The influence of femoral component design in the elimination of patellar clunk in posterior-stabilized total knee arthroplasty

The Journal of Arthroplasty
Henry D ClarkeJohn N Insall

Abstract

Patellar clunk occurs after posterior-stabilized total knee arthroplasty and is believed to be a design-related complication. This study was undertaken to define the incidence of patellar clunk with an optimized third-generation, posterior-stabilized prosthesis. One hundred ninety three patients with 238 knees were evaluated at a minimum of 2 years after primary total knee arthroplasty with a cemented, NexGen Legacy Posterior-Stabilized prosthesis (Zimmer, Warsaw, Ind). The mean follow-up was 48 months (range, 24-72 months). No patient manifested symptoms of patellar clunk or underwent surgery for any patello-femoral problem. These results support prior evidence that femoral component design is the primary cause of patellar clunk and that modifications incorporated into this third-generation, posterior-stabilized prosthesis has eliminated the problem.

References

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Citations

May 20, 2015·Journal of Clinical Orthopaedics and Trauma·K T RajshekharThomas Chandy
Nov 19, 2013·The Journal of Arthroplasty·Juan V Peralta-MoleroAlejandro González Della Valle
May 15, 2013·The Journal of Arthroplasty·Sanjay R AgarwalaAashish G Patel
Jan 28, 2009·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Hira Lal NagUrvashi Singh
Dec 25, 2008·The Journal of Arthroplasty·Khaled A DajaniBruce A Levy
Mar 13, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Mo SaffariniDavid Dejour
Mar 8, 2014·Clinics in Orthopedic Surgery·Brian K Daines, Douglas A Dennis
Oct 24, 2008·The Journal of Arthroplasty·William J Long, Giles R Scuderi
Jul 15, 2011·The Journal of Arthroplasty·Atul F KamathGwo-Chin Lee
Mar 8, 2014·Clinics in Orthopedic Surgery·David N Conrad, Douglas A Dennis
Apr 2, 2009·The Journal of Bone and Joint Surgery. British Volume·K FukunagaK Takaoka
Oct 25, 2011·Orthopaedic Surgery·Zhi-ming HuangLian-bo Xiao
Apr 14, 2020·World Journal of Orthopedics·Sean Bertram SequeiraQuanjun Cui
Aug 14, 2010·Clinical Orthopaedics and Related Research·Douglas A DennisAdrija Sharma
Sep 1, 2015·Journal of Orthopaedic Surgery·Alex H F PunP Storey
Nov 28, 2012·Clinical Orthopaedics and Related Research·Bo-Hyun HwangSu-Chan Lee
May 2, 2014·Journal of Orthopaedic Surgery·Yan Ho TangHok Leung Wong
Dec 6, 2016·The Knee·Charlie C YangPeter J Laz

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