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A one year, retrospective audit of intermittent vancomycin therapy within the Neonatal Unit at the Royal Hospital for Sick Children, Glasgow, found that only 33% of 984 vancomycin trough levels were within the British National Formulary for children (BNFc) target range of 10–15 mg/l and 25% were <10 mg/l. A detailed, prospective review of 20 courses (15 patients) over one month, while using the same dosing guidelines, highlighted that only 23 of 50 concentration measurements (46%) were within the target range and 20% were <10 mg/l, even though the initial doses used (table 1) were higher than those recommended by the BNFc. Dose adjustments were common and up to 80 mg/kg/day was often required for older infants. Appropriate interpretation of concentration results was compromised …
Contributors All authors contributed to the concept and design of the study. ADP ran the study and collated the data, which were analysed by ADP and AHT. ADP and AHT drafted the manuscript, which was revised and edited by all authors.
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.
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