Related Experiment Video

Updated: Aug 18, 2026

Using Retinal Imaging to Study Dementia
09:17

Using Retinal Imaging to Study Dementia

Published on: November 6, 2017

Subcortical vascular dementia

Donna Fladd1

  • 1New York for Finger Lake Health Care, Penn Yan, USA.

Geriatric Nursing (New York, N.Y.)
|April 13, 2005
PubMed

Insights

Subcortical vascular dementia (SVD) is a common condition caused by small brain vessel damage, often linked to diabetes and high blood pressure. Understanding SVD symptoms is key to differentiating it from other dementias and depression.

Area of Science:

  • Neurology
  • Geriatrics
  • Public Health

Background:

  • Vascular dementia is the second leading cause of dementia in the U.S.
  • Pathophysiology involves damage to small cerebral vessels, particularly in the subcortical region.
  • Subcortical vascular dementia (SVD) is a recognized subtype.

Purpose of the Study:

  • To review the pathophysiology of SVD.
  • To outline SVD symptoms for differential diagnosis.
  • To discuss evidence-based interventions and the role of nurses.

Main Methods:

  • Literature review of pathophysiology.
  • Symptom analysis for differentiation.
  • Review of current evidence-based interventions.

Main Results:

  • SVD results from small vessel damage, often due to conditions like diabetes and hypertension.
  • Distinct symptoms aid in differentiating SVD from Alzheimer's dementia and depression.
  • Evidence-based interventions are available for management.

Conclusions:

  • Nurses have a crucial role in preventing and managing SVD.
  • Early recognition and intervention can minimize the impact of SVD on the elderly population.
  • Further research into SVD pathophysiology and treatment is warranted.

More Related Videos

A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis05:12

A Mouse Model for Vascular Cognitive Impairment and Dementia Based on Needle-guided Asymmetric Bilateral Common Carotid Artery Stenosis

Published on: November 22, 2024

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases07:47

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

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...
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...
Dementia01:30

Dementia

Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual.
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...
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...
Alzheimer's Disease: Overview01:26

Alzheimer's Disease: Overview

Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...