• Mayra Cristina da Luz Pádua Guimarães, Juliana Chaves Coelho, da SilvaGiovanio VieiraGV0000-0003-3370-9326Hypertension Unit, Renal Division, University of São Paulo Medical School, São Paulo, SP, Brazil., Luciano Ferreira Drager, Rita de Cassia Gengo E Silva Butcher, Howard K Butcher, and Angela Maria Geraldo Pierin.
• Graduate Program in Adult Health Nursing (PROESA), University of São Paulo Nursing School, São Paulo, SP, Brazil.
• Patient Prefer Adher. 2021 Jan 1; 15: 2749-2761.

ObjectiveTo evaluate and identify variables associated with the control of hypertension and adherence to antihypertensive drug treatment in a group of patients with hypertension monitored in a specialized, highly complex outpatient service.MethodsA prospective, cross-sectional study was carried out in the hypertension unit of a tertiary teaching hospital. Patients diagnosed with hypertensive aged 18 years and over and accompanied for at least six months were included in the study. Patients with secondary hypertension and pregnant women were excluded. The sample consisted of 253 patients. Adherence/concordance to antihypertensive treatment was assessed using the Morisky Green Levine Scale. Blood pressure control was set for values less than 140/90 mmHg. Variables with p≤0.20 in univariate analysis were included in multiple logistic regression. The level of significance adopted was p ≤0.05.ResultsMost of patients were white, married and women, with a mean age of 65 (13.3) years old, low income, and education levels. Blood pressure control and adherence were observed in 69.2% and 90.1% of the patients, respectively. Variables that were independently associated with blood pressure control were (OR, odds ratio; CI, 95% confidence interval): married marital status (OR 2.3; CI 1.34-4.28), use of calcium channel blockers (OR 0.4; CI 0.19-0.92) and number of prescribed antihypertensive drugs (OR 0.78; CI 0.66-0.92). Adherence was not associated with any of the variables studied.ConclusionThere was a high frequency of patients with satisfactory adherence to antihypertensive drug treatment. Blood pressure control was less frequent and was associated with social and treatment-related factors.© 2021 Guimarães et al.

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