Abstract
BackgroundThe appropriate duration of antibiotic therapy for surgical site infection (SSI) prevention in traumatic mandibular fracture repair is unknown, and practices vary significantly. The objective of this study was to characterize antibiotic duration and outcomes after surgical repair of traumatic mandibular fracture. MethodsA single-center, retrospective analysis of all adult patients who underwent surgical fixation of a mandible fracture between January 2014 and December 2016 was performed. Operative service was categorized between otolaryngology (ear, nose, and throat surgery), plastic and reconstructive surgery, and oral and maxillofacial services. Primary outcomes were SSI and operative complications (including osteomyelitis, nonunion, malocclusion, and hardware infections). Differences in antibiotic prescription pattern were analyzed using analysis of variance test and Pearson chi-squared test. ResultsA total of 75 patients were included in the study with 33 (44.0%), 26 (34.7%), and 16 (21.3%) managed by plastic and reconstructive surgery, ear, nose, and throat surgery, and oral and maxillofacial services, respectively. Median age was 30.0 y. Median injury severity score was 4.0. There was no significant difference in hospital length of stay (P = 0.44), intensive care unit length of stay (P = 0.53), or postoperative complications (P = 0.15). None of our patients developed an SSI or postantibiotics complications. Although the total inpatient duration of antibiotics was not significantly different among services (P = 0.37), there were significant differences in outpatient duration of antibiotics (P = 0.007) and total duration of antibiotics (P = 0.003). ConclusionsDuration of antibiotics is not associated with postoperative SSI or antibiotics-related complications. The wide variation in prescribing practices and lack of any clear benefit for prolonged antibiotics provides an opportunity to explore the benefits of a standardized short course of antibiotics. Level of evidenceTherapeutic study, III.
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