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Epidemiology of hypertension
1Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Hospital, Baltimore, Maryland 21287-6231.
Insights
Cardiovascular disease is a leading cause of death globally. Addressing underlying risk factors like high blood pressure is crucial for effective prevention and management.
Area of Science:
- Public Health
- Epidemiology
- Cardiology
Background:
- Cardiovascular disease (CVD) is the primary cause of mortality in industrialized nations.
- A similar CVD epidemic is projected for developing countries if current trends persist.
- Treating clinical manifestations alone is insufficient for comprehensive CVD management.
Purpose of the Study:
- To emphasize the importance of addressing underlying risk factors for cardiovascular disease.
- To highlight the role of epidemiological studies in informing prevention strategies.
- To underscore the necessity of managing high blood pressure for reducing CVD burden.
Main Methods:
- Epidemiological studies were reviewed to identify determinants of high blood pressure.
- The association between high blood pressure and cardiorenal complications was established.
- The potential benefits of treating and preventing high blood pressure were quantified.
Main Results:
- High blood pressure is a significant risk factor for cardiorenal complications.
- Epidemiological data identifies high blood pressure distribution and determinants.
- Preventive strategies targeting high blood pressure offer substantial public health benefits.
Conclusions:
- Prevention and treatment of high blood pressure are fundamental to reducing cardiovascular disease burden.
- Epidemiological research provides the scientific basis for public health interventions.
- A comprehensive approach integrating risk factor management is essential for combating the CVD epidemic.
Abstract:
Cardiovascular disease is the main cause of death in virtually all industrialised countries. The limited information available from developing countries suggests that a similar epidemic is inevitable if current trends go unchecked. Treatment of patients with clinical manifestations is an important element in overall management but on its own is an insufficient and incomplete response. Sudden death is often the first manifestation of cardiovascular disease and, even when treatment of disease is applicable and effective, it is usually palliative rather than curative. Thus treatment and prevention directed at the underlying risk factors, including high blood pressure, constitute a complementary and more fundamental approach to reducing the burden of illness. Epidemiological studies provide the scientific foundation for such an approach by identifying the distribution and determinants of high blood pressure in the general population, by establishing the role of high blood pressure as a risk factor for cardiorenal complications, and by quantifying the potential value of treating and preventing high blood pressure in the general population.