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  • Title: Superior gluteal artery perforator flap in bilateral breast reconstruction.
    Author: Werdin F, Peek A, Martin NC, Baumeister S.
    Journal: Ann Plast Surg; 2010 Jan; 64(1):17-21. PubMed ID: 20010408.
    Abstract:
    The incidence of bilateral breast reconstruction is increasing particularly due to genetic counseling and the option for bilateral prophylactic mastectomies. The decision to undergo a prophylactic mastectomy depends on the achievable outcomes of breast reconstruction. The free superior gluteal artery perforator flap (sGAP) flap is one option for autologous bilateral reconstruction which has rarely been reported.All bilateral sGAP flaps performed in the department of plastic surgery at the Behandlungszentrum Vogtareuth over a period of 4.5 years were retrospectively analyzed for indication, success rate, and complications.Thirty sGAP flaps were performed for bilateral breast reconstruction. The average age of the 15 women was 42 years and the average body mass index was 20.8. Indications for breast reconstruction were predominantly prophylactic mastectomies (60%). Indication for a sGAP flap was either a thin patient with insufficient abdominal tissue or a 2-staged bilateral reconstruction. 83% of the breast reconstructions were performed secondarily and 93% in 2 stages. The average operating time was 7 hours 12 minutes. Twenty-nine flaps (97%) were successful. Complications were fat necrosis (n = 3), hematoma (n = 3), and breast seroma (n = 1). Donor site complications were seroma (n = 8), infection (n = 1), and wound dehiscence (n = 1).Our results with bilateral breast reconstruction with the sGAP flap show cosmetically appealing results with high success and low complication rates on the breast. However, seromas on the donor site occurred in 27%. In addition, the sGAP flap is a technically demanding and time consuming operation. We recommend the sGAP flap when the abdomen has not enough tissue bulk to perform a deep inferior epigastric perforator flap or for a 2-staged bilateral reconstruction. This is often the case in women with a hereditary high risk of breast cancer who often present as young and slim patients.
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