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    New guidance recommends area under the curve/minimum inhibitory concentration (AUC/MIC) instead of trough-based monitoring for vancomycin therapy. While this transition has demonstrated improved safety and efficacy in large, tertiary centers, this has not been assessed in the primary hospital setting. The primary objectives were to evaluate the efficacy and safety of AUC/MIC monitoring in inpatient veterans treated with intravenous vancomycin for ≥72 hours compared to a historical cohort of trough-based monitoring. This was a retrospective, quasi-experimental study over 2 five-month study periods. Efficacy was evaluated by comparing clinical failure rates as defined by a persistent fever, clinical deterioration, or escalation of gram-positive therapy. Safety was determined by the incidence of acute kidney injury (AKI) defined by an acute increase in serum creatinine ≥0.3 mg/dL over 48 hours. 25 patients met the criteria in the before group and 19 in the after group. Efficacy was equivalent between groups; no patients exhibited clinical failure of vancomycin therapy. In the before group, 2 patients (8%) met defined criteria for AKI, while none in the after group experienced AKI (P = 0.21). Total vancomycin exposure was similar between groups (P = 0.56). AUC-based monitoring was equally efficacious as trough-based monitoring with similarly low rates of AKI.


    Andrea V Eads, Jennifer L Cole. Efficacy and Safety of Vancomycin Therapy After the Transition to AUC/MIC Monitoring in a Primary Facility. Journal of pharmacy practice. 2021 Mar 24:8971900211003439

    PMID: 33759615

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