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Quantifying Acute Changes in Renal Sympathetic Nerve Activity in Response to Central Nervous System Manipulations in Anesthetized Rats
Published on: September 11, 2018
The sympathetic control of blood pressure
1Department of Pharmacology, Health Sciences Center, University of Virginia, 1300 Jefferson Park Avenue, Charlottesville, Virginia 22908-0735, USA. pgg@virginia.edu
Insights
Hypertension, a chronic elevation of blood pressure, is often linked to increased sympathetic tone. This review explores how elevated sympathetic tone develops and contributes to this widespread cardiovascular disease.
Area of Science:
- Cardiovascular Physiology
- Neuroscience
Background:
- Hypertension is a significant global health issue.
- The precise causes of most hypertension cases are unknown.
- Elevated sympathetic nervous system activity is increasingly implicated in hypertension.
Purpose of the Study:
- To review the mechanisms generating sympathetic tone to cardiovascular organs.
- To discuss the contribution of elevated sympathetic tone to hypertension.
Main Methods:
- Literature review of existing research on sympathetic nervous system activity and hypertension.
- Analysis of physiological pathways involved in sympathetic tone regulation.
Main Results:
- Sympathetic tone is generated through complex central and peripheral neural pathways.
- Sustained elevation of sympathetic tone can directly promote hypertensive conditions.
Conclusions:
- Understanding the generation of sympathetic tone is crucial for hypertension research.
- Targeting sympathetic pathways may offer therapeutic strategies for hypertension.
Abstract:
Hypertension - the chronic elevation of blood pressure - is a major human health problem. In most cases, the root cause of the disease remains unknown, but there is mounting evidence that many forms of hypertension are initiated and maintained by an elevated sympathetic tone. This review examines how the sympathetic tone to cardiovascular organs is generated, and discusses how elevated sympathetic tone can contribute to hypertension.
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