• Yi Zhang, Jiasheng Dong, Yufei Qiao, Jinguang He, Tao Wang, and Sunxiang Ma.
• From the Shanghai Ninth People's Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
• Ann Plast Surg. 2014 Jan 1;72(1):121-30.

BackgroundThere is no consensus with regard to antibiotic prophylaxis usage in clean and clean-contaminated plastic and reconstructive surgery. This meta-analysis sought to assess the efficacy and safety of antibiotic prophylaxis and to determine appropriate duration of prophylaxis.MethodsAn English language literature search was conducted using PubMed and the Cochrane Collaboration for randomized controlled trials (RCTs) that evaluate the use of antibiotic prophylaxis to prevent postoperative surgical site infection (SSI) in patients undergoing clean and clean-contaminated plastic and reconstructive surgery. Data from intention-to-treat analyses were used where available. For the dichotomous data, results for each study were odds ratio (OR) with 95% confidence interval (CI) and combined for meta-analysis using the Mantel-Haenszel method or the DerSimonian and Laird method. Study quality was critically appraised by 2 reviewers using established criteria. STATA version 12 was used for meta-analyses.ResultsTwelve RCTs involving 2395 patients were included, of which 8 trials were considered to be of high methodological quality. Effect of antibiotic prophylaxis in plastic and reconstructive surgery was found favorable over placebo in SSI prevention (13 studies; 2449 participants; OR, 0.53; 95% CI, 0.4-0.7; P < 0.01) and the other wound complication (OWC) prevention (9 studies; 1843 participants; OR, 0.36; 95% CI, 0.15-0.84; P < 0.02). Subgroup analysis performed according to surgical wound type or the duration of prophylaxis did not modify the results except for the OWC with short-term antibiotic treatment. Compared with short-term antibiotic prophylaxis, long-term administration showed no evidence of a difference in risk of SSI (7 studies; 1012 participants; OR, 0.99; 95% CI, 0.63-1.55; P < 0.95), OWC (5 studies; 824 participants; OR, 0.92; 95% CI, 0.46-1.86; P < 0.82), and adverse event relative to antibiotic administration (3 studies; 653 participants; OR, 0.23; 95% CI, 0.01-4.92; P < 0.35).ConclusionsThis meta-analysis of RCTs provides evidence supporting that antibiotic prophylaxis reduced postoperative SSI in clean plastic surgeries with high-risk factors and clean-contaminated plastic surgeries. Besides, a short-course administration regimen seemed to be of adequate efficacy and safety. High-quality prospective trials on larger scale are needed to further confirm these findings.

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