Cartilage Repair In Singapore

Cartilage resurfacing is a surgical procedure used to repair or replace damaged cartilage in joints, particularly the knee, to restore function, alleviate pain, and prevent further degeneration. This procedure is especially beneficial for individuals with localised cartilage damage, as it helps preserve the natural joint structure, maintain mobility, and delay or prevent the need for joint replacement, particularly in younger or active patients.

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Dr Dennis Ng Zhaowen
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Indications for Cartilage Repair In Singapore

Cartilage resurfacing is often recommended for individuals who have not responded to non-surgical treatments and aims to prevent further joint deterioration. Common indications include:

  • Persistent Joint Pain: Chronic pain in the affected joint, especially during movement or weight-bearing activities.
  • Reduced Mobility: Difficulty in performing everyday activities, such as walking, climbing stairs, or bending.
  • Cartilage Injuries: Focal cartilage defects or injuries resulting from trauma or sports activities.
  • Early-Stage Osteoarthritis: Patients with mild to moderate osteoarthritis who are not yet candidates for joint replacement.
  • Failed Non-Surgical Treatments: Surgery is considered when physical therapy, medications, or lifestyle modifications fail to improve symptoms.

Benefits of Cartilage Repair

Cartilage repair in Singapore provides several key benefits for joint health and function:

  • Pain Relief - The procedure reduces pain associated with damaged cartilage, improving comfort during movement.
  • Improved Mobility - It restores joint flexibility, making it easier for patients to perform daily activities, such as walking or climbing stairs.
  • Delays Joint Replacement - For individuals with moderate cartilage damage, resurfacing can postpone the need for joint replacement surgery.
  • Restores Joint Function - Repairing the damaged cartilage surface promotes smoother joint movement, reducing stiffness and mechanical issues.
  • Minimally Invasive Option - Certain techniques involve small incisions, resulting in shorter recovery periods and fewer visible scars.

Techniques Used in Cartilage Resurfacing

Microfracture

This is a minimally invasive technique where small holes are drilled into the bone under the damaged cartilage to promote the formation of new fibrocartilage. This method is commonly used for smaller defects and can provide temporary relief.

Osteochondral Autograft Transplantation (OAT)

In this approach, a plug of healthy cartilage and bone is taken from a non-weight-bearing part of the joint and transplanted to the damaged area. OAT is suitable for patients with isolated, smaller cartilage defects and provides more durable results by using the patient’s own tissue.

Autologous Chondrocyte Implantation (ACI)

A two-step procedure where cartilage cells are harvested from the patient, cultured in a lab, and re-implanted into the damaged area. This method is generally used for larger defects that require a more robust solution.

Pre-Operative Evaluation and Preparation

Medical History Review

The surgeon assesses the patient’s medical history, focusing on prior joint injuries, surgeries, and chronic conditions, such as arthritis or diabetes, that could affect healing and surgical outcomes.

Physical Examination

A detailed physical exam evaluates the joint’s range of motion, pain levels, and specific movement limitations. The surgeon may ask the patient to perform specific movements to identify functional issues and confirm the extent of joint dysfunction.

Imaging Tests

X-rays provide insight into bone alignment and detect signs of joint degeneration, while MRI scans offer a clearer picture of cartilage damage and help determine the most appropriate resurfacing technique. Imaging can also reveal other conditions, such as ligament tears, that may need to be addressed during surgery.

Medication Adjustments

Patients taking blood thinners may need to stop them several days before surgery to minimise bleeding risks. The surgeon also reviews other medications, such as those for diabetes or hypertension, and provides instructions for managing them before and after the procedure.

Fasting Instructions

For those receiving general anaesthesia, fasting for 6 to 8 hours before surgery is necessary to prevent aspiration, a condition where stomach contents could enter the lungs during surgery.

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Step-by-Step Procedure For Cartilage Repair

Anaesthesia

General anaesthesia ensures the patient remains unconscious and pain-free throughout the surgery. In some cases, regional anaesthesia, such as a spinal block, may be used to numb the lower body, sometimes with light sedation to keep the patient relaxed.

Incision and Access

Depending on the extent of the damage, the surgeon makes small arthroscopic incisions to insert a camera and surgical instruments. If the damage is extensive or additional repairs are required, a larger open incision may be necessary to provide better access to the joint.

Cartilage Repair or Replacement

The surgeon selects the most suitable technique based on the type and size of the cartilage damage. The quality of the surrounding cartilage and bone also influences the choice, as certain methods are better suited for healthy tissue, while others are used for more complex cases with underlying bone involvement.

Closure

After completing the repair, the incisions are closed with stitches or surgical tape. A sterile dressing is applied to protect the site from infection and promote healing. In cases requiring an open approach, additional care may be needed to manage the larger incision during recovery.

Post-Operative Care and Recovery

Immediate Postoperative Care

In the initial recovery phase, the joint may be immobilised with a brace, splint, or sling to protect the repair and limit movement, with crutches provided if needed to reduce weight-bearing. Pain is managed through prescribed medications, and patients must keep the surgical site clean, dry, and follow dressing change instructions to prevent infection. Follow-up appointments help monitor healing and address any early complications.

Rehabilitation and Recovery

Rehabilitation is structured in phases, gradually restoring mobility and strength. Passive exercises begin within the first 4-6 weeks to maintain flexibility without stressing the joint. From 6-12 weeks, active movements are introduced under supervision to restore mobility, and strengthening exercises begin around 3-6 months to build joint stability and function. Full recovery is typically achieved within 6-12 months.

Potential Risks and Complications

While cartilage resurfacing is generally safe, potential risks include infection at the incision site and post-operative stiffness, which may limit joint movement. In some cases, the transplanted cartilage may fail to integrate properly with the surrounding tissue, leading to graft failure. Rare complications include nerve injury during the procedure, which could affect sensation or function, and adverse reactions to anaesthesia, which, though uncommon, may impact recovery.

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.

Insurance

Our clinic is on the specialist panels of the following Health Networks/Insurance Plans, and we are happy to assist with your claims or
attend to any query you may have.

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    Visit Us Today

    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

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

    Frequently Asked Questions (FAQs)

    How long does cartilage resurfacing surgery take?

    The duration of the surgery depends on the technique used and the extent of the damage but typically takes 1 to 2 hours. If combined with other procedures, such as ligament repair, the surgery may take longer.

    Are there any restrictions after recovery?

    Patients are encouraged to avoid high-impact activities, such as running or jumping, for at least 6 to 12 months. Low-impact exercises, like swimming and cycling, are generally recommended to maintain joint health.

    What happens if I do not undergo surgery for damaged cartilage?

    Without surgery, cartilage damage can worsen over time, leading to chronic pain, reduced mobility, and further joint deterioration. In some cases, untreated damage can result in the need for more invasive surgeries, such as total joint replacement.

    +65 9751 1486