Hypertension Prevalence, Awareness and Blood Pressure Control in Matao, Brazil: A Pilot Study in Partnership With the Brazilian Family Health Strategy Program

Cesar Minelli, Lucileni Aparecida Borin, Mayra de Cassia Trovo, Geraldo Cassio Dos Reis, Cesar Minelli, Lucileni Aparecida Borin, Mayra de Cassia Trovo, Geraldo Cassio Dos Reis

Abstract

Background: Around 30% of Brazilian population is hypertensive. Brazilian's Family Health Strategy (FHS) is a community-based approach to provide primary health care and control chronic disease as hypertension. The aims of this pilot study were to study hypertension prevalence and awareness and to analyze the feasibility of FHS program with community healthy agents (CHA) to collect data about hypertensive subjects in Matao, Brazil.

Methods: A cross-sectional study was conducted in subjects equal or older than 40 years old in a neighborhood belonging to FHS program. CHA were trained to collect data and to assess blood pressure (BP) with an automated device. Hypertension diagnosis was defined if systolic blood pressure ≥ 140 mm Hg or diastolic blood pressure ≥ 90 mm Hg or subject had previous use of hypertensive drug. Chi-square test and univariate logistic regression analysis were applied with significance level of 5% and a confidence interval of 95%.

Results: In 625 subjects, hypertension prevalence was 68.8% and women (71.9%) were more hypertensive than men (63.2%) (P = 0.02). Prevalence of hypertension increased with age group, from 46.3% (40 - 49 years) to 82.5% (70 - 79 years) (P < 0.001). The overall prevalence of pre-hypertension was 40.1%: stage 1, 25.7% and stage 2, 17.0%. Hypertension awareness was 81.8% and 79.8% reported use of anti-hypertensive drugs. BP was not controlled in 61.8% and 67.7% of them was using anti-hypertensive drugs. CHA reported no difficulties to collect data and BP assessment with the automated device.

Conclusion: We observed a high hypertension prevalence rate, awareness, and subjects with uncontrolled hypertension even with use of anti-hypertensive drugs. CHA from FHS program are a feasible option to BP control in future studies involving larger populations.

Keywords: Brazil; Epidemiology; Hypertension; Non-communicable diseases.

Figures

Figure 1
Figure 1
Sample selection.
Figure 2
Figure 2
Hypertension stages by age group. *There were significant differences in hypertension stages between age groups (P

Figure 3

Hypertension classification by gender. There…

Figure 3

Hypertension classification by gender. There was no difference in hypertension stages or gender…

Figure 3
Hypertension classification by gender. There was no difference in hypertension stages or gender (P = 0.17).
Figure 3
Figure 3
Hypertension classification by gender. There was no difference in hypertension stages or gender (P = 0.17).

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