Journal
ANNALS OF PLASTIC SURGERY
Volume 76, Issue 3, Pages 311-314Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SAP.0000000000000545
Keywords
autologous breast reconstruction; radiation-induced damage; intraoperative complications; radiation; postoperative complications; free flap breast reconstruction
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Background Radiation induces vessel damage and impairs tissue healing. To date, only 1 study has examined radiation's impact in autologous breast reconstruction on intraoperative vascular complications and postoperative outcomes. In this follow-up paper, we examine a larger cohort with an improved study design to better control for patient characteristics. Methods A database of 1780 patients who underwent autologous breast free flap reconstruction at the University of Pennsylvania's Health System between 2003 and 2014 was searched for patients who underwent bilateral breast reconstruction after unilateral radiation, returning 199 patients for review. These were then analyzed for intraoperative vascular complications as well as postoperative complications. McNemar tests were performed on all variables, comparing between radiated and nonradiated fields. Results Fields with prior radiation were significantly more likely to have any type of intraoperative vascular complication and need for arterial anastomotic revision compared to fields without prior radiation (14% versus 7%, P = 0.03 and 8% versus 3%, P = 0.04, respectively). Although there was a trend for more frequent arterial thrombosis in radiated compared to nonradiated fields, this was nonsignificant (7% versus 3%, P = 0.08). There was no significant difference in venous thrombosis or need for venous anastomotic revision. Radiated fields were significantly more likely to have postoperative wound infections compared to nonradiated fields (4% versus 0.5%, P = 0.04). There was no difference in other postoperative complications, including postoperative thrombosis, flap loss, mastectomy flap necrosis, fat necrosis, hematoma, seroma, or delayed wound healing. Conclusions Intraoperative vascular complications and postoperative wound infections are significantly more likely to occur in autologous breast free flap reconstruction with previous radiation therapy. It is important to plan for and counsel patients that fields with previous radiation are at higher risk for these complications.
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