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Related Concept Videos

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...
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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Related Experiment Video

Updated: May 28, 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

The Penumbra Stroke System: a technical review.

Albert J Yoo1, Don Frei, Satoshi Tateshima

  • 1Department of Interventional and Diagnostic Neuroradiology, Massachusetts General Hospital, Boston, Massachusetts 02214, USA. ajyoo@partners.org

Journal of Neurointerventional Surgery
|October 13, 2011
PubMed
Summary
This summary is machine-generated.

Endovascular therapy, using mechanical devices like the Penumbra Stroke System, significantly improves blood vessel opening rates for major ischemic strokes. This approach offers better outcomes than traditional treatments for large vessel occlusions.

More Related Videos

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

Related Experiment Videos

Last Updated: May 28, 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

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

Area of Science:

  • Neurology
  • Interventional Neuroradiology
  • Vascular Surgery

Background:

  • Major ischemic strokes from proximal artery occlusions cause severe disability and death.
  • Intravenous tissue plasminogen activator is often ineffective for large clot burdens in these strokes.

Purpose of the Study:

  • To review technical tips and tricks for endovascular therapy in treating large vessel occlusions.
  • To share experience with the Penumbra Stroke System and 054 reperfusion catheter.

Main Methods:

  • Review of clinical experience with endovascular mechanical thrombectomy.
  • Focus on the Penumbra Stroke System and 054 reperfusion catheter.

Main Results:

  • Mechanical devices have markedly improved recanalization rates for large vessel occlusions.
  • Increased experience leads to higher rates of successful revascularization (TIMI 2 and 3).
  • Faster times to vessel opening are achieved with advanced techniques.

Conclusions:

  • Endovascular therapy is highly effective for ischemic strokes due to large vessel occlusions.
  • The Penumbra Stroke System facilitates improved revascularization outcomes.
  • Sharing technical experience can further enhance treatment efficacy.