Total cardiovascular risk, blood pressure variability and adrenergic overdrive in hypertension: evidence, mechanisms and clinical implications
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Published on: May 17, 2024
Guido Grassi1, Michele Bombelli, Gianmaria Brambilla
1Clinica Medica, Ospedale San Gerardo dei Tintori Monza, University of Milano-Bicocca, Milan, Italy. guido.grassi@unimib.it
Insights
Hypertension patients face cardiovascular risks not just from high blood pressure, but also from sympathetic overdrive and blood pressure variability. This review explores these factors
Area of Science:
- Cardiology
- Hypertension Research
- Vascular Biology
Background:
- Cardiovascular risk in hypertensive patients is multifactorial, extending beyond blood pressure levels.
- Associated cardiovascular risk factors, comorbidities, and target organ damage significantly influence event risk.
- Emerging evidence implicates sympathetic nervous system activity and blood pressure variability in hypertension-related cardiovascular risk.
Purpose of the Study:
- To review current evidence on the link between sympathetic activation and blood pressure variability in hypertensive patients.
- To analyze the impact of sympathetic overdrive and blood pressure variability on the cardiovascular risk profile.
- To synthesize recent findings on these under-investigated risk factors in hypertension.
Main Methods:
- Literature review of recent studies (past few years).
- Analysis of evidence linking sympathetic activity, blood pressure variability, and cardiovascular outcomes.
- Synthesis of findings related to hypertension and cardiovascular risk.
Main Results:
- Sympathetic overdrive is a recognized factor contributing to increased cardiovascular risk in hypertension.
- Alterations in blood pressure variability are also detected in hypertensive patients and linked to heightened cardiovascular risk.
- The interplay between sympathetic activity and blood pressure variability significantly modulates the overall cardiovascular risk profile.
Conclusions:
- Sympathetic activation and altered blood pressure variability are significant contributors to cardiovascular risk in hypertensive individuals.
- These factors, alongside traditional risk factors, are crucial for a comprehensive risk assessment.
- Further research into modulating sympathetic activity and blood pressure variability may offer novel therapeutic strategies for hypertension management.
Abstract:
In hypertensive patients the risk of developing cardiovascular events and complications depends not only on the magnitude of the blood pressure elevation, but also, and to a consistent extent, on the presence of associated cardiovascular risk factors, concomitant disease and target organ damage. Recent findings suggest that also sympathetic overdrive and alterations in blood pressure variability (which are detected in hypertension) may participate at the increased cardiovascular risk of the patients with high blood pressure. This review will discuss the evidence collected over the past few years on the relationships between sympathetic activation and blood pressure variability and their impact on cardiovascular risk profile.
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