A technique of staged lateral release to correct patellar tracking in total knee arthroplasty

Strachan, R.K.; Merican, A.M.; Devadasan, B.; Maheshwari, R.; Amis, A.A. (2009) A technique of staged lateral release to correct patellar tracking in total knee arthroplasty. J Arthroplasty, 24 (5). pp. 735-42.

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Abstract

Optimal patellar tracking and component alignment are important in achieving a well-functioning total knee arthroplasty (TKA). The patella is constrained partly by design of the prosthetic trochlear groove, and patellar tracking is governed by a combination of static and dynamic factors. Maltracking may result from excessive or unbalanced tension in the surrounding soft tissues. This article describes a staged progressive lateral release of the patellar retinaculum in TKA, which is classified into 6 stages. Stage 1 transects the deep lateral patellofemoral ligament; stages 2 to 6 extend the lateral patellar incision distally from vastus lateralis to the tibial tubercle. This technique was used in a series of 96 primary TKAs. We report the rates of the various stages of lateral release and the variables that might affect the decision to perform such a release.

Item Type: Article
Journal or Publication Title: J Arthroplasty
Additional Information: Using Smart Source Parsing Aug; Epub 2008 May 20
Uncontrolled Keywords: Total Knee Arthroplasty (TKA)
Subjects: Q Science > QM Human anatomy
Divisions: UNSPECIFIED
Depositing User: Prof. Dr. Azhar Mahmood Merican
Date Deposited: 22 Feb 2012 16:05
Last Modified: 10 Dec 2013 12:53
URI: http://eprints.um.edu.my/id/eprint/2766

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