Partial Hip Replacement: Procedure, Recovery & Risks

Hip pain that won’t go away can make even simple things — climbing stairs, tying your shoes, or a short walk — feel exhausting. For many older adults, especially after a fall or a hip fracture, partial hip replacement becomes the fastest route back to a pain-free, independent life.

This complete guide breaks down what the surgery actually involves, what recovery looks like week by week, and the risks you should know about before making a decision — in plain, easy-to-understand language.

What Is Partial Hip Replacement?

Partial hip replacement, also known as hemiarthroplasty, replaces only the “ball” of the hip joint (the femoral head) with a prosthetic implant. In contrast, the natural hip socket (acetabulum) is left untouched.

This is different from a total hip replacement (THR), where both the ball and socket are replaced.

• Used mainly for elderly patients with a fractured neck of the femur
• Preserves healthy socket cartilage, so less bone is removed
• Shorter surgery time than total hip replacement
• Common in patients over 65 with limited mobility needs

Who Needs a Partial Hip Replacement?

Not every hip problem requires this surgery. Doctors typically recommend it when:

• You’ve suffered a hip fracture from a fall or accident
• The socket cartilage is still healthy (no arthritis in the socket)
• You’re an older adult with lower activity demands
• A quicker recovery with a smaller surgical scope is medically safer for you

If arthritis has damaged both the ball and socket, your surgeon will usually recommend total hip replacement (THR) instead.

Partial Hip Replacement Surgery: Step-by-Step

Understanding the partial hip replacement surgery process can ease pre-op anxiety. Here’s what typically happens:

1. Anaesthesia — general or spinal anaesthesia is administered
2. Incision — a cut is made on the side or back of the hip
3. Removal of damaged femoral head — the fractured or damaged ball is removed
4. Implant placement — a metal or ceramic prosthetic head is fitted onto the femur stem
5. Closure — the incision is closed with sutures or staples

The entire procedure usually takes 1.5 to 2 hours, and most patients are encouraged to stand or take a few steps within 24 hours of surgery.

Hemiarthroplasty vs Total Hip Replacement (THR)

A common point of confusion for patients is choosing between hemiarthroplasty and THR. Here’s a quick comparison:

Factor	Hemiarthroplasty (Partial)	Total Hip Replacement
Parts replaced	Femoral head only	Femoral head + socket
Best for	Fractures, low-activity elderly patients	Arthritis, high-activity patients
Surgery duration	Shorter	Longer
Recovery speed	Generally faster	Slightly longer
Long-term durability	Moderate	Higher, especially for active patients

Recovering from Partial Hip Replacement

Recovering from partial hip replacement happens in phases. Most patients regain independence faster than they expect, provided they follow their rehab plan closely.

Week 1–2: Hospital & Early Mobility

• Physiotherapy begins within 24-48 hours
• Walking with a walker or crutches
• Pain managed with prescribed medication
• Blood thinners to prevent clots

Week 3–6: Home Recovery

• Gradual reduction in walking aid dependency
• Light household movement encouraged
• Continued physiotherapy exercises

Month 2–3: Regaining Strength

• Most patients walk without support
• Strength and balance training intensifies
• Return to daily routine activities

Month 3–6: Full Recovery

• Near-complete mobility for most patients
• Long-distance walking and light activities resume

Risks and Possible Complications

As with any surgery, partial hip replacement carries some risks. Being informed helps you spot warning signs early.

• Infection at the surgical site
• Blood clots (deep vein thrombosis)
• Dislocation of the new joint
• Implant loosening over time
• Leg length differences (usually minor)
• Nerve or blood vessel injury (rare)

Choosing an experienced orthopedic surgical team significantly lowers these risks — which is why the right hospital and surgeon matter as much as the surgery itself.

Tips for a Faster, Safer Recovery

• Follow your physiotherapy schedule without skipping sessions
• Use assistive devices (walker/cane) as advised — don’t rush unaided walking
• Keep the surgical site clean and dry
• Avoid crossing legs or bending the hip beyond 90 degrees initially
• Attend all follow-up appointments for implant checks

Frequently Asked Questions

1. Is a partial hip replacement major surgery?

Yes, it is considered major orthopedic surgery since it involves anaesthesia and implanting a prosthetic joint. However, it’s generally less extensive than a total hip replacement, and most patients recover well with proper post-operative care.

2. What is the recovery time for partial hip replacement?

Most patients start walking with support within a day or two and see significant improvement within 6-8 weeks. Full recovery, including strength and stamina, typically takes about 3-6 months.

3. What is the most painful part of a hip replacement? The first 3-5 days after surgery are usually the most uncomfortable, as swelling and incision pain are highest. Pain is managed with medication and typically eases significantly within the first two weeks.

4. Can you sleep on your side after partial hip replacement?

surgeons advise avoiding side-sleeping for the first 6 weeks to prevent dislocation. A pillow between the knees is often recommended when sleeping on the non-operated side, once cleared by your doctor.

5. What are the common side effects of partial hip replacement surgery?

Common side effects include swelling, bruising, temporary stiffness, and mild pain around the incision. Less common issues include infection, blood clots, or leg length changes — your surgeon will monitor you closely for these.

6. How soon can you walk after hip replacement?

Most patients take their first assisted steps within 24 hours of surgery, as early mobility helps reduce complications and speeds up recovery.

7. What is the most commonly reported problem after hip replacement surgery?

Stiffness and mild discomfort during physiotherapy are the most commonly reported issues, followed by temporary swelling. Serious complications like dislocation or infection are relatively rare with proper post-surgical care.

Conclusion

Partial hip replacement can restore mobility and independence, especially for elderly patients recovering from a hip fracture. With the right surgical team, realistic expectations, and consistent physiotherapy, most patients return to their daily routines within a few months.

If you or a loved one are exploring hip replacement options, Prime Ortho — Best Orthopedic Hospital in East Delhi offers experienced orthopedic care to help you make the right decision for long-term joint health and mobility.