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Marissa D. Jamieson, MD, Foot & Ankle Specialist
Marissa Jamieson, MD,  CU Sports Medicine
Marissa D. Jamieson, Foot and Ankle Specialist, Instagram   Appointments:

Cherry Creek (720) 516-9445

 

Ankle Instability

Ankle Instability Surgery

Ankle instability surgery is performed to treat an unstable ankle and involves the repair or replacement of a torn or stretched ligament.

There are two types of ankle instability surgery:

  • Anatomic repair: This surgery involves shortening and tightening the stretched ligament; and
  • Non-anatomic repair: This surgery uses a tendon as a graft to replace the damaged ligament.

Ankle instability is a chronic condition characterized by a recurrent slipping of the outer side of the ankle. Instability is generally noticed during movement of the ankle joint but can also occur during standing as well.

Symptoms include the following:

  • The ankle feels unstable
  • The ankle turns repeatedly while walking on uneven surfaces or during a sporting activity.
  • Pain, tenderness and swelling is present in the ankle joint.

Ankle Instability usually results from repeated ankle sprains. Inadequate healing of a sprained ligament or incomplete rehabilitation of the affected ligament can result in instability. Recurrent injury to the ligaments further weakens them and aggravates the instability which predisposes to the development of additional ankle problems.

Indications

Surgery is recommended in patients with a high degree of ankle instability and in those who have failed to respond to non-surgical treatments.

Anatomic repair is preferred in most cases of ankle instability.

Non-anatomic repair is performed in obese patients requiring increased stability or when tightening of the stretched and scarred ligaments is not strong enough and needs to be reinforced with a tendon graft.

Surgical procedure

Ankle instability surgery involves the repair or reconstruction of the injured ankle ligaments. Ankle-instability surgeries can be categorized into either anatomic repair or non-anatomic repair, also called reconstructive tenodesis.

Anatomic repair involves reconstruction of the stretched or torn ligaments. The surgery is performed under epidural anesthesia. Your surgeon makes an incision on the ankle to expose the damaged joint and ligaments. The joint capsule and ligaments are examined and the edges of the torn ligament are shortened and repaired with sutures. The ends may be overlapped and then sutured to strengthen the ligament. Your surgeon then covers the repaired ligament with the extensor retinaculum, a dense band of connective tissue, in order to reinforce the ligament further. Range of motion is evaluated, the incision is closed and a sterile bandage is applied.

Reconstructive tenodesis is a tendon transfer procedure that uses your own tendon or a donor tendon as a graft to replace the damaged tendon. The surgery is performed under epidural anesthesia. Your surgeon makes an incision on your ankle. Your surgeon splits and harvests the peroneus brevis muscle tendon, found on the outer edge of the small toe, and weaves it through drill holes created in the fibula (calf bone) and calcaneus (heel bone) to form a ligament complex. Range of motion is evaluated, the incision is closed and a sterile bandage is applied.

Post-Operative Care

After surgery, your foot will be immobilized with a cast or splint. You will be provided crutches to avoid bearing weight on the operated ankle. Your doctor will remove the splint and provide a removable boot to be worn for 2 to 4 weeks. Physical therapy will be initiated to strengthen your joint and improve range of motion. Complete recovery may take 10 to 12 weeks.

Advantages & Disadvantages

The advantages of the anatomic repair include:

  • Simple surgical procedure that makes use of your own anatomy to repair the damage
  • Preserves complete joint mobility
  • Rapid recovery
  • Smaller incision
  • Fewer complications
  • The disadvantage of the anatomic repair includes:
  • Loosening of the ligaments, requiring additional repairs
  • The advantages of the nonanatomic repair include:
  • Provides increased strength
  • Can be used when host tissues are severely damaged
  • Provides additional stability in obese patients
  • The disadvantages of the nonanatomic repair procedures include:
  • Decreased rear foot motion
  • Does not preserve the peroneus brevis, an important structure for the ankle’s dynamic stability
  • Risks and complications.
  • As with all surgical procedures, ankle instability surgery may be associated with certain complications including:
  • Injury to the superficial nerves
  • Chronic pain
  • Stiffness
  • Need for second surgery (rare)

Ankle instability that does not respond to conservative treatment requires surgical care. Anatomic repair and nonanatomic repair are the two types of surgical procedures performed to treat ankle instability. The choice of surgery is based on your occupation, weight, activity level and the success of previous surgery. Your doctor will discuss these options with you and suggest the best possible option to suite your individual requirements.

Services

 

Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Bunion Correction


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Total Ankle Replacement


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Foot and Ankle Arthroscopy


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Claw and Hammertoe Correction


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Treatment of Foot and Ankle Fractures


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Foot and Ankle Fusion


Marissa Jamieson, MD, Sports Medicine, Foot and Ankle Specialist Achilles Tendon Repair


Marissa Jamieson, MD, Foot and Ankle Orthopedic Surgeon

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