BIPOLAR HIP-ARTHROPLASTY FOR RECURRENT DISLOCATION AFTER TOTAL HIP-ARTHROPLASTY - A REPORT OF 3 CASES

被引:26
作者
RIES, MD [1 ]
WIEDEL, JD [1 ]
机构
[1] UNIV COLORADO, SCH MED, DEPT ORTHOPAED, DENVER, CO 80202 USA
关键词
D O I
10.1097/00003086-199205000-00020
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
Recurrent dislocation after total hip arthroplasty is often a difficult complication to manage. Bipolar prostheses may be useful in these cases because motion can occur at two bearing surfaces and thus permit the greater range of motion necessary to dislodge the head from the acetabulum. The bipolar head is also larger than a conventional total hip femoral component, so a greater volume must be displaced from the acetabulum for dislocation to occur. Three patients with recurrent dislocation of a total hip prosthesis were successfully treated by conversion to bipolar devices after failure of multiple surgical procedures and treatment even with braces.
引用
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页码:121 / 127
页数:7
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