Prediction of Infarction in Acute Cerebral Ischemic Stroke by Using Perfusion MR Imaging and 99mTc-HMPAO SPECT
Journal of the Korean Society of Magnetic Resonance in Medicine
;
: 55-63, 2002.
Article
in Korean
| WPRIM
| ID: wpr-169381
ABSTRACT
PURPOSE:
We investigated the predictive values of relative CBV measured with perfusion MR imaging, and relative CBF measured with SPECT for tissue outcome in acute ischemic stroke. MATERIALS ANDMETHODS:
Thirteen patients, who had acute unilateral middle cerebral artery occlusion, underwent perfusion MR imaging, and 99mTc-HMPAO SPECT within 6 hours after the onset of symptoms. Lesion-to-contralateral ratios of perfusion parameters were measured, and best cut-off values of both parameter ratios with their accuracy to discriminate between regions with and without evolving infarction were calculated.RESULTS:
Mean relative CBV ratios in regions with evolving infarction and without evolving infarction were 0.58+/-0.27 and 0.99+/-0.17 (p 0.05 between two parameters).CONCLUSION:
Measurement of relative CBV and relative CBF may be useful in predicting tissue outcome in acute ischemic stroke.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Perfusion
/
Magnetic Resonance Imaging
/
Tomography, Emission-Computed, Single-Photon
/
Sensitivity and Specificity
/
Technetium Tc 99m Exametazime
/
Stroke
/
Infarction, Middle Cerebral Artery
/
Infarction
Type of study:
Diagnostic study
/
Prognostic study
Limits:
Humans
Language:
Korean
Journal:
Journal of the Korean Society of Magnetic Resonance in Medicine
Year:
2002
Type:
Article
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