RESUMO: O objetivo deste estudo foi analisar a prevalência e significância clínica de interações medicamentosas identificadas nas prescrições de pacientes idosos hipertensos. Trata-se de um estudo descritivo,

Aim To systematically review the literature on definitions, tools and factors associated with medication literacy. Methods We searched on Medline, Lilacs, Cochrane, CINAHL, PsycINFO, Embase, Scopus, Web of Science, databases of theses/dissertations and the references of the selected studies. The screening was carried out by two independent researchers. Observational, experimental or methodological studies were eligible for inclusion. The tools were critically analysed and evaluated regarding the dimensions and statements on medication literacy. Results Thirty‐five studies were included. Most were conducted in China and the United States, included adults and were published after 2010. Different terms were identified for literacy in the context of medication use and the most frequently used was “medication literacy”. Its definition varied, but “medication literacy” was generally defined as the individual ability to understand and act on medication‐related information. Twelve tools were identified. Most included only functional and numerical dimensions of literacy. No instrument covered all the essential statements on medication literacy. The tools had essential limitations in their development and measurement characteristics. Factors associated with medication literacy varied among studies, but the most frequent were age, education and inappropriate self‐medication. Conclusion “Medication literacy” is the recommended term for literacy in the context of medication use. Different definitions were identified, and the most comprehensive was the one proposed by Pouliot in 2018. The tools did not cover all the essential literacy skills for medication use and focused only on functional e numeracy domains. Sociodemographic characteristics and inappropriate self‐medication were the most common factors associated with medication literacy.

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The aim of the present work was to assess the adherence to medication from polymedicated patients before and after the use of a Drug-dispensing System with Usage Control (DDSUC) and compare the levels of the clinical parameters -blood pressure, postprandial glycemia, glycated hemoglobin, triglycerides and cholesterol. DDSUC consisted of a monthly drug-dispensing package, in the shape of a blister with a calendar. This quasi-experimental study was performed in a Basic Health Unit. Twenty four patients were selected to use DDSUC for 4 months. Medication adherence was assessed through Morisky-Green test. Among the participants of the study, 62.5% were women and the average age was 67 years old. Before the use of DDSUC, 83.3% of the patients were considered as "less adherent". After the use of the system, 100% were considered as "more adherent" (p < 0.01), the means of the systolic blood pressure decreased 23.7 mmHg (p=0.000), the diastolic blood pressure decreased 12.1 mmHg (p=0.004) and glycemia diminished 79.3 mg/dl (p=0.000). The use of DDSUC improved the adherence to medication and decreased the values of the clinical parameters, making patients safer when it comes to respecting the correct use of their medication.Uniterms: Medication/treatment adherence. Medicines/safety use. Medicines/dispensing. DrugDispensing System and Use Control. Polymedication.O objetivo deste estudo foi avaliar a adesão ao tratamento medicamentoso de pacientes polimedicados antes e após o uso de um Sistema de Dispensação de Medicamentos e Controle de Uso (SDMCU) e comparar os níveis dos parâmetros clínicos -pressão arterial, glicemia pós-prandial, hemoglobina glicada, triglicérides e colesterol. O SDMCU foi constituído por uma embalagem mensal de dispensação de medicamentos, em forma de blister com calendário. Este estudo, do tipo quase-experimental, foi realizado em uma Unidade Básica de Saúde. Selecionaram-se 24 pacientes para utilizar o SDMCU por 4 meses. A adesão medicamentosa foi avaliada através do Teste de Morisky e Green. Entre os participantes do estudo, 62,5% eram mulheres e a idade média foi de 67 anos. Antes do uso do SDMCU, 83,3% dos pacientes foram considerados "menos aderentes". Após o uso do sistema, 100% foram considerados "mais aderentes" (p<0,01), a média da pressão arterial sistólica diminuiu 23,7 mmHg (p=0,000), a diastólica diminuiu 12,1 mmHg (p=0,004) e a glicemia diminuiu 79,3 mg/dL (p=0,000). O uso do SDMCU melhorou a adesão medicamentosa e diminuiu os valores dos parâmetros clínicos, proporcionando aos pacientes uma segurança no que diz respeito à utilização correta de seus medicamentos.Unitermos: Medicação/adesão ao tratamento. Medicamentos/uso seguro. Medicamentos/dispensação.