The low contact stress patellofemoral replacement HIGH EARLY FAILURE RATE

被引：30

作者：

Charalambous, C. P. ^{[1
]}

Abiddin, Z.

Mills, S. P.

Rogers, S. ^{[1
]}

Sutton, P. ^{[2
]}

Parkinson, R. ^{[3
]}

机构：

[1] Blackpool Victoria Hosp, Blackpool FY3 8NR, England

[2] No Gen Hosp, Knee Reconstruct Unit, Sheffield S5 7AU, S Yorkshire, England

[3] Arrowe Pk Hosp, Dept Orthopaed, Wirral Univ Teaching Hosp NHS Fdn Trust, Wirral CH49 5PE, Merseyside, England

来源：

JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME | 2011年 / 93B卷 / 04期

关键词：

TOTAL KNEE REPLACEMENT; FOLLOW-UP; ARTHROPLASTY; JOINT; PROSTHESIS; 5-YEAR; OSTEOARTHRITIS; COMPONENT; SURVIVAL; OUTCOMES;

D O I：

10.1302/0301-620X.93B4.25899

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：

100224 [整形外科学];

摘要：

The low contact stress patellofemoral replacement consists of a trochlear component and a modular patellar component which has a metal-backed mobile polyethylene bearing. We present the early results of the use of this prosthesis for established isolated patellofemoral arthritis in 51 consecutive patellofemoral replacements in 35 patients. The mean follow-up was 25 months (5 to 60). The estimated survival rate at three years was 63% (95% confidence interval 47 to 80) with revision as the endpoint and 46% (95% confidence interval 30 to 63) with revision and ongoing moderate or severe pain as the endpoint. The early results of the use of the low contact stress patellofemoral replacement are disappointing with a high rate of revision. We cannot therefore recommend its use.

引用

页码：484 / 489

页数：6

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