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Quantifying Acute Changes in Renal Sympathetic Nerve Activity in Response to Central Nervous System Manipulations in Anesthetized Rats
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Heart failure and its treatment from the perspective of sympathetic nerve activity

Shinya Minatoguchi1

  • 1Heart Failure Center, Cardiology, Gifu Municipal Hospital, Gifu City, Gifu, Japan; Department of Circulatory and Respiratory Advanced Medicine, Gifu University Graduate School of Medicine, Gifu City, Gifu, Japan.

Journal of Cardiology
|December 20, 2021
PubMed

Insights

Heart failure prognosis is poor, worsened by sustained sympathetic nerve overactivity. Current heart failure drugs optimize this overactivity, improving patient outcomes.

Area of Science:

  • Cardiology
  • Pharmacology
  • Physiology

Background:

  • Heart failure (HF) is an increasing global health concern, particularly in aging populations.
  • HF carries a poor prognosis, with a 5-year mortality rate comparable to advanced cancer.
  • Understanding HF's mechanisms is crucial for effective treatment and improved survival.

Purpose of the Study:

  • To elucidate the mechanisms underlying heart failure prognosis.
  • To explore the role of sympathetic nerve activity in heart failure progression.
  • To review current heart failure therapies in light of their impact on sympathetic nerve activity.

Main Methods:

  • Review of existing literature on heart failure pathophysiology and treatment.
  • Analysis of the relationship between sympathetic nerve activity markers (e.g., noradrenaline) and patient survival.
  • Examination of the mechanisms of action for current guideline-recommended heart failure medications.

Main Results:

  • Elevated plasma noradrenaline levels predict poor survival in heart failure patients.
  • Chronic sympathetic nerve overactivity, particularly in the heart and kidneys, exacerbates heart failure.
  • Current effective heart failure medications share the common trait of modulating excessive sympathetic nerve activity.

Conclusions:

  • Sympathetic nerve overactivity is a key determinant of poor heart failure prognosis.
  • Targeting and optimizing sympathetic nerve activity is a central strategy in managing heart failure.
  • Current therapeutic approaches align with this understanding, offering improved outcomes for heart failure patients.

Keywords:
Anti-heart failure drugsHeart failureNoradrenalinePrognosisSympathetic nerve activity

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