Acute Kidney Injury Associated with Area under the Curve versus Trough Monitoring of Vancomycin in Obese Patients

Vancomycin is a first-line agent used in the treatment of methicillin-resistant Staphylococcus aureus; however, vancomycin is associated with acute kidney injury (AKI). Previous literature demonstrates decreased incidence of AKI using 24-h area under the concentration-time curve (AUC ) monitoring, b...

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Veröffentlicht in:Antimicrobial agents and chemotherapy 2022-01, Vol.66 (1), p.e0088621-e0088621
Hauptverfasser: D'Amico, Heather, Wallace, Katie L, Burgess, Donna, Burgess, David S, Cotner, Sarah, Mynatt, Ryan, Li, Nannan, Stromberg, Arnold, VanHoose, Jeremy
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Sprache:eng
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Zusammenfassung:Vancomycin is a first-line agent used in the treatment of methicillin-resistant Staphylococcus aureus; however, vancomycin is associated with acute kidney injury (AKI). Previous literature demonstrates decreased incidence of AKI using 24-h area under the concentration-time curve (AUC ) monitoring, but its safety is unknown in obese populations. Patients ≥18 years, with body mass indices (BMI) ≥30 kg/m , admitted between August 2015 and July 2017 or October 2017 and September 2019, who received vancomycin for ≥72 h and had level(s) drawn within 96 h of initiation were included. The primary outcome was incidence of AKI. Secondary outcomes included inpatient mortality rate, median inpatient length of stay, median vancomycin trough concentration, and median vancomycin AUC . AKI was identified using the highest serum creatinine value compared with the value immediately prior to vancomycin initiation based on Kidney Disease Improving Global Outcomes (KDIGO) criteria. Overall, 1,024 patients met inclusion criteria, with 142 out of 626 patients in the trough group and 65 out of 398 patients in the AUC group meeting criteria for AKI (22.7% versus 16.3%,  = 0.008). Logistic regression of the data to account for confounding factors maintained significance for the reduction in incidence of AKI with AUC monitoring compared to trough monitoring (  = 0.010). Monitoring of vancomycin with AUC was associated with a decreased risk of AKI when compared with trough monitoring in obese patients.
ISSN:0066-4804
1098-6596
DOI:10.1128/AAC.00886-21