Chiba University Oct 28 2025 As populations continue to age, total hip replacement (THR) is becoming an increasingly common surgical procedure. Experts estimate that approximately one million THRs are performed each year worldwide. The surgery is often life-changing, as it can fully restore the function of the hip joint, reduce pain, and allow patients to walk and bear weight again. However, as with any major surgery, the procedure is not without risks, especially for older individuals with