Bilateral Hip Replacement

What is Bilateral Hip Replacement?

Bilateral hip replacement is a surgical procedure in which both hip joints are replaced under the same anaesthetic. Dr Williams offers this to patients whose arthritis significantly affects both hips, causing pain, stiffness, and difficulty walking. The goal of surgery is to reduce pain, improve mobility, and restore functional capacity.

Bilateral Hip Replacement

Who is Suitable for Bilateral Hip Replacement?

People who may be suitable include:

  • Severe arthritis in both hips: Pain and stiffness that significantly affect walking, sleep, and daily activities despite non-surgical treatments.
  • Failed conservative treatments: Little or no improvement after physiotherapy, pain medication, injections, or lifestyle changes.
  • Good overall health: Individuals without serious heart, lung, kidney, or uncontrolled medical conditions that would increase surgical risk.
  • Reasonable fitness and strength: Adequate muscle strength and balance to cope with rehabilitation after surgery.
  • Motivated for recovery: Willingness to engage in physiotherapy and follow post-operative advice.


Some people may not be suitable for simultaneous bilateral surgery, but could still have staged hip replacements. Those with significant medical conditions, advanced age with frailty, or higher anaesthetic risk are often advised to have each hip replaced separately to reduce strain on the body.


A thorough discussion with Dr Williams is essential to determine the safest and most effective approach in each individual case.


Benefits of Bilateral Hip Replacement

When appropriate, bilateral hip replacement can offer several important benefits.

  • Pain relief in both hips: Replacing both joints alleviates pain on both sides, reducing reliance on analgesics.
  • Improved mobility and balance: Restoring both hips can improve walking, posture, and stability more evenly.
  • Single recovery period: In simultaneous surgery, rehabilitation occurs once rather than twice, which may reduce overall time off work or daily activities.
  • Symmetry of movement: Replacing both hips together can reduce the imbalance that sometimes occurs when one hip is replaced while the other remains painful.
  • Better quality of life: Many people report improved sleep, greater independence, and the ability to resume low-impact activities.


For some individuals, a staged approach still offers these benefits but spreads recovery over a longer period. While recovery may take longer overall, it may be safer for individuals with higher medical risks. The minimum recommended time between staged hip replacements is usually 8 weeks.


Bilateral Hip Replacement Procedure

Dr Williams performs Bilateral hip replacement under general and spinal anaesthesia. The surgery takes about 3 hours and is performed with the patient lying comfortably on their back, as Dr Williams uses the direct anterior approach.


The anterior approach makes simultaneous bilateral hip replacement logistically easier as the patient does not need to be repositioned during surgery.


Dr Williams will usually ask you to nominate the most painful hip, and this hip is operated on first. This way, if the anaesthetist decides that it is safest to postpone the second side, the most symptomatic hip is prioritised.


See here for more details about the anterior hip replacement procedure.


What to Expect After a Bilateral Hip Replacement?

Recovery after bilateral hip replacement is gradual and requires commitment to rehabilitation. The early phase focuses on pain control, mobility, and the prevention of complications.


In the hospital, physiotherapy usually starts within 24 hours. Patients are assisted in sitting, standing, and taking their first steps using a walker or crutches. Learning safe movement techniques is essential to protect the new joints.


Pain and swelling are expected but are managed with medication, ice therapy, and gradual activity. Fatigue is common, particularly when both hips are replaced simultaneously.


During the first few weeks at home:

  • Mobility: Walking aids are usually required initially
  • Exercises: Daily physiotherapy exercises support strength and flexibility
  • Wound care: Incisions should be kept clean and monitored for signs of infection
  • Daily activities: Tasks such as dressing and bathing may need temporary assistance


Most people notice steady improvement over the first 6 to 12 weeks. Driving, returning to work, and resuming normal routines depend on progress, job demands, and medical advice.


Full recovery, including strength and endurance, can take several months. Many patients can return to low-impact activities such as walking, swimming, and cycling once healing is complete.


Bilateral Hip Replacement Prognosis

The long-term outlook after bilateral hip replacement is generally very positive for appropriately selected patients. Most people experience significant pain relief, improved movement, and better quality of life.


Artificial hip joints are designed to be durable. Modern implants often last 15 to 20 years or longer, particularly when patients adhere to activity recommendations and maintain overall joint health.


Several factors influence prognosis:

  • Overall health: Good general health supports better healing
  • Rehabilitation effort: Consistent physiotherapy improves strength and function
  • Weight management: Maintaining a healthy weight reduces stress on implants
  • Activity choices: Low-impact activities help preserve joint longevity


Many patients report improved sleep, increased independence, and the ability to participate in activities that were previously too painful. While minor stiffness or discomfort may persist, severe arthritic pain is usually relieved.


Bilateral Hip Replacement Risks

Specific risks related to hip replacement include:

  • Dislocation: The ball may come out of the socket, particularly early on
  • Leg length differences: Usually minor and correctable
  • Nerve or blood vessel injury: Rare but possible
  • Implant wear or loosening: Over many years
  • Fracture: Small cracks around the bone can occur during surgery or afterwards as a result of a fall. 


Simultaneous bilateral surgery may carry slightly higher short-term stress on the body due to longer operating time. This is why careful patient selection is critical. Staged surgery may reduce certain risks but entails two procedures and two recoveries.


Dr Williams will discuss individual risk factors and strategies to reduce complications, including blood-thinning medication, early mobilisation, and infection-prevention measures.