Optimal antibiotics duration following surgical management of septic olecranon bursitis: a 12-year retrospective analysis.

El Zein, Said; Berbari, Elie F; LeMahieu, Allison M; Jagtiani, Anil; Sendi, Parham; Virk, Abinash; Morrey, Mark E; Tande, Aaron J (2024). Optimal antibiotics duration following surgical management of septic olecranon bursitis: a 12-year retrospective analysis. Journal of bone and joint infection, 9(2), pp. 107-115. Ivyspring International Publisher 10.5194/jbji-9-107-2024

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Introduction: The absence of a standardized postoperative antibiotic treatment approach for patients with surgically treated septic bursitis results in disparate practices. Methods: We retrospectively reviewed charts of adult patients with surgically treated septic olecranon bursitis at Mayo Clinic sites between 1 January 2000 and 20 August 2022, focusing on their clinical presentation, diagnostics, management, postoperative antibiotic use, and outcomes. Results: A total of 91 surgically treated patients were identified during the study period. Staphylococcus aureus was the most common pathogen (64 %). Following surgery, 92 % (84 of 91 patients) received systemic antibiotics. Excluding initial presentations of bacteremia or osteomyelitis (), the median duration of postoperative antibiotics was 21 d (interquartile range, IQR: 14-29). Postoperative complications were observed in 23 % (21 of 91) of patients, while cure was achieved in 87 % (79 of 91). Active smokers had 4.53 times greater odds of clinical failure compared with nonsmokers (95 % confidence interval, 95 % CI: 1.04-20.50; ). The highest odds of clinical failure were noted in cases without postoperative antibiotic administration (odds ratio, OR: 7.4). Conversely, each additional day of antibiotic treatment, up to 21 d, was associated with a progressive decrease in the odds of clinical failure (OR: 1 at 21 d). Conclusion: The optimal duration of antibiotics postoperatively in this study was 21 d, which was associated with a 7.4-fold reduction in the odds clinical failure compared with cases without postoperative antibiotics. Further validation through a randomized controlled trial is needed.

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