanteric fracture surgery………… S415
Dept. of Orthop. Surg., Japanese Red Cross Ogawa Hosp., Saitama, Japan  Ryuji Horikoshi

2-Po2-P27-2 Causes and treatment of intramedullary nail breakage in femoral
intertrochanteric fracture… ……………………………………………………………… S416
Shonan Kamakura General Hosp., Kanagawa, Japan / …
Sapporo Tokushukai Hosp., Hokkaido, Japan  Yuta Izawa

2-Po2-P27-3 Preoperative hip CT scan in patients with femoral trochanteric fractures can be
DISH screening……………………………………………………………………………… S416
Maebashi Red Cross Hosp., Maebashi, Japan  Junki Suzuki

2-Po2-P27-4 Two cases of femoral trochanteric fracture accompanied by sever aortic valve
stenosis treated with fascia iliana compartment blockochanteric fracture………… S417
Oita Univ. Hosp. / Oita Nakamura Hosp., Oita, Japan  Tomonori Sakamoto

2-Po2-P27-5 How has implant selection for femoral trochanteric fractures changed in the past
decade?… …………………………………………………………………………………… S417
Chikamori Hosp., Kochi, Japan  Takashi Inokuchi

Femoral Trochanteric fractures 2（9:30 ～ 10:00）

Chair: T. Inui

Day 2
Po1

Poster 28

2-Po2-P28-1 Treatment of trochanteric femoral fractures using bioactive augmentation… …… S418
2-Po2-P28-2 Biplar hip arthropathy with Zweymuller stem and Cable Grip System to femoral
trochanteric fracture without posterior support… …………………………………… S418
Ehime Rosai Hosp., Ehime, Japan  Hayato Terasaki

2-Po2-P28-3 A case of exchange nailing with TFNA cement augmentation system for femoral
pertrochanteric delayed union due to short femoral nail breakage… ……………… S419
JA Hiroshima Kouseiren Onomichi General Hosp., Hiroshima, Japan  Masaki Matsuura

2-Po2-P28-4 Postoperative outcome of intertrochanteric fracture of the femur(AO classification 31A3)… ………………………………………………………………… S419
Shikoku Medical Center for Children and Adults, Kagawa, Japan  Eiji Morikawa

2-Po2-P28-5 Relationship between fracture type and osteoporosis medications in femoral
intertrochanteric fractures………………………………………………………………… S420
Shikoku Medical Center for Children and Adults, Kagawa, Japan  Masashi Shimamura

2-Po2-P28-6 Osteosynthesis with a locking plate for a femoral trochanteric fracture related to
crowe type IV developmental dysplasia of the hip… ………………………………… S420
Kyushu Rosai Hosp., Fukuoka, Japan  Katsuhiro Esaki－ 223 －Day 2
Po2

Hyogo Medical Univ., Nishinomya, Japan  Akihiro Yamashita

Poster 29

Femoral Trochanteric fractures 3（10:05 ～ 10:35）

Chair: S. Kanezaki

2-Po2-P29-1 Investigation of the usefulness of cement augmentation in femoral trochantericfracture… …………………………………………………………………………………… S421
Kanmonn Medical Hosp., Yamaguchi, Japan  Takanori Yonehara

2-Po2-P29-2 Clinical outcome and safety of TFNA Cement Augmentation in trochantericfractures……………………………………………………………………………………… S421
Sanda City Hosp., Hyogo, Japan  Satsuki Ishimura

2-Po2-P29-3 Radiological evaluation of intravascular cement leakage in TFNA cement
augmentation system… …………………………………………………………………… S422
Kouseiren Takaoka Hosp., Takaoka, Japan  Taisuke Yamamoto

2-Po2-P29-4 Augmented Trochanteric Fixation Nail-Advanced versus InterTAN nail fortreating trochanteric fractures…………………………………………………………… S422
Muroran City General Hosp., Hokkaido, Japan  Yuzuru Sakakibara

2-Po2-P29-5 Does the difference in cementation in TFNA cement augmentation for femoral
trochanteric fractures depend on the degree of osteoporosis?… …………………… S423
Baba Memorial Hosp., Osaka, Japan  Shogo Shibata

