Periprosthetic acetabular bone loss using a constrained acetabular component

被引：6

作者：

Ito, H ^{[1
]}

Matsuno, T ^{[1
]}

机构：

[1] Asahikawa Med Coll, Dept Orthopaed Surg, Asahikawa, Hokkaido 0788510, Japan

来源：

ARCHIVES OF ORTHOPAEDIC AND TRAUMA SURGERY | 2004年 / 124卷 / 02期

关键词：

hip joint; prosthesis; instability; dislocation; constrained acetabular component;

D O I：

10.1007/s00402-003-0611-z

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

We describe two patients with a constrained acetabular component who required treatment for recurrent dislocation showing postoperative periprosthetic acetabular bone loss. These hips required revision surgery and demonstrated considerable bone loss caused by the migrated acetabular component. Impingement may have occurred with increased stress at the bone-prosthesis interface, and the sharp ends of screws with a metal shell may have gradually plowed up the acetabular bone. These failures illustrate the potential risk of using a constrained acetabular component.

引用

页码：137 / 139

页数：3

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