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Related Concept Videos

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.
Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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...
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Atherosclerosis IV: Nursing Management

Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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...
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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...

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Related Experiment Video

Updated: Jun 25, 2026

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
06:07

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Published on: October 22, 2020

[Smoking and stroke].

Marie Girot1

  • 1Pôle de l'Urgence, EA2691 Troubles Cognitifs Vasculaires et Dégénératifs, Université Lille II, Hôpital Roger Salengro, CHU Lille, F-59037 Lille, France. m-girot@chru-lille.fr

Presse Medicale (Paris, France : 1983)
|February 10, 2009
PubMed
Summary

Cigarette smoking significantly elevates stroke risk, particularly ischemic stroke, even with passive exposure. Quitting smoking reduces vascular event risk, yet many young stroke patients continue smoking.

Area of Science:

  • Neurology
  • Cardiovascular Science
  • Public Health

Context:

  • Cigarette smoking is a major contributor to stroke, accounting for up to 25% of all cases.
  • This risk escalates to 50% in young adults with cryptogenic ischemic stroke.
  • The association is particularly strong for ischemic stroke subtypes linked to arterial atherothromboembolism.

Purpose:

  • To evaluate the association between cigarette smoking and various stroke subtypes.
  • To quantify the increased relative risk of stroke conferred by smoking.
  • To assess the impact of passive smoking and smoking cessation on stroke risk.

Summary:

  • Smoking doubles the risk of ischemic stroke and triples the risk of subarachnoid hemorrhage.
  • Current smoking is not a clearly identified risk factor for intra-cerebral hemorrhage.

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Last Updated: Jun 25, 2026

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
06:07

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Published on: October 22, 2020

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
04:38

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

Published on: May 22, 2019

  • The risk is dose-dependent, influenced by passive smoking, and highest in middle age, with greater toxicity observed in female smokers with additional risk factors.

    • Impact:

    • Cigarette withdrawal demonstrably reduces the risk of subsequent vascular events.
    • Despite known risks, two-thirds of young stroke patients continue to smoke, highlighting a critical public health challenge.
    • Findings underscore the importance of smoking cessation interventions in stroke prevention, especially among younger populations.