2-Po2-P29-6 Effectiveness of TFNA cement augmentation for unstable femoral trochantericfracture… …………………………………………………………………………………… S423
Dept. of Orthop Surg., Tokyo Shinagawa Hosp., Tokyo, Japan  Daisuke Nakayama

Poster 30

Femoral Trochanteric fractures 4（10:40 ～ 11:10）

Chair: Y. Kawakami

2-Po2-P30-1 Clinical results of the new compression hip screw; Oblique Locking Hip
Screw………………………………………………………………………………………… S424
Shinyurigaoka General Hosp., Kawasaki, Japan  Shota Nakagawa

2-Po2-P30-2 Treatment result of Twinhook for femoral trochanteric fracture…………………… S424
Chikamori Hosp., Kochi, Japan  Kazutaka Oda

2-Po2-P30-3 Fixation of posterior lateral fragment of trochanteric femoral fractures using
APOLLOFIX………………………………………………………………………………… S425
Taoka Hosp., Tokushima, Japan  Junji Ohnishi

2-Po2-P30-4 Investigation of posterior wall bone fragment of femoral trochanteric fracture～ How do the posterior wall bone fragments move and bring about clinicalchanges with Nail treatment alone ～…………………………………………………… S425
Ibaraki Prefectural Central Hosp., Ibaraki, Japan  Hiroshi Hayashi

2-Po2-P30-5 142mm MIYABI-Nail for Japanese elderly; Clinical results of 382 cases～ Nail's CoronalSwingMotion improves bone union ～……………………………… S426
Ibaraki Prefectural Central Hosp., Ibaraki, Japan  Hiroshi Hayashi－ 224 －

2-Po2-P30-6 Case report: Total hip arthroplasty for unstable intertrochanteric fracture-A case of application of SAAF (Safe Anterior Approach with Fracture table)…… S426
Koshinkai Shiomidai Hosp., Yokohama, Japan  Kurato Jonishi

Poster 31

Femoral Trochanteric fractures 5（11:15 ～ 11:45）

Chair: A. Sato

2-Po2-P31-1 Short-term outcomes of UNICORN NAIL Y blade for femoral trochantericfractures……………………………………………………………………………………… S427
Sanda City Hosp., Hyogo, Japan  Katsuhiro Ito

2-Po2-P31-2 Spread of calcium phosphate paste filled from the lag screw into the femoral
head…………………………………………………………………………………………… S427
JCHO Gunma Central Hosp. / Gunma. Univ., Gunma, Japan  Satoshi Nonaka

2-Po2-P31-3 Surgical treatment of femoral trochanteric fractures using Hansson DC Nailsystem… …………………………………………………………………………………… S428
Hanwa Memorial Hosp., Osaka, Japan  Hiroyuki Takeuchi

2-Po2-P31-4 The use of an intramedullary nail (Hansung DC Nail) that dynamizes in the boneaxis direction may reduce the chance of intraoperative reduction… ……………… S428
Steel Memorial Muroran Hosp., Muroran, Japan  Ryo Andou

2-Po2-P31-5 Short-term treatment results of femoral trochanteric fractures using Gamma 4…… S429
Hitachi Medical Center Hosp., Ibaraki, Japan  Tomomi Tsumuraya

2-Po2-P31-6 Results of internal fixation with middle length nails for unstable femoral
trochanteric fractures……………………………………………………………………… S429
Jichi Medical Univ. Hosp., Tochigi, Japan  Haruto Mitsunaga
Day 2
Po2

－ 225 －

Day2・Po3（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 32

Femoral neck fractures（9:00 ～ 9:40）

Chair: Y. Tamaki

2-Po3-P32-1 Clinical results of treatment for hip fracture…………………………………………… S430
Musashino Red Cross Hosp., Tokyo, Japan  Yoshiyasu Kokubo

2-Po3-P32-2 The effectiveness of Safe Anterior Approach with Fracture Table (SAAF) for
THA… ……………………………………………………………………………………… S430
Shonan Atsugi Hosp., Kanagawa, Japan  Hiromitsu Oya

2-Po3-P32-3 A study of the association between site-specific bone mineral density andfracture site in the femur of patients with proximal femur fractures… …………… S431
Yokohama Ekisaikai Hosp., Kanagawa, Japan  Takeshi Kurakane

