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  • Title: Perforator-Based Flaps for Defect Reconstruction of the Posterior Trunk.
    Author: Hernekamp JF, Cordts T, Kremer T, Kneser U.
    Journal: Ann Plast Surg; 2021 Jan; 86(1):72-77. PubMed ID: 32541540.
    Abstract:
    INTRODUCTION: Full-thickness soft tissue defects of the back remain challenging clinical problems for reconstructive surgeons. Among a vast variety of local flap options, perforator-based local flaps gain increasing popularity lately. Because mostly heterogeneous patient cohort comparison of different perforator flaps is difficult and decision-making algorithms are lacking. METHODS: Patients, who received a local perforator-based soft tissue reconstruction between 2012 and 2019, were evaluated retrospectively. Patients' data were evaluated in terms of flap type and dimension, wound size and cause, surgery time, postoperative complications, and hospitalization. A focus was set on decision making concerning reconstructive techniques and flap choice for defect closure. RESULTS: Thirty-six patients (17 women, 19 men) were included, who received 40 perforator-based local flaps to reconstruct extended defects of the posterior trunk. Mean patient age was 56.3 years and mean hospitalization was 29 days. Average time of flap surgery was 179.7 minutes. Mean flap size was 160.8 cm and average defect size was 110 cm. Defects occurred because of tumor resection (50%), orthopedic/trauma surgery (16.7%), or pressure sores (33.3%). Twenty-eight propeller flaps (PPFs, 70%) and 12 perforator-based VY-advancement flaps (P-VYF, 30%) were transferred. In 4 patients, a bilateral approach using more than one flap was necessary. Revision surgery was required in 9 patients (25%) because of postoperative hematoma (n = 3), postoperative wound infection (n = 3), partial flap necrosis (1× P-VYF) and 2 flap losses (2× PPFs). CONCLUSIONS: Pedicled perforator flaps are a reliable option for soft tissue reconstruction of complex wounds of the posterior trunk. A flexible surgical strategy is mandatory, and the individual perforator anatomy has to be considered. In most cases, P-VYFs or PPFs are reliably possible and allow sufficient defect reconstruction. However, skin incisions should always be performed in a way that classic random pattern flaps are still possible. Even in large defects combined, local perforator flaps may lead to sustainable soft tissue reconstructions without functional donor site deficits.
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