Higher body mass index is a more important risk factor than sarcopenia for complications in deep inferior epigastric perforator reconstruction.
2021
BACKGROUND In recent years, breast reconstruction using autologous tissue after breast cancer surgery has become a common procedure. This study investigated the association between the occurrence of complications in breast reconstruction using deep inferior epigastric perforator (DIEP) flaps and patient risk factors among Asian women. METHODS This study included cases of breast reconstruction using DIEP flaps performed at our institution. We retrospectively investigated the relationship between preoperative and operative patient factors and postoperative complications by collecting data from medical records. Sarcopenia was also evaluated by calculating psoas muscle index from the area of the iliopsoas muscle at the level of the third lumbar vertebra using images from preoperative computed tomography. Postoperative complications were compared between a low-body mass index (BMI) group and a high-BMI group, defined using BMI values of <25 kg/m2 and ≥25 kg/m2, respectively. RESULTS A total of 129 cases of breast reconstruction using DIEP flaps were included in this analysis. The frequency of postoperative complications was significantly higher in the high-BMI group, including for skin flap necrosis of the breast (p = 0.03), recipient-site infection (p = 0.03), and donor-site seroma (p = 0.003). Moreover, abdominal circumference correlated significantly with recipient-site infection (p = 0.01) and donor-site seroma (p = 0.002). Sarcopenia did not show significant correlations with any complications. CONCLUSION BMI was identified as a risk factor for the occurrence of postoperative complications in breast reconstruction using the DIEP flap, but sarcopenia was not.
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