Total cardiovascular risk, blood pressure variability and adrenergic overdrive in hypertension: evidence, mechanisms

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.

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