The links between complex coronary disease, cerebrovascular disease, and degenerative brain disease

Jason C Kovacic1,2, Jose M Castellano1,2, Valentin Fuster1,2,3

  • 1The Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, New York.

Insights

Cardiovascular disease is increasingly linked to brain health, impacting conditions like dementia. This study explores the connections between heart disease risk factors, coronary artery disease, and degenerative brain diseases.

Area of Science:

  • Cardiovascular Medicine
  • Neurology
  • Vascular Biology

Background:

  • Cardiovascular disease (CVD) is a complex systemic condition.
  • The vasculature's role in supplying blood to all organs highlights its systemic impact.
  • Emerging evidence links CVD to neurological disorders, particularly dementia.

Purpose of the Study:

  • To explore the emerging relationships between cardiovascular risk factors and degenerative brain disease.
  • To investigate the role of coronary artery disease and cerebrovascular disease in cognitive decline.
  • To enhance understanding of the interplay between vascular health and brain pathology.

Main Methods:

  • Review of current literature on cardiovascular risk factors.
  • Analysis of studies linking coronary artery disease to cerebrovascular events.
  • Examination of epidemiological data on dementia and cardiovascular health.

Main Results:

  • Cardiovascular risk factors are significantly associated with increased risk of cerebrovascular disease.
  • Complex coronary artery disease is linked to a higher prevalence of degenerative brain disease.
  • Disturbed cardiovascular function contributes to vascular pathology in the brain.

Conclusions:

  • Cardiovascular health is critically important for maintaining brain health.
  • Managing cardiovascular risk factors may mitigate the risk of dementia.
  • Further research is needed to elucidate the precise mechanisms linking vascular and brain diseases.

Related Concept Videos

Dementia l: Introduction01:22

Dementia l: Introduction

Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
Alzheimer Disease ll: Pathophysiology01:23

Alzheimer Disease ll: Pathophysiology

Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...