Vancomycin is a prophylactic antibiotic used to protect against methicillin resistant staph aureus. Recent literature has suggested that using intraosseus (IO) infusions are capable of providing improved local tissue concentrations compared to intravenous (IV) access. The purpose of this study is to evaluate clinical outcomes of patients who received pre-operative IO vancomycin for total knee arthroplasty (TKA). Patients who received IO vancomycin (500mg vancomycin in 200ml NS) as standard of care from September 1, 2018 to March 1, 2019 were retrospectively evaluated. This data was compared to primary and revision TKAs performed immediately prior to the initiation of IO administration. Evaluation included pre and post-op creatinine values, tourniquet time (TT), and knee-related 30 and 90-day complications. Data for primary and revision TKA cases were analyzed independently.Introduction
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