Int J Clin Pharm. 2021 Dec;43(6):1651-1659. doi: 10.1007/s11096-021-01297-0. Epub 2021 Jun 17.

Timeliness of administration of amoxicillin-clavulanic acid and meropenem in a large tertiary care centre.

International journal of clinical pharmacy

Astrid Van Wilder, Luk Bruyneel, Charlotte Decock, Nel Ten Haaf, Willy E Peetermans, Yves Debaveye, Kris Vanhaecht, Isabel Spriet

PMID: 34138408 DOI: 10.1007/s11096-021-01297-0

Abstract

Background For amoxicillin-clavulanic acid and meropenem to be effective, concentrations must exceed the minimum inhibitory concentration of infecting pathogens. Objective To retrospectively evaluate time windows between both scheduled prescription and administration and reconstitution-preparation and end of administration of intravenous amoxicillin-clavulanic acid and meropenem prescriptions. Setting 37 hospital wards at a tertiary hospital, Belgium. Method All adult hospital stays with at least one amoxicillin-clavulanic acid or meropenem administration in 2018 were reviewed. Time windows were deemed acceptable if < 30 min between prescription and administration and < 90 or < 150 min between reconstitution-preparation and end of administration for amoxicillin-clavulanic acid and meropenem, respectively. Main outcome measure Time windows between prescription and administration and between reconstitution-preparation and administration. Results For 50 273 administered prescriptions, both time windows were acceptable in 53.7% of first dose and 56.4% of follow-up dose administrations. 43.7% of first doses did not respect the time window between reconstitution-preparation and administration (2.8%) or between prescription and administration (40.9%). These discrepancies equalled 11.1% and 26.3% for follow-up doses, respectively. Large variation across hospital wards was observed. After the first five consecutive administrations, 93.1% of patients had not received their antibiotics within the time windows allowed. The most striking predictor of timely administration with respect to both prescription and reconstitution-preparation time was prescription synchronisation with nursing administration rounds. Conclusion For amoxicillin-clavulanic acid and meropenem, timeliness of reconstitution-preparation and administration was appropriate in approximately half of administrations. Evaluating and safeguarding the timeliness of antibiotic administration should be considered an important aspect of antibiotic stewardship.

© 2021. The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Keywords: Anti-bacterial agents; Drug prescriptions; Electronic prescribing; Practice patterns; Time factors

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