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The impact of penicillin allergy labels on antibiotic and health care use in primary care: a retrospective cohort study.


ABSTRACT:

Background

Suspected penicillin allergy (Pen-A) is often not verified by diagnostic testing. In third line penicillin allergy labels were associated with prescription of broad spectrum antibiotics, hospital stay duration and readmission.

Objective

Assess the impact of Pen-A labels on antibiotic and health care use in primary care.

Methods

A retrospective cohort study was conducted in primary care in the Utrecht area, the Netherlands. All patients registered with a penicillin allergy on 31 December 2013 were selected from the General Practitioner Network database. Each patient with a Pen-A label was matched for age, gender, follow-up period with three patients without Pen-A label. Risk (OR) of receiving a reserve and second choice antibiotic, number and type of antibiotics prescribed during follow-up and number of GP contacts were compared between the two cohorts.

Results

Of 196,440 patients, 1254 patients (0.6%) with a Pen-A label were identified and matched with 3756 patients without Pen-A label. Pen-A labels resulted in higher risk of receiving ?1 antibiotic prescription per year (OR 2.56, 95% CI 2.05-3.20), ?1 s choice antibiotic prescription per year (OR 2.21 95% CI 1.11-4.40), and ?4 GP contacts per year (OR 1.71 95% CI 1.46-2.00). The chance of receiving tetracyclins (OR 2.24, 95% CI 1.29-3.89), macrolides/lincosamides/streptogamins (OR 8.69, 95% CI 4.26-17.73) and quinolones (OR 2.59, 95% CI 1.22-5.48) was higher in Pen-A patients.

Conclusions

In primary health care Pen-A labels are associated with increased antibiotic use, including second choice antibiotics, and more health care use.

SUBMITTER: Su T 

PROVIDER: S-EPMC5461748 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Publications

The impact of penicillin allergy labels on antibiotic and health care use in primary care: a retrospective cohort study.

Su Tanly T   Broekhuizen Berna D L BDL   Verheij Theo J M TJM   Rockmann Heike H  

Clinical and translational allergy 20170607


<h4>Background</h4>Suspected penicillin allergy (Pen-A) is often not verified by diagnostic testing. In third line penicillin allergy labels were associated with prescription of broad spectrum antibiotics, hospital stay duration and readmission.<h4>Objective</h4>Assess the impact of Pen-A labels on antibiotic and health care use in primary care.<h4>Methods</h4>A retrospective cohort study was conducted in primary care in the Utrecht area, the Netherlands. All patients registered with a penicilli  ...[more]

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