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The Bone & Joint Journal
Vol. 96-B, Issue 11 | Pages 1431 - 1435
1 Nov 2014
Konan S Hossain F Patel S Haddad FS

Accurate, reproducible outcome measures are essential for the evaluation of any orthopaedic procedure, in both clinical practice and research.

Commonly used patient-reported outcome measures (PROMs) have drawbacks such as ‘floor’ and ‘ceiling’ effects, limitations of worldwide adaptability and an inability to distinguish pain from function. They are also unable to measure the true outcome of an intervention rather than a patient’s perception of that outcome.

Performance-based functional outcome tools may address these problems. It is important that both clinicians and researchers are aware of these measures when dealing with high-demand patients, using a new intervention or implant, or testing a new rehabilitation protocol.

This article provides an overview of some of the clinically-validated performance-based functional outcome tools used in the assessment of patients undergoing hip and knee surgery.

Cite this article: Bone Joint J 2014;96-B:1431–5.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IX | Pages 90 - 90
1 Mar 2012
Rhee S Hossain F Konan S Ashby E Haddad F
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Aim

The aim of our study was to assess lateral tracking of the patella with differing designs of Total Knee Arthroplasty (TKA) and compare to that of the native patella.

Method

A modified caliper was used to measure the width and position of the patella relative to the femur at different degrees of knee flexion. The relationship of the patella midpoint to that of the femur was subsequently assessed. Group 1 consisted of 25 native knees. Group 2 consisted of 25 patients with antero-posterior stabilised knee implant with a spherical medial condyle and a deep lateralised patellar groove, and Group 3 consisted of 25 patients with a conventional cam-and-post design with a midline patellar groove. The mean follow-up was 28 months.