A retrospective review of a high-volume orthopedic surgery practice’s billing database yielded 42 hip arthroscopies that underwent subsequent THA. An age-, sex-, and body mass index (2:1)–matched cohort of primary THAs was used for comparison.
No difference was observed in the postoperative Harris Hip Score between groups (92.1 ± 10.9 vs 90.1 ± 6.6, P = .20); however, there was greater overall improvement in Harris Hip Score in the control group (40.4 ± 18.4 vs 45.1 ± 8.7, P = .05). There were no differences observed in the complication (P = .5) or revision rates (P = .4).
With the numbers available, prior hip arthroscopy does not appear to have an impact on the functional outcomes of a subsequent THA.