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Related Concept Videos

Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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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...

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Related Experiment Video

Updated: May 31, 2026

Non-invasive Imaging and Analysis of Cerebral Ischemia in Living Rats Using Positron Emission Tomography with 18F-FDG
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Non-invasive Imaging and Analysis of Cerebral Ischemia in Living Rats Using Positron Emission Tomography with 18F-FDG

Published on: December 28, 2014

Post-anoxic vegetative state: imaging and prognostic perspectives.

Mario Stanziano1, Carolina Foglia, Andrea Soddu

  • 1Department of Public, Clinical, and Preventative Medicine, Second University of Naples, Italy. mariostanziano@libero.it

Functional Neurology
|June 23, 2011
PubMed
Summary
This summary is machine-generated.

Determining prognosis for comatose patients after cardiac arrest is challenging. Combining neurological, electrophysiological, imaging, and biochemical markers may improve early detection of poor outcomes.

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Related Experiment Videos

Last Updated: May 31, 2026

Non-invasive Imaging and Analysis of Cerebral Ischemia in Living Rats Using Positron Emission Tomography with 18F-FDG
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Non-invasive Imaging and Analysis of Cerebral Ischemia in Living Rats Using Positron Emission Tomography with 18F-FDG

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Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia
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Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia

Published on: September 20, 2015

Area of Science:

  • Neurology
  • Critical Care Medicine
  • Medical Prognosis

Background:

  • Accurate prognosis for comatose patients post-cardiac arrest is crucial for ethical, social, and legal decision-making.
  • Uncertainty in predicting outcomes impacts treatment decisions and family relations.

Purpose of the Study:

  • To identify early prognostic markers for patients in coma after resuscitation from cardiac arrest.
  • To reduce uncertainty in treatment and non-treatment decisions.
  • To improve clinician-family communication.

Main Methods:

  • Systematic literature review of studies published between 1991 and 2010.
  • Keywords included: post-anoxic coma, vegetative state prognosis, recovery after cardiac arrest.
  • Analysis of neurological examination, electrophysiology, imaging, and biochemical markers.

Main Results:

  • Multiple tools, including neurological examination, electrophysiology, imaging, and biochemical markers, are valuable for prognosis.
  • No single test offers 100% predictive value for patient outcome.
  • Combining various prognostic markers enhances prediction reliability.

Conclusions:

  • Early detection of poor prognosis in post-cardiac arrest coma patients is feasible through a multimodal approach.
  • While promising, the combination of prognostic markers requires further research for optimal application.
  • Improved prognostic accuracy can aid clinical decision-making and family support.