By Matthew Sloan, MD
If you’re considering a hip replacement, you probably have a lot of questions—and that’s a good thing. Total hip arthroplasty is one of the most successful procedures in modern medicine, but it’s still a major decision.
In this article, I’ll walk through the 10 most common questions patients ask before hip replacement surgery, along with evidence-based insights to help you feel more confident about the process.
1. When Is the Right Time for Hip Replacement?
The right time is ultimately when your symptoms significantly impact your quality of life.
Hip replacement is elective surgery—it’s not urgent. But if:
- Pain limits your daily activities
- You’re struggling with sleep or mobility
- Conservative treatments are no longer helping
…and imaging shows advanced arthritis (often “bone-on-bone”), then you’re likely a good candidate.
👉 The decision is yours—but guided by your symptoms and your surgeon’s evaluation.
2. Am I a Good Candidate?
Candidacy depends on both joint disease and overall health.
Important factors include:
- Severity of arthritis on imaging
- Cardiovascular and pulmonary health
- Diabetes control
- Smoking status
- Body weight
Optimizing these factors before surgery reduces complications—especially infection.
📚 Evidence: Smoking, obesity, and uncontrolled diabetes are well-established risk factors for complications after joint replacement (Kapadia et al., J Arthroplasty, 2016).
3. What Type of Hip Implant Will I Get?
Most modern hip replacements use:
- Titanium stem and socket
- Highly cross-linked polyethylene liner
- Ceramic femoral head
This combination has excellent durability and low wear rates.
📚 Evidence: Highly cross-linked polyethylene has significantly reduced wear and revision rates compared to earlier materials (Kurtz et al., Clin Orthop Relat Res, 2011).
Some patients may require cemented fixation, especially with poor bone quality.
4. What Surgical Approach Will Be Used?
The most common approaches include:
- Anterior (front of hip)
- Posterolateral (back of hip)
- Lateral
The anterior approach has gained popularity because:
- Fewer postoperative restrictions
- Potentially faster early recovery
- Less muscle disruption
📚 Evidence: Some studies show faster early functional recovery with the anterior approach, though long-term outcomes are similar across approaches (Miller et al., J Arthroplasty, 2018).
👉 The most important factor: your surgeon’s experience with the approach.
5. Is Robotic-Assisted Hip Replacement Better?
Robotics helps improve:
- Implant positioning
- Leg length restoration
- Joint biomechanics
It uses preoperative CT scans to create a 3D surgical plan.
📚 Evidence: Robotic-assisted systems improve accuracy of component placement compared to conventional techniques (Domb et al., J Bone Joint Surg Am, 2020).
👉 That said, excellent outcomes are achievable with or without robotics.
6. How Painful Is Hip Replacement?
Pain varies from patient to patient, but:
- Hip replacement is generally less painful than knee replacement
- The first 1–2 weeks are the most intense
- Most patients significantly reduce narcotic use within 2 weeks
👉 Pain typically improves steadily week by week.
7. What Is the Recovery Timeline?
Typical milestones:
- 2–4 weeks: Return to driving (right hip)
- ~8 weeks: Walking more normally, off assistive devices
- 3–6 months: Functional recovery
- 1 year: Full recovery benchmark
👉 Recovery varies based on strength, health, and preoperative function.
8. What Activities Can I Do After Surgery?
You can return to most activities, including:
- Walking
- Hiking
- Cycling
- Swimming
- Golf
High-impact activities (running, jumping) may increase wear over time.
📚 Evidence: Higher activity levels may accelerate implant wear, though modern materials have improved durability (Swanson et al., J Arthroplasty, 2009).
👉 Ultimately, it’s a balance between lifestyle and implant longevity.
9. What Are the Risks?
All surgeries carry risks, including:
- Infection
- Blood clots
- Bleeding
- Nerve injury
- Need for future surgery
Hip-specific risks include:
Dislocation
- Modern anterior approach: ~0.2% risk
- Higher in patients with spinal fusion or neuromuscular conditions
Leg Length Discrepancy
- Occasionally necessary for stability
- May require a shoe lift in some cases
Nerve Injury
- Rare but possible
- Depends on surgical approach
👉 Overall, complication rates are low, but informed consent is critical.
10. How Long Does a Hip Replacement Last?
- 90–95% last 20 years
- 80–85% last 30 years
📚 Evidence: Large registry studies confirm excellent long-term survivorship (Evans et al., Lancet, 2019).
👉 Key takeaway:
- Older patients often never need another surgery
- Younger patients (<50) have a higher lifetime revision risk
Final Thoughts
Hip replacement is one of the most reliable and life-changing procedures in medicine. The key is timing it right, choosing an experienced surgeon, and understanding what to expect.
If you’re struggling with hip pain and wondering whether it’s time, the best next step is a consultation and imaging to guide the decision.
References
- Evans JT et al. How long does a hip replacement last? Lancet. 2019.
- Kapadia BH et al. Periprosthetic joint infection. J Arthroplasty. 2016.
- Kurtz SM et al. Highly cross-linked polyethylene. Clin Orthop Relat Res. 2011.
- Miller LE et al. Anterior vs posterior approach outcomes. J Arthroplasty. 2018.
- Domb BG et al. Robotic-assisted THA accuracy. JBJS. 2020.
- Swanson EA et al. Activity and implant wear. J Arthroplasty. 2009.