2-Po3-P32-4 The affect caused by withdrawal Sodium-Glucose Cotaransporter 2 before
proximal femoral fracture… ……………………………………………………………… S431
Kochi Prefectural Hata Kenmin Hosp., Kochi, Japan   Daiki Kishi

2-Po3-P32-5 Case reports of ORIF for femoral head fracture by high energy traffic accident…… S432
Japanese Red Cross Kyoto Daini Hosp., Kyoto, Japan  Hiroki Yamamoto

2-Po3-P32-6 Case report: Bilateral femoral incomplete fractures potentially associated with
SSBT during long-term anti-resorptive agent therapy… …………………………… S432
Asahi Rousai Hosp., Aichi, Japan  Kento Hayashi

2-Po3-P32-7 SAAF (Safe Anterior Approach with Fracture table) technique for femoral
neck fractures performed by one surgeon……………………………………………… S433
Oomagari Kosei Medical Center, Daisen, Japan  Yosuke Iwamoto

2-Po3-P32-8 Variation and outcome in the use of cemented vs. cementless stems in bipolar
hemiarthroplasty of femoral neck fractures… ………………………………………… S433
Yonemori Hosp. Trauma Reconstruction Center, Kagoshima, Japan  Shinsuke Kojima

Poster 33

Proximal femoral fractures in the elderly 1（9:45 ～ 10:15）

Chair: S. Matsushima

2-Po3-P33-1 Early change of reduction in femoral intertrochanteric fracture as a predictor of
Excessive sliding… ………………………………………………………………………… S434
Japanese Red Cross Otsu Hosp., Shiga, Japan  Takeru Kataoka

2-Po3-P33-2 Sliding hip screw fixation for Pauwels type 3 femoral neck fractures……………… S434
Kamitsuga General Hosp., Tochigi, Japan  Megumi Nakamura

2-Po3-P33-3 Clinical results of reverse oblique intertrochanteric Femur fracture with Hansson
DCSL Nail… ………………………………………………………………………………… S435
Japanese Red Cross Asahikawa Hosp., Asahikawa, Japan  Masahito Tanaka－ 226 －

2-Po3-P33-4 Comparison of outcomes of Gamma nail and Fortis nail for unstable trochantericfemoral fractures…………………………………………………………………………… S435
Nagayama Hosp., Osaka, Japan  Ryosuke Akiyama

2-Po3-P33-5 Experience using middle nail for unstable femoral trochanteric fractures at our
hospital… …………………………………………………………………………………… S436
Higashisumiyoshi Morimoto Hosp., Osaka, Japan  Naoki Minamitani

2-Po3-P33-6 Proper intramedullary nail length for proximal femoral fractures… ……………… S436
Sakai City Medical Center, Sakai, Japan  Keisuke Tanaka

Poster 34

Proximal femoral fractures in the elderly 2（10:20 ～ 10:45）

Chair: A. Hanabayashi

2-Po3-P34-1 Complication rate in femoral neck fracture osteosynthesis with and without closed
reduction surgery…………………………………………………………………………… S437
Kousei General Hosp., Hiroshima, Japan  Hiroyuki Nagahara

2-Po3-P34-2 The effect of medical fee for emergency ORIF and BHA for hip fractures,
2nd report…………………………………………………………………………………… S437
Konan Medical Center, Hyogo, Japan  Saya Goto

2-Po3-P34-3 Clinical results of THA for femoral neck fractures in elderly patients…………… S438
Konan Kosei Hosp., Aichi, Japan  Ryota Futatsugi

2-Po3-P34-4 TFNA cement augmentation control femoral head fragment after osteosynthesis
to the treatment results to osteosynthesis to the femoral head type of abasicervical fracture of the femur… …………………………………………………… S438
Fukuoka Shinmizumaki Hosp., Fukuoka, Japan  Satoru Okuma

2-Po3-P34-5 Infection after bipolar hemiarthroplasty for femoral neck fracture… ……………… S439
Kitakyushu General Hosp., Fukuoka, Japan  Natsuho Yoshimura

