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Potentially inappropriate medication use in a city of Southeast Brazil
Pinto, Mauro Cunha Xavier; Ferré, Felipe; Pinheiro, Marcos Luciano Pimenta.
  • Pinto, Mauro Cunha Xavier; Federal University of Jequitinhonha and Mucuri Valleys. College of Biological Sciences and Health. College of Biological Sciences and Health.
  • Ferré, Felipe; Federal University of Minas Gerais. Biological Sciences Institute. Department of Biochemistry and Immunology.
  • Pinheiro, Marcos Luciano Pimenta; Federal University of Jequitinhonha and Mucuri Valleys. College of Biological Sciences and Health. Department of Basic Sciences.
Braz. j. pharm. sci ; 48(1): 79-86, Jan.-Mar. 2012. tab
Article in English | LILACS | ID: lil-622891
ABSTRACT
Potentially inappropriate medication use by the Diamantina (Minas Gerais State) population was investigated by analyzing medicine consumption, self-medication, polypharmacy and drug interactions of medicines prescribed among those interviewed. Level of knowledge about rational drug use and its relationship to socio-economic variables was also evaluated using a semi-structured questionnaire. This survey was based on stratified sampling of 423 individuals selected randomly. The prevalence of prescription drug consumption was 42.32% (n=179) and cardiovascular drugs were the most prescribed. Drug interactions were found in 45.81% (n=82) of prescriptions and 92.68% (n=76) of these interactions were moderate, with co-administration of cardiovascular drugs occurring in more than half of the cases. The inappropriate use of medication, according to Beers criteria, occurred in 44.73% of prescriptions to the elderly. The prevalence of self-medication was 63.34% (n=268) while 21.99% (n=91) of individuals administered medications to their children without formal prescriptions, where this practice was associated to analgesic/antipyretic consumption. The population showed a high prevalence of inappropriate use of drugs across all strata of society, representing an issue requiring effective actions to promote rational use of medicines.
RESUMO
O consumo inapropriado de medicamentos pela população de Diamantina-MG foi investigado através da análise do consumo de medicamentos, automedicação, polifarmácia e interações medicamentosas prescritas aos entrevistados. Também foi avaliado o nível de conhecimento sobre uso racional de medicamentos e sua relação com variáveis sócio-econômicas através de um questionário semi-estruturado. Este estudo transversal foi baseado em amostragem estratificada e contou com a participação de 423 indivíduos selecionados aleatoriamente. A prevalência do consumo de medicamentos prescritos foi de 42,32% (n=179), sendo os medicamentos cardiovasculares os mais prescritos. Entre as prescrições foram encontradas 45,81% (n=82) de interações medicamentosas, sendo 92,68% (n=76) destas interações moderadas e a co-administração de medicamentos cardiovasculares presente em mais da metade dos casos. O uso inadequado de medicamentos, segundo os critérios de Beers, esteve presente em 44,73% das prescrições de idosos. Com relação à automedicação, 63,34% (n=268) dos entrevistados admitem fazer uso de medicamento sem prescrição e 21,99% (n=91) administram medicamentos aos filhos sem prescrição profissional, sendo os analgésicos e antitérmicos os mais comumente administrados em ambas as situações. A população avaliada apresentou alta prevalência de uso inadequado de medicamentos observados em todas as camadas da sociedade, sendo necessário estabelecer medidas eficazes para promoção do uso racional de medicamentos.
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Full text: Available Index: LILACS (Americas) Main subject: Prescription Drug Misuse / Prescription Drug Overuse Type of study: Controlled clinical trial / Observational study / Prevalence study / Qualitative research / Risk factors Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. pharm. sci Year: 2012 Type: Article Affiliation country: Brazil

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Full text: Available Index: LILACS (Americas) Main subject: Prescription Drug Misuse / Prescription Drug Overuse Type of study: Controlled clinical trial / Observational study / Prevalence study / Qualitative research / Risk factors Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. pharm. sci Year: 2012 Type: Article Affiliation country: Brazil