Hip Replacement Surgery Guide (2026)

What Is Hip Replacement Surgery?

Hip replacement (arthroplasty) is a surgical procedure that removes the damaged ball-and-socket joint and replaces it with prosthetic components. The surgeon removes the worn femoral head and replaces it with a metal or ceramic ball mounted on a stem inserted into the femur. The socket (acetabulum) is resurfaced with a metal cup lined with ceramic or polyethylene. Over 450,000 hip replacements are performed each year in the United States, making it one of the most reliable surgeries in all of medicine. The procedure has a 95%+ satisfaction rate and modern implants can last 25-30 years.

Surgical Approaches

Anterior Approach: The surgeon accesses the hip from the front, working between muscles rather than cutting through them. Benefits include faster early recovery, reduced dislocation risk, and less muscle damage. Increasingly the preferred approach for primary hip replacement.

Posterior Approach: The traditional approach, accessing the hip from behind. Well-established with decades of outcome data. Slightly higher dislocation risk in the first few months but excellent long-term results.

Lateral (Direct Lateral) Approach: Accesses the hip from the side. Good visibility for the surgeon but may cause temporary weakness in the abductor muscles.

Robotic-Assisted: Uses CT-guided 3D planning and a robotic arm for precise component placement. Available with anterior or posterior approaches. Adds $3,000-$5,000 to cost.

Cost of Hip Replacement

Total hip replacement costs $28,000 to $75,000 before insurance, depending on location, surgeon, facility, and approach. Outpatient (same-day) hip replacement at a surgery center can reduce facility costs by 30-40%. Most insurance plans and Medicare cover hip replacement when medically necessary. Typical out-of-pocket costs with insurance range from $3,000-$8,000.

Recovery Timeline

Day of surgery: Standing and walking with a walker within hours. Physical therapy begins.
Weeks 1-2: Walker or crutches at home. Gentle hip exercises, short walks. Managing swelling with ice and elevation.
Weeks 3-6: Transition to cane. Driving typically resumes at 2-4 weeks (anterior) or 4-6 weeks (posterior). Return to desk work.
Months 2-3: Walking independently. Most daily activities resumed. Light exercise begins.
Months 3-6: Return to low-impact activities — swimming, cycling, golf, hiking.
Months 6-12: Maximum improvement achieved. Most patients report 90%+ pain relief and dramatically improved mobility.

Choosing a Hip Replacement Surgeon

The single most important factor in hip replacement outcomes is surgeon experience and annual volume. Look for:

• Board certification by the American Board of Orthopaedic Surgery (ABOS)
• Fellowship training in adult reconstruction or joint replacement
• At least 50-100 hip replacements per year (high-volume surgeons have fewer complications)
• Experience with multiple approaches (anterior, posterior) so they can recommend the best one for you
• A hospital or surgery center with Joint Replacement Center of Excellence designation
• Ask about their dislocation rate, infection rate, and revision rate

Frequently Asked Questions

How do I know if I need a hip replacement?

Common signs include: hip pain that limits walking, climbing stairs, or getting dressed; groin or thigh pain that wakes you at night; hip stiffness that prevents you from bending to tie shoes; and failure of conservative treatments like physical therapy, anti-inflammatory medications, and cortisone injections. X-rays showing bone-on-bone arthritis confirm the diagnosis.

What is the success rate of hip replacement?

Hip replacement has a 95%+ patient satisfaction rate. Modern implants last 25-30 years in most patients. It is consistently rated one of the most successful operations in medicine for restoring quality of life.

Can both hips be replaced at the same time?

Bilateral hip replacement (both hips, same surgery) is performed in select, healthy patients. It means one surgery and one recovery period. However, most surgeons prefer staging the procedures 6-12 weeks apart to reduce surgical risk.

What activities can I do after hip replacement?

Most patients return to walking, cycling, swimming, golf, dancing, and hiking. Many patients feel their hip is better than it has been in years. High-impact activities (running, basketball, heavy lifting) are generally discouraged to protect implant longevity.

How long does hip replacement surgery take?

The surgery typically takes 1-2 hours. With pre-operative preparation and post-operative monitoring, plan for 4-6 hours at the facility. Many patients now go home the same day with the anterior approach.

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