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Related Experiment Video

Updated: Aug 11, 2025

Direct Mouse Trauma/Burn Model of Heterotopic Ossification
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Heterotopic Ossification in Hip Arthroscopy.

Roberto Seijas1,2,3, David Barastegui1,2,3,4, Carlos López de Celis2

  • 1Instituto Cugat, Barcelona, Spain.

Surgery Journal (New York, N.Y.)
|February 9, 2023
PubMed
Summary

Heterotopic ossification (HO) occurred in 2.14% of patients after hip arthroscopy for femoroacetabular impingement. Factors like severe cartilage damage and partial labrectomies were linked to HO development.

Keywords:
NSAIDsarthroscopycomplicationsheterotopic ossificationhipsurgery

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Regenerative Medicine

Background:

  • Hip arthroscopy is increasingly used for hip conditions like femoroacetabular impingement.
  • Heterotopic ossification (HO) is a known complication following hip arthroscopy.
  • Understanding risk factors for HO is crucial for patient outcomes.

Purpose of the Study:

  • To determine the prevalence of heterotopic ossification (HO) after hip arthroscopy in patients with femoroacetabular impingement.
  • To compare preoperative and intraoperative variables between patients who developed HO and those who did not.

Main Methods:

  • A case-control study analyzed 700 patients undergoing hip arthroscopy for femoroacetabular impingement (2010-2017) with at least 2-year follow-up.
  • Radiographic data identified cases with HO.
  • Preoperative and intraoperative variables were compared between HO cases and matched controls.

Main Results:

  • Heterotopic ossification (HO) was identified in 15 patients (2.14%).
  • HO cases exhibited more severe cartilage injuries, a lower cam morphology ratio, and a higher rate of partial labrectomies compared to controls.
  • No significant differences in preoperative hip pain or function were found between groups.

Conclusions:

  • The prevalence of heterotopic ossification (HO) following hip arthroscopy for femoroacetabular impingement is 2.14%.
  • Severe cartilage injuries, reduced cam morphology ratio, and partial labrectomies are associated with increased HO risk.
  • Further research may explore preventative strategies for HO in at-risk patients.