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Updated: Mar 20, 2026
Direct Mouse Trauma/Burn Model of Heterotopic Ossification
Published on: August 6, 2015
Ethnic differences in heterotopic ossification following total hip arthroplasty
G Davis1, R P Patel1, T L Tan1
1Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA.
Aims:
We aimed to assess the influence of ethnicity on the incidence of heterotopic ossification (HO) after total hip arthroplasty (THA).
Patients And Methods:
We studied the six-month post-operative anteroposterior radiographs of 1449 consecutive primary THAs (1324 patients) and retrospectively graded them for the presence of HO, using the Brooker Classification.
Results:
Based on multivariate analysis, African-American ethnicity was an independent risk factor for HO formation following THA with an adjusted odds ratio (OR) of 2.6 (95% confidence interval (CI) 1.3 to 5.2, p = 0.007) for severe HO and 1.9 (95% CI 1.3 to 2.7, p < 0.001) for any grade of HO.
Conclusion:
Given the increased risk of HO formation, particularly high grade HO, and the potentially poorer outcomes associated with HO, it is important to consider using prophylaxis against HO in patients of African-American ethnicity undergoing THA.
Take Home Message:
African Americans are at an increased risk for developing heterotopic ossification and thus may benefit from HO prophylaxis. Cite this article: Bone Joint J 2016;98-B:761-6.
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