• Cole Roblee, Tannon Topple, Jennifer B Hamill, Maria Ibarra, Andrew Bolze, Alexander N Khouri, Jessica J Hsu, Megan Lane, William M Kuzon, Edwin G Wilkins, and Shane D Morrison.
• Section of Plastic Surgery, University of Michigan, Ann Arbor MI.
• Ann. Surg. 2023 Oct 23.

ObjectiveTo analyze the impact of Body Mass Index (BMI) on clinical and patient-reported outcomes following gender-affirming mastectomy (GM).BackgroundBMI is a barrier for obese patients seeking GM despite increasing evidence that it is safe in this population. Currently little is known about the impact of BMI on chest-specific body image and satisfaction following GM.MethodsThis single-center, cross-sectional study included individuals 18 years and older who underwent GM between 1990-2020 and were at least 2 years post-operative. Patient-reported chest-specific body image was measured using the BODY-Q and Gender Congruence and Life Satisfaction (GCLS) chest subscales. Satisfaction was measured using the Holmes-Rovner Satisfaction with Decision (SWD) scale. Clinical and demographic variables were identified from chart review. Bivariate analysis was performed to determine if BMI was associated with chest-specific body image, satisfaction, complications within 30 days or revisions in GM.ResultsTwo hundred twenty-seven individuals meeting eligibility criteria were contacted to participate and one hundred thirty-seven responded (60.4% response rate). The mean age was 29.1 (SD=9.0) and mean BMI was 30.9 (SD=8.0), with 26.4% (N=60) of the cohort having a BMI>35. Chest-specific body image, and satisfaction with decision did not vary by BMI or breast resection weight. Complications and revisions were not associated with BMI.ConclusionIndividuals undergoing GM reported high rates of satisfaction following GM regardless of BMI. Complication and revision rates did not vary significantly by BMI or breast resection weight. Surgeons should re-evaluate the role BMI plays in patient selection and counseling for GM.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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