Abstract
Purpose
This meta-analysis provides a large-scale comparison of prepectoral vs. subpectoral implant-based breast reconstruction, with primary outcomes of patient safety and efficacy.
Methods
Literature review was performed via PRISMA criteria, 33 studies met inclusion criteria for prepectoral review and 13 studies met inclusion criteria for meta-analysis. Patient characteristics and per-breast complications were collected. Data were analyzed using Cochrane RevMan and IBM SPSS.
Results
In 4692 breasts of 3014 patients that underwent prepectoral breast reconstruction, rippling was observed as the most common complication, followed by seroma and skin flap necrosis. Meta-analysis demonstrated statistically significant decrease in odds of skin flap necrosis and capsular contracture in prepectoral groups compared to subpectoral groups. Odds of infection, seroma, and hematoma were equal between the two groups.
Conclusions
Prepectoral breast reconstruction has surged in popularity in recent years. This review and large-scale analysis corroborates current literature reporting a favorable safety profile with emphasis on patient selection. Variability in skin flap thickness and vascularity mandates thoughtful selection of patients whose overall health and intra-operative skin flap assessment can tolerate a muscle-sparing reconstruction.
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OA Author made substantial contributions to the acquisition of data, interpretation of data, drafting of the work, substantively revised draft of work, approved the submitted version and agreed to be both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work. NR Author made substantial contributions to the acquisition of data, interpretation of data, drafting of the work, substantively revised draft of work, approved the submitted version and agreed to be both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work. NS Author made substantial contributions to the acquisition of data, interpretation of data, drafting of the work, substantively revised draft of work, approved the submitted version and agreed to be both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work. BLV Author made substantial contributions to the conception and design of the work, substantively revised draft of work, approved the submitted version and agreed to be both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work. ECL Author made substantial contributions to the conception and design of the work, interpretation of data, substantively revised draft of work, approved the submitted version and agreed to be both to be personally accountable for the author's own contributions and to ensure that questions related to the accuracy or integrity of any part of the work.
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Eric C. Liao has consultant agreements with, but is explicitly not a speaker for, Musculoskeletal Transplant Foundation and Allergan Inc., manufacturers of FlexHD and AlloDerm, respectively. Other authors declare that they have no conflict to interest.
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This study is a meta-analysis, with secondary analysis of published data. No human interaction was involved and no IRB review was needed.
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This study is a meta-analysis, with secondary analysis of published data. No human interaction was involved and no informed consent was needed.
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10549_2020_5722_MOESM1_ESM.tiff
Supplementary file1 (TIFF 86221 kb)—Supplemental Figure 1. Individual forest plots for primary post-operative endpoints.
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Supplementary file2 (TIFF 5439 kb)—Supplemental Figure 2. Funnel plots for primary post-operative endpoints of seroma,hematoma, and wound dehiscence, which demonstrate no publication bias across includedstudies.
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Supplementary file3 (TIF 56811 kb)—Supplemental Figure 3. Sensitivity analysis for primary post-operative endpoints of interest,which revealed no significant change in outcome with stepwise elimination of included studies.
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Abbate, O., Rosado, N., Sobti, N. et al. Meta-analysis of prepectoral implant-based breast reconstruction: guide to patient selection and current outcomes. Breast Cancer Res Treat 182, 543–554 (2020). https://doi.org/10.1007/s10549-020-05722-2
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DOI: https://doi.org/10.1007/s10549-020-05722-2