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Differentiation of Clot Composition Using Conventional and Dual-Energy Computed Tomography
ConclusionThe fibrin content in blood clots is strongly associated with contrast uptake. As previously shown, the density of the clot formations in native CT scans is dependent on the RBC. Our data show that CT density and relative enhancement of clots are independent determinants of clot composition. Using both variables in the CT workup of acute ischemic stroke has the potential to have a  decisive impact on patient stratification for treatment.
Source: Clinical Neuroradiology - May 23, 2017 Category: Neurology Source Type: research

Nongated Cardiac Computed Tomographic Angiograms for Detection of Embolic Sources in Acute Ischemic Stroke Clinical Sciences
Conclusions—Including the heart and ascending aorta in a routine non–ECG-gated computed tomographic angiogram enhances an existing imaging modality, with no increased incidence of contrast-induced nephropathy and minimal increase in radiation dose. This may help in the detection of high-risk cardiac and aortic sources of embolism in acute stroke patients.
Source: Stroke - April 24, 2017 Category: Neurology Authors: Leonard L.L. Yeo, Staffan Holmin, Tommy Andersson, Erik Lundstrom, Anil Gopinathan, Er Luen Lim, Benȷamin S.H. Leong, Win Sen Kuan, Eric Ting, Benȷamin Y.Q. Tan, Sterling Ellis Eide, Edgar L.K. Tay Tags: Computerized Tomography (CT), Cerebrovascular Disease/Stroke, Ischemic Stroke Original Contributions Source Type: research