Author | Shimamura, Yasunori| |
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Published Date | 2010-03-25 |
Publication Title | |
Content Type | Thesis or Dissertation |
JaLCDOI | 10.18926/AMO/32855 |
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FullText URL | fulltext.pdf |
Author | Shimamura, Yasunori| Nishida, Keiichiro| Imatani, Junya| Noda, Tomoyuki| Hashizume, Hiroyuki| Ohtsuka, Aiji| Ozaki, Toshifumi| |
Abstract | We biomechanically evaluated the bone fixation rigidity of an ONI plate (Group I) during fixation of experimentally created transcondylar humerus fractures in cadaveric elbows, which are the most frequently observed humeral fractures in the elderly, and compared it with the rigidity achieved by 3 conventional fixation methods:an LCP reconstruction plate 3.5 using a locking mechanism (Group II), a conventional reconstruction plate 3.5 (CRP) with a cannulated cancellous screw (Group III), and a CRP with 2 cannulated cancellous screws (CS) in a crisscross orientation (Group IV). In the axial loading test, the mean failure loads were:Group I, 98.9+/-32.6;Group II, 108.5+/-27.2;Group III, 50.0+/-7.5;and Group IV, 34.5+/-12.2 (N). Group I fixations failed at a significantly higher load than those of Groups III and IV (p0.05). In the extension loading test, the mean failure loads were:Group I, 34.0+/-12.4;Group II, 51.0+/-14.8;Group III, 19.3+/-6.0;and Group IV, 14.7+/-3.1 (N). Group IV fixations showed a significantly lower failure load than those of Group I (p0.05). The fixation rigidities against mechanical loading by the ONI plate and LCP plate were comparable. These results suggested that an ONI system might be superior to the CRP and CS method, and comparable to the LCP method in terms of fixation rigidity for distal humerus fractures. |
Keywords | distal humerus fracture biomechanics internal fixation elderly |
Amo Type | Original Article |
Publication Title | Acta Medica Okayama |
Published Date | 2010-04 |
Volume | volume64 |
Issue | issue2 |
Publisher | Okayama University Medical School |
Start Page | 115 |
End Page | 120 |
ISSN | 0386-300X |
NCID | AA00508441 |
Content Type | Journal Article |
language | English |
File Version | publisher |
Refereed | True |
PubMed ID | 20424666 |
Web of Science KeyUT | 000276996900005 |
Author | Shimamura, Yasunori| Inoue, Madoka| Ozawa, Masatugu| Kanazawa, Tomoko| Saitou, Taiichi| Nakahara, Ryuichi| Noda, Tomoyuki| Nishida, Keiichiro| Ozaki, Toshifumi| |
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Published Date | 2011-08-01 |
Publication Title | 岡山医学会雑誌 |
Volume | volume123 |
Issue | issue2 |
Content Type | Journal Article |
JaLCDOI | 10.18926/AMO/51867 |
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FullText URL | 67_5_311.pdf |
Author | Nishida, Keiichiro| Hashizume, Hiroyuki| Matsukawa, Akihiro| Hashizume, Kenzo| Shimamura, Yasunori| Torigoe, Yasuyuki| Ozaki, Toshifumi| |
Abstract | We report a case of 4th metacarpal head collapse of a 19-year-old healthy man. MRI revealed T1 low and T2 high regions in the collapsed 4th metacarpal head, as well as in the right 3rd and left 4th metacarpal head. Our initial diagnosis was occult compression fracture due to avascular necrosis, known as Dieterich's disease. However, pathological findings of surgically resected right 4th metacarpal head were compatible with transient osteoporosis and metacarpal head fracture followed by active tissue repair. The autologous osteochondral transplants from costchondral junction survived and maintained their size and shape even at 10-year follow-up. |
Keywords | occult compression fracture metacarpal head avascular necrosis osteochondral autograft |
Amo Type | Case Report |
Publication Title | Acta Medica Okayama |
Published Date | 2013-10 |
Volume | volume67 |
Issue | issue5 |
Publisher | Okayama University Medical School |
Start Page | 311 |
End Page | 317 |
ISSN | 0386-300X |
NCID | AA00508441 |
Content Type | Journal Article |
language | English |
Copyright Holders | CopyrightⒸ 2013 by Okayama University Medical School |
File Version | publisher |
Refereed | True |
PubMed ID | 24145731 |
Web of Science KeyUT | 000325836100005 |
Author | Nishida, Keiichiro| Hashizume, Kenzo| Ozawa, Masatsugu| Takeshita, Ayumu| Kaneda, Daisuke| Nakahara, Ryuichi| Nasu, Yoshihisa| Shimamura, Yasunori| Inoue, Hajime| Ozaki, Toshifumi| |
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Published Date | 2017-02 |
Publication Title | Acta Medica Okayama |
Volume | volume71 |
Issue | issue1 |
Content Type | Journal Article |
JaLCDOI | 10.18926/AMO/54824 |
FullText URL | AOTS20191023.pdf fig.pdf Table.pdf |
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Author | Yamamoto, Norio| Noda, Tomoyuki| Saito, Taichi| Uehara, Takenori| Shimamura, Yasunori| Ozaki, Toshifumi| |
Keywords | Acetabular fracture External iliac artery External iliac vein Ilioinguinal approach Occlusion Thrombosis |
Note | This is a post-peer-review, pre-copyedit version of an article published in Archives of Orthopaedic and Trauma Surgery. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00402-019-03288-3.| |