Poster 35

Proximal femoral fractures in the elderly 3
Chair: I. Nakayama

2-Po3-P35-1 A case of intraoperative arterial injury for femoral transverse fracture…………… S439
Shizuoka Red Cross Hosp., Shizuoka, Japan  Koki Matsumoto

2-Po3-P35-2 Two cases of femoral deep artery pseudoaneurysm after femoral transverse
fracture surgery… ………………………………………………………………………… S440
Fujioka General Hosp., Fujioka, Japan  Masaki Saito

2-Po3-P35-3 Systemic complication and life prognosis of hemodialysis patients after hip
fracture… …………………………………………………………………………………… S440
Dokkyo Medical Univ., Tochigi, Japan  Iwao Sekimoto

2-Po3-P35-4 Examination of complication factors in patients with proximal femur fractures… … S441
Daido Hosp. / Aichi Medecal Univ., Aichi, Japan  Konosuke Niwa

－ 227 －

Day 2
Po3

（10:50 ～ 11:15）

2-Po3-P35-5 TAVI or fracture therapy prior to TAVI for proximal femur fractures with
SevereAS… ………………………………………………………………………………… S441
Shizuoka City Shizuoka Hosp., Shizuoka, Japan  Hirotaka Ogi

Poster 36

Interprofessional Work（For early surgery）（11:20 ～ 11:45）

Chair: N. Takigawa

2-Po3-P36-1 Timely surgical intervention for proximal femur fractures is imperative tofacilitate expeditious restoration of ambulatory function in patients upondischarge… ………………………………………………………………………………… S442
Sendai Medical Association Hosp., Kagoshima, Japan  Yuki Yasutake

2-Po3-P36-2 Proximal femur fracture Trial experience with the “5-day discharge path” forpatients with advanced dementia………………………………………………………… S442
Kitakyushu General Hosp., Fukuoka, Japan  Goki Hayashi

2-Po3-P36-3 Practice report on early surgery for proximal femoral martial fracture…………… S443
Okinawa Chubu Hosp., Uruma, Japan  Chotaku Futenma

2-Po3-P36-4 FLS for the patients with hip fracture is useful for secondary fracture
prevention…………………………………………………………………………………… S443
Kagawa Rousai Hosp., Kagawa, Japan  Ryotaro Kajiki

2-Po3-P36-5 Acceptance of proximal femur fractures at regional national university hospitals-Changes in the last five years… ………………………………………………………… S444
Hamamatsu Univ. School of Medicine, Hamamatsu, Japan  Yuta Shimizu－ 228 －

Po4（Exhibition Bldg. lF“Exhibition room 1 ～ 3）
Poster 37

Femoral shaft fractures 1（9:00 ～ 9:25）

Chair: T. Shiba

2-Po4-P37-1 Osteopetrosis diagnosed at an advanced age due to subtrochanteric femoral
fracture; A case report… ………………………………………………………………… S444
Kasukabe City Medical Center, Saitama, Japan  Syunya Kuroki

2-Po4-P37-2 Surgical planning for intramedullary nail insertion in abnormally bowedatypical femoral shaft fractures………………………………………………………… S445
Dept. of Orthop. Surg., Kyorin Univ. School of Medicine, …
Tokyo, Japan  Tomohiro Watanabe

2-Po4-P37-3 Bone mineral density-based selection of double plate fixation for distal femur
fractures in elderly patients… …………………………………………………………… S445
Tottori City Hosp., Tottori, Japan  Reijirou Ichiba

2-Po4-P37-4 Report of a case of bicondylar Hoffa's fracture………………………………………… S446
Iizuka Hosp., Fukuoka, Japan  Keisuke Komiyama

2-Po4P37-5

Case report of simultaneous femoral medial condyle Hoffa's fracture and tibial
posterior cruciate ligament avulsion fracture… ……………………………………… S446
JCHO Gunma Central Hosp. / Gunma. Univ., Gunma, Japan  Satoshi Nonaka

Poster 38

Femoral shaft fractures 2（9:30 ～ 9:55）

Chair: T. Yasuda

2-Po4-P38-1 Two cases of distal femur fractures due to secondary fractures after
periprosthetic femoral fracture treatment……………………………………………… S447
Japanese Red Cross Aichi Medical Center Nagoya Daini Hosp., …
Nagoya, Japan  Masatoshi Haruta

