Reason and management of patellar clunk syndrome after total knee replacement / 中国矫形外科杂志

ABSTRACT

[Objective]To find out the reason of patellar clunk syndrome after total knee replacement and define its countermeasure.[Method]From January 2001 to December 2004,total knee replacements were performed on 57 cases(82 knees).Patellar clunk syndromes were found in 14 knees.The reason was analyzed.[Result]The reason of patellar clunk syndrome was abnormality of patellofemoral tracking,including type intercondylar notch and type trochlear groove.[Conclusion]The problem of patellofemoral joint is very important in total knee replacement.With adopting accurate technique of cutting and component implantation,perfecting the design of prostheses,patellar clunk syndrome could be avoided completely.