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ANKLE ARTHROSCOPY

ANKLE ARTHROSCOPY

WHAT IS ANKLE ARTHROSCOPY

Ankle arthroscopy is a minimally invasive surgical procedure that orthopaedic surgeons use to treat problems in the ankle joint.

Ankle arthroscopy uses a thin fiber-optic camera (arthroscope) that can magnify and transmit images of the ankle to a video screen.

Ankle arthroscopies can reduce ankle pain and improve overall function.

Arthroscopy can be used to diagnose and treat different disorders of the ankle joint. The list of problems that can sometimes be treated with this technology is constantly evolving and includes:

Ankle fractures: Ankle arthroscopy may be used along with open techniques of fracture repair. This can help to ensure normal alignment of bone and cartilage. It also may be used during ankle fracture repair to look for cartilage injuries inside the ankle.

Arthrofibrosis: Scar tissue can form within the ankle. This can lead to a painful and stiff joint, known as arthrofibrosis. Ankle arthroscopy can be used to identify the scar tissue and remove it.

Infection: Infection in the joint space cannot be treated with antibiotics alone. It often requires an urgent surgery to wash out the joint. This can be done with arthroscopy.

Loose bodies: Cartilage, bone, and scar tissue can become free floating in the joint and form what is referred to as loose bodies. Loose bodies can be painful and can cause problems such as clicking and catching. Locking of the ankle joint may occur. Ankle arthroscopy can be used to find and remove the loose bodies.

Osteochondral defect (OCD): These are areas of damaged cartilage and bone in the ankle joint. OCDs usually are caused by injuries to the ankle such as fractures and sprains. Common symptoms include ankle pain and swelling. Patients may complain of catching or clicking in the ankle. The diagnosis is made with a combination of a physical exam and imaging studies. Imaging may include X-rays, MRI, or CT scan.

Surgery often consists of scraping away the damaged cartilage and drilling small holes in the bone to promote healing. Bone grafting and cartilage transplant procedures also can be performed.

Anterior ankle impingement (also referred to as athlete’s ankle or footballer’s ankle): Ankle impingement occurs when bone or soft tissue at the front of the ankle joint becomes inflamed. Symptoms include ankle pain and swelling. This can limit the ability to bend the ankle up. Walking uphill is often painful. Osteophytes (bone spurs) can be seen on X-ray. Arthroscopy can be used to shave away inflamed tissues and bone spurs.

Posterior ankle impingement: This occurs when the soft tissue at the back of the ankle becomes inflamed. Pointing the foot down can be painful. This overuse syndrome occurs commonly in dancers. It can be associated with an extra bone called an os trigonum. The problem tissue can be removed with arthroscopy.  

Synovitis: The soft tissue lining of the ankle joint (synovial tissue) can become inflamed. This causes pain and swelling. It can be caused by injury and overuse. Inflammatory arthritis (rheumatoid arthritis) and osteoarthritis also can cause synovitis. Ankle arthroscopy can be used to surgically remove inflamed tissue that does not respond to nonsurgical treatment.

Unexplained ankle symptoms: Occasionally patients develop symptoms that cannot be explained by other diagnostic techniques.  Arthroscopy provides the opportunity to look directly into the joint. The surgeon can then identify problems that may be treated with surgery.

Recovery

You can expect some pain and swelling following surgery. The leg may need to be kept elevated. You may need to take oral pain medication for several days. You may be able to walk on the leg immediately, or you may need to wait several months before putting weight on the leg. This will depend on the type of surgery performed and the recommendations of your surgeon.

Physical therapy may also be used.

Risks and Complications

All surgeries come with possible complication.

Potential complications specific to ankle arthroscopy include injury to nerves and blood vessels around the ankle. Numbness or tingling at the top of the foot can occur approximately 10 percent of the time. This typically resolves over time.

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