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Specialty: Radiology
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Total 2908 results found since Jan 2013.

Imaging Biomarkers in Acute Ischemic Stroke Trials: A Systematic Review RESEARCH PERSPECTIVES
CONCLUSIONS: Imaging biomarkers offer the opportunity to refine the trial cohort by minimizing participant variation, to decrease sample size, and to personalize treatment approaches for those who stand to benefit most. However, within imaging modalities, there has been little consistency between stroke trials. Greater effort to prospectively use consistent imaging biomarkers should help improve the development of novel treatment strategies in acute stroke and improve comparison between studies.
Source: American Journal of Neuroradiology - May 15, 2015 Category: Radiology Authors: Harston, G. W. J., Rane, N., Shaya, G., Thandeswaran, S., Cellerini, M., Sheerin, F., Kennedy, J. Tags: RESEARCH PERSPECTIVES Source Type: research

A Combined Arterial and Venous Grading Scale to Predict Outcome in Anterior Circulation Ischemic Stroke
CONCLUSIONCRISP grading was precise in predicting stroke outcomes when compared to individual imaging scales including arterial collateral grading, PRECISE score and CTA‐SI ASPECTS in patients with proximal arterial occlusion in the anterior circulation.
Source: Journal of Neuroimaging - May 1, 2015 Category: Radiology Authors: Rajsrinivas Parthasarathy, Sung‐II Sohn, Thomas Jeerakathil, Mahesh P. Kate, Sachin M. Mishra, Vivek K. Nambiar, Aftab Ahmad, Bijoy K. Menon, Ashfaq Shuaib Tags: Clinical Investigative Study Source Type: research

Histologic Analysis of Retrieved Clots in Acute Ischemic Stroke: Correlation with Stroke Etiology and Gradient-Echo MRI INTERVENTIONAL
CONCLUSIONS: The histologic composition of clots retrieved from cerebral arteries in patients with acute stroke differs between those with cardioembolism and large-artery atherosclerosis. In addition, a susceptibility vessel sign on gradient-echo imaging is strongly associated with a high proportion of red blood cells and a low proportion of fibrin and platelets in retrieved clots.
Source: American Journal of Neuroradiology - September 10, 2015 Category: Radiology Authors: Kim, S. K., Yoon, W., Kim, T. S., Kim, H. S., Heo, T. W., Park, M. S. Tags: INTERVENTIONAL Source Type: research

Topography of acute stroke in a sample of 439 right brain damaged patients
Publication date: Available online 17 November 2015 Source:NeuroImage: Clinical Author(s): Christoph Sperber, Hans-Otto Karnath Knowledge of the typical lesion topography and volumetry is important for clinical stroke diagnosis as well as for anatomo-behavioural lesion mapping analyses. Here we used modern lesion analysis techniques to examine the naturally occurring lesion patterns caused by ischemic and by hemorrhagic infarcts in a large, representative acute stroke patient sample. Acute MR and CT imaging of 439 consecutively admitted right-hemispheric stroke patients from a well-defined catchment area suffering from...
Source: NeuroImage: Clinical - November 17, 2015 Category: Radiology Source Type: research

Maximizing efficiency and diagnostic accuracy triage of acute stroke patients: A case-control study.
CONCLUSION: We present a validated three-question subset of the NIHSS with high specificity for those who would benefit from MT with a high degree of specificity. PMID: 26842606 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - February 6, 2016 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The Revascularization Scales Dilemma: Is It Right to Apply the Treatment in Cerebral Ischemia Scale in Posterior Circulation Stroke? INTERVENTIONAL
CONCLUSIONS: In angiographic assessment of posterior circulation stroke, inter- and intraobserver agreement for the Arterial Occlusive Lesion scale was reliable, while the modified Treatment in Cerebral Ischemia failed to achieve substantial interobserver agreement. The clinical impact of this result needs to be validated in future studies.
Source: American Journal of Neuroradiology - February 11, 2016 Category: Radiology Authors: Jung, C., Yoon, W., Ahn, S. J., Choi, B. S., Kim, J. H., Suh, S. H. Tags: INTERVENTIONAL Source Type: research

