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The prevalence of athletic pubalgia imaging findings on MRI in patients with femoroacetabular impingement

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Abstract

Objective

To determine the prevalence of athletic pubalgia imaging findings on MRI in patients with femoroacetabular impingement and assess for correlative risk factors.

Materials and methods

A retrospective search identified 156 hips with femoroacetabular impingement and a control group of 113 without femoroacetabular impingement that had an MRI performed between January 1, 2015, and January 1, 2018. Two fellowship-trained musculoskeletal radiologists reviewed studies for the presence of acute osteitis pubis, chronic osteitis pubis, adductor tendinosis, and tendon tear; rectus abdominis tendinosis and tendon tear; and aponeurotic plate tear. Findings were correlated with various clinical and imaging risk factors. Univariate and multivariate statistical analyses were performed.

Results

Imaging findings of adductor tendinosis (p = 0.02) and chronic osteitis pubis (p = 0.01) were more prevalent in FAI patients than controls. Univariate analyses in FAI patients showed that an alpha angle ≥ 60° had a higher prevalence of aponeurotic plate tears (p = 0.02) and adductor tendinosis (p = 0.049). Multivariate analyses showed that an alpha angle ≥ 60° had a higher prevalence of chronic osteitis pubis (OR = 2.27, p = 0.031), sports participation had a higher prevalence of adductor tendon tears (OR = 4.69, p = 0.013) and chronic osteitis pubis (OR = 2.61, p = 0.0058), and males had a higher prevalence of acute osteitis pubis (OR = 5.17, p = 0.032).

Conclusion

Sports participation, alpha angle ≥ 60°, and male sex predict a higher prevalence of athletic pubalgia imaging findings in patients with femoroacetabular impingement.

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Authors and Affiliations

  1. Department of Radiology, Division of Musculoskeletal Radiology, NewYork-Presbyterian Hospital Columbia University Medical Center, 622 West 168th Street, MC-28, New York, NY, 10032, USA

    Sowmya Varada, Matthew P. Moy, Michael J. Rasiej & Tony T. Wong

  2. Department of Radiology, Division of Musculoskeletal Imaging, University of North Carolina at Chapel Hill, 101 Manning Dr. Chapel Hill, Chapell Hill, NC, 27514, USA

    Fangbai Wu

  3. Department of Radiology, Division of Pediatric Radiology, NewYork-Presbyterian Hospital Columbia University Medical Center, 630 West 168th Street, MC-28, New York, NY, 10032, USA

    Diego Jaramillo

Authors
  1. Sowmya Varada
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  2. Matthew P. Moy
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Correspondence to Sowmya Varada.

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The prevalence of athletic pubalgia imaging findings on MRI in patients with femoroacetabular impingement

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Varada, S., Moy, M.P., Wu, F. et al. The prevalence of athletic pubalgia imaging findings on MRI in patients with femoroacetabular impingement. Skeletal Radiol 49, 1249–1258 (2020). https://doi.org/10.1007/s00256-020-03405-z

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  • DOI: https://doi.org/10.1007/s00256-020-03405-z

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