Fracture of a titanium femoral neck after revision total hip arthroplasty

被引：1

作者：

Zimmerer, Alexander ^{[1
,2
]}

Ogunleye, Philips ^{[1
]}

Navas, Luis ^{[1
]}

Hauschild, Matthias ^{[1
]}

机构：

[1] ARCUS Kliniken, Dept Orthopaed, Pforzheim, Germany

[2] Univ Med Greifswald, Dept Orthopaed & Orthopaed Surg, Greifswald, Germany

来源：

BMJ CASE REPORTS | 2022年 / 15卷 / 05期

关键词：

Prosthesis failure; Hip implants; DAMAGE; IMPLANTS; FAILURE;

D O I：

10.1136/bcr-2021-247293

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

We report a case of a fractured titanium alloy (Ti6Al4V) femoral stem 2 years after revision (debridement, antibiotics and implant retention due to periprosthetic joint infection) total hip arthroplasty (THA). Material analysis revealed a superficial abnormality on the upper neck surface caused by local melting with electrocautery probably acting as a stress amplifier. This lesion presumably was the trigger of a fatigue fracture with typical features on the fracture surface. Electrocautery should therefore be avoided in case of revision THA or used with utmost care to avoid contact with the femoral stem

引用

页数：4

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