Journal
DERMATOLOGIC SURGERY
Volume 46, Issue 7, Pages 868-875Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/DSS.0000000000002203
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Funding
- NIAMS [1P30AR069589-01]
- National Institute of Arthritis and Musculoskeletal and Skin Diseases of the National Institutes of Health [T32-AR-007465]
- Pfizer Fellowship in Dermatology Patient Oriented Research grant
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BACKGROUND Antibiotic use associated with Mohs surgery is increasing. OBJECTIVE To understand variation in practice patterns and factors associated with antibiotic use. MATERIALS AND METHODS The authors conducted a retrospective cohort study of antibiotic use among patients treated with Mohs micrographic surgery between July 1, 2013, and June 30, 2017, at an academic medical center. Multivariate logistic regression was used to evaluate for associations between antibiotic prescribing and the surgeon, site, reconstruction, and patient characteristics. RESULTS The odds of prescribing antibiotics differed significantly between each surgeon evaluated; 3.35-fold variation in postoperative antibiotic use was observed. Increasing number of surgical sites (odds ratio [OR] 1.24; 95% confidence interval [CI] 1.09-1.41), number of Mohs stages required (OR 1.18; 95% CI 1.08-1.28), and defect area (OR 1.31; 95% CI 1.25-1.37), as well as patient female sex (OR 1.14; 95% CI 1.03-1.27), were associated with increased postoperative antibiotic use, whereas age >80 was associated with decreased use (OR 0.75; 95% CI 0.64-0.87) compared with age CONCLUSION Antibiotics are more commonly prescribed for repairs that are considered higher risk for infection. However, significant variation exists between surgeons, even within a single institution, suggesting a need for prospective trials and consensus guideline development.
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