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Large vancomycin overdose in two premature infants with minimal toxicity
1Division of Neonatology, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, Utah 84132, USA.
American Journal of Perinatology
|December 8, 2004
Summary
Two premature infants survived vancomycin overdose with no significant toxicity. Careful monitoring is key, as aggressive interventions may not be needed for infants with normal renal function.
Area of Science:
- Neonatal Medicine
- Pharmacology
- Toxicology
Background:
- Vancomycin is a critical antibiotic for treating serious Gram-positive infections in neonates.
- Overdosing in premature infants can lead to potentially toxic plasma concentrations.
- Assessing the safety and management of vancomycin overdose in this vulnerable population is crucial.
Observation:
- Two premature infants inadvertently received 10-fold overdoses of vancomycin.
- Peak plasma vancomycin concentrations exceeded 300 microg/mL.
- No interventions were used to accelerate drug clearance; only discontinuation and observation.
Findings:
- Vancomycin levels decreased below 40 microg/mL within 48-72 hours in both infants.
- One infant experienced a transient serum creatinine increase to 1.4 mg/dL.
- No acute or long-term renal, auditory, or other toxicities were observed in either infant.
Implications:
- Current vancomycin preparations may have a better safety profile than older formulations.
- In infants with normal renal function, expectant management following vancomycin overdose may be sufficient.
- Close surveillance for drug clearance and toxicity remains essential after vancomycin overdose in neonates.