2-Po4-P38-2 The treatment with the RFNA side locking plate; Two cases report… …………… S447
2-Po4-P38-3 Osteosynthesis with medial closed wedge distal femoral osteotomy for distal
femoral fracture：A case report… ……………………………………………………… S448
2-Po4P38-4

A junior gymnastic female athlete with extensive cartilage fractuare at lateralfemoral condyle…………………………………………………………………………… S448
Osaka International Cancer Institute, Osaka, Japan  Ryota Miyamoto

2-Po4-P38-5 A case of 11-year-old girl with valgus knee after osteosynthesis for distal femur
fracture corrected using guided growth………………………………………………… S449
Iizuka Hosp., Fukuoka, Japan  Kazuhiko Sonoda－ 229 －Day 2
Po4

Ishikawa Prefectural Central Hosp., Ishikawa, Japan  Daiki Kamata

Day 2
Po3

Seirei Mikatahara General Hosp., Shizuoka, Japan  Hironobu Bito

Poster 39

Patella fractures（10:00 ～ 10:20）

Chair: N. Kimata

2-Po4-P39-1 A case of patellar bone atrophy following surgery for a inferior patellar polesleeve fracture… …………………………………………………………………………… S449
Chiba Rousai Hosp., Chiba, Japan  Masaki Tayama

2-Po4-P39-2 A case of arthroscopic medial patellofemoral ligament cerclage for bilateral
patellar dislocation with fracture in childhood… ……………………………………… S450
Dept. of Orthop. Surg., Shiroyama Hosp., Osaka, Japan  Tomohiko Murakami

2-Po4-P39-3 Reconstruction of the knee extension mechanism using an artificial ligament fora patellar pseudarthrosis that had been neglected for three months:
A case report… …………………………………………………………………………… S450
Dept. of Orthop. Surg., Shiroyama Hosp., Osaka, Japan  Minako Ikeda

2-Po4-P39-4 A case report of MPFL reconstruction for patellofemoral arthropathy with ahistory of patellar dislocation and fracture……………………………………………… S451
Showa Univ. Northern Yokohama Hosp., Kanagawa, Japan / …
Dept. of Orthop. Surg., Showa Univ. School of Medicine, Tokyo, Japan  Yoshimasa Fujimaki

Poster 40

Tibial fractures 1（10:25 ～ 10:55）

Chair: T. Akasaka

2-Po4-P40-1 Operative treatment with absorbable screw and sure anchor for avulsion fractureof posterior cruciate ligament… ………………………………………………………… S451
JCHO Kyushu Hosp., Fukuoka Japan  Mayuka Suzuki

2-Po4-P40-2 A case of hyperextension tibial plateau fracture… …………………………………… S452
Tokyo Metropolitan Tama Medical Center, Tokyo, Japan  Kyoko Matsudaira

2-Po4-P40-3 The treatment of avulsion of the tibial tubercle, after the conservative treatmentof proximal tibial epiphyseal injury……………………………………………………… S452
Horikawa Hosp., Kyoto, Japan  Toshiyuki Kubota

2-Po4-P40-4 A case of Tibial Tuberosity fracture with Patellar sleeve fracture…………………… S453
Gunma Univ. Hosp., Gunma, Japan  Takashi Ito

2-Po4-P40-5 Simultaneous bilateral proximal tibial epiphyseal injuries with locking plate for
HTO… ……………………………………………………………………………………… S453
Shiroyama Hosp., Osaka, Japan  Kengo Tani

2-Po4-P40-6 Suprapatellar intramedullary nailing with augmentative plate fixation for proximal
tibial shaft nonunions 2 cases report… ………………………………………………… S454
Kawasaki General Medical Center, Okayama, Japan  Ryosuke Kajimoto－ 230 －

Poster 41

Tibial fractures 2（11:00 ～ 11:30）

Chair: K. Sasaki

2-Po4-P41-1 Four cases of the suture bridge technique for posterior cruciate ligament
avulsion fracture… ………………………………………………………………………… S454
Toyonaka Municipal Hosp., Osaka, Japan  Ayanori Yoshida

