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Updated: Apr 29, 2026

Quantifying Acute Changes in Renal Sympathetic Nerve Activity in Response to Central Nervous System Manipulations in Anesthetized Rats
Published on: September 11, 2018
The autonomic nervous system and hypertension
Giuseppe Mancia1, Guido Grassi2
1From the IRCCS Istituto Auxologico Italiano, Milano, Italy (G.M.); Clinica Medica, Dipartimento di Scienze della Salute, Università Milano-Bicocca, Monza (Monza e Brianza), Italy (G.M., G.G.); and IRCCS Multimedica, Sesto San Giovanni, Milano, Italy (G.G.). giuseppe.mancia@unimib.it.
Essential hypertension is linked to autonomic nervous system dysfunction, specifically abnormal sympathetic nervous system activation. This review explores adrenergic and vagal abnormalities in hypertension and their impact on cardiovascular damage.
Area of Science:
- Cardiovascular Physiology
- Autonomic Nervous System Research
- Hypertension Pathophysiology
Background:
- The autonomic nervous system (ANS) is crucial for cardiovascular regulation and blood pressure control.
- Dysfunctional autonomic control, particularly sympathetic overactivation, is hypothesized to contribute to hypertension.
- Essential hypertension involves abnormalities in adrenergic and vagal functions.
Purpose of the Study:
- To review recent literature on adrenergic and vagal abnormalities in essential hypertension.
- To emphasize their role in promoting and amplifying high blood pressure.
- To discuss mechanisms and impact on cardiovascular damage.
Main Methods:
- Literature review of experimental and clinical investigations.
- Focus on adrenergic and vagal abnormalities in essential hypertension.
- Examination of cardiovascular damage and intervention effects.
Main Results:
- Abnormal sympathetic activation and vagal dysfunction are implicated in hypertension.
- These abnormalities promote and amplify the hypertensive state.
- They contribute to structural and functional cardiovascular damage.
Conclusions:
- Autonomic nervous system dysfunction is central to essential hypertension.
- Understanding these abnormalities is key to managing hypertension and its complications.
- Interventions targeting the ANS may restore normotensive states.
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