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Adolescent knee pain and patellar dislocations are associated with patellofemoral osteoarthritis in adulthood : a case control study

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Conchie, Henry, Clark, Damian, Metcalfe, Andrew J., Eldridge, Jonathan and Whitehouse, Michael (2016) Adolescent knee pain and patellar dislocations are associated with patellofemoral osteoarthritis in adulthood : a case control study. The Knee, 23 (4). pp. 708-711. doi:10.1016/j.knee.2016.04.009 ISSN 0968-0160.

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Official URL: http://dx.doi.org/10.1016/j.knee.2016.04.009

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Abstract

Background

There is a lack of information about the association between patellofemoral osteoarthritis (PFOA) and both adolescent anterior knee pain (AKP) and previous patellar dislocations.

Methods

This case-control study involved 222 participants from our knee arthroplasty database answering a questionnaire. One hundred and eleven patients suffering from PFOA were 1:1 matched by gender with a unicompartmental tibiofemoral arthritis control group. Multivariate correlation and binary logistic regression analysis were performed, with odds ratios (ORs) and 95% confidence intervals (CIs) calculated.

Results

An individual is 7.5 times more likely to develop PFOA if they have suffered from adolescent AKP (OR 7.5, 95% CIs 1.51 to 36.94). Additionally, experiencing a patellar dislocation increases the likelihood of development of PFOA, with an adjusted odds ratio of 3.2 (95% CIs 1.25 to 8.18). A 44-year difference in median age of first dislocation was also observed between the groups. Conclusion This should bring into question the traditional belief that adolescent anterior knee pain is a benign pathology. Patellar dislocation is also a significant risk factor. These patients merit investigation, we encourage clinical acknowledgement of the potential consequences when encountering patients suffering from anterior knee pain or patellar dislocation. ©2016

Item Type: Journal Article
Subjects: R Medicine > RC Internal medicine
Divisions: Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Clinical Trials Unit
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH): Knee -- Diseases -- Youth -- Case studies, Osteoarthritis -- Case studies, Patellofemoral joint -- Diseases
Journal or Publication Title: The Knee
Publisher: Elsevier BV
ISSN: 0968-0160
Official Date: August 2016
Dates:
DateEvent
August 2016Published
11 May 2016Available
4 April 2016Accepted
Volume: 23
Number: 4
Page Range: pp. 708-711
DOI: 10.1016/j.knee.2016.04.009
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 23 July 2018
Date of first compliant Open Access: 1 August 2018
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