2-Po4-P41-2 Two case reports of combined use of the Ender nail and ring-type external fixator
for lower leg fractures…………………………………………………………………… S455
Dept. of Orthop., Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, …
Kyoto, Japan  Haruki Takimoto

2-Po4-P41-3 Posterior plating for fractures in the tibial distal metaphysis… …………………… S455
South Miyagi Medical Center, Sendai, Japan  Shuji Isefuku

2-Po4-P41-4 Ankle arthrodesis for bilateral open Pilon fractures due to a fall from height;
A case report… …………………………………………………………………………… S456
Dept. of Orthop. Surg., National Defense Medical College, …
Saitama, Japan  Kazuki Nakamura

2-Po4-P41-5 A case treated with Continuous Local Antibiotic Perfusion (CLAP) and free skinflap for postoperative infection following tibial plateau fracture… ………………… S456
Baba Memorial Hosp., Osaka, Japan  Takuma Akitsukaze

2-Po4-P41-6 Ankle arthorodesis using antegrade intramedullary nail for salvage of aneglected tibial pilon fracture: A case report…………………………………………… S457
Keijinkai Shiroyama Hosp., Ota, Japan / Showa Univ., Tokyo, Japan  Sang Yang Lee

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Poster 42

Open fractures（9:00 ～ 9:25）

Chair: Y. Hara

2-Po5-P42-1 Knee joint preservation with spare parts surgery after the severe limb fractures;
A case report………………………………………………………………………………… S457
Dept. of Orthop. Surg., Uji-Tokusyukai Medical Center, Kyoto, Japan  Manabu Arai

2-Po5-P42-2 A case in which revascularization was performed for Gustilo 3C in the proximal
femur: A consideration on the pros and cons of femoral vein reconstruction……… S458
Univ. of Occupational and Environmental Health, Fukuoka, Japan  Daichi Shinohara

2-Po5-P42-3 A case report; Two cases of Gustilo IIIB lower leg open fractures at our
hospital… …………………………………………………………………………………… S458
Seirei Mikatahara General Hosp., Shizuoka, Japan  Kaoru Harada

2-Po5-P42-4 A case of using prophylactic Continuous Local Antibiotics Perfusion (CLAP)
during internal fixation of multiple trauma and open fracture of the lower
limb caused by a farm tractor… ………………………………………………………… S459
Shuto General Hosp., Yamaguchi, Japan  Tatsuya Miyake

2-Po5-P42-5 A case report of a Gustilo grade IIIC open forearm fracture treated with earlytendon transfer for ulnar nerve palsy with preserved continuity…………………… S459
Yamaguchi Univ. School of Medicine, Ube, Japan  Kazuya Uehara

Poster 43

Infection（9:35 ～ 10:15）

Chair: S. Hatashita

2-Po5-P43-1 The detection rate of bacteriuria in orthopedic inpatients aged 65 years andolder… ……………………………………………………………………………………… S460
Sapporo Central Hosp., Sapporo, Japan  Wataru Hatanaka

2-Po5-P43-2 Chronic osteomyelitis of tarsal bone treated with staged operation using double
plate… ……………………………………………………………………………………… S460
Daiyukai General Hosp., Aichi, Japan  Tomoo Inukai

2-Po5-P43-3 Implant conversion and continuous local antimicrobial irrigation (CLAP) for
fracture-related infection… ……………………………………………………………… S461
Yamaguchi Univ. Graduate School of Medicine, Yamaguchi, Japan  Tomoya Okazaki

2-Po5-P43-4 A case of infected soft tissue defect with acetabular exposure after hip
disarticulation managed with continuous local antibiotic perfusion (CLAP)… …… S461
Funabashi Municipal Medical Center, Chiba, Japan  Hiroki Kawaguchi

2-Po5-P43-5 A case of CLAP for pyogenic flexor and extensor tendinitis and pyogenic
DIP arthritis………………………………………………………………………………… S462
Asago Medical Center, Hyogo, Japan  Ryowa Mineo－ 232 －

2-Po5-P43-6 Surgical site infections accompanied by shock and multiple organ failure require
antibiotic treatment in accordance with TSS…………………………………………… S462
Southern TOHOKU General Hosp. Trauma and Reconstruction Center, Fukushima, Japan /…
Fukuchiyama City Hosp., Kyoto, Japan  Masaya Murao

