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Recent pathogenic aspects in essential hypertension and hypertension associated with diabetes mellitus
Insights
Hypertension arises from imbalances in blood pressure regulation, involving factors like the sympathetic system and renin-angiotensin system. Understanding these mechanisms is key to managing high blood pressure, especially in diabetes.
Area of Science:
- Cardiovascular Physiology
- Endocrinology
- Nephrology
Background:
- Blood pressure regulation involves complex interactions between the sympathetic nervous system, sodium-fluid balance, and the renin-angiotensin system.
- Dysregulation of these systems, leading to increased pressor factors or vascular tone, results in hypertension.
- Hypertension is a significant comorbidity, particularly in patients with diabetes mellitus.
Purpose of the Study:
- To review recent findings on the pathogenesis of essential hypertension.
- To explore the mechanisms of hypertension in the context of diabetes mellitus.
- To examine the role of pressor factors and cardiovascular responsiveness in hypertension development and diuretic treatment efficacy.
Main Methods:
- Literature review of recent observations and concepts.
- Analysis of the roles of various pressor factors.
- Examination of cardiovascular pressor responsiveness and antihypertensive mechanisms.
Main Results:
- Identified key regulatory systems contributing to blood pressure homeostasis.
- Highlighted deviations from normal equilibrium leading to pathological increases in blood pressure.
- Discussed the interplay of pressor factors and vascular tone in hypertension genesis.
Conclusions:
- Essential hypertension and diabetes-associated hypertension share common pathogenic pathways involving pressor systems.
- Cardiovascular pressor responsiveness plays a crucial role in the development of high blood pressure.
- Diuretic therapy demonstrates antihypertensive effects through modulation of these pressor mechanisms.
Abstract:
The sympathetic system, the body sodium-fluid volume state, the renin-angiotensin system, functional and structural characteristics of the heart and blood vessels, and some other components are important complementary factors in blood pressure regulation. A deviation from the normal equilibrium among these components, with a persisting non-physiologic increase in pressor factor(s) or in the basal vascular tone and/or cardiovascular reactivity to pressor factors, leads to hypertension. This review discusses recent observations and concepts regarding the pathogenesis of essential hypertension and hypertension associated with diabetes mellitus. It focuses on the roles of various pressor factors as well as cardiovascular pressor responsiveness in the genesis of high blood pressure and in the antihypertensive mechanism of diuretic treatment.