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  • Title: Experimental study of pedicled subcostal artery perforator (SCAP) flap: A new application in breast reconstruction.
    Author: Delchet O, Majoulet L, Avisse C, Stroumza N.
    Journal: J Plast Reconstr Aesthet Surg; 2019 Aug; 72(8):1299-1303. PubMed ID: 31103612.
    Abstract:
    BACKGROUND: Latissimus dorsi flap is the gold standard for pedicled breast reconstruction but is limited by donor site scarring, which is difficult to conceal, and a high rate of post-operative seroma. We investigated the anatomic characteristics and feasibility of using a subcostal artery perforator (SCAP) flap, which was taken from the flank area and vascularised by a perforator artery through a subcostal pedicle, for a breast reconstruction. METHODS: A literature review was undertaken to determine the anatomy of the SCAP flap pedicle and the vascular supply to this dermal-fat flap. Pedicled SCAP flaps were dissected on cadavers to identify the anatomy of the perforator arteries and the pedicle length. Pedicled SCAP flaps were then tunnelled through the chest area to evaluate their feasibility for breast reconstruction. RESULTS: Twelve SCAP flaps were prepared on six cadavers. Mean pedicle length was 17 cm (14.5-20 cm). Mean flap size was 13 × 18 cm (11.5 × 15.5-15 × 21 cm). For each flap, a pedicle of sufficient length was dissected to allow the tunnelling of the flap and to perform breast reconstruction with a dermal-fat flap of adequate size. In all cases, an SCAP flap was prepared, without taking muscle, to reduce the risk of parietal complications at the donor site in future clinical applications. CONCLUSION: Pedicled SCAP flap is a feasible option in breast reconstruction and could represent a less arduous surgical alternative to free flaps for some patients. Donor site scarring was acceptable. Clinical application of SCAP flaps should be investigated further.
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