Authors
Agustin N Posso, Audrey Mustoe, Micaela Tobin, Mohammed Yamin, Morvarid Mehdizadeh, Tricia Raquepo, Maria J Escobar-Domingo, Sarah Karinja, Ryan P Cauley, Bernard T Lee
Published in
Plastic and reconstructive surgery. Jul 25, 2025. Epub Jul 25, 2025.
Abstract
Recent antibiotic use can disrupt the human microbiota, leading to dysbiosis, which alters microbial composition and function. Despite being a clean procedure, tissue expander (TE)-based breast reconstruction is associated with surgical site infection (SSI) rates as high as 30%, suggesting the influence of various factors. This study investigates whether prior antibiotic use is associated with an increased risk of SSIs in patients undergoing TE-based breast reconstruction.
The TriNetX database was queried to identify patients who underwent TE-based breast reconstruction. Patients were classified into an exposed group, who received antibiotics within 30 days prior surgery, and a control group, who did not. Propensity score-matching was performed for infection risk factors. The primary outcome was the occurrence of SSIs, while secondary outcomes included wound dehiscence, emergency department visit, antibiotic use, and TE removal. These outcomes were assessed at 30, 60, and 90 days following surgery.
After matching, each group included 1,383 patients. At 30 days following surgery, patients who received antibiotics within 30 days prior to TE-based breast reconstruction had an increased risk of SSI (risk ratio [RR] 3.91, p<0.001), wound dehiscence (RR 2.26, p=0.002), antibiotic use (RR 2.38, p<0.001), and TE removal (RR 2.05, p<0.001). These elevated risks persisted at 60 and 90 days post-surgery.
Patients who used antibiotics within 30 days prior to TE-based breast reconstruction had an increased risk of SSIs.
PMID:
40729600
Bibliographic data and abstract were imported from PubMed on 30 Jul 2025.
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