| Tel. | : +65 6970 5905 |
| Fax | : +65 6970 5906 |
| Mobile | : +65 9898 7781 |
| : hello@bjc.sg, drkevinkoo@bjc.sg |
| Tel. | : +65 6970 5905 |
| Fax | : +65 6970 5906 |
| Mobile | : +65 9898 7781 |
| : hello@bjc.sg, drkevinkoo@bjc.sg |
| Monday to Friday | : 8:30am to 5:30pm |
| Saturday & Sunday | : Closed |
| Public Holiday | : Closed |
Ankle Replacement Surgery in Singapore
The ankle is a small yet essential joint that allows you to walk, climb stairs, exercise and perform everyday activities. It is formed by three bones: the tibia and fibula in the lower leg, and the talus in the foot.
Despite its relatively small size, the ankle can withstand forces of up to five times body weight during running or jumping. This high load, combined with a limited range of motion, makes the joint more vulnerable to injury. Over time, repeated sprains, fractures or untreated instability can accelerate joint degeneration and contribute to the development of ankle arthritis.
What Is Ankle Replacement Surgery?
Ankle replacement surgery may be considered when severe joint damage persists despite medications and physiotherapy. During the procedure, the damaged surfaces of the tibia and talus are removed and replaced with prosthetic components. These are designed to restore joint alignment, reduce pain and maintain movement.
The goal of ankle replacement is to allow more natural foot motion while reducing stress on neighbouring joints.
When Is Ankle Replacement Surgery Recommended?
Ankle replacement is typically considered when severe ankle joint damage continues to cause symptoms despite appropriate non-surgical treatment. Conditions that may lead to ankle replacement include:
Osteoarthritis
: Wear-and-tear arthritis can gradually damage the cartilage within the ankle joint, leading to pain, stiffness and reduced mobility.Rheumatoid Arthritis
: This inflammatory condition can cause progressive joint damage, resulting in pain, swelling and loss of function.Post-traumatic arthritis
: Arthritis may develop years after a significant ankle injury, such as a fracture or severe sprain, due to damage to the joint surfaces.Sports-related injuries
: Repeated ankle injuries sustained during sports can contribute to long-term joint degeneration and the development of ankle arthritis.Persisting Resting Pain
: Pain that continues even when resting may indicate advanced joint damage and ongoing inflammation within the ankle.Weight-Bearing Pain and Pressure
: Discomfort that worsens when standing or walking can significantly affect daily activities and mobility.Chronic Ankle Instability
: Repeated episodes of the ankle giving way may lead to progressive joint wear and functional limitations.Limited Range of Motion
: Stiffness and reduced ankle movement can make walking, climbing stairs and other routine activities more difficult.Impaired Walking or Mobility
: When ankle symptoms interfere with everyday movement and independence, surgical treatment may be considered.
When Is Ankle Replacement Not Recommended?
Although ankle replacement surgery can benefit selected patients, it is not suitable for everyone.
Alternative treatment options may be recommended in certain situations, including:
- Severe joint deformity, as proper alignment of the implant may not be achievable.
- Weak or fragile bones, which may not support the prosthetic components securely.
- Ongoing or recent infection, due to the risk of infection spreading to the implant.
- Poorly controlled diabetes, which can impair wound healing and increase the risk of complications.
- Advanced nerve damage, which may affect joint stability and increase the risk of injury after surgery.
A thorough assessment helps determine whether ankle replacement is appropriate or if alternative treatments should be considered.
What Happens Before Ankle Replacement Surgery?
Preparation helps optimise surgical outcomes and recovery. This usually includes a medical assessment, imaging studies and discussions about medications, activity levels and post-operative care. Patients may be advised to stop certain medications, arrange home support and plan for limited mobility during the early recovery period.
What Happens During Ankle Replacement Surgery?
Ankle replacement is performed under anaesthesia. The surgeon removes damaged joint surfaces and positions prosthetic components to restore alignment and movement. The procedure aims to relieve pain while preserving ankle motion and protecting surrounding joints.
What Happens After Ankle Replacement Surgery?
After surgery, the ankle is protected to allow healing. Pain control, wound care and gradual rehabilitation are key parts of recovery. Patients typically begin guided physiotherapy to restore strength and movement, with follow-up appointments to monitor healing and implant stability.
What Are the Benefits of Ankle Replacement Surgery?
For suitable candidates, ankle replacement surgery aims to relieve symptoms while preserving movement within the ankle joint. Potential benefits may include:
Pain Relief
: Replacing damaged joint surfaces may help reduce chronic ankle pain caused by arthritis.Improved Mobility
: Many patients experience improved movement and function following recovery and rehabilitation.Preservation of Ankle Movement
: Ankle replacement is designed to maintain motion within the ankle joint.Better Walking Mechanics
: Improved ankle function may contribute to a more natural walking pattern and greater comfort during daily activities.Improved Quality of Life
: Reduced pain and improved mobility may make it easier to participate in work, exercise and recreational activities.Reduced Stress on Surrounding Joints
: Preserving ankle motion may help reduce compensatory strain on neighbouring joints in the foot.
What Are the Risks and Complications of Ankle Replacement Surgery?
Every surgical procedure carries some degree of risk, but most patients undergo ankle replacement safely with careful planning and monitoring. Possible risks include:
Infection
: Even with sterile technique and antibiotics, there is a small risk of infection in the skin, deeper tissues or around the implant.Blood Clots
: Clots can form in the leg after surgery.Implant Wear or Loosening
: Over time, the metal and plastic parts can wear out or shift, especially in very active patients.Stiffness or Persistent Pain
: Some patients may still have stiffness or pain due to scar tissue, nerve sensitivity or arthritis in nearby joints.Nerve or Blood Vessel Injury
: Structures surrounding the ankle may be affected during surgery, although this is uncommon.Delayed Wound Healing
: Certain factors, including smoking, diabetes and circulation problems, may slow wound healing.