2-Po5-P43-7 A case study of postoperative infection of pelvic ring and acetabular fracture…… S463
Kobe City Medical Center General Hosp., Kobe, Japan  Satoshi Ota

2-Po5-P43-8 A case report of post operative tibial osteomyelitis in a child with congenital
insensivity to pain with anhidrosis… …………………………………………………… S463
Teikyo Univ. Chiba Medical Center, Chiba, Japan  Manami Kono

Poster 44

Complications（10:20 ～ 10:50）

Chair: S. Suganuma

2-Po5-P44-1 A case of femoral neck fracture complicated by acute myocardial infarction… … S464
Miyazaki Medical Association Hosp., Miyazaki, Japan  Takafumi Kitabori

2-Po5-P44-2 A case of fracture due to thermal osteonecrosis at the pin insertion site 1 year
and 6 months after external fixation of the tibia… …………………………………… S464
Higashi Chiba Medical Center / …
Toho Univ. Sakura Medical Center, Chiba, Japan  Ryo Umeda

2-Po5-P44-3 A case of hammertoe deformity associated with distal tibia shaft fracture treatedwith flexor pollicis longus tendon tendonotomy… …………………………………… S465
Nagaoka Red Cross Hosp., Niigata, Japan  Hiroo Kawase

2-Po5-P44-4 The effect of D-dimer for deep vein thrombosis in hip fracture… ………………… S465
Kitakyushu General Hosp., Fukuoka, Japan  Natsuki Hara

2-Po5-P44-5 A case report of profound femoral artery injury complicated by osteosynthesis ofa femoral trochanteric fracture…………………………………………………………… S466
National Hosp. Organization Saitama Hosp,, Saitama, Japan  Mayu Suzuki

2-Po5-P44-6 A case of fat embolization syndrome after early fixation of multiple fractureswith severe neurological sequelae… …………………………………………………… S466
Narita Red Cross Hosp., Chiba, Japan  Ougiko Fukumi

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Poster 45

Fragility fractures（9:00 ～ 9:40）

Chair: S. Sato

2-Po6-P45-1 Short term outcome after posterior spinal fusion for osteoporotic vertebral
fracture using fenestrated screws… …………………………………………………… S467
Kobe Medical Center, Kobe, Japan  Kohei Kawakita

2-Po6-P45-2 Posterior reconstruction of L5 osteoporotic vertebral fracture using an
expandable cage for PLIF………………………………………………………………… S467
Kiryu Kosei General Hosp., Gunma, Japan  Yohei Kakuta

2-Po6-P45-3 Treatment of sacral insufficiency fractures… ………………………………………… S468
Junwakai Memorial Hosp., Miyazaki, Japan  Sho Kawano

2-Po6-P45-4 Case report: Minimally invasive osteosynthesis for a pathological acetabular
fracture associated with amyloid arthropathy… ……………………………………… S468
Iwata City Hosp., Shizuoka, Japan  Takato Oishi

2-Po6-P45-5 Examination of swallowing function in late elderly patients who underwent
surgery for fragile acetabular fractures………………………………………………… S469
Iwata Genaral Hosp., Iwata, Japan / …
Hiroshima Red Cross Hosp. & Atomic-bomb Survivors Hosp., Hiroshima, Japan / …
Kyushu Univ. Hosp., Fukuoka, Japan  Koki Kato

2-Po6-P45-6 Current situation of the waiting period for surgery following the start ofcalculation of early surgery for proximal femur fractures…………………………… S469
Dept. of Orthop. Surg. and Sports Medicine, Tsukuba Univ. Hosp.  …
Mito Clinical Education and Training Center / Mito Kyodo General Hosp.,…
Ibaraki, Japan  Satoshi Matsuura

2-Po6-P45-7 Two cases of insufficiency fracture in the proximal medial tibia… ………………… S470
Kanagawa Prefectural Ashigarakami Hosp., Kanagawa Japan  Takahiro Fujimori

2-Po6-P45-8 Analysis of 22 operative treatment of femoral periphrastic fracture… …………… S470
Ibaraki Prefectural Central Hosp., Ibaraki, Japan  Hidetoshi Naganuma

