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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...
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...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation 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.
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...
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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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

Stroke in critically ill patients.

F Pilato1, P Profice, M Dileone

  • 1Institute of Neurology, Catholic University, Rome, Italy.

Minerva Anestesiologica
|July 19, 2008
PubMed
Summary
This summary is machine-generated.

Critically ill patients in intensive care units (ICUs) face risks of stroke, including silent strokes, which can lead to long-term neurocognitive impairment. Early stroke management guidelines should be applied in ICUs to improve patient outcomes.

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Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

Published on: January 15, 2017

Area of Science:

  • Critical care medicine
  • Neurology
  • Neuroscience

Background:

  • Improved survival in Intensive Care Units (ICUs) highlights the need to address long-term complications.
  • Patients in ICUs are at risk for stroke due to factors like coagulation disorders and diabetes.
  • Silent strokes, often unrecognized, may contribute significantly to neurocognitive impairment and vascular dementia in ICU survivors.

Purpose of the Study:

  • To underscore the importance of recognizing and managing stroke, including silent strokes, in critically ill patients.
  • To highlight the potential long-term consequences of stroke on neurocognitive function and quality of life in ICU survivors.
  • To advocate for the application of established stroke management guidelines within the ICU setting.

Main Methods:

  • Review of existing literature on stroke incidence and consequences in ICU patients.
  • Discussion of risk factors for stroke in the critically ill population.
  • Emphasis on the role of advanced neuroimaging in identifying silent brain lesions.

Main Results:

  • Stroke, including silent forms, is a significant concern for ICU patients, potentially leading to severe long-term neurocognitive deficits in up to one-third of survivors.
  • Silent brain lesions, such as infarcts and white matter changes, are increasingly recognized with sensitive imaging techniques.
  • Current epidemiological data on stroke in the ICU setting is limited, necessitating further prospective research.

Conclusions:

  • Stroke in critically ill patients requires greater attention, as it can negatively impact long-term outcomes.
  • Implementing early stroke management protocols, similar to those in Stroke Units, is crucial even for patients in ICUs.
  • Prospective studies are essential to fully understand the impact of stroke on the quality of life, neurocognitive status, and mortality of ICU patients.