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An integrated view of hypertension
1Section of Preventive Medicine and Epidemiology, Boston University School of Medicine, MA.
Insights
Hypertension significantly raises cardiovascular disease risks, especially atherosclerosis and coronary issues. Managing associated factors alongside blood pressure is crucial for effective treatment and preventing serious outcomes.
Area of Science:
- Cardiology
- Public Health
- Internal Medicine
Background:
- Hypertension is a major contributor to cardiovascular morbidity and mortality.
- Associated risk factors significantly amplify cardiovascular hazards.
- Elevated blood pressure, particularly systolic, increases risk across all demographics.
Purpose of the Study:
- To highlight the multifactorial nature of cardiovascular risk in hypertensive patients.
- To emphasize the importance of considering all risk factors for optimal treatment.
- To underscore the dangers of delaying treatment until organ damage occurs.
Main Methods:
- Review of existing literature on hypertension and cardiovascular risk factors.
- Analysis of the impact of associated conditions on cardiovascular outcomes.
- Evaluation of treatment strategies focusing on composite risk profiles.
Main Results:
- Coronary heart disease risk is elevated in hypertensives with high cholesterol ratios, impaired glucose tolerance, high fibrinogen, ECG abnormalities, and smoking.
- Organ involvement (e.g., left ventricular hypertrophy, proteinuria) indicates impending cardiovascular events.
- ECG-Left Ventricular Hypertrophy (LVH) predicts adverse outcomes comparably to myocardial infarction.
Conclusions:
- Comprehensive assessment of all cardiovascular risk factors is essential for effective hypertension management.
- Optimal treatment involves lowering blood pressure and improving the overall risk profile through lifestyle changes or medication.
- Intervention before organ involvement is critical to prevent life-threatening events like stroke or myocardial infarction.
Abstract:
Hypertension increases cardiovascular morbidity and mortality two to four-fold. The chief hazards are now atherosclerosis and coronary disease. The risk is proportional to the degree of systolic or diastolic blood pressure elevation at any age, in either sex. More than the character of the blood pressure elevation, commonly associated risk factors markedly influence the hazard. The risk of coronary heart disease is concentrated in hypertensives with a high total/high density lipoprotein (HDL) cholesterol ratio, impaired glucose tolerance, high fibrinogen, those with ECG abnormalities and cigarette smokers. Evidence of organ involvement such as left ventricular hypertrophy, proteinuria or impaired left ventricular function are hallmarks of impending cardiovascular sequelae. The presence of ECG-LVH behaves like myocardial infarction in its clinical course, predisposing at the same rate to sudden death, myocardial infarction, cardiac failure and stroke. Consideration of all cardiovascular risk factors is required to evaluate properly the need for treatment, select the best treatment, and set goals and determine the efficacy of treatment. Waiting until there is evidence of organ involvement is dangerous since the first such evidence is often sudden death, a stroke or a myocardial infarction. Optimal treatment must improve the composite risk profile as well as lower the blood pressure. This can be achieved by hygienic (dietary) measures or pharmacological therapy in those who do not respond to diet alteration, weight control and exercise.