Variability in vancomycin use in newborn intensive care units determined from data in an electronic medical record

Cody Arnold1, Reese Clark, Jaclyn Bosco

  • 1Department of Neonatology, Baylor University Medical Center, 3500 Gaston Ave., 3 Hoblitzelle, Dallas, TX 75246, USA. CodyA@BaylorHealth.edu

Insights

Antibiotic prescribing for newborns varied widely across intensive care units. While vancomycin use was common, some units shifted to oxacillin or nafcillin over time.

Area of Science:

  • Neonatal Medicine
  • Infectious Diseases
  • Health Services Research

Background:

  • Antibiotic stewardship is crucial in neonatal intensive care units (NICUs).
  • Variations in antibiotic prescribing practices can impact patient outcomes and resistance.
  • Electronic medical records (EMRs) offer valuable data for studying antibiotic use.

Purpose of the Study:

  • To analyze the variation in vancomycin use among NICUs.
  • To investigate trends in the use of alternative antibiotics like oxacillin or nafcillin.
  • To highlight the utility of EMR data for antibiotic surveillance.

Main Methods:

  • Retrospective analysis of electronic medical record data.
  • Inclusion of data from 56 newborn intensive care units.
  • Examination of antibiotic prescribing patterns over a defined study period.

Main Results:

  • Significant variation in vancomycin treatment proportions (18%–70%) across 56 NICUs.
  • Initial infrequent use of oxacillin/nafcillin, becoming routine in 13% of NICUs by the study's end.
  • Demonstration of substantial heterogeneity in antibiotic selection for neonatal care.

Conclusions:

  • Wide variations in vancomycin use exist in NICUs, suggesting a need for standardized guidelines.
  • A shift towards oxacillin/nafcillin occurred in some NICUs, warranting further investigation.
  • EMR data are effective for monitoring and analyzing antibiotic utilization in neonatal populations.

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