Achilles tendon repair reattaches the torn ends of a ruptured Achilles tendon, restoring the calf-to-heel connection that drives push-off during walking, running, and jumping. The procedure is most often performed for acute ruptures in active patients who require maximum push-off strength. Recent literature shows comparable outcomes between surgical repair and functional non-surgical treatment for many patients, with the choice individualized based on patient factors.
What Is Achilles Tendon Repair?
The Achilles tendon is the largest tendon in the body, connecting the gastrocnemius and soleus calf muscles to the calcaneus (heel bone). When ruptured, the tendon ends retract, separating the calf from its lever arm and producing significant weakness with push-off.
Achilles tendon repair reattaches the torn ends with strong sutures, allowing healing under controlled tension. Repair is typically performed:
- Open repair through a small posterior calf incision
- Mini-open or percutaneous repair through one or more small incisions, with sutures passed under the skin
Both approaches restore tendon continuity. Mini-open and percutaneous techniques aim to reduce wound complications.
Who Is a Candidate?
Candidates typically have:
- A complete acute Achilles tendon rupture
- Younger or active patients who require maximum push-off strength for sport or work
- Athletes returning to high-impact sport
- A medical profile that allows safe surgery
- Acute injury (within four weeks) for the most reliable repair
Patients with low functional demands, older patients, or those with significant medical comorbidity may be better served by non-surgical functional bracing, which has shown good outcomes in recent studies.
How the Procedure Is Performed
The procedure is performed as outpatient surgery, typically under regional anesthesia with sedation. The patient is positioned prone (face down) to access the back of the lower leg.
For open repair, a small longitudinal incision is made over the rupture. The torn tendon ends are identified, freed of any fibrin clot, and reapproximated with locking sutures (typically a Krackow or Bunnell pattern). Additional epitendinous suture reinforces the repair.
For mini-open or percutaneous repair, smaller incisions or stab wounds are used with sutures passed across the rupture under the skin using specialized devices.
Acute repair is most reliable when performed within three to four weeks of injury. Chronic ruptures (greater than six weeks) may require Achilles tendon advancement, V-Y plasty, or tendon transfer (typically flexor hallucis longus) to bridge the gap.
Recovery and Rehabilitation
Recovery follows a controlled protocol with progressive heel lift reduction:
- Equinus boot with heel lifts for two to four weeks
- Progressive heel lift reduction over six to eight weeks until the foot is in neutral
- Protected weight-bearing initially, advancing as tolerated
- Active ankle motion beginning early in modern early-functional protocols
- Strengthening at three months
- Running progression at four months
- Return to sport at four to six months
- Return to high-impact sport at six to nine months
Risks and Outcomes
Risks include wound complications (lower with mini-open and percutaneous techniques than with open repair), sural nerve injury, re-rupture, infection, and persistent calf weakness. Outcomes after acute repair are generally very good. Modern early-functional rehabilitation has narrowed the historical functional advantage of surgical over non-surgical treatment for many patients.
Why Dr. Chudik for Achilles Tendon Repair
Dr. Chudik treats the full spectrum of Achilles pathology from tendinosis through chronic rupture. The choice between surgical and non-surgical treatment is matched to the individual patient’s age, activity demands, and medical profile rather than a uniform default. For active patients requiring maximum push-off strength, surgical repair with early functional rehabilitation provides reliable restoration of strength and function.