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  • Title: Extreme Limb Salvage: The Thin SCIP Flap for Distal Amputation Coverage in Highly Comorbid Patients.
    Author: Salibian AA, Swerdlow MA, Kondra K, Patel KM.
    Journal: Plast Reconstr Surg; 2024 Aug 01; 154(2):440-449. PubMed ID: 37647504.
    Abstract:
    BACKGROUND: Limb length preservation is correlated with overall survival. Successful free flap coverage of forefoot, midfoot, and hindfoot amputations can prevent more proximal below-knee amputations but is challenging in patients with multiple comorbidities. The thin superficial circumflex iliac artery perforator (SCIP) flap is well-suited for these patients, as it provides thin, pliable tissue from a favorable donor site. METHODS: A retrospective review of all patients with distal amputations requiring coverage with a thin SCIP flap between 2016 to 2022 was performed. Patient demographics, amputation levels, and wound characteristics in addition to flap and microsurgery details were analyzed. The primary outcome was limb salvage. Secondary outcomes included partial flap necrosis, flap revision rate, and additional postoperative complications. RESULTS: Thirty-two patients (mean age, 57.3 years) underwent reconstruction of forefoot, midfoot, and hindfoot amputations with thin SCIP flaps (mean follow-up, 36 months). Twenty-eight patients (87.5%) had diabetes, 27 (84.4%) had peripheral artery disease, and 15 (46.9%) were dialysis-dependent. Average flap size was 59.5 cm 2 and average flap thickness was 5.7 mm. Successful limb salvage was achieved in 27 patients (84.3%). Three cases (9.4%) had total flap loss. Twenty-one flaps (65.6%) had partial necrosis, of which 12 (57.1%) healed with conservative management and 7 (33.3 %) healed after late revision. CONCLUSIONS: The thin SCIP flap is a useful option for coverage of distal pedal amputations in patients with significant comorbidities. Despite higher rates of partial flap necrosis, free flap reconstruction allowed for high rates of limb salvage in a challenging patient population. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, IV.
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