Hemiarthroplasty

What Is Hip Hemiarthroplasty?

Hip hemiarthroplasty is a surgical procedure where only the ball (femoral head) of the hip joint is replaced with an artificial implant, while the natural socket (acetabulum) is left intact. It is different from a total hip replacement, which replaces both the ball and the socket.

When Is It Needed?

Your doctor may recommend hip hemiarthroplasty if:

You have a fracture of the femoral neck (the upper part of the thigh bone near the hip).
The fracture is severe and cannot be repaired with screws or plates.
You are older or less active, and a full hip replacement may not be necessary.
You experience persistent pain and loss of mobility due to hip damage.

The Procedure Step-by-Step

Evaluation – X-rays and physical exams confirm the fracture or damage.
Anesthesia –General or spinal anesthesia is given.
Incision– The surgeon makes an incision to access the hip joint.
Removal – The damaged femoral head is removed.
Implant placement – A metal prosthesis is inserted to replace the femoral head.
Closure – The incision is closed, and recovery begins.

Recovery and Rehabilitation

Hospital stay:Usually 3–5 days.
Walking:Patients often begin walking with support within 1–2 days.
Physiotherapy: Essential to regain strength and mobility.
Return to activities: Most patients resume daily activities in 6–12 weeks.

Benefits

Provides quick pain relief after hip fracture.
Restores mobility and independence.
Shorter surgery time compared to total hip replacement.
Lower risk of complications in elderly patients.

Risks & Considerations

Possible complications: infection, blood clots, or dislocation.
The natural socket may wear down over time, sometimes requiring conversion to a total hip replacement.
Recovery depends on age, bone quality, and overall health.

Key Message for Patients

Hip hemiarthroplasty is a safe and effective treatment for hip fractures, especially in older patients. By replacing only the ball of the hip joint, it provides pain relief, restores mobility, and allows patients to return to daily activities more quickly.

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