Is Knee Pain During Adolescence a Self-limiting Condition? Prognosis of Patellofemoral Pain and Other Types of Knee Pain

The American Journal of Sports Medicine
Michael S RathleffEwa M Roos

Abstract

The prevalence of adolescent knee pain is 33%, and patellofemoral pain (PFP) is the most common diagnosis with a nontraumatic onset. The 2-year prognosis of adolescent PFP compared with other types of knee pain is unknown. To investigate the 2-year prognosis of knee pain among adolescents with and without a diagnosis of PFP. Cohort study; Level of evidence, 2. In 2011, a cohort of 2200 adolescents aged 15 to 19 years answered an online questionnaire on musculoskeletal pain. Of these, 504 reported knee pain, and 153 of these were clinically diagnosed with PFP. After 2 years, the 504 adolescents, as well as 252 randomly selected adolescents who did not report knee pain in 2011, were contacted again. Primary outcome at follow-up was the proportion of adolescents with knee pain during the last week prior to follow-up. Overall, 55.9% (95% CI, 50.8%-60.9%) of those reporting knee pain at baseline also reported pain 2 years later. Adolescents diagnosed with PFP had a 1.26 (95% CI, 1.05-1.50) higher relative risk (RR) of knee pain at follow-up compared with other types of knee pain. Adolescents with PFP were significantly more likely to reduce or stop sports participation compared with adolescents with other types of knee pain. Of thos...Continue Reading

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Citations

May 10, 2016·The American Journal of Sports Medicine·Bruce Reider
Jan 28, 2017·Pain·Michael S Rathleff, Thomas Graven-Nielsen
Apr 19, 2017·The American Journal of Sports Medicine·Victor R CarlsonBarry P Boden
Nov 1, 2017·British Journal of Sports Medicine·Sinead HoldenChristian J Barton
Nov 14, 2018·Clinical Orthopaedics and Related Research·Richard M SmithFrances T Sheehan
Apr 2, 2019·Journal of Sports Sciences·Nili SteinbergItzhak Siev-Ner
Jun 25, 2018·British Journal of Sports Medicine·Bill VicenzinoMichael Skovdal Rathleff
May 17, 2019·The American Journal of Sports Medicine·Michael Skovdal RathleffKristian Thorborg
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