Simultaneous total hip and knee arthroplasties in hemophilic arthropathy: series of 5 cases

Objective: This study aimed to compare preoperative and postoperative measures in haemophiliacs who had simultaneous total hip and knee arthroplasties. Methods: A retrospective database search identified five patients with severe factor 8 deficiencies who underwent simultaneous hip and knee joint replacement surgery between 2002-2018. Preoperative and postoperative evaluations included Harris Hip Score (HHS), Knee Society Score (KSS), Knee Injury and Osteoarthritis Outcome Score (KOOS), range of motion, flexion contracture (FC), Visual Analog Scale (VAS), hip-knee angle, and leg length discrepancy. Results: The mean age of the patients was 50.8 years, with a mean follow-up duration of 60 months. Preoperative knee ROM was 55 degrees, improving to 73.8 degrees postoperatively. Preoperative knee FC was 13.7 degrees, improving to 10 degrees postoperatively. HHS increased from 45.6 to 75.7, KSS increased from 36 to 69.3, and KOOS total score increased from 34.4 to 82.7. VAS scores decreased from 6.3 to 1.3. One patient experienced prolonged bleeding and subsequent complications, while the others showed significant improvements. Conclusion: Simultaneous hip and knee arthroplasties in hemophiliacs may provide benefits in terms of physical and functional gains. However, the increased risk of complications necessitates careful patient selection. For patients with comorbidities, staged surgeries may be advisable to avoid potential complications. Level of Evidence: Level IV, Therapeutic study.