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The Dose-response of Blood Pressure Variability in Stroke and Coronary Heart Disease
Woro Riyadina1, Sulistyowati Tuminah1, Lely Indrawati1
1Research Center for Public Health and Nutrition, Organization Research for Health, National Research and Innovation Agency, Center Jakarta, Indonesia.
Insights
Blood pressure variability (BPV) predicts vascular events like stroke and coronary heart disease (CHD). Controlling BPV is crucial for preventing these serious vascular conditions.
Area of Science:
- Cardiovascular Science
- Epidemiology
- Public Health
Background:
- Blood pressure variability (BPV) is recognized as a potential predictor of vascular events.
- Elevated BPV can trigger target organ damage.
Purpose of the Study:
- To determine the association between blood pressure variability (BPV) and the incidence of stroke and coronary heart disease (CHD).
- Investigate BPV as a risk factor within the Bogor Cohort Study in Indonesia.
Main Methods:
- A prospective cohort study involving 1649 Indonesian adults (aged ≥31 years) over six years.
- Vascular events (stroke or CHD incidents) were monitored from 2011-2017 and 2012-2018.
- Statistical analysis controlled for age, hypertension status, and lipid profile.
Main Results:
- The incidence of vascular events was 12.4% over the six-year monitoring period.
- Increased risk of vascular events, stroke, and CHD was observed with higher quintiles of systolic and diastolic BPV.
- Specific thresholds for systolic BPV (≥12.10 mmHg) and diastolic BPV (≥7.31 mmHg) indicated significantly elevated risks (OR 2.3 and 1.7, respectively).
Conclusions:
- Blood pressure variability (BPV) is an independent predictor of vascular events, including stroke and coronary heart disease (CHD).
- Clinicians and the public should prioritize the control of BPV as a modifiable risk factor for cardiovascular diseases.
Abstract:
Introduction/ Objective: Blood pressure variability (BPV) is a potential predictor of vascular events and triggers target organ damage. This study aimed to determine the BPV in stroke and coronary heart disease (CHD) in the Bogor Cohort Study in Indonesia.
Methods:
Over six years of monitoring, a prospective cohort study was conducted on 1649 respondents aged ≥ 31 years from the Bogor Non-communicable Diseases Risk Factors Cohort Study. The dependent variable was vascular events (stroke or CHD), which were new cases (incidents) that appeared during the 6-year monitoring period (2011 - 2017 and 2012-2018).
Result:
During the six years of monitoring, the incidence of vascular events was 12.4 percent. The dose-response of systolic and diastolic BPV in vascular events, stroke, and coronary heart disease showed an increased risk (quintiles Q2, Q3, and Q4) compared to quintile 1 (Q1). Systolic BPV of ≥12,10 mmHg and diastolic BPV of ≥ 7,31 mmHg had a risk of 2.3 and 1.7 (95% Confidence Intervals (CI)), respectively, for vascular events during the period of 6-year observation, after controlling for age, hypertension status, and lipid profile.
Conclusion:
BPV is an independent predictor of vascular events, stroke, and coronary heart disease. The public and clinicians must pay attention to controlling BPV as a risk factor for vascular events, stroke, and CHD.
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