Clinically insignificant association between anterior knee pain and patellofemoral lesions which are found incidentally.

Elson, David, Jones, S., Caplan, Nick, St Clair Gibson, Alan, Stewart, Su and Kader, Deiary (2013) Clinically insignificant association between anterior knee pain and patellofemoral lesions which are found incidentally. The Knee, 20 (6). pp. 471-475. ISSN 0968-0160

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Official URL: http://dx.doi.org/10.1016/j.knee.2013.02.002

Abstract

Patellofemoral chondral lesions are frequently identified incidentally during the arthroscopic treatment of other knee pathologies. A role has been described for arthroscopic debridement of such lesions when symptoms are known to originate from pathology of the patellofemoral joint. However, it remains unclear how to manage lesions which are found incidentally whilst tackling other pathologies. The purpose of this study was to establish the strength of association between anterior knee pain and patellofemoral lesions identified incidentally in a typical arthroscopic population. A consecutive series of patients undergoing arthroscopy for a range of standard indications formed the basis of this cross section study. We excluded those with patellofemoral conditions in order to identify patellofemoral lesions which were solely incidental. Pre-operative assessments were performed on 64 patients, where anterior knee pain was sought by three methods: an annotated photographic knee pain map (PKPM), patient indication with one finger and by palpated tenderness. A single surgeon, who was blinded to previous recordings, performed standard arthroscopies and recorded patellofemoral lesions. Statistical correlations were performed to identify the association magnitude. Associations were identified between incidental patellofemoral lesions and tenderness palpated on the medial patella (P=0.007, χ2=0.32) and the quadriceps tendon (P=0.029, χ2=0.26), but these associations were at best fair, which could be interpreted as clinically insignificant. In which case incidental patellofemoral lesions are not necessarily associated with anterior knee pain, we suggest that they could be left alone. This recommendation is only applicable to patellofemoral lesions which are found incidentally whilst addressing other pathology.

Item Type: Article
Additional Information: Published online first.
Uncontrolled Keywords: Anterior knee pain, incidental patellofemoral lesions, chondromalacia patella, chondral pathology
Subjects: A100 Pre-clinical Medicine
B100 Anatomy, Physiology and Pathology
Department: Faculties > Health and Life Sciences > School of Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Nick Caplan
Date Deposited: 15 Feb 2013 15:02
Last Modified: 12 May 2017 17:45
URI: http://nrl.northumbria.ac.uk/id/eprint/11151

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