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Published in: International Orthopaedics 12/2020

01-12-2020 | Osteoarthrosis | Original Paper

Prevalence of femoro-acetabular impingement in non-arthritic patients with hip pain: a meta-analysis

Authors: Julio J. Jauregui, Harold I. Salmons, Sean J. Meredith, Brittany Oster, Rohan Gopinath, Farshad Adib

Published in: International Orthopaedics | Issue 12/2020

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Abstract

Purpose

As the prevalence of femoro-acetabular impingement syndrome (FAIS) in symptomatic patients who lack evidence of hip osteoarthritis (OA) remains to be described, the purpose of this study was to calculate the prevalence of FAIS in this patient population.

Methods

Libraries of PubMed, Embase, and Ovid were systematically reviewed for all studies between 2009 and 2019, investigating femoro-acetabular impingement and hip pain. Level I–IV studies delineating patients with hip pain who do not have OA (Tonnis or Outerbridge grades < three) were included. Demographics, outcomes, radiographic parameters, and criteria were entered into a meta-analysis to calculate the incidence of FAIS in non-arthritic symptomatic hips.

Results

In total, 2264 patients (2758 hips) were included in the pooled analysis. Weighted mean age was 31 years. The incidence of FAIS in patients with no evidence of osteoarthritis but who complain of hip pain is 61% (47.3–74.4%). In total, 1483 hips were diagnosed with FAIS. Of the studies that described the rates of all three of the various subtypes of FAIS in their reports, 37% had a combined-type, 38% had a cam-type, and 25% had a pincer-type FAIS.

Conclusion

Femoroacetabular impingement should be suspected in 47 to 74% of patients with hip pain and without arthritis. Physicians must maintain a high index of suspicion for FAIS in young patients presenting with hip pain, as FAIS is a common and treatable condition that, if left alone, may lead to hip degeneration.
Literature
Metadata
Title
Prevalence of femoro-acetabular impingement in non-arthritic patients with hip pain: a meta-analysis
Authors
Julio J. Jauregui
Harold I. Salmons
Sean J. Meredith
Brittany Oster
Rohan Gopinath
Farshad Adib
Publication date
01-12-2020
Publisher
Springer Berlin Heidelberg
Published in
International Orthopaedics / Issue 12/2020
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-020-04857-7

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