Ankle Arthroscopy

Ankle arthroscopy is a minimally invasive surgical procedure that uses a small camera (arthroscope) and surgical instruments inserted through tiny incisions to examine, diagnose, and treat various ankle joint conditions.

The arthroscope transmits detailed images to a screen, allowing surgeons to navigate and operate with precision while causing minimal damage to surrounding tissues.

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Dr Dennis Ng Zhaowen
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Indications for Ankle Arthroscopy

Many ankle conditions that cause persistent pain or limited mobility may benefit from arthroscopic intervention.

  • Chronic Ankle Pain: Persistent discomfort unresponsive to conservative treatments like physiotherapy or medication requires diagnostic evaluation through arthroscopy to identify underlying causes.
  • Osteochondral Lesions: Damage to the cartilage and underlying bone in the ankle joint can be repaired through arthroscopic techniques to restore joint surface integrity.
  • Impingement Syndromes: Soft tissue or bony overgrowth that restricts ankle movement can be removed arthroscopically to restore normal joint mechanics.
  • Synovitis: Inflammation of the joint lining tissue can be treated through arthroscopic removal of inflamed synovial tissue.
  • Loose Bodies: Free-floating fragments of bone or cartilage within the joint space can be extracted through arthroscopic portals.
  • Ankle Instability: Ligament damage causing recurrent ankle sprains can be evaluated and repaired using arthroscopic techniques.

Benefits of Ankle Arthroscopy

Ankle arthroscopy offers several advantages over traditional open surgery for appropriate candidates.

  • Minimal Scarring
    The procedure requires only small incisions of about 1 centimetre, resulting in less visible scarring compared to open surgery.
  • Faster Recovery
    Patients typically experience shorter hospital stays and quicker return to daily activities due to reduced tissue trauma.
  • Precise Diagnosis
    Direct visualisation of joint structures enables accurate identification of problems that may not be visible on imaging studies.
  • Lower Infection Risk
    Smaller incisions and reduced exposure of internal structures decrease the likelihood of post-operative infections.
  • Reduced Pain
    Less tissue disruption typically leads to decreased post-operative pain and a reduced need for pain medication.

Surgical Techniques

Anterior Ankle Arthroscopy

The surgeon makes small openings at the front of the ankle to treat issues like joint impingement, inflammation, or cartilage damage on the talus bone. The portals are carefully placed to protect nearby nerves and blood vessels while allowing clear visibility and precise use of instruments. An additional portal may be added for more complex cases.

Posterior Ankle Arthroscopy

This method uses small openings at the back of the ankle, near the Achilles tendon, to address problems such as impingement, tendon issues, or lesions at the back of the ankle. The patient lies face down during the procedure, and the portals are placed carefully to protect nearby nerves and blood vessels. Special curved instruments may be used for better access.

Subtalar Arthroscopy

This approach focuses on the joint below the ankle to treat conditions affecting the subtalar joint. Precise placement of small openings is necessary due to the joint’s complex structure. Surgeons often use X-ray guidance to position instruments accurately and avoid harming surrounding tissues.

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Preparing for Surgery

 

  • Medical Assessment: A thorough evaluation includes blood tests, ECG, and imaging studies (X-rays, MRI) to confirm diagnosis and surgical planning. The assessment identifies any underlying medical conditions that may affect surgery or recovery. Patients with certain medical conditions may need additional specialist clearance.
  • Medication Review: Blood-thinning medications must be stopped before surgery according to specific timeframes. Patients should provide a complete list of current medications, including supplements and herbal remedies. Some medications maya need gradual adjustment under medical supervision.
  • Fasting Guidelines: No food for 6 hours and no clear fluids for 2 hours before surgery. This reduces the risk of aspiration during anaesthesia.

Step-by-Step Procedure

Anaesthesia Administration

Most ankle arthroscopies use general anaesthesia or regional nerve blocks. The anaesthetist monitors vital signs throughout the procedure. The type of anaesthesia is chosen based on various factors, including procedure complexity.

Portal Placement

The surgeon creates 2-3 small incisions around the ankle for camera and instrument access. Portal positions are marked carefully considering anatomical landmarks and neurovascular structures.

