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Meniscus Repair
Dr. Ambrose Yung
What is Meniscus Repair?
Meniscus repair is a surgical procedure used to treat a torn meniscus, a piece of cartilage in the knee that absorbs shock between the thighbone (femur) and shinbone (tibia).
The goal is to restore the structure and function of the meniscus by repairing the torn tissue, helping to maintain knee stability and prevent long-term damage. Meniscus repair is often preferred over meniscus removal, as it preserves more of the knee’s natural cushioning. Meniscus tears are common knee injuries, often caused by sports activities or sudden twisting motions.
Indications for Meniscus Repair
Meniscus repair is typically recommended in cases where non-surgical treatments fail to relieve pain or restore knee function. Key situations in which meniscus repair is considered include:
- Tears in the Outer Third of the Meniscus: The outer portion of the meniscus has a rich blood supply, which supports healing after a repair. Tears in this region are often suitable for surgical repair rather than removal.
- Younger, Active Patients: Athletes and younger patients with meniscus tears may benefit from repair to preserve knee function and reduce the risk of developing arthritis.
- Associated Knee Injuries: When a meniscus tear occurs alongside injuries like ACL tears, both injuries are often addressed simultaneously during surgery.
- Knee Locking or Instability: A meniscus tear can cause the knee to lock or feel unstable, restricting movement and causing pain. Repairing the tear can restore joint stability and prevent further damage.
Benefits of Meniscus Repair
Preserves Knee Function
Repairing the meniscus helps maintain the knee’s natural shock absorption and load-bearing function, reducing the risk of long-term issues like arthritis or chronic pain.
Prevents Further Joint Damage
By restoring the meniscus rather than removing it, the procedure helps protect the knee joint from accelerated wear and tear, which can lead to future complications.
Supports Long-Term Knee Health
Meniscus repair provides better long-term outcomes for knee function compared to partial or complete removal (meniscectomy), as the natural cushioning remains intact.
Preparing for Meniscus Repair
- Medical Evaluation and Imaging: A thorough evaluation is conducted before surgery, often involving imaging tests such as an MRI to assess the extent and location of the tear. The results help determine if the tear is repairable.
- Fasting and Medication Adjustments: As with most surgeries, fasting for 8 to 12 hours before the procedure is required. Certain medications, particularly blood thinners, may need to be paused before surgery based on the surgeon’s advice.
- Home Preparation: After surgery, your mobility will be limited. Prepare your home in advance by keeping essential items within easy reach and securing crutches or a knee brace to support your recovery.
Step-by-Step Procedure
Anesthesia Administration
General anaesthesia keeps the patient fully unconscious during the procedure, while regional anaesthesia numbs the lower body, allowing the patient to remain awake but pain-free. The most suitable option will be determined based on medical factors and preferences.
Arthroscope Insertion and Tear Repair
Small incisions are made around the knee to insert an arthroscope (a thin tube with a camera) to visualise the joint. Specialised instruments are used through additional incisions to access and repair the torn meniscus. Sutures or anchors hold the tissue together to promote proper healing.
Completion and Closure
After the repair is complete, the instruments are removed, and the small incisions are closed with stitches or adhesive strips. The surgery usually takes about 1 to 2 hours.
Post-Surgical Care and Recovery
- Immediate Post-Operative Care: After the procedure, you will be monitored in a recovery area until the effects of the anaesthesia wear off. Pain medications will be provided to manage discomfort, and you will likely be discharged on the same day.
- Recovery Process: You will need to use crutches for a few weeks to keep weight off the knee while it heals. Physical therapy will be prescribed to restore knee strength and range of motion. Full recovery may take 3 to 6 months, depending on the tear and individual factors.
- Follow-Up Appointments: Regular follow-up appointments will be scheduled to monitor healing progress and remove stitches if necessary. Your surgeon will guide your return to normal activities based on your recovery.
Potential Risks and Complications
Meniscus repair is generally safe, but potential risks can include infection at the incision sites, repair failure requiring additional surgery, and blood clots due to limited mobility. Stiffness or reduced knee flexibility can also occur, though physical therapy aids in restoring movement. Early mobilisation and compression devices help prevent blood clots, while proper wound care minimises infection risk.
Our Clinic Locations
Spire Hip & Knee Centre
6 Napier Road #08-04
Singapore 258499
Monday – Friday: 9.00am – 6.00 pm
Saturday: 9.00am – 1.00pm
Sunday & PH: CLOSED
Spire Orthopaedic Physiotherapy & Rehab Centre
101 Irrawaddy Road, #18-03
Singapore 329565
Monday – Friday: 9.00am – 6.00 pm
Saturday: 9.00am – 1.00pm
Sunday & PH: CLOSED
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Frequently Asked Questions (FAQ)
Can all meniscus tears be repaired?
No, not all tears are suitable for repair. Tears in the outer part of the meniscus are more likely to heal successfully, while tears in the inner portion may require partial removal instead.
Will I be able to return to sports after meniscus repair?
Many patients can return to sports after full recovery, usually within 4 to 6 months. However, the timeline depends on the success of the repair and adherence to physical therapy.
Will I need to wear a brace after surgery?
In some cases, a knee brace is recommended to limit movement and protect the repaired meniscus during the early healing phase. Your surgeon will determine if a brace is necessary based on the repair.