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Farmacia Hospitalaria

On-line version ISSN 2171-8695Print version ISSN 1130-6343


SANCHEZ-QUILES, I. et al. Improvement of the knowledge on allergic cross-reactions between two drug groups: beta-lactams and NSAIDS. Farm Hosp. [online]. 2013, vol.37, n.6, pp.499-509. ISSN 2171-8695.

Objectives: To identify opportunities for improving the available knowledge of health care professionals (particularly, physicians, pharmacists, and nurses) on crossed allergic reactions (CAR) to penicillins and NSAIDs. Method: Quasi-experimental prospective pre-exposure study at a 412-beds hospital. An assessment of the knowledge on CAR to penicillins and NSAIDs was performed by means of anonymous questionnaires before (1st questionnaire) and after (2d questionnaire) the implementation of a series of improvement measures: protocol of "patient allergic to drugs", pocket card, poster with summarized information, and informative talks. The questionnaires served as the CRF and the statistical analysis was done with the SPSS v18.0 software. Results: The mean number of errors in the first questionnaire on CARs of penicillin allergic patient and on CARs of NSAIDs allergic patients was 20.53 and 27.62, respectively. The mean number of errors in the second questionnaire on CARs of penicillin allergic patient and on CARs of NSAIDs allergic patients was 2.27 and 7.26, respectively. All the results were significant for a p level < 0.005. Conclusions: -There is insufficient knowledge on CARs to penicillins and NSAIDS, which justifies improvement measures. -After the implementation of improvement measures, there is an increased knowledge on CARs to penicillins and NSAIDs in the study groups.

Keywords : NSAIDs; β-lactams; Knowledge; Questionnaire; Penicillin; Crossed allergic reaction; Patient's safety.

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