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The Cumulative Risk of Re-dislocation After Revision THA Performed for Instability Increases Close to 35% at 15 years
被引:63
作者:
Jo, Suenghwan
[1
]
Almonte, Jose H. Jimenez
[1
]
Sierra, Rafael J.
[1
]
机构:
[1] Mayo Clin, Dept Orthopaed Surg, Rochester, MN 55905 USA
关键词:
constrained liner;
cumulative Risk;
dislocation;
large femoral head;
instability;
revision arthroplasty;
TOTAL HIP-ARTHROPLASTY;
RECURRENT DISLOCATION;
FEMORAL-HEAD;
REPLACEMENT;
LINER;
EPIDEMIOLOGY;
COMPONENT;
EXCHANGE;
D O I:
10.1016/j.arth.2015.02.001
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:
A retrospective analysis was conducted on 539 hips undergoing revision total hip arthroplasty done for instability to report the cumulative risk and factors associated with re-dislocation and re-revision. The cumulative risk of re-dislocation and re-revision for all cause was 34.5% and 45.9% at 15 years, respectively. Multiple variable analyses revealed history of 2 or more previous surgeries, use of head size less than 36 mm, and cup retention to be risk factors for re-dislocation and re-revision. The use of a constrained liner was protective against re-dislocation but was not associated with a lower re-revision rate. Understanding the risk factors associated with re-dislocation or re-revision may help with perioperative decision making in order to decrease the high failure rate seen in this study. (C) 2015 Elsevier Inc. All rights reserved.
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页码:1177 / 1182
页数:6
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