Risk factors for nephrotoxicity caused by vancomycin continuous infusion

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“Vancomycin-associated nephrotoxicity (VN) occurred in 26 of 155 (17%) patient episodes.” Norton et al (2014).

Reference:

Norton, K., Ingram, P.R., Heath, C.H. and Manning, L. (2014) Risk factors for nephrotoxicity in patients receiving outpatient continuous infusions of vancomycin in an Australian tertiary hospital. The Journal of Antimicrobial Chemotherapy. 69(3), p.805-8.

Abstract:

OBJECTIVES: To assess the risk factors for nephrotoxicity caused by vancomycin continuous infusion in a predominantly Caucasian outpatient population.

METHODS: This was a retrospective cohort study of 155 patient episodes from December 2006 to December 2011.

RESULTS: Vancomycin-associated nephrotoxicity (VN) occurred in 26 of 155 (17%) patient episodes. After adjustment for baseline renal function, maximum steady-state vancomycin concentrations ≥32 mg/L [OR 8.7 (95% CI 3.1-29.6), P < 0.001] and angiotensin receptor blockade [OR 9.78 (95% CI 3.1-39.4), P < 0.001] were independently associated with VN. The cumulative dose and duration of vancomycin therapy were not independent predictors of VN.

CONCLUSIONS: Cessation of angiotensin receptor-blocking medications in selected patient groups, enhanced monitoring and establishing target steady-state concentrations

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