Contralateral THAs More Than 1 Year Apart: Do PROMs and Healthcare Utilization Differ After Each Procedure?

In patients undergoing contralateral THA > 1 year apart, baseline PROMs were slightly worse before the first THA, and improvements were slightly greater compared with the second THA, although these differences were likely not clinically significant. Clinically meaningful improvements, based on MCID and PASS thresholds, were similar at 1 year for both THAs, yet 20% to 25% of patients reported inadequate pain relief after both surgeries. Healthcare utilization was also comparable between both procedures. Surgeons can use these findings to counsel patients on the likely similar outcomes following both their THAs. Future studies should explore factors contributing to inadequate pain relief and identify strategies to improve patient outcomes after both THAs.Level of Evidenc e Level III, therapeutic study.