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Evaluating factors associated with uncontrolled hypertension: Isfahan cohort study, Iran
Alireza Khosravi1, Behrouz Pourheidar2, Hamidreza Roohafza3
1Associate Professor, Interventional Cardiology Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
Insights
Men, salty food consumption, and medication non-adherence are linked to uncontrolled hypertension (HTN). Addressing these factors is crucial for managing blood pressure and reducing cardiovascular risks.
Area of Science:
- Cardiology
- Public Health
- Epidemiology
Background:
- Hypertension (HTN) is a major risk factor for cardiovascular disease.
- High prevalence of HTN in Iran necessitates understanding factors affecting blood pressure control.
- This study investigates socio-demographic and clinical variables associated with uncontrolled HTN in an Iranian cohort.
Purpose of the Study:
- To identify key factors contributing to the failure of achieving blood pressure control in hypertensive individuals.
- To examine the association between socio-demographic characteristics, clinical data, and lifestyle behaviors with uncontrolled HTN.
- To inform targeted interventions for improved hypertension management in the Iranian population.
Main Methods:
- Retrospective cohort study within the Isfahan cohort study, including adults aged 35+ with confirmed HTN.
- Data collected via questionnaires on socio-demographic, clinical, and lifestyle factors by trained nurses.
- Uncontrolled HTN defined as systolic/diastolic blood pressure > 140/90 mmHg, with or without medication.
Main Results:
- Men exhibited a significantly higher prevalence of uncontrolled HTN compared to women in both 2001 and 2007 (P < 0.001).
- Being male was strongly associated with uncontrolled HTN (OR = 2.31 in 2001, OR = 2.38 in 2007).
- Increased consumption of salty foods (OR = 1.73) and being naive to monotherapy (OR = 0.14) were associated with uncontrolled blood pressure.
Conclusions:
- Uncontrolled HTN is associated with male sex, marital status, diabetes, high salt intake, and medication adherence.
- Identifying and assessing these risk factors is essential for aggressive HTN management.
- Effective management aims to reduce the excessive risk of cardiovascular events stemming from uncontrolled HTN.
Background:
Hypertension (HTN) considers as one of the most common risk factors, which potentially raises the risk of cardiovascular disease. Regarding high prevalence of HTN among Iranian population this study designed to examine a range of socio-demographic and clinical variables to determine the association with failure to achieve blood pressure control in a cohort of hypertensive subjects.
Methods:
This retrospective cohort study is a part of Isfahan cohort study which carried out on adults aged 35 years old or more. Subjects with confirmed HTN entered in this sub-study. For all subjects questionnaire included socio-demographic characteristics, clinical data and lifestyle behavior completed by trained nurses. Uncontrolled HTN was defined as systolic and diastolic blood pressure more than 140/90 in the presence or absent of pharmacological treatment.
Results:
The prevalence of uncontrolled men was significantly higher than controlled in both 2001 and 2007 (P < 0.001). A significant association was found between sex and control of blood pressure: compared with women, being men [odds ratio (OR) = 2.31; 95 % confidence interval (CI) = 1.64-3.24] was significantly associated with uncontrolled HTN in 2001 and (OR = 2.38; 95% CI = 1.78-3.18). Among lifestyle behaviors, tendency for more consumption of salty foods increased the risk of uncontrolled HTN in 2001 by 1.73 times [OR = 1.73, 95% CI = 1.20-2.50, (P = 0.003)]. Patients who were naive to mono-therapy without considering the type of antihypertensive drug were found to be associated with uncontrolled blood pressure (OR = 0.14; 95 % CI =0.1-0.2).
Conclusion:
Uncontrolled HTN was sex, marital status, diabetes, tendency to salty foods and medication adherence. Assessment of them presence of these risk factors is warranted to recommend an aggressive HTN management with the goal of reducing excessive risk of cardiovascular events caused by uncontrolled HTN.
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