No difference between resurfaced and non-resurfaced patellae with a modern prosthesis design: a prospective randomized study of 250 total knee arthroplasties.

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Abstract

[Indexed for MEDLINE] 12. Acta Orthop Belg. 2005 Aug;71(4):445-51. Patella resurfacing in posterior stabilised total knee arthroplasty: a follow-up study in 56 patients. Gildone A(1), Manfredini M, Biscione R, Faccini R. Author information: (1)Operative Unit of Orthopaedics and Traumatology, "Del Delta" Hospital - Via Valle Oppio - Lagosanto (Fe), Italy. anbote@yahoo.it Patellar resurfacing in total knee arthroplasty (TKA) remains controversial. This study evaluates the results of resurfacing and non-resurfacing of the patella. Fifty-six patients with osteoarthritis (OA) of the knee were enrolled in a prospective randomised clinical trial using a posterior-stabilised TKA. Evaluations were done preoperatively and after 1, 3, 6, 12 and 24 months. Disease specific (Knee Society Score or KSS) and functional (patella-related activities) outcomes were measured. Patient satisfaction and anterior knee pain questionnaires were completed. No patients were lost to follow-up. No significant differences were found between groups with regard to the clinical part of the Knee Society score (KSS) not even in obese patients, the ability of performing daily activities involving the patellofemoral joint, and patient satisfaction. Significant differences were found regarding the functional section of the KSS, passive flexion, anterior knee pain and patellar tilt and subluxation. In conclusion, the authors believe that, for the implant studied, patellar resurfacing can be indicated.