Abstract
Purpose
To investigate the prevalence of heterotopic ossification following direct anterior approach total hip arthroplasty compared to posterior approach, performed by a single surgeon at one institution
Methods
All primary THAs performed by the senior author (JEL) over a 70-month period were reviewed, including 235 DAA and 120 posterior THAs. Brooker’s system was used to grade HO at a minimum of six months follow-up.
Results
Patients undergoing DAA were less likely to develop clinically significant HO compared to posterior THA (p = 0.04). The overall incidence of HO following DAA THA was 24.3 % (3 % grade 3 and 0 % grade 4), and following posterior THA was 27.5 % (4.2 % grade 3 and 3.3 % grade 4).
Conclusions
Lower rates of clinically significant (Brooker grade 3 and 4) HO were observed in DAA THA than in posterior approach THA. This data may be instructive when approaching THA candidates with conditions that predispose them to HO.
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Newman, E.A., Holst, D.C., Bracey, D.N. et al. Incidence of heterotopic ossification in direct anterior vs posterior approach to total hip arthroplasty: a retrospective radiographic review. International Orthopaedics (SICOT) 40, 1967–1973 (2016). https://doi.org/10.1007/s00264-015-3048-4
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DOI: https://doi.org/10.1007/s00264-015-3048-4