• Nora Hansen, Sasa Espino, Jordan T Blough, Michael M Vu, Neil A Fine, and Kim John Y S JYS Department of Surgery, Division of Plastic Surgery, Northwestern Hospital, Chicago, IL..
• Department of Surgery, Division of Breast Surgery, Northwestern Hospital, Chicago, IL.
• J. Am. Coll. Surg. 2018 Jul 1; 227 (1): 96-104.

BackgroundRates of mastectomy for breast cancer treatment and immediate reconstruction continue to rise. With increasing scrutiny on outcomes and patient satisfaction, there is an impetus for providers to be more deliberate in appropriate patient selection for breast reconstruction. The Breast Reconstruction Risk Assessment (BRA) Score was developed for prediction of complications after primary prosthetic breast reconstruction, focusing on calculating risk estimations for a variety of complications based on individual patient demographic and perioperative characteristics. In this study, we evaluated mastectomy skin flap necrosis (MSFN) as a function of patient characteristics to validate the BRA Score.Study DesignWe examined our prospective intra-institutional database of prosthetic breast reconstructions from 2004 to 2015. The end point of interest was 1-year occurrence of MSFN after stage I tissue expander placement.ResultsNine hundred and three patients were included; 50% underwent bilateral reconstruction. Median follow-up was 23 months. Mean 1-year complication rates were as follows: MSFN 12.4%, seroma 3.0%, infection 6.9%, dehiscence/exposure 7.1%, and explantation 13.2%. Statistically significantly higher rates of MSFN were found in older patients, smokers, patients with postoperative infections, patients with hypertension, and patients who used aspirin. Neoadjuvant or adjuvant chemotherapy and radiation, diabetes, and seroma formation did not have a statistically significant impact on necrosis rates.ConclusionsThe BRA Score was expanded to estimate complication risk after tissue expander placement up to 1 year postoperatively. The risk of MSFN as calculated by the BRA Score: Extended Length is consistent with published studies demonstrating increased risk with specific comorbidities, and further validates expansion of the BRA score risk calculator.Copyright © 2018 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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