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      P40. THE EFFECTS OF RADIATION STATUS ON RECONSTRUCTIVE FAILURE RATES IN PREPECTORAL AND SUBPECTORAL IMPLANT-BASED BREAST RECONSTRUCTION

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          Abstract

          PURPOSE: Along with increasing breast cancer incidence (especially in younger women), annual mastectomy rates have gradually risen over the past decade. This trend is accompanied by a steady increase in implant-based breast reconstruction (IBR), as it remains the most common reconstructive approach following mastectomy. Breast implants may be placed over or under the pectoralis major muscle and multiple factors should be considered preoperatively to offer each patient the optimal approach. Identifying risk factors contributing to reconstructive failure will help in patient selection for each of these options. METHODS: We report a single institution’s IBR experience between 2007 and 2020, including cases performed by 51 plastic surgeons. For each stage of IBR, data on age, BMI, radiation status, and acute complications were tabulated. RESULTS: 1378 patients underwent subpectoral IBR (448 received radiation) and 264 underwent prepectoral IBR (79 received radiation.) Infection/wound dehiscence rates were highest in patients who underwent radiation and had prepectoral IBR (7.6%). Prepectoral IBR without radiation and subpectoral IBR with radiation resulted in similar complication rates (3.8% vs 3.6%, respectively). These complications trended higher for all patients who underwent radiation therapy. Higher rates of aesthetic reoperations occurred in subpectoral IBR with radiation (11.4%) in comparison to prepectoral IBR with radiation (1.3%) (p<0.05.) CONCLUSION: Infection rates trended higher in patients who underwent prepectoral IBR regardless of radiation status while aesthetic reoperations occurred at a higher rate for subpectoral IBR with radiation. Radiation effects should be considered in the discussion of risk factors associated with different IBR techniques.

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          Journal
          Plast Reconstr Surg Glob Open
          Plast Reconstr Surg Glob Open
          GOX
          Plastic and Reconstructive Surgery Global Open
          Lippincott Williams & Wilkins (Hagerstown, MD )
          2169-7574
          01 April 2022
          April 2022
          : 10
          : 4 Suppl , AAPS 2022 Abstract Supplement
          : 68-69
          Affiliations
          [1]Cedars-Sinai Medical Center, los angeles, CA, USA
          Article
          00134
          10.1097/01.GOX.0000828516.07027.6d
          8984578
          54c0a373-bbf4-4b12-ac34-e8925625f74b
          Copyright © 2022 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons.

          This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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