Cost of Ankle Replacement Surgery in Singapore
The cost of ankle replacement surgery in Singapore varies depending on factors such as the implant used, surgical complexity and hospital fees. Common cost factors include:
Type of Implant
: Implant costs can vary depending on the design, materials and technology used.Surgical Complexity
: More complex cases may require additional surgical planning, specialised equipment or longer operating times, which can influence the overall cost of treatment.Hospital Stay
: The duration of hospitalisation may affect the total cost. Patients who require a longer stay for monitoring or recovery may incur higher hospital charges.Anaesthesia and Operating Time
: Anaesthesia fees are charged separately and are influenced by the complexity and duration of the procedure.
Why Choose Our Clinic for Ankle Replacement Surgery in Singapore
Over 20 Years of Orthopaedic Experience
: Dr Kevin Koo is a fellowship-trained Senior Consultant Orthopaedic Surgeon with extensive experience managing a wide range of foot and ankle conditions.Former Director of the Foot and Ankle Service at SGH
: Dr Koo previously led the Foot and Ankle Service at Singapore General Hospital, where he treated both routine and complex foot and ankle conditions.Advanced Fellowship Training in London
: He completed specialised fellowship training in the United Kingdom, further developing his expertise in foot and ankle surgery and sports injury management.Experienced in Treating Athletes and Dancers
: Dr Koo has experience managing foot and ankle injuries in athletes, dancers and active individuals, helping them return to their activities safely.Expertise in Minimally Invasive Techniques
: Where appropriate, minimally invasive surgical approaches may be used to reduce tissue disruption and support recovery.
Frequently Asked Questions About Ankle Replacement Surgery
What are ankle replacement implants made of?
Most implants have metal components, usually titanium or cobalt-chromium alloys, paired with a high-grade plastic insert that acts as a shock-absorbing surface. These materials are chosen for durability and compatibility with the body.
Is ankle replacement painful?
Pain is common immediately after surgery, but it is carefully managed with medication and medical supervision. The long-term goal of the procedure is to significantly reduce chronic ankle pain.
What is the recovery time for an ankle replacement?
Recovery varies, but most patients regain most improvement by 6 months, with full recovery often taking 9 to 12 months. The timeline depends on individual healing speed, adherence to rehabilitation and whether there were complications.
How long will it take before I can walk after an ankle replacement?
Full walking without aids may take around 8 to 12 weeks, but balance and strength can continue to improve for months.
What physical limitations will I have after ankle replacement?
High-impact sports like running, basketball or competitive tennis are discouraged to protect the implant. Walking, swimming, cycling and golf are usually safe once fully healed.
How long do ankle replacement implants last?
Modern implants can last 10 years or more, with survival rates around 85 to 90% at the 10-year mark for suitable candidates. Lifespan depends on activity level, bone quality and surgical precision.
Can ankle replacement surgery be revised if needed?
Yes, in some cases a revision surgery can be performed if the implant wears out, loosens, or complications arise. However, revision procedures can be more complex than the initial surgery.
Are there non-surgical alternatives to ankle replacement surgery?
If your condition is not severe or greatly affecting your day-to-day life, treatment options may include physiotherapy, activity modification, supportive bracing, medications or injections. Your specialist will discuss whether these options remain suitable for your situation.
Can both ankles be replaced at the same time?
Although it is technically possible in selected cases, simultaneous replacement of both ankles is uncommon. Your surgeon will consider factors such as your overall health, mobility requirements and expected recovery before making a recommendation.
Will I need physiotherapy after an ankle replacement?
Physiotherapy is typically an important part of recovery following ankle replacement surgery. Rehabilitation helps restore strength, mobility, balance and walking function as the ankle heals.
Is ankle replacement surgery suitable for younger patients?
Ankle replacement is often considered for individuals with significant ankle arthritis, but suitability depends on factors such as age, activity level, bone quality and overall health. A detailed assessment is required to determine the most appropriate treatment approach.
Meet Our Ankle Replacement Surgeon in Singapore
Dr Kevin Koo Oon Thien
FRCSEd (Orth), FAMS
Dr Kevin Koo is a foot and ankle surgeon with over 20 years of experience in orthopaedic surgery. He completed a fellowship at Imperial College Healthcare in London, where he worked with elite athletes and professional dancers, honing his expertise in managing sports injuries.
Dr Koo's dedication to the field is evident in his numerous accolades and his former role as Director of Foot and Ankle Service at Singapore General Hospital. He also actively contributes to advancements in foot and ankle surgery through his published research in numerous peer-reviewed medical journals.
| Tel. | : +65 6970 5905 |
| Fax | : +65 6970 5906 |
| Mobile | : +65 9898 7781 |
| : hello@bjc.sg , drkevinkoo@bjc.sg |
| Mon - FriMonday to Friday | :8:30am to 5:30pm |
| Sat, Sun and PHSaturday, Sunday & PH | :Closed |
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get in touch as soon as possible.
| Tel. | : +65 6970 5905 |
| Fax | : +65 6970 5906 |
| Mobile | : +65 9898 7781 |
| : hello@bjc.sg , drkevinkoo@bjc.sg |
| Mon - FriMonday to Friday | :8:30am to 5:30pm |
| Sat, Sun and PHSaturday, Sunday & PH | :Closed |