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Published on: September 26, 2018
Hypertension and cardiovascular risk: General aspects
1Department of Cardiology, University of Oslo Hospital, Ullevaal, N-0407 Oslo, Norway.
Insights
Hypertension significantly increases cardiovascular and renal disease risks. Age-adjusted risk models are crucial for accurate cardiovascular risk assessment, especially in younger adults.
Area of Science:
- Cardiology
- Public Health
- Epidemiology
Background:
- Hypertension is a primary risk factor for diverse cardiovascular diseases, including coronary heart disease, left ventricular hypertrophy, valvular heart disease, arrhythmias (e.g., atrial fibrillation), stroke, and renal failure.
- The continuous relationship between blood pressure and adverse cardiovascular and renal outcomes necessitates a nuanced approach beyond arbitrary cut-off values for defining hypertension.
- Hypertension prevalence in Europe ranges from 30-45%, escalating significantly with age.
Purpose of the Study:
- To highlight the critical role of hypertension in cardiovascular and renal diseases.
- To emphasize the limitations of current risk assessment models, particularly concerning age.
- To advocate for improved cardiovascular risk stratification methodologies.
Main Methods:
- Review of existing literature on hypertension, cardiovascular disease, and risk assessment models.
- Analysis of the impact of age on cardiovascular risk stratification.
- Discussion of the need for advanced risk assessment tools.
Main Results:
- Hypertension is a leading modifiable risk factor for a wide spectrum of cardiovascular and renal morbidities.
- Age exerts a profound influence on cardiovascular risk, potentially masking high-risk status in younger individuals, particularly women.
- Current risk prediction models may not adequately capture the total cardiovascular risk in all age groups.
Conclusions:
- Accurate cardiovascular risk assessment requires models that account for age-specific risks and target organ damage.
- Ambulatory 24-hour blood pressure monitoring and age-adjusted risk stratification are essential for effective hypertension management.
- Development of national risk models is necessary due to inter-country variations in hypertension prevalence and impact.
Abstract:
Hypertension is the strongest or one of the strongest risk factors for almost all different cardiovascular diseases acquired during life, including coronary disease, left ventricular hypertrophy and valvular heart diseases, cardiac arrhythmias including atrial fibrillation, cerebral stroke and renal failure. The continuous relationship between blood pressure and cardiovascular and renal events makes the distinction between high normal blood pressure and hypertension based on arbitrary cut-off values for blood pressures. Overall the prevalence of hypertension in different European countries appears to be around 30-45% of the general population, with a steep increase with ageing. The prevention of cardiovascular disease and treatment recommendations should be related to quantification of total cardiovascular risk which could be estimated from several different models. However the impact of age on risk is so strong that young adults (particularly women) are unlikely to reach high-risk levels even when they have more than one major risk factor and a clear increase in relative risk. Therefore age-adjusted models, models assessing relative risks compared to others of same age and models including thorough assessments of target organ damage and ambulatory 24h blood pressure are needed together with national models because of the large variations between countries.
Related Concept Videos
Hypertension and Regulation of Blood Pressure
Hypertension I: Introduction
Hypertension II: Pathophysiology
Hypertension III: Clinical Manifestations and Diagnostic Studies
Factors affecting Blood pressure
Physiological Factors:
Hypertension IV: Drug Therapy and Lifestyle Modifications

