[PDF] Top 20 Applications of CT Perfusion-Based Triaging and Prognostication in Acute Ischemic Stroke

Applications of CT Perfusion-Based Triaging and Prognostication in Acute Ischemic Stroke

... both ischemic and normal ...duration based on venous output function shape requires an additional pre-scan with a bolus injection of contrast to measure the venous output ... See full document

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Leukoaraiosis May Confound the Interpretation of CT Perfusion in Patients Treated with Mechanical Thrombectomy for Acute Ischemic Stroke

... in stroke assessment, our results highlighted the limitations of CTP in the prediction of final infarct, and sup- port the current stroke guideline indications based on NCCT ASPECTS evaluation for ... See full document

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Automated ASPECTS in Acute Ischemic Stroke: A Comparative Analysis with CT Perfusion

... Our results reaffirmed the concern of interobserver variability for ASPECTS assessment by showing only fair interobserver agreement (k = 0.48), even for experienced neuroradiologists. This has been attributed to factors ... See full document

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Relative Filling Time Delay Based on CT Perfusion Source Imaging: A Simple Method to Predict Outcome in Acute Ischemic Stroke

... 1 stroke neurologist, to iden- tify patients with complete (Thrombolysis in Myocardial Infarc- tion, 0) occlusion of the MCA or ...a stroke neurologist ... See full document

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Application of acute stroke imagingSelecting patients for revascularization therapy

... of ischemic penumbra, selecting the right acute ischemic stroke (AIS) patients for revascularization therapy (RT) based on initial available imaging can be ...or CT- based ... See full document

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Predicting Language Improvement in Acute Stroke Patients Presenting with Aphasia: A Multivariate Logistic Model Using Location Weighted Atlas Based Analysis of Admission CT Perfusion Scans

... previous ischemic stroke and in- clusion of patients with acute ischemic stroke in our study Table 5: Predictive value of the aphasia improvement ... See full document

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Acute Stroke Evaluated by Time to Peak Mapping during Initial and Early Follow up Perfusion CT Studies

... with acute stroke, reported a sen- sitivity of 89% (25 of 28 patients with proved in- ...sufficient, based on our experience, to obtain rather narrowly distrib- uted time-to-peak values in the ... See full document

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Theoretic Basis and Technical Implementations of CT Perfusion in Acute Ischemic Stroke, Part 1: Theoretic Basis

... Mathematic Models for CBF and MTT Calculation The 2 major mathematic approaches involved in calculating CBF and MTT are the deconvolution- and nondeconvolu- tion-based methods. Deconvolution techniques are techni- ... See full document

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Theoretic Basis and Technical Implementations of CT Perfusion in Acute Ischemic Stroke, Part 2: Technical Implementations

... General Principles. Following CTP data acquisition, source images are generally transferred to a freestanding workstation for processing into parametric maps. There are multiple manufacturers of software packages capable ... See full document

Perfusion Based Selection for Endovascular Reperfusion Therapy in Anterior Circulation Acute Ischemic Stroke

... of CT, CTP, or MRP eligibility ...were based on published or consensus guide- lines: 1) NCCT with less than one-third hypoattenuation in the MCA territory; or 2) core infarct volume with less than one-third ... See full document

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Defining Ischemic Core in Acute Ischemic Stroke Using CT Perfusion: A Multiparametric Bayesian Based Model

... in perfusion values across brain areas, 5 additional maps were generated (difference maps) by subtracting the mean value of a cube of 27 voxels centered on the voxel exactly on the contralateral hemisphere of ... See full document

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Perfusion CT in Acute Ischemic Stroke: A Qualitative and Quantitative Comparison of Deconvolution and Maximum Slope Approach

... modern stroke-imaging technique is to detect and delineate an ischemic lesion and to provide reliable information on its ...gion-of-interest– based measurements from DC and MS were within the same ... See full document

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Differences in CT Perfusion Summary Maps for Patients with Acute Ischemic Stroke Generated by 2 Software Packages

... and perfusion abnormality as determined by the 2 software packages were ...measurements based on both software packages was as- sessed with scatterplots and with the calculation of linear regression ... See full document

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CT Perfusion in Acute Lacunar Stroke: Detection Capabilities Based on Infarct Location

... were completed by using 2 first-pass acquisitions of sequential 55– 60 second dynamic injections/scans (1 image/s) with no delay between the acquisitions. Two acquisitions were completed be- cause each included 40 mm of ... See full document

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e ASPECTS Correlates with and Is Predictive of Outcome after Mechanical Thrombectomy

... ative Acute Stroke Study II (blood at any site in the brain and clinical deterioration with an increase in the NIHSS score of at least 4 points compared with the lowest value within the first 7 days or any ... See full document

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Intravenous fibrinolysis plus endovascular thrombectomy versus direct endovascular thrombectomy for anterior circulation acute ischemic stroke: clinical and infarct volume results

... collected. Stroke etiology, according to Trial of ORG 10172 in acute stroke treatment (TOAST) criteria 15, was ...Alberta Stroke Program Early Com- puted Tomography Score (ASPECTS) evaluation ... See full document

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Determinants of extended door-to-needle time in acute ischemic stroke and its influence on in-hospital mortality: results of a nationwide Dutch clinical audit

... for acute stroke treatment that urged to implement a high-urgency stroke code, in- cluding pre-arrival notification by paramedics, written protocols of acute stroke care and ensuring ... See full document

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Automated Cerebral Infarct Volume Measurement in Follow up Noncontrast CT Scans of Patients with Acute Ischemic Stroke

... The study protocol requires 5–7 days of follow-up CT. How- ever, for some cases, it was not possible to have a follow-up scan during this time, for example, due to the death of a patient before this period. ... See full document

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Potential of CT angiography in acute ischemic stroke

... of CT angiography to show intracranial arterial occlusion and collateral blood flow in patients with acute ...with acute nonhemorrhagic stroke were studied prospectively with conventional ... See full document

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Identifying and utilizing the ischemic penumbra

... Baseline stroke severity was modest in both active treatment groups and the placebo group; median NIH Stroke Score scale was 9 in all groups, and no difference in clinical outcome was seen at day ... See full document

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