HomeSurgery ArticlesMeniscus Repair Surgery - Knee Arthroscopy Explained

Meniscus Repair Surgery – Knee Arthroscopy Explained

Meniscus repair surgery is one of the more common knee procedures performed in Australian hospitals each year, usually recommended after a twisting injury or a gradual tear affecting the cushioning cartilage inside the knee joint.

This article explains what the meniscus does, how knee arthroscopy works, and what recovery generally involves. It’s general information only, not personal medical advice, so always talk to your GP or an orthopaedic surgeon about your own knee. If you’re having a medical emergency, call 000 or go to your nearest emergency department.

What the Meniscus Does and How Tears Happen

Each knee has two C-shaped pieces of cartilage called menisci, sitting on the inner and outer sides of the joint. They act like shock absorbers, spreading your body weight evenly and helping the knee move smoothly.

A meniscus tear happens when this cartilage is twisted, compressed, or worn down beyond what it can cope with. Tears can occur suddenly during sport, or gradually as cartilage naturally weakens with age. You can read more about common knee injuries and their symptoms.

Common Causes of Meniscus Tears

Meniscus tears tend to fall into a few recognisable patterns, including:

  • Sudden twisting or pivoting movements during sport
  • Deep squatting or kneeling while carrying load
  • Direct impact or contact injuries to the knee
  • Gradual wear associated with ageing cartilage
  • Existing joint conditions such as osteoarthritis

How Knee Arthroscopy Works

Most meniscus surgery is performed using knee arthroscopy, a type of keyhole surgery. The surgeon makes a few small incisions around the knee and inserts a thin camera, called an arthroscope, along with slender instruments to assess and treat the tear.

The camera projects images onto a screen in theatre, allowing the surgeon to look closely at the cartilage, confirm the diagnosis, and decide on the best course of action before making any repair.

Because the incisions are small, this approach generally causes less disruption to surrounding tissue than open surgery. Many patients go home the same day as day surgery, though this depends on individual circumstances.

Knee arthroscopy is usually done under general or regional anaesthesia. An anaesthetist will discuss which option suits you and answer any questions before your operation.

Repair Versus Partial Meniscectomy: How Surgeons Decide

Sometimes a torn meniscus can be stitched back together, which is what’s meant by meniscus repair surgery. In other cases, the surgeon trims away only the damaged portion, a procedure known as partial meniscectomy.

The choice depends on factors such as where the tear sits, its pattern and size, the blood supply to that part of the cartilage, and the patient’s age and activity level. Tears closer to the outer edge, where blood supply is better, often heal more reliably after repair.

This decision is made together with your specialist surgeon based on imaging and what’s found during the procedure itself. There’s no single right answer for every knee, which is why individual assessment matters so much.

It’s worth asking your surgeon directly which approach they recommend for your tear and why, so you understand the reasoning behind the plan for your knee.

Recovery Timeline and Rehabilitation

Recovery after meniscus repair surgery generally takes longer than after a meniscectomy, because the stitched tissue needs time to heal before it can bear full load again. Many people use crutches and a brace for a period afterwards.

Post-operative recovery usually involves a structured plan with allied health input, particularly physiotherapy, to gradually restore strength, movement and confidence in the knee.

Everyone heals at a different pace, and your surgeon and physiotherapist will guide how quickly you progress through each stage, rather than following a fixed timetable.

Risks and Possible Complications

Like any surgical procedure, knee arthroscopy carries some risk. These can include infection, blood clots, stiffness, ongoing pain, or the repair not healing as hoped, meaning further treatment could be needed.

Anaesthesia also carries its own small risks, which is why an anaesthetist reviews your health history beforehand and monitors you closely throughout the procedure.

Your surgeon will go through these risks during your consultation and again at your pre-admission clinic appointment, as part of gaining your informed consent before the operation.

Returning to Sport and Everyday Activity

How soon someone returns to walking, driving, work or sport varies widely depending on the type of surgery, the tear itself, and how the knee responds during rehabilitation.

Higher-impact activities and pivoting sports usually require a longer, more gradual return than everyday activities. Your surgical team can give you a realistic sense of what to expect, but no outcome can be guaranteed.

Following your physiotherapist’s guidance on strengthening and mobility exercises, rather than rushing back too soon, generally supports a smoother return to the activities you enjoy.

Medicare, Private Health Insurance and Waiting Times

In the public system, meniscus repair surgery is generally accessed via a GP referral to an orthopaedic surgeon, followed by placement on a public hospital elective surgery waitlist, with timing depending on clinical urgency.

Many Australians instead choose the private pathway, using private health insurance alongside a Medicare rebate for part of the specialist and anaesthetic costs, though waiting periods and policy exclusions can apply.

Before any surgery, your surgeon’s rooms should provide informed financial consent, setting out expected costs and any gap payments, so there are no surprises on the day.

Whichever pathway you take, it’s worth confirming your surgeon is a RACS-accredited, AHPRA-registered specialist surgeon, and asking your health fund about any relevant waiting periods for your policy.

Conclusion

Meniscus repair surgery is a well-established option for treating certain knee tears, alongside partial meniscectomy, and the right choice depends on your individual knee, lifestyle and goals. Understanding how arthroscopy works, what recovery involves, and how the public and private pathways differ can make the process feel far less daunting.

If you’re dealing with ongoing knee pain or a suspected tear, the best next step is a conversation with your GP or an orthopaedic surgeon about your options. You can also use surgery.com.au to compare surgeons across major Australian cities and start planning your next move.

FAQs

1. How long does meniscus repair surgery take?

Most knee arthroscopy procedures take somewhere between thirty minutes and an hour, though this varies depending on the extent of the tear and what the surgeon finds during the operation. Your surgical team can give you a clearer estimate based on your imaging and history.

2. Is meniscus repair surgery painful afterwards?

Some discomfort and swelling are common in the days after surgery, and your surgical team will discuss appropriate pain management with you. Discomfort generally eases over the following weeks as the knee heals.

3. Can a torn meniscus heal without surgery?

Some smaller tears, particularly in areas with good blood supply, may settle with rest, physiotherapy and activity modification. Whether surgery is needed depends on the tear’s size, location and how much it’s affecting your daily life, so this is best assessed by a specialist surgeon.

4. How long until I can walk normally after meniscus repair surgery?

Many people are walking with crutches soon after surgery and transition off them over several weeks, though repairs generally take longer than a meniscectomy to fully recover. Your physiotherapist will guide this progression based on how your knee is healing.

5. Will I need a referral to see an orthopaedic surgeon?

Yes, in Australia you typically need a surgical referral from your GP to see an orthopaedic surgeon, whether you’re pursuing treatment through the public or private system. Your GP can also advise on next steps and, where relevant, urgency of referral.