Foot and ankle surgery is a specialized subspecialty of orthopedic surgery dedicated to the operative management of bone, joint, ligament, and tendon disorders affecting the lower extremity. The primary goal of intervention is to re-establish anatomical alignment, stabilize unstable joints, relieve chronic pain, and restore functional gait dynamics.

Surgical techniques range from minimally invasive arthroscopy and percutaneous osteotomies to major reconstructive procedures, total joint replacements (arthroplasty), and joint fusions (arthrodesis). Guidelines from the American Orthopaedic Foot & Ankle Society (AOFAS) and the American Academy of Orthopaedic Surgeons (AAOS) emphasize structural preservation, biomechanical restoration, and patient-specific surgical selection based on clinical and radiographic criteria.

Foot and ankle surgery begins with regional popliteal or ankle block anesthesia combined with general or spinal anesthesia. A surgical tourniquet is applied to the thigh or calf to provide a bloodless field. Depending on the procedure, open incisions or small arthroscopic portals are created over the target joint or tendon. For osteotomies or fusions, bone cuts are made with precision power saws, articular cartilage is thoroughly debrided down to subchondral bone, and structural hardware (plates, lag screws, or intramedullary nails) is placed under fluoroscopic X-ray guidance. Ligament reattachment or tendon transfers are secured using suture anchors or bone tunnels. Incisions are closed in layer-by-layer anatomical fashion, and a sterile compression splint is applied.

• Substantial Pain Relief: Relieves recalcitrant joint and soft-tissue pain caused by arthritis, structural deformities, or chronic instability.
• Restoration of Deformity: Realigns misaligned bony structures, restoring foot arch architecture and toe position.
• Functional Gait Improvement: Enhances walking efficiency, stance stability, and overall weight-bearing tolerance.
• Prevention of Secondary Degeneration: Correcting biomechanical abnormalities prevents accelerated wear on adjacent joints and soft-tissue structures.
• Improved Mobility and Independence: Enables patients to resume daily walking, recreational activities, and physical exercise.

Recovery from foot and ankle surgery varies according to the specific procedure performed, bone quality, and tissue healing capacity.

• Weeks 1–2: Strict limb elevation, pain management, and non-weight-bearing status in a splint. Sutures or staples are removed at approximately day 14.
• Weeks 3–6: Transition into a rigid removable boot or cast. Gradual initiation of partial weight-bearing may begin for specific soft-tissue or stable osteotomy procedures, while fusions remain non-weight-bearing.
• Weeks 6–12: Serial weight-bearing X-rays assess bone healing (bridging trabeculae). Transition to normal stiff-soled footwear with supportive orthotics. Physical therapy commences to regain range of motion and muscular activation.
• Months 3–6: Progressive strengthening, gait retraining, and low-impact activity integration. Swelling gradually subsides but may persist with prolonged standing.
• Months 6–12: Final tissue maturation and bone remodeling. Return to full unrestricted physical activities and sports based on surgeon clearance.

Foot and ankle surgery addresses a wide array of congenital, degenerative, inflammatory, and traumatic conditions, including:

• Hallux Valgus (Bunions): Progressive deformity of the first metatarsophalangeal joint causing painful bony prominences and digital mis-alignment.
• Severe Ankle Osteoarthritis: End-stage cartilage destruction resulting in joint space narrowing, bone spurs, and severe activity-limiting pain.
• Chronic Ankle Instability: Persistent lateral ankle weakness and recurrent sprains due to stretched or torn lateral ligaments (anterior talofibular and calcaneofibular ligaments).
• Achilles Tendinopathy and Ruptures: Degenerative tears or complete disruptions of the Achilles tendon requiring open or minimally invasive repair.
• Adult-Acquired Flatfoot Deformity (Progressive Collapse Foot Deformity): Posterior tibial tendon dysfunction leading to arch collapse and foot abduction.
• Hammertoes and Claw Toes: Fixed flexion deformities of the lesser interphalangeal joints causing painful calluses and shoe wear difficulty.
• Foot and Ankle Fractures: Complex intra-articular fractures of the talus, calcaneus, ankle mortise, or metatarsals requiring open reduction and internal fixation (ORIF).
• Plantar Fasciitis (Refractory): Recalcitrant plantar fascia thickening and heel pain failing conservative management for over 6 to 12 months.

Preoperative preparation involves a complete medical evaluation including blood tests, electrocardiogram (ECG), and chest radiography if clinically indicated. Weight-bearing plain radiographs are essential; CT or MRI scans may be obtained for complex articular or soft-tissue assessment. Patients must achieve optimal glycemic control (typically HbA1c under 7.5% to 8.0%) and discontinue all nicotine products at least 4 to 6 weeks prior to surgery to minimize wound breakdown and nonunion risks. Non-steroidal anti-inflammatory drugs (NSAIDs) and blood-thinning medications are held under physician guidance before the operation.

Complications are categorized by frequency and clinical impact. Common mild side effects include postoperative swelling, transient local numbness, and wound discomfort. Uncommon risks include superficial surgical site infections, delayed wound healing, deep vein thrombosis (DVT), and hardware prominent pain requiring hardware removal. Rare but serious complications include deep joint infection (septic arthritis), nonunion (failure of bone to fuse), malunion (healing in poor alignment), complex regional pain syndrome (CRPS), and pulmonary embolism (PE).

Pre-Procedure Evaluation

Patients undergo a comprehensive clinical assessment, including physical examination of weight-bearing alignment, vascular status, and neurological function. Weight-bearing radiographs, computed tomography (CT), or magnetic resonance imaging (MRI) are performed to evaluate bone quality, joint degeneration, and soft-tissue integrity. Preoperative medical optimization includes glycemic control and smoking cessation.

Surgical Intervention

The procedure is executed under regional nerve block, general anesthesia, or a combination of both. Depending on the pathology, surgeons perform tendon repairs, bone resections, osteotomies with internal fixation (plates and screws), joint fusions, or total joint replacement under sterile tourniquet control.

Immediate Recovery Phase

Postoperative care focuses on swelling management, pain control, and neurovascular monitoring. The operative limb is immobilized in a surgical splint, cast, or specialized rigid boot. Elevation above the heart level is enforced for the first 10 to 14 days to promote wound healing.

Rehabilitation and Follow-Up

Weight-bearing status progresses systematically from non-weight-bearing to full weight-bearing based on radiographic evidence of bone healing or soft-tissue repair. Targeted physical therapy restores ankle range of motion, calf muscle strength, and proprioception over 3 to 12 months.