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ID 58274
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Thumnail 74_2_151.pdf 2.96 MB
Author
Yamamoto, Norio Department of Orthopedic Surgery, Unnan City Hospital
Dan’ura, Tomoyuki Department of Orthopedic Surgery, Unnan City Hospital
Noda, Tomoyuki Department of Musculoskeletal Traumatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Kaken ID
Ozaki, Toshifumi Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Kaken ID researchmap
Abstract
This is the second report of an atypical peri-implant femoral fracture occurring at the distal screw after intramedullary nail fixation of a pertrochanteric fracture. A 94-year-old Japanese female with a 5-year history of alendronate intake presented with prodromal pain in her right thigh after intramedullary nail fixation. Plain radiographs showed an incomplete noncomminuted transverse fracture at the distal screw, suggesting an atypical peri-implant femoral fracture. The pathogenesis of an atypical peri-implant femoral fracture could be a combined systemic bone metabolism disorder and repetitive overloading at the screw, similar to the pathogenesis of an atypical periprosthetic femoral fracture around stem implantation.
Keywords
atypical femoral fracture
insufficiency fracture
bisphosphonate
atypical peri-implant femoral fracture,
atypical periprosthetic femoral fracture
Amo Type
Case Report
Published Date
2020-04
Publication Title
Acta Medica Okayama
Volume
volume74
Issue
issue2
Publisher
Okayama University Medical School
Start Page
151
End Page
157
ISSN
0386-300X
NCID
AA00508441
Content Type
Journal Article
language
英語
Copyright Holders
CopyrightⒸ 2020 by Okayama University Medical School
File Version
publisher
Refereed
True
PubMed ID
Web of Science KeyUT