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

Henry Conchie; Damian Clark; Andrew Metcalfe; Jonathan Eldridge; Michael Whitehouse

doi:10.1016/j.knee.2016.04.009

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

Henry Conchie^*, Damian Clark, Andrew Metcalfe, Jonathan Eldridge, Michael Whitehouse

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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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.

Original language	English
Pages (from-to)	708-711
Number of pages	4
Journal	Knee
Volume	23
Issue number	4
Early online date	11 May 2016
DOIs	https://doi.org/10.1016/j.knee.2016.04.009
Publication status	Published - Aug 2016

Research Groups and Themes

Centre for Surgical Research

Keywords

Adolescent
Arthritis
Dislocation
Instability
Patella
Patellofemoral

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title = "Adolescent knee pain and patellar dislocations are associated with patellofemoral osteoarthritis in adulthood: A case control study",

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.",

keywords = "Adolescent, Arthritis, Dislocation, Instability, Patella, Patellofemoral",

author = "Henry Conchie and Damian Clark and Andrew Metcalfe and Jonathan Eldridge and Michael Whitehouse",

year = "2016",

month = aug,

doi = "10.1016/j.knee.2016.04.009",

language = "English",

volume = "23",

pages = "708--711",

journal = "Knee",

issn = "0968-0160",

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T1 - Adolescent knee pain and patellar dislocations are associated with patellofemoral osteoarthritis in adulthood

T2 - A case control study

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AU - Clark, Damian

AU - Metcalfe, Andrew

AU - Eldridge, Jonathan

AU - Whitehouse, Michael

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N2 - 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.

AB - 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.

KW - Adolescent

KW - Arthritis

KW - Dislocation

KW - Instability

KW - Patella

KW - Patellofemoral

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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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