Poster 46

Pathological fractures（9:45 ～ 10:15）

Chair: T. Uehara

2-Po6-P46-1 Experience in treating a pathological distal femur fracture in a very rare patientwith Gaucher's disease……………………………………………………………………… S471
Kurume Univ. Hosp., Kurume, Japan  Mitsuhiro Matsuura

2-Po6-P46-2 Mega-prosthesis replacement by residents for bone metastasis in the proximal
femur… ……………………………………………………………………………………… S471
Nagoya Univ. Hosp., Nagoya, Japan  Kunihiro Ikuta－ 234 －

2-Po6-P46-3 A case of anterior minimally invasive plate osteosynthesis (anterior MIPO) for
humeral shaft metastasis… ……………………………………………………………… S472
Nihon Univ. School of Medicine, Tokyo, Japan  Toshio Kojima

2-Po6-P46-4 A case of pathological fracture of the thoracic vertebrae due to multiple
myeloma that could not be diagnosed early… ………………………………………… S472
Omihachiman Community Medical Center, Shiga, Japan  Akira Nakamura

2-Po6-P46-5 A case of pathological fracture of the tibial diaphysis associated with a benign
bone tumor… ……………………………………………………………………………… S473
Okazaki City Hosp., Okazaki, Japan  Keishi Natsume

2-Po6-P46-6 Pathological fracture of the radial osteomyelitis resulted by liver abcess-A case report-……………………………………………………………………………… S473
Nihonkai General Hosp. / Yamagata Prefectural Central Hosp., …
Yamagata, Japan  Yasushi Naganuma

Poster 47

Periprosthetic fractures 1（10:20 ～ 10:45）

Chair: F. Funayama

2-Po6-P47-1 Two cases of exchange nail technique for peri-implant fracture after
TFNA CAS… ……………………………………………………………………………… S474
Shinkaminokawa Hosp., Tochigi, Japan  Kenta Yanagisawa

2-Po6-P47-2 A case of bilateral peri-implant fractures due to minor external force after
bilateral proximal hip fructure…………………………………………………………… S474
The Dept. of Orthop., Tokyo Women's Medical Univ., Tokyo, Japan  Yujiro Kuramitsu

2-Po6-P47-3 A case of secondary fracture above the femoral condyle after periprosthetic
femoral fracture surgery… ……………………………………………………………… S475
Hokkaido Univ. Hosp. / KKR Sapporo Medical Center, Sapporo, Japan  Yutaro Sugawara

2-Po6-P47-4 A case of hip revision after primary total hip replacement for a periprosthetic
occult acetabular fracture… ……………………………………………………………… S475
Chubu Rosai Hosp., Aichi, Japan  Takayuki Sugino

2-Po6-P47-5 A case of periprosthetic femur fractures after hip arthroplasty for hip
osteoarthritis with femoral deformity…………………………………………………… S476
Nishinomiya Hosp., Hyogo, Japan  Takuma Hayashi

Poster 48

Periprosthetic fractures 2（10:50 ～ 11:15）

Chair: K. Hoshino

2-Po6-P48-1 Revision-TKA for periprosthetic fractures around knees following TKA… ……… S476
Yamaguchi Prefectural Grand Medical Center, Yamaguchi, Japan  Koji Yoshida

2-Po6-P48-2 Withdraw
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2-Po6-P48-3 A case report of a tibia tuberosity avulsion fracture occurring subsequent toopen reduction and internal fixation for a patellar fracture, following total
knee arthroplasty for osteoarthritis……………………………………………………… S477
Sanmu Medical Center, Shizuoka, Japan  Haruki Ito

2-Po6-P48-4 A case of periprosthetic tibial fracture surgery with endoprosthetic
replacement… ……………………………………………………………………………… S478
Dept. of Orthop., Graduate School of Medical Science, Kyoto Prefectural Univ. of Medicine, …
Kyoto, Japan  Ryota Cha

2-Po6-P48-5 A case of tibial periprosthetic fracture in total knee arthroplasty withpostoperative correction loss……………………………………………………………… S478
Kyoto Tanabe Central Hosp., Kyoto, Japan  Taisuke Kunitomo－ 236 －