Relationship Between Changes in the Temporal Dynamics of the Blood-Oxygen-Level-Dependent Signal and Hypoperfusion in Acute Ischemic Stroke
Author(s) -
Ahmed A. Khalil,
AnnChristin Ostwaldt,
Till Nierhaus,
Ramanan Ganeshan,
Heinrich J. Audebert,
Kersten Villringer,
Arno Villringer,
Jochen B. Fiebach
Publication year - 2017
Publication title -
stroke
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.397
H-Index - 319
eISSN - 1524-4628
pISSN - 0039-2499
DOI - 10.1161/strokeaha.116.015566
Subject(s) - medicine , interquartile range , cerebral blood flow , perfusion , cardiology , magnetic resonance imaging , coefficient of variation , receiver operating characteristic , perfusion scanning , stroke (engine) , blood volume , area under the curve , blood flow , nuclear medicine , venous blood , radiology , mechanical engineering , statistics , mathematics , engineering
Changes in the blood-oxygen-level-dependent (BOLD) signal provide a noninvasive measure of blood flow, but a detailed comparison with established perfusion parameters in acute stroke is lacking. We investigated the relationship between BOLD signal temporal delay and dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI) in stroke patients.
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