Published Date | 2019-10-23 |
Publication Title | Archives of Orthopaedic and Trauma Surgery |
Volume | volume140 |
Issue | issue4 |
Publisher | Springer |
Start Page | 481 |
End Page | 485 |
ISSN | 0936-8051 |
NCID | AA10738765 |
Content Type | Journal Article |
language | English |
OAI-PMH Set | 岡山大学 |
File Version | author |
PubMed ID | 31642955 |
DOI | 10.1007/s00402-019-03288-3 |
Web of Science KeyUT | 000492001100001 |
Related Url | isVersionOf https://doi.org/10.1007/s00402-019-03288-3 |
FullText URL | fulltext.pdf |
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Author | Saito, Taichi| Noda, Tomoyuki| Kondo, Hiroya| Demiya, Koji| Nezu, Satoshi| Yokoo, Suguru| Matsuhashi, Minami| Uehara, Takenori| Shimamura, Yasunori| Kodama, Masayuki| Ozaki, Toshifumi| |
Keywords | Hand Induced membrane Masquelet technique Septic arthritis The small joint |
Published Date | 2020-02-29 |
Publication Title | Trauma Case Reports |
Volume | volume25 |
Start Page | 100268 |
ISSN | 23526440 |
Content Type | Journal Article |
language | English |
OAI-PMH Set | 岡山大学 |
Copyright Holders | © 2019 The Authors. Published by Elsevier Ltd. |
File Version | publisher |
PubMed ID | 1890833 |
DOI | 10.1016/j.tcr.2019.100268 |
Related Url | isVersionOf https://doi.org/10.1016/j.tcr.2019.100268 |
FullText URL | fulltext.pdf |
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Author | Ise, Masato| Saito, Taichi| Katayama, Yoshimi| Nakahara, Ryuichi| Shimamura, Yasunori| Hamada, Masanori| Senda, Masuo| Ozaki, Toshifumi| |
Keywords | Carpal tunnel syndrome Nerve conduction study The disability of the arm shoulder and hand questionnaire Clinical outcomes |
Published Date | 2021-10-16 |
Publication Title | BMC Musculoskeletal Disorders |
Volume | volume22 |
Issue | issue1 |
Publisher | BMC |
Start Page | 882 |
ISSN | 1471-2474 |
Content Type | Journal Article |
language | English |
OAI-PMH Set | 岡山大学 |
Copyright Holders | © The Author(s) 2021. |
File Version | publisher |
PubMed ID | 34656102 |
DOI | 10.1186/s12891-021-04771-y |
Web of Science KeyUT | 000707702900001 |
Related Url | isVersionOf https://doi.org/10.1186/s12891-021-04771-y |
JaLCDOI | 10.18926/AMO/65147 |
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FullText URL | 77_2_179.pdf |
Author | Kondo, Hidenori| Saito, Taichi| Nakahara, Ryuichi| Nakamichi, Ryo| Shimamura, Yasunori| Harada, Ryozo| Imatani, Junya| Ozaki, Toshifumi| |
Abstract | Rupture of the extensor pollicis longus (EPL) tendon is a known complication after undisplaced distal radius fracture (DRF). However, no report has revealed the relationship between EPL tendon rupture and the fracture pattern. Thus, this study aimed to investigate the characteristics of fractures at risk of EPL tendon rupture using fracture line mapping of undisplaced DRFs. This study used computed tomography imaging data of undisplaced DRFs with (n=18) and without EPL tendon rupture (n=52). Fracture lines obtained from 3D reconstruction data were drawn manually after matching with a 2D template wrist model. Fracture maps represented the fracture line distribution by superimposing the fracture lines of all 70 patients. Heat maps showed the relative frequency of the fracture lines as a gradual color change. Fracture lines of cases with EPL tendon rupture were concentrated in the proximal border of Lister’s tubercle. By contrast, fracture lines of cases without EPL tendon rupture were relatively dispersed. |
Keywords | distal radius fracture rupture of extensor pollicis longus tendon fracture mapping |
Amo Type | Original Article |
Publication Title | Acta Medica Okayama |
Published Date | 2023-04 |
Volume | volume77 |
Issue | issue2 |
Publisher | Okayama University Medical School |
Start Page | 179 |
End Page | 184 |
ISSN | 0386-300X |
NCID | AA00508441 |
Content Type | Journal Article |
language | English |
Copyright Holders | Copyright Ⓒ 2023 by Okayama University Medical School |
File Version | publisher |
Refereed | True |
PubMed ID | 37094955 |
Web of Science KeyUT | 000982503800007 |
FullText URL | fulltext.pdf |
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Author | Nakamichi, Ryo| Saito, Taichi| Shimamura, Yasunori| Hamada, Masanori| Nishida, Keiichiro| Ozaki, Toshifumi| |
Keywords | Carpal tunnel syndrome Mini-open Endoscopy Patient-oriented evaluation |
Note | The version of record of this article, first published in BMC Musculoskeletal Disorders, is available online at Publisher’s website: http://dx.doi.org/10.1186/s12891-023-07151-w| |
Published Date | 2024-04-01 |
Publication Title | BMC Musculoskeletal Disorders |
Volume | volume25 |
Issue | issue1 |
Publisher | BMC |
Start Page | 251 |
ISSN | 1471-2474 |
Content Type | Journal Article |
language | English |
OAI-PMH Set | 岡山大学 |
Copyright Holders | © The Author(s) 2024. |
File Version | publisher |
PubMed ID | 38561698 |
DOI | 10.1186/s12891-023-07151-w |
Web of Science KeyUT | 001195650000009 |
Related Url | isVersionOf https://doi.org/10.1186/s12891-023-07151-w |