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Glob Heart. 2016 Mar;11(1):109-19. doi: 10.1016/j.gheart.2015.12.002.

Characteristics Associated With Antihypertensive Treatment and Blood Pressure Control: A Population-Based Follow-Up Study in Peru.

Author information

1
CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru.
2
University of Washington, Seattle, WA, USA.
3
CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru; Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Área de Investigación y Desarrollo, Asociación Benéfica PRISMA, Lima, Peru.
4
CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru; Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Division of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, MD, USA.
5
CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru; Facultad de Medicina "Alberto Hurtado", Universidad Peruana Cayetano Heredia, Lima, Peru. Electronic address: jaime.miranda@upch.pe.

Abstract

BACKGROUND:

Over one-quarter of the world's adult population has hypertension, yet achieving adequate treatment or control targets remains a challenge.

OBJECTIVE:

This study sought to identify, longitudinally, characteristics associated with antihypertensive treatment and blood pressure (BP) control among individuals with hypertension.

METHODS:

Data from individuals enrolled in the population-based CRONICAS Cohort Study (adults ≥35 years, living in 4 different rural/urban and coastal/high-altitude Peruvian settings) with hypertension at baseline were used. Antihypertensive treatment and BP control were assessed at baseline and at 15 months. Multinomial logistic regressions were used to estimate relative risk ratios (RRR) and 95% confidence intervals (95% CI) of factors associated with antihypertensive treatment and BP control at follow-up.

RESULTS:

At baseline, among 717 individuals with hypertension (53% women, mean age 61.5 ± 12.4 years), 28% were unaware of their hypertension status, 30% were aware but untreated, 16% were treated but uncontrolled, and 26% were treated and controlled. At follow-up, 89% of unaware and 82% of untreated individuals persisted untreated, and only 58% of controlled individuals remained controlled. Positive predictors of receiving treatment and being controlled at follow-up included age (RRR: 0.81; 95% CI: 0.73 to 0.91 for every 5 years) and family history of a chronic disease (RRR: 0.53; 95% CI: 0.31 to 0.92 vs. no history); whereas Puno rural site (RRR: 16.51; 95% CI: 1.90 to 143.56 vs. Lima) and male sex (RRR: 2.59; 95% CI: 1.54 to 4.36) were risk factors. Systolic BP at baseline (RRR: 1.27; 95% CI: 1.16 to 1.39 for every 5 mm Hg) and male sex (RRR: 1.75, 95% CI: 1.02 to 2.98) were risk factors for being treated but uncontrolled at follow-up.

CONCLUSIONS:

Large gaps in treatment of hypertension were observed. Targeting specific populations such as men, younger individuals, or those without family history of disease may increase coverage of antihypertensive treatment. Also, targeting male individuals or those with higher systolic BP could yield better rates of BP control in the short term.

PMID:
27102028
PMCID:
PMC4843839
[Available on 2017-03-01]
DOI:
10.1016/j.gheart.2015.12.002
[Indexed for MEDLINE]
Free PMC Article

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