J. Craig Morrison, MD
Southern Joint Replacement Institute
Understanding Hip Arthritis
Patients with hip arthritis often seek evaluation after years of gradually worsening pain and stiffness. The hallmark symptom is pain with weight-bearing activities such as standing, walking, or climbing stairs. As the disease progresses, pain may occur at rest or at night, limiting daily function and quality of life.
Hip arthritis pain may present as:
- Groin pain (most common)
- Buttock pain, sometimes related to the hip or lower back
- Thigh or knee pain, which is often mistaken for a knee problem even though the hip is the source
What is Hip Osteoarthritis?
Hip osteoarthritis is the gradual wearing away of the smooth cartilage that lines the ball-and-socket joint. Once cartilage thins or disappears, bone rubs against bone, leading to inflammation, stiffness, and pain.
Because cartilage has no nerve endings, pain arises when exposed bone and surrounding tissues bear weight. This process often worsens slowly over many years.
Diagnosis of Hip Osteoarthritis
Diagnosis is based on:
- History – pain location, timing, and severity
- Physical Exam – assessment of gait, range of motion, and strength
- X-rays – the most important diagnostic tool to evaluate joint space loss and arthritis severity
Advanced imaging is rarely needed unless symptoms suggest an alternative diagnosis.
Treatment Options for Hip Arthritis
There is no way to restore lost cartilage without surgery. Treatment focuses on decreasing pain and improving function.
Non-Operative Options
- NSAIDs and Tylenol
- Corticosteroid injections for temporary relief
- Activity modification to avoid provoking pain
- Assistive devices, such as a cane on the opposite side
- Weight loss, if needed, to reduce joint stress
If these measures fail and X-rays reveal severe degeneration, hip replacement becomes appropriate.
When to Consider Hip Replacement
Total hip replacement is an elective procedure recommended when:
- Pain significantly limits daily activity
- Conservative treatments are inadequate
- X-rays show advanced or bone-on-bone arthritis
The decision is highly individualized based on risks, benefits, pain severity, and personal goals.
About Anterior Total Hip Replacement
Total hip replacement removes the damaged ball and socket and replaces them with durable metal, ceramic, and plastic components.
The anterior approach uses an incision at the front of the hip and allows the surgeon to work between muscles rather than cutting through them.
Potential Advantages
- Less muscle disruption
- Faster early recovery
- Lower dislocation risk
- Frequently appropriate for same-day discharge
Limitations
- Not ideal for all anatomy or very muscular/heavy patients
- Temporary numbness near the incision is common due to small nerve irritation
The Surgical Process
- Duration: typically about 1 hour
- Anesthesia: usually spinal, occasionally general
- Hospital Stay: Most patients go home the same day. Some may stay overnight if major medical issues require monitoring.
Discharge requires stable vital signs, safe walking with an assistive device, and adequate pain control using oral medications.
Recovery Timeline
First 2 Weeks
- You will walk the day of surgery and may put full weight on the leg immediately unless told otherwise.
- Some soreness and stiffness are expected.
- It is best to use an assistive device (walker or cane) for at least 2 weeks to prevent falls and discourage excessive early activity.
- Physical therapy focuses on safe mobility, balance, and gentle strengthening.
- Most patients start with a walker and progress to a cane around two weeks once walking feels stable.
Weeks 2–6
- Daily function steadily improves.
- Most patients stop prescription pain medication within 2 weeks. After stopping prescription medication, you may continue using Tylenol and NSAIDs for pain management as needed.
- Outpatient physical therapy continues, focusing on hip range of motion and strengthening without weights.
- Therapy emphasizes gait training, balance, controlled movements, and gradually increasing functional activity.
- Driving typically resumes at 2–4 weeks when you are off narcotics and able to safely control the operative leg.
6 Weeks – 3 Months
- Walking without assistive devices is expected.
- Most daily activities become easier.
- Lowimpact aerobic exercise is encouraged at this point to improve stamina and endurance. Examples include walking, elliptical trainer, and stationary bike.
- Fatigue is still common during this phase, especially after increased activity, and gradually improves over time.
- Mild tightness or soreness is normal, particularly after prolonged sitting or increased activity levels.
3 Months – 1 Year
- Strength and endurance continue to improve.
- At around 3 months, strengthening with weights and heavier resistance is allowed, as tolerated and guided by your therapist or surgeon.
- Occasional stiffness, tightness, or clicking may occur but is usually not painful.
- Most patients reach about 80% recovery by 3–4 months, with continued gradual improvement up to one year.
- Most patients begin to “forget about their hip” between 9 and 12 months, as comfort, strength, and function return closer to normal.
Returning to Work and Activity
- Desk work: 2–4 weeks
- Moderate activity jobs: 4–6 weeks
- Physically demanding jobs: 8–12 weeks
Low-impact activities such as walking, biking, swimming, elliptical training, and golf are encouraged.
High-impact activities such as running or jumping may shorten the life of the implant and are discouraged.
Risks and Complications
Possible complications include:
- Infection (<1%)
- Blood clots (prevented with early walking, compression devices, and blood thinners)
- Dislocation (less than 1% with the anterior approach)
- Leg length difference, which is possible but unlikely due to the use of live Xray (fluoroscopy) during surgery to help ensure accurate leg length and component positioning
- Nerve injury or fracture (rare)
- Implant wear or loosening over many years
Long-Term Expectations
A hip replacement is designed to function reliably for 20 years or more, especially when positioned well and cared for appropriately.
To maximize longevity:
- Maintain a healthy weight
- Stay active with low-impact exercise
- Avoid repetitive high-impact activity
Most patients experience dramatic pain relief and significantly improved mobility. While a replaced hip may not feel exactly like a “normal” hip, satisfaction rates are very high.
