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Related Concept Videos

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...
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.
Atherosclerosis IV: Nursing Management01:23

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 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...
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...
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.

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Updated: May 26, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Advances in stroke therapy.

Hayder Jaffer1, Viola B Morris, Desiree Stewart

  • 1Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195.

Drug Delivery and Translational Research
|December 28, 2011
PubMed
Summary
This summary is machine-generated.

Effective stroke treatments are urgently needed. This review explores nanoparticle delivery of antioxidants to minimize brain damage and promote recovery, extending the treatment window beyond current limitations.

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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

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Last Updated: May 26, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Pharmacology

Background:

  • Stroke is a major cause of death and disability, with limited treatment options.
  • Current therapy, tissue plasminogen activator (t-PA), has a narrow therapeutic window and risks hemorrhage.
  • Reperfusion injury, mediated by reactive oxygen species (ROS), exacerbates brain damage.

Purpose of the Study:

  • To review current stroke therapeutic approaches.
  • To discuss the potential of nanoparticle-mediated antioxidant delivery for stroke treatment.
  • To address the challenge of delivering antioxidants effectively to the brain.

Main Methods:

  • Literature review of existing stroke therapies.
  • Exploration of surgical interventions.
  • Discussion of nanoparticle-mediated delivery systems for antioxidants.

Main Results:

  • t-PA has significant limitations, including a short treatment window and hemorrhage risk.
  • Reactive oxygen species (ROS) play a key role in ischemic stroke injury.
  • Nanoparticle delivery offers a promising strategy for overcoming antioxidant delivery challenges to the brain.

Conclusions:

  • There is a critical need for novel stroke therapies beyond t-PA.
  • Nanoparticle-based antioxidant delivery holds significant potential for extending the therapeutic window and minimizing reperfusion injury.
  • Further research into effective brain-targeted antioxidant delivery is warranted for improved stroke recovery.