Related Experiment Video

Updated: Oct 22, 2025

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
07:30

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

3.2K

Cognitive Dysfunction after Heart Disease: A Manifestation of the Heart-Brain Axis

Chengyang Xu1,2, Xueshu Tao3, Xiaonan Ma1,2

  • 1Department of Forensic Pathology, School of Forensic Medicine, China Medical University, No. 77, Puhe Road, Shenyang North New Area, Shenyang 110122, China.

Oxidative Medicine and Cellular Longevity
|August 30, 2021
PubMed

Insights

Heart disease can impair brain function, leading to cognitive decline. Understanding the heart-brain axis is crucial for developing new treatments for cognitive dysfunction in heart patients.

Area of Science:

  • Neuroscience
  • Cardiology
  • Pathophysiology

Background:

  • The brain-heart axis is well-studied, but the converse, the heart-brain axis, is less understood.
  • Cognitive dysfunction is a common manifestation of heart disease, particularly heart failure.

Purpose of the Study:

  • To review the mechanisms underlying cognitive dysfunction in heart disease.
  • To highlight the importance of the heart-brain axis in clinical practice and research.

Main Methods:

  • Literature review of studies investigating the heart-brain axis.
  • Analysis of proposed mechanisms linking heart disease to cognitive decline.

Main Results:

  • Hypoperfusion due to heart failure is a significant risk factor for cognitive decline.
  • Mechanisms include impaired blood perfusion, immune response, and oxidative stress.
  • The blood-brain barrier, glial cells, and amyloid-beta are implicated.

Conclusions:

  • Clinicians must monitor cognitive function in heart disease patients, especially those with heart failure.
  • Further research into heart-brain axis mechanisms can identify novel therapeutic targets.
  • Intervention in cognitive dysfunction post-heart disease requires a deeper understanding of these pathways.

More Related Videos

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats04:38

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats

Published on: May 22, 2019

10.5K
Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition16:08

Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition

Published on: February 1, 2012

16.4K

Related Concept Videos

Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
84
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
2.0K
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
89
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
108
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
97
Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
124