Patellar Articular Surface Replacement in Total Hip Arthroplasty

Abstract


Examination of 249 patients with unilateral coxarthrosis was performed after total knee arthroplasty with (group 1) and without (group 2) patellar resurfacing performed at orthopaedic department of National Medical Surgical Center named after N.I. Pirogov. Total arthroplasty outcomes were assessed using knee-specific Oxford Knee Score (OKS), general questionnaire Medical Outcome Study 36-item Short-Form Health Survey (MOS Sf-36) and patellofemoral-specific questionnaire (PFQ). The following indications to patellar resurfacing were determined: body weight over 95 kg, patellar lateral shift ratio over 9%, 3rd and 4th degree of patellar chondromalacia by Outerbridge. Outcomes of patellar resurfacing were independent of patellar tilt angle (б), Insall-Salvati index, patient's height, body mass index, 1st and 2nd degree of patellar chondromalacia by Outerbridge.

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