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Profile of systemic hypertension in black patients
1Department of Medicine, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298-0524.
Insights
Hypertension disproportionately affects Black individuals, increasing risks for stroke, kidney failure, and heart failure. Understanding these disparities is crucial for targeted prevention and treatment strategies.
Area of Science:
- Cardiology
- Public Health
- Nephrology
Background:
- Hypertension poses a significant health burden on the Black community, leading to higher rates of morbidity and mortality.
- Black individuals with hypertension face increased risks of stroke, end-stage renal disease, and heart failure compared to other populations.
- Contrary to prior assumptions, Black individuals experience coronary artery disease at rates comparable to White individuals.
Purpose of the Study:
- To summarize the unique pathophysiological characteristics and clinical outcomes of hypertension in Black individuals.
- To highlight the disparities in hypertension-related complications within the Black community.
- To identify potential contributing factors to hypertension in Black populations.
Main Methods:
- This abstract synthesizes existing research on hypertension in Black populations.
- It compares clinical presentations and risk factors between Black and White hypertensive individuals.
- It reviews implicated pathophysiological mechanisms and contributing factors.
Main Results:
- Black hypertensive individuals exhibit higher mortality and are more prone to stroke, end-stage renal disease, and heart failure.
- Black individuals are as likely as White individuals to develop coronary artery disease.
- Compared to White hypertensives, Black hypertensives are more likely to be volume-expanded, have lower plasma renin levels, and be salt-sensitive.
Conclusions:
- Hypertension presents unique challenges and outcomes for Black individuals, necessitating tailored healthcare approaches.
- Factors such as decreased potassium and calcium intake, altered intracellular sodium and calcium handling, and psychosocial stressors contribute to hypertension pathophysiology in Black populations.
- Further research into these specific factors is essential for developing effective interventions to reduce hypertension-related health disparities in the Black community.
Abstract:
Hypertension extracts a huge toll from the black community in terms of excess morbidity and mortality. The black hypertensive is more likely to die from the disease and to have stroke, end-stage renal disease or heart failure. Furthermore, contrary to previous beliefs, blacks are at least as likely to have coronary artery disease as whites. Although substantial overlap occurs, the black hypertensive is more likely to be volume-expanded, to have a lower plasma renin level, and to be classified, as salt-sensitive than is the white hypertensive. Decreased dietary potassium and calcium intake, altered intra-cellular handling of sodium and calcium, and psychosocial factors have also been implicated in the pathophysiology of hypertension in blacks.