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Potential interactions of central nervous system drugs used in the elderly population / Potenciais interacções do sistema nervoso central medicamentos utilizados na população idosa
Morrone, Fernanda Bueno; Schroeter, Guilherme; Petitembert, Alessandra P; Faggiani, Fabiana T; De Carli, Geraldo Atillio.
  • Morrone, Fernanda Bueno; Pontifical Catholic University of Rio Grande do Sul. Faculty of Pharmacy. BR
  • Schroeter, Guilherme; Pontifical Catholic University of Rio Grande do Sul. Faculty of Pharmacy. BR
  • Petitembert, Alessandra P; Pontifical Catholic University of Rio Grande do Sul. Faculty of Pharmacy. BR
  • Faggiani, Fabiana T; Pontifical Catholic University of Rio Grande do Sul. Faculty of Pharmacy. BR
  • De Carli, Geraldo Atillio; Pontifical Catholic University of Rio Grande do Sul. Institute of Geriatrics and Gerontology. BR
Braz. j. pharm. sci ; 45(2): 227-234, Apr.-June 2009. graf, tab
Article in English | LILACS | ID: lil-525899
ABSTRACT
OBJECTIVE: To describe the use of CNS drugs and to identify the most frequently observed potential drug interactions in the elderly living in Southern Brazil. METHODS: A population-based, transversal and observational study was carried out during 2006-2007. Four hundred and eighty elderly individuals of both genders were randomly recruited and interviewed. A validated pharmacotherapeutic questionnaire and the Micromedex® Healthcare Series were utilized to analyze potential drug interactions. A severity rating scale employing the categories of "mild", "moderate" and "severe" was used to describe the interactions. RESULTS: A population of elderly living in Southern Brazil was interviewed and 98 reported using CNS drugs, 74.5 percent female and 25.5 percent male. Out of these patients, 32.0 percent reported severe or moderate pharmacological interactions related to the use of other drugs. Alprazolam and imipramine were reported to potentially interact with tobacco. Twenty potential moderate drug/ethanol interactions were found. The potential drug/caffeine interactions were classified as mild on the severity scale. CONCLUSION: Elderly being prescribed drugs that act on the CNS should be closely monitored, and furthermore, should be warned against potential drug-drug, drug-ethanol, and drug-tobacco interactions.
RESUMO
OBJETIVO: Descrever o uso de medicamentos que atuam no sistema nervoso central (SNC) e identificar as possíveis interações mais frequentes com esses medicamentos em idosos do sul do Brasil. MÉTODOS: Estudo de base populacional, transversal e observacional, realizado durante 2006-2007. Quatrocentos e oitenta idosos de ambos os sexos foram randomizados e entrevistados. Foram utilizados um questionário farmacoterapêutico validado e o programa Micromedex® Healthcare Series para analisar as potenciais interações com os medicamentos. Foi utilizada uma escala para descrever a gravidade das interações nas categorias de "leve", "moderada" e "grave". RESULTADOS: A população idosa, moradora do sul do Brasil, que utilizava medicamentos para o SNC, era formada por 98 pacientes, 75,5 por cento mulheres e 25,5 por cento homens. Destes pacientes, 32,0 por cento apresentaram interações farmacológicas graves ou moderadas relacionadas com a utilização de outros medicamentos. Alprazolam e Imipramina, usados pela população, apresentaram riscos de potenciais interações com tabaco. Foram encontradas vinte potenciais interações moderadas medicamento/etanol. As potenciais interações medicamento/cafeína foram classificadas como leves. CONCLUSÃO: Os pacientes idosos deveriam ser rigorosamente monitorizados, e ainda, é necessário advertir quanto às potenciais interações de medicamentos que atuam no SNC com outros medicamentos, etanol e tabaco.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Central Nervous System / Health of the Elderly / Chronic Disease / Drug Interactions / Drug Synergism Type of study: Controlled clinical trial / Evaluation studies / Observational study / Prognostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Pontifical Catholic University of Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Central Nervous System / Health of the Elderly / Chronic Disease / Drug Interactions / Drug Synergism Type of study: Controlled clinical trial / Evaluation studies / Observational study / Prognostic study Limits: Aged / Aged80 / Female / Humans / Male Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Pontifical Catholic University of Rio Grande do Sul/BR