iSchemaView wins new FDA clearance for Rapid platform

Cerebrovascular imaging software developer iSchemaView has received an additional...Read more on AuntMinnie.comRelated Reading: iSchemaView reports rapid sales growth iSchemaView lands FDA nod for CTA software Perfusion imaging expands window for stroke treatment
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news

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An artificial intelligence (AI) algorithm that quantifies blood flow on cardiac...Read more on AuntMinnie.comRelated Reading: What can AI do to speed up cardiac MRI interpretations? AI can find patients at risk for MRI safety issues Advances in imaging, AI make cardiac MRI more accessible Is perfusion MRI best to rule on revascularization? AI model could enable gadolinium-free cardiac MRI
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
Publication date: March 2020Source: Journal of Vascular and Interventional Radiology, Volume 31, Issue 3, SupplementAuthor(s): R. Wang, K. Chang, H. Zhou, J. Wu, G. Cohan, M. Jayaraman, R. Huang, J. Boxerman, L. Yang, F. Hui, J. Woo, H. Bai
Source: Journal of Vascular and Interventional Radiology - Category: Radiology Source Type: research
The use of CTP along with MRA, CTA, and angiography presents unique pearls and pitfalls in the community hospital setting. We hypothesize that this pictorial review and analysis will reveal trends and issues unique to the community setting that have not been exposed in prior research with implications relevant to practice.
Source: Journal of Vascular and Interventional Radiology : JVIR - Category: Radiology Authors: Tags: Scientific e-Poster Source Type: research
Endovascular treatment of ischemic stroke has shown positive clinical outcomes. Further optimization requires identifying patients who will benefit from reperfusion. We propose using deep learning, specifically 3D convolutional neural networks (CNN), to identify infarcted tissue (core) on CT perfusion (CTP) with diffusion weighted imaging (DWI) MRI as gold standard for irreversible brain infarction and evaluate lesion size impact on the network ’s performance.
Source: Journal of Vascular and Interventional Radiology : JVIR - Category: Radiology Authors: Tags: Scientific Traditional Poster Source Type: research
We report the case of a patient with acute CVST, showing perfusion abnormalities on computed tomography perfusion with perfusion defect in the relevant hemisphere. The defect was found in a region adjacent to the occluded sinus and was not corresponding to an arterial territory. To the best of our knowledge this is the first ever report on CT perfusion abnormalities few hours after acute symptom onset in CVST.
Source: Journal of Stroke and Cerebrovascular Diseases - Category: Neurology Authors: Tags: Case Report Source Type: research
In conclusion, CV decrease is not sufficient to promote arrhythmias; enlargement of atrial surface is essential to create a substrate for acute reentry-based arrhythmias.
Source: Progress in Biophysics and Molecular Biology - Category: Molecular Biology Source Type: research
Objective: To explore the value of whole-brain perfusion parameters combined with multiphase computed tomography angiography (MP-CTA) in predicting the hemorrhagic transformation (HT) of ischemic stroke. Methods: A total of 64 patients with ischemic stroke who underwent noncontrast computed tomography, computed tomography perfusion imaging, and computed tomography angiography before treatment from August 2017 to June 2019 were included retrospectively. The perfusion parameters cerebral blood volume (CBV), cerebral blood flow (CBF), time to peak (TTP), mean transit time (MTT), time to maximum (Tmax), and permeability surfac...
Source: Journal of Stroke and Cerebrovascular Diseases - Category: Neurology Authors: Source Type: research
This article presents a new multiphase CTA display format that incorporates vascular information from all phases of the multiphase CTA series in a single time-variant color map, thereby facilitating multiphase CTA interpretation, particularly for less experienced readers. Exemplary cases of multiphase CTA from this new display format are compared with conventional multiphase CTA, CT perfusion, and follow-up imaging to demonstrate how time-variant multiphase CTA color maps facilitate assessment of collateral flow, detection of distal and multiple intracranial occlusions, differentiation of pseudo-occlusion from real occlusi...
Source: American Journal of Neuroradiology - Category: Radiology Authors: Tags: PRACTICE PERSPECTIVES Source Type: research
CONCLUSIONS: Compared with RAPID, the Vitrea default setting was noninferior for patients with interventions and superior in penumbra estimation for patients without interventions as indicated by mean infarct differences and correlations with final infarct volumes.
Source: American Journal of Neuroradiology - Category: Radiology Authors: Tags: ADULT BRAIN Source Type: research
The combination of radiomics and a machine-learning algorithm can determine...Read more on AuntMinnie.comRelated Reading: AI may help improve management of stroke patients AI finds infarction in stroke patients on unenhanced CT CT plus CT perfusion predicts stroke surgery outcomes CTA lowers costs, improves outcomes for minor stroke Can AI find brain hemorrhage as well as radiologists?
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
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