What is Hemiarthroplasty?
Hemiarthroplasty, a partial hip replacement procedure, is commonly performed for femoral neck fractures. This orthopedic intervention involves replacing only half of the hip joint, specifically the femoral head, making it suitable for subcapital neck fractures at high risk of femoral head avascular necrosis. It is often recommended for older, less active patients with comorbidities, as it has a shorter surgical duration and recovery period compared to total hip replacement.
The procedure can be completed in less than an hour and may involve either open surgery with a single long incision or a less-invasive computer-assisted approach with smaller incisions. There are two types of hemiarthroplasty based on the prosthetic head component: unipolar hemiarthroplasty surgery, which uses a single prosthetic head and stem, and bipolar hemiarthroplasty surgery, which incorporates a plastic liner to reduce wear and enhance articulation. While hemiarthroplasty offers faster recovery and shorter hospital stays, it may not be as durable as total hip replacement.
| Procedure Name | Hemiarthroplasty |
|---|---|
| Type of Surgery | Open or Minimally invasive |
| Type of Anesthesia | General or spinal anesthesia |
| Procedure Duration | 1-1.5 hours |
| Recovery Duration | Few weeks |













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