Parameter | Bipolar Hemiarthroplasty (Partial Hip Replacement) | Total Hip Replacement (THR) |
Definition | Replacement of only the femoral head with an implant. | Replacement of both the femoral head and the acetabulum. |
Extent of Surgery | Partial replacement; acetabulum remains intact. | Complete replacement of the hip joint. |
Indications | Femoral neck fractures or localized hip damage. | Severe arthritis, trauma, or joint degeneration. |
Patient Suitability | Older or less active patients. | Younger, active patients or those with extensive joint damage. |
Recovery Time | Faster; shorter recovery period (4–6 weeks). | Longer recovery time (8–12 weeks). |
Range of Motion | Limited compared to THR. | Better range of motion and improved joint function. |
Durability | May require revision surgery over time. | Typically lasts longer with proper care. |
Cost | Generally more affordable. | Higher cost due to comprehensive joint reconstruction. |