Diagnostic Assessment

The arthroscope systematically examines all joint compartments. The surgeon documents findings and identifies areas requiring treatment. This thorough examination may reveal additional problems not visible on pre-operative imaging.

Treatment Approach

Surgical steps vary based on the condition being addressed. These may involve cleaning damaged tissue, repairing injuries, or reconstructing affected areas. Each procedure is performed with care to preserve nearby structures.

Incision Closure

The small incisions are closed with sutures or surgical tape. A sterile dressing and compression bandage are applied. The ankle may be placed in a splint depending on the procedure performed.

Post-Surgical Care and Recovery

 

  • Immediate Post-Operative Care
    After surgery, patients are monitored for several hours to ensure stable vital signs and effective pain management. Ice therapy begins immediately to reduce swelling, and mobility restrictions and weight-bearing instructions are provided. Assistive devices such as crutches or walkers are used as needed.
  • Early Recovery
    Elevating the ankle above heart level during the first 24-48 hours helps control swelling. The dressing must stay clean and dry, and gentle toe and ankle movements may start as directed by the surgeon. Sutures remain in place while incision heal, and physical therapy may being with light range-of-motion exercises.
  • Long-Term Recovery
    Recovery generally takes 6-12 weeks, with physical therapy progressing to strengthening, balance training, and functional activities. Return to sports or high-impact activities follows a gradual plan based on individual progress, with regular follow-ups ensuring recovery stays on track.

Potential Risks and Complications

Ankle arthroscopy carries standard surgical risks, including infection, bleeding, and anaesthesia-related complications. Specific risks include nerve injury, which may cause numbness or tingling around the incision sites. Deep vein thrombosis can occur despite preventive measures. Some patients may experience persistent swelling or stiffness that may require extended rehabilitation. Incomplete relief of symptoms happens in some cases, particularly with complex joint conditions or advanced arthritis.

WHY CHOOSE DR DENNIS NG

Effective & Evidence-Based Orthopaedic Care

Dr. Dennis Ng is dedicated to understanding your unique needs, focusing on restoring
your active lifestyle and overall well-being.

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Specialised Experience In Complex Procedures

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PATIENT-CENTRED & PERSONALISED APPROACH

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Dedicated Aftercare For Optimal Recovery

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AFFORDABLE & TRANSPARENT PRICING

Dr Dennis Ng Zhaowen

  • Senior Consultant Orthopaedic Specialist
MBBS (Singapore)
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MRCSEd
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MMED
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FRCSEdOrth (Gold Medal Award)

Before private practice, Dr Dennis Ng was the former Deputy Head of the Shoulder & Elbow Division and Sports Knee Division in National University Hospital.

He completed his fellowship at the prestigious Fowler Kennedy Sports Medicine Centre in London, Ontario, Canada, and has rich experience treating professional athletes and returning them to sports. 

Special areas of interests include keyhole and reconstructive procedures of the knee and ankle. 

Common procedures include ACL Reconstruction, Meniscus repair, Cartilage resurfacing, Knee preservation etc.

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    Mount Elizabeth Novena Specialist Centre

    38 Irrawaddy Road #08-41
    Singapore 329563

    Monday – Friday: 9am – 1pm; 2pm – 5pm
    Saturday: 9am – 1pm
    Sunday & PH: CLOSED

    Other Clinic Location

    Gleneagles Medical Center

    6 Napier Road #07-15
    Singapore 258499

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    Saturday: 9am – 1pm
    Sunday & PH: CLOSED

    Frequently Asked Questions (FAQs)

    Can arthroscopy prevent ankle arthritis?

    Arthroscopy can address existing joint problems, such as cartilage damage or impingement, which may help improve joint function and delay the progression of arthritis. However, it cannot completely prevent the natural development of arthritis, especially if other factors like age, genetics, or injury history are involved.

    What signs should I watch for after surgery?

    Signs of potential complications include increasing pain, redness or warmth around the incision, excessive swelling, fever above 38°C, or unusual drainage from the surgical site. Contact your doctor immediately if you experience any of these symptoms.

    What conditions are not suitable for ankle arthroscopy?

    Arthroscopy is not suitable for advanced arthritis, significant joint deformity, or extensive soft tissue damage. These conditions may require alternative treatments such as open surgery or joint replacement.

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