Magnetic resonance imaging-documented extravasation as an indicator of acute hypertensive intracerebral hemorrhage

Journal of Neurosurgery
Y MuraiY Tsuji

Abstract

The aim of this study was to determine the usefulness of magnetic resonance (MR) imaging-documented extravasation as an indicator of continued hemorrhage in patients with acute hypertensive intracerebral hemorrhage (ICH). The authors studied 108 patients with acute hyperintensive ICH. Imaging modalities included noncontrast-enhanced computerized tomography (CT) scanning, gadolinium-enhanced MR imaging, and conventional cerebral angiography obtained within 6 hours after the onset of hemorrhage. A repeated CT scan was obtained within 48 hours to evaluate enlargement of the hematoma. Findings on MR imaging indicating extravasation, including any high-intensity signals on T1-weighted postcontrast images, were observed in 39 patients, and 17 of these also showed evidence of extravasation on cerebral angiography. The presence of extravasation on MR imaging was closely correlated with evidence of hematoma enlargement on follow-up CT scans (p < 0.001). Evidence of extravasation documented on MR imaging indicates persistent hemorrhage and correlates with enlargement of the hematoma.

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Citations

Oct 12, 2011·Cerebrovascular Diseases·Thorsten SteinerUNKNOWN European Research Network on Intracerebral Haemorrhage
Oct 8, 1999·Stroke; a Journal of Cerebral Circulation·K J BeckerW A Cohen
Dec 31, 2015·Stroke; a Journal of Cerebral Circulation·Katharina A SchindlbeckJochen B Fiebach
Feb 27, 2007·Stroke; a Journal of Cerebral Circulation·Ryan WadaSean P Symons
Feb 5, 2005·Stroke; a Journal of Cerebral Circulation·UNKNOWN NINDS ICH Workshop Participants
Mar 17, 2009·Stroke; a Journal of Cerebral Circulation·Christen D BarrasUNKNOWN Recombinant Activated Factor VII Intracerebral Hemorrhage Trial Investigators
Mar 17, 2009·Stroke; a Journal of Cerebral Circulation·Ashraf EderiesRichard I Aviv
May 28, 2019·The Neuroradiology Journal·David J RitchieDaniel Vinocur
Oct 4, 2006·Current Opinion in Anaesthesiology·M J Souter
Dec 27, 2019·The Neurologist·Yasuo MuraiAkio Morita
Nov 26, 2016·Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·Mikel TerceñoYolanda Silva

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BETA
saturation recovery

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