ARTS (Aspiration-Retriever Technique for Stroke): Initial clinical experience.
CONCLUSIONS: We found that ARTS is a fast, safe and effective method for endovascular recanalization of large vessel occlusions presenting within the context of acute ischemic stroke. PMID: 26908591 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - February 26, 2016 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Prehospital Imaging‐Based Triage of Head Trauma with a Mobile Stroke Unit: First Evidence and Literature Review
CONCLUSIONPatients with neurologic disorders other than stroke, such as traumatic brain injury, may also benefit from prehospital CT studies. This case report and the results of our analysis of the literature support the potential benefit of prehospital imaging in correctly triaging patients with suspected traumatic brain injury to the appropriate target hospital.
Source: Journal of Neuroimaging - April 30, 2016 Category: Radiology Authors: L. Schwindling, A. Ragoschke‐Schumm, M. Kettner, S. Helwig, M. Manitz, S. Roumia, M. Lesmeister, I. Q. Grunwald, K. Fassbender Tags: Technology Update Source Type: research

Mechanical Thrombectomy for Ischemic Stroke
The meta-analysis by Elgendy et al. (1) on mechanical thrombectomy for acute ischemic stroke pools estimates from 9 randomized trials. According to the study’s selection criteria, only trials that randomized patients within 4.5 h of stroke onset were included. However, strict application of this criterion should have resulted in exclusion of the MR RESCUE (Mechanical Retrieval and Recanalization of Stroke Clots Using Embolectomy), MR CLEAN (Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands), and ESCAPE (Endovascular Treatment for Small Core and Proximal Occlusi...
Source: Journal of the American College of Cardiology: Cardiovascular Imaging - May 16, 2016 Category: Radiology Source Type: research

Utilization of Emergent Neuroimaging for Thrombolysis‐Eligible Stroke Patients
CONCLUSIONSAmong acute stroke patients, noncontrast CT was the most common initial imaging strategy in clinical practice in the 2005–2012 time period, though use of concomitant CTA grew to one‐quarter of cases, suggestive of an upward trend.
Source: Journal of Neuroimaging - June 13, 2016 Category: Radiology Authors: Nerses Sanossian, Katherine A. Fu, David S. Liebeskind, Sidney Starkman, Scott Hamilton, J. Pablo Villablanca, Adrian M. Burgos, Robin Conwit, Jeffrey L. Saver Tags: Clinical Investigative Study Source Type: research

Regional function analysis of left atrial appendage using motion estimation CT and risk of stroke in patients with atrial fibrillation
Conclusion LAA regional dysfunction is associated with stroke/TIA in AF patients. Our results offer a basis for a prospective study to determine the role of LAA regional dysfunction by iME in predicting cerebrovascular events such as stroke or TIA.
Source: European Heart Journal Cardiovascular Imaging - June 13, 2016 Category: Radiology Authors: Al-Issa, A., Inoue, Y., Cammin, J., Tang, Q., Nazarian, S., Calkins, H., Fishman, E. K., Taguchi, K., Ashikaga, H. Tags: ORIGINAL ARTICLES Source Type: research

Utilization of Emergent Neuroimaging for Thrombolysis ‐Eligible Stroke Patients
CONCLUSIONSAmong acute stroke patients, noncontrast CT was the most common initial imaging strategy in clinical practice in the 2005–2012 time period, though use of concomitant CTA grew to one‐quarter of cases, suggestive of an upward trend.
Source: Journal of Neuroimaging - June 13, 2016 Category: Radiology Authors: Nerses Sanossian, Katherine A. Fu, David S. Liebeskind, Sidney Starkman, Scott Hamilton, J. Pablo Villablanca, Adrian M. Burgos, Robin Conwit, Jeffrey L. Saver Tags: Clinical Investigative Study Source Type: research

Prehospital Imaging ‐Based Triage of Head Trauma with a Mobile Stroke Unit: First Evidence and Literature Review
CONCLUSIONPatients with neurologic disorders other than stroke, such as traumatic brain injury, may also benefit from prehospital CT studies. This case report and the results of our analysis of the literature support the potential benefit of prehospital imaging in correctly triaging patients with suspected traumatic brain injury to the appropriate target hospital.
Source: Journal of Neuroimaging - May 8, 2016 Category: Radiology Authors: L. Schwindling, A. Ragoschke ‐Schumm, M. Kettner, S. Helwig, M. Manitz, S. Roumia, M. Lesmeister, I. Q. Grunwald, K. Fassbender Tags: Technology Update Source Type: research

Susceptibility-diffusion mismatch in middle cerebral artery territory acute ischemic stroke: clinical and imaging implications.
CONCLUSION: The presence of SWI-DWI mismatch in acute MCA territory ischemic infarct is associated with smaller infarct volume. Moreover, SWI-DWI mismatch was associated with better outcome after correction for infarct size, severity of admission symptoms, and age. PMID: 27799573 [PubMed - as supplied by publisher]
Source: Acta Radiologica - October 30, 2016