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Acta Clin Belg. 2013 Mar-Apr;68(2):81-6.

Evaluation of the appropriateness of intravenous amoxicillin/clavulanate prescription in a teaching hospital.

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  • 1Universit√© Catholique de Louvain, CHU Mont-Godinne, pharmacy, Yvoir, Belgium. charline.artoisenet@uclouvain.be

Abstract

BACKGROUND:

Despite the implementation of strategies aiming at improving antimicrobial utilisation, inappropriate use remains an increasing problem with important consequences on both antibiotic resistance and hospital costs.

OBJECTIVE:

To evaluate the appropriateness of prescribing the intravenous amoxicillin/clavulanate combination (Augmentin).

METHODS:

Prospective observational five-week study in a Belgian teaching hospital. Patients receiving prophylactic or therapeutic intravenous amoxicillin/clavulanate were enrolled. Data were collected by a pharmacist and the appropriateness of antibiotic treatment was analysed in collaboration with an infectious disease specialist according to local recommendations. The primary outcome measure was the appropriateness of indication, dosage, intravenous to oral switch and duration of therapy.

RESULTS:

One hundred and six patients were evaluated. The most common indications for amoxicillin/clavulanate prescriptions were: respiratory tract infections (38%), surgical/interventional prophylaxis (28%) and intra-abdominal infections (11%). Overall, 43% of intravenous amoxicillin/clavulanate prescriptions were fully appropriate. Indication for use was appropriate in 87% and dosage in 74% of cases. In contrast, the timing of intravenous to oral switch and duration of therapy were inappropriate in 64% and 53% of cases, respectively.

CONCLUSIONS:

This study identified two main areas for improving amoxicillin/clavulanate prescribing: (1) the intravenous to oral switch, which is often too late or nonexistent and (2) the duration of therapy, which is too long particularly in respiratory tract infections. The results have been presented to clinicians and specific interventions for optimisation are being discussed and implemented.

PMID:
23967713
[PubMed - indexed for MEDLINE]
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