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Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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...
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...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...

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Updated: Jun 27, 2026

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

Hypertension and cerebrovascular damage.

Franco Veglio1, Cristina Paglieri, Franco Rabbia

  • 1University of Turin, Italy. franco.veglio@unito.it

Atherosclerosis
|December 23, 2008
PubMed
Summary

High blood pressure is a key factor in brain damage, leading to stroke and dementia. Controlling hypertension may help prevent these conditions, though its impact on cognition requires further study.

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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
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Published on: April 23, 2021

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Area of Science:

  • Neurology
  • Cardiology
  • Public Health

Background:

  • Hypertension is a primary modifiable risk factor for cerebrovascular disease.
  • Stroke and dementia represent significant global health challenges with substantial socioeconomic impacts.
  • Hypertension-induced brain lesions, including lacunar infarcts and white matter changes, contribute to neurological alterations and cognitive decline.

Purpose of the Study:

  • To highlight the critical link between hypertension and cerebrovascular lesions.
  • To emphasize the importance of recognizing hypertension-related brain damage.
  • To discuss the role of antihypertensive therapy in stroke prevention and its debated effects on cognition.

Main Methods:

  • Review of mechanisms linking hypertension to brain pathology.
  • Analysis of clinical benefits of antihypertensive therapy for stroke.
  • Evaluation of current understanding of antihypertensive effects on cognition.

Main Results:

  • Hypertension contributes to various brain lesions (lacunar infarcts, white matter changes, intracerebral hemorrhages).
  • These lesions can cause silent or evident neurological deficits, often preceding cognitive decline.
  • Antihypertensive therapy is effective for stroke prevention, but its cognitive effects remain under investigation.

Conclusions:

  • Recognizing and correlating cerebrovascular lesions with hypertension is crucial for patient management.
  • Integrated consideration of parenchymal and functional brain damage is necessary for effective medical interventions.
  • Further research is needed to clarify the impact of antihypertensive treatments on cognitive function.