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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
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Cerebral blood flow impairment and cognitive decline in heart failure

Ana Ovsenik1,2, Matej Podbregar3,4, Andrej Fabjan5,6

  • 1Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.

Brain and Behavior
|May 15, 2021
PubMed

Insights

Chronic heart failure impairs brain blood flow, leading to cognitive decline in many patients. Understanding these mechanisms is key for early detection and treatment.

Area of Science:

  • Cardiology
  • Neurology
  • Neuroscience

Background:

  • Cognitive decline affects 25-50% of patients with chronic heart failure, contributing significantly to disability.
  • Understanding the pathophysiological mechanisms linking heart failure to cognitive impairment is crucial.

Purpose of the Study:

  • To review the literature on mechanisms of cerebral blood flow regulation.
  • To examine the impact of cardiac dysfunction on cerebral blood flow.
  • To elucidate mechanisms underlying cognitive decline in chronic heart failure.

Main Methods:

  • Conducted an extensive PubMed literature search.
  • Focused on cerebral blood flow regulation, cardiac dysfunction effects, and heart failure-cognitive decline links.

Main Results:

  • Cardiac dysfunction impairs cerebral blood flow, increasing risk for cognitive decline.
  • Chronic regional hypoperfusion in critical brain areas is a proposed mechanism.
  • Cardiovascular risk factors can cause microvascular damage, further compromising cognitive function.

Conclusions:

  • Interdisciplinary collaboration between neurology and cardiology is vital.
  • Identifying neuropathophysiological changes aids early risk detection.
  • Developing therapeutic strategies can help prevent or reduce cognitive decline.
Abstract

Keywords:
autonomic nervous systemcerebral autoregulationcerebral blood flowcognitive declineheart failureneurovascular coupling

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