RESEARCH ARTICLE
Year : 2013  |  Volume : 4  |  Issue : 5  |  Page : 47-50

Retrospective evaluation of adverse drug reactions induced by antihypertensive treatment


1 Centro Regionale di Informazione sul farmaco, AO Mater Domini, Catanzaro, and Department of Health Science, School of Medicine, University of Catanzaro, Italy
2 Pugliese Ciaccio Hospital, Catanzaro, Italy
3 Azienda Sanitaria Vibo Valentia, Italy

Correspondence Address:
Luca Gallelli
Chair of Pharmacology, Department of Health Science, School of Medicine University of Catanzaro, Viale Europa, 88100 Catanzaro
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-500X.120954

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The use of cardiovascular drugs is related to the development of adverse drug reactions (ADRs) in about 24% of the patients in the Cardiovascular Care Unit. Here, we evaluated the ADRs in patients treated with antihypertensive drugs. The study was conducted in two phases: In the first phase, we performed a retrospective study on clinical records of Clinical Divisions (i.e., Internal Medicine Operative Unit and Geriatric Operative Unit) from January 1, 2012 to December 31, 2012. Moreover from January 1, 2013 to March 30, 2013 we performed a prospective study on the outpatients attending the Emergency Department (ED) of the Pugliese-Ciaccio Hospital of Catanzaro, by conducting patient interviews after their informed consent was obtained. The association between a drug and ADR was evaluated using the Naranjo scale. We recorded 72 ADRs in the Clinical Divisions and six in the ED, and these were more frequent in women. Using the Naranjo score, we showed a probable association in 92% of these reactions and a possible association in 8%. The most vulnerable age group involved in ADRs was that of the elderly patients. In conclusion, our results indicate that antihypertensive drugs may be able to induce the development of ADRs, particularly in elderly women receiving multiple drug treatment. Therefore, it is important to motivate the healthcare providers to understand their role and responsibility in the detection, management, documentation, and reporting of ADRs, as also all the essential activities for optimizing patient safety.


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