2010
DOI: 10.1007/s00701-010-0640-7
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Early infarction detected by diffusion-weighted imaging in patients with subarachnoid hemorrhage

Abstract: In the present study, DWI-detected early infarction at the time of SAH onset was correlated with the occurrence of delayed extensive ischemic lesions. We believe that performing DWI at the time of admission is useful for evaluating the primary ischemic insult, which might play an important role in the pathogenesis of early brain injury and delayed vasospasm-related complications.

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Cited by 23 publications
(9 citation statements)
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“…Shimoda et al [15] reported that very early cerebral infarctions were observed in the diffusion-weighted images of the MRIs in 8% of SAH patients and 86% of them developed delayed ischemic neurological deficits. No obvious VS was detected on 3D-CT angiography and/or MRA.…”
Section: Discussionmentioning
confidence: 99%
“…Shimoda et al [15] reported that very early cerebral infarctions were observed in the diffusion-weighted images of the MRIs in 8% of SAH patients and 86% of them developed delayed ischemic neurological deficits. No obvious VS was detected on 3D-CT angiography and/or MRA.…”
Section: Discussionmentioning
confidence: 99%
“…On the admission MRI study, high-intensity lesions visible on DWI that showed low signal intensity in the lesion on apparent diffusion coefficient mapping were defined as DWI-detected early infarction at the time of SAH onset. 19 Diagnosis of ICH was defined as a collection of blood more than 1 cm in diameter detected by CT. Rebleeding after admission was defined as a definite increase in the volume of blood visible on CT accompanied by sudden deterioration of the level of consciousness compared with baseline MRI or CT findings on admission.…”
Section: Definitions Of Variablesmentioning
confidence: 99%
“…Diffusion-weighted imaging identifies tissues at risk for ischaemia by detecting restriction to water diffusion. Diffusion-weighted imaging is a potent instrument for the detection of early brain injury after SAH [ 81 ], presenting higher sensitivity compared to NCCT [ 82 , 83 ]. Diffusion-weighted imaging may predict functional outcome after poor-grade SAH [ 84 , 85 ].…”
Section: Future Directionsmentioning
confidence: 99%