Related Experiment Video

Updated: Aug 25, 2026

A Modified Transcranial Middle Cerebral Artery Occlusion Model to Study Stroke Outcomes in Aged Mice
04:46

A Modified Transcranial Middle Cerebral Artery Occlusion Model to Study Stroke Outcomes in Aged Mice

Published on: May 5, 2023

Current and future concepts in stroke prevention

Fintan O'Rourke1, Naeem Dean, Naveed Akhtar

  • 1Stroke Prevention Clinic, University of Alberta Hospital, Mackenzie Health Sciences Centre.

CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne
|March 31, 2004
PubMed

Insights

This review covers atherosclerotic diseases, the primary cause of stroke in older adults. It examines evidence for treatments like antiplatelet drugs and surgery to prevent strokes.

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Geriatrics

Background:

  • Stroke is a significant cause of disability and death, particularly in aging populations.
  • Atherosclerotic diseases are the most frequent underlying cause of stroke.

Purpose of the Study:

  • To present the current understanding of stroke pathophysiology.
  • To review evidence for therapeutic interventions in stroke prevention.

Main Methods:

  • Literature review of existing therapeutic interventions.
  • Analysis of evidence for stroke prevention strategies.

Main Results:

  • Evidence for antiplatelet agents in stroke prevention.
  • Evidence for anticoagulants in stroke prevention.
  • Evidence for antihypertensive medications, lipid-lowering agents, and carotid endarterectomy.

Conclusions:

  • Atherosclerosis is a key target for stroke prevention strategies.
  • Multiple therapeutic interventions demonstrate efficacy in reducing stroke risk.
  • Further research may refine optimal stroke prevention protocols.

Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
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...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Stroke: Introduction and Types01:29

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...