Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Brain death: MR and MR angiography

K Ishii1, T Onuma, T Kinoshita

  • 1Department of Radiology, Sendai Japan City Hospital, Japan.

AJNR. American Journal of Neuroradiology
|April 1, 1996
PubMed
Summary

Magnetic resonance imaging (MRI) and MR angiography can reliably detect brain death. These noninvasive methods identified characteristic changes in patients with confirmed brain death, including brain swelling and lack of blood flow.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Acute hypertensive encephalopathy].

No to shinkei = Brain and nerve·1998
Same author

Sequential assessment of cerebral blood flow in diffuse brain injury by 123I-iodoamphetamine single-photon emission CT.

AJNR. American journal of neuroradiology·1998
Same author

[The effect of Japanese herbal medicine on MRSA carrier in neurosurgery].

No shinkei geka. Neurological surgery·1997
Same author

Massive cerebral air embolism following cardiopulmonary resuscitation. Report of two cases.

Acta neurochirurgica·1993
Same author

Inhibition of passive cutaneous anaphylaxis by synthetic human immunoglobulin E peptide fragments.

FEBS letters·1992
Same author

Isolation and identification of C-type natriuretic peptide in human monocytic cell line, THP-1.

Biochemical and biophysical research communications·1992

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Brain death diagnosis relies on clinical and electroencephalographic findings.
  • Advanced imaging techniques are being explored for objective confirmation.

Purpose of the Study:

  • To evaluate the utility of MR imaging and MR angiography in diagnosing brain death.
  • To correlate imaging findings with established criteria for brain death.

Main Methods:

  • Four patients with confirmed brain death underwent MR imaging and MR angiography.
  • Analysis of MR images for signs of hypoxic ischemic brain injury and herniation.
  • Assessment of intracranial blood flow using MR angiography.

Main Results:

Related Experiment Videos

  • MR imaging revealed diffuse cerebral and cerebellar swelling with prolonged T1 and T2 signals.
  • Evidence of central and tonsillar herniation was observed.
  • MR angiography demonstrated absent flow in intracranial carotid arteries above the supraclinoid portion.

    • Conclusions:

    • MR imaging and MR angiography are noninvasive and reliable tools for determining brain death.
    • Imaging findings correlate with neurologic and electroencephalographic criteria for brain death.
    • These techniques offer objective evidence in brain death determination.