Abstract

Patella clunk syndrome in posterior stabilised total knee arthroplasty

Highlights

  • Patellofemoral complications [1] are probably the most common cause of unsatisfactory result after total knee arthroplasty(TKA). [2] Patellofemoral complications are an indication for up to 29% of all total knee replacement (TKR) revision procedures [1]

  • First coined by Hozack [3], the patellar clunk syndrome describes painful catching, grinding or jumping of the patella when the knee is moving from a flexed to an extended position, approximately at 30-45 degrees from full extension [2,3,4]

  • The purpose of this study is to report about patellar clunk syndrome in posterior stabilised total knee arthrpolasty

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Summary

Introduction

Patellofemoral complications (range from 5-55%) [1] are probably the most common cause of unsatisfactory result after total knee arthroplasty(TKA). [2] Patellofemoral complications are an indication for up to 29% of all TKR revision procedures [1]. First coined by Hozack [3], the patellar clunk syndrome describes painful catching, grinding or jumping of the patella when the knee is moving from a flexed to an extended position, approximately at 30-45 degrees from full extension [2,3,4]. It is caused by overgrowth of a fibrous nodule on the superior aspect of the patellar button, and is usually seen from three to nine months after the operation. The purpose of this study is to report about patellar clunk syndrome in posterior stabilised total knee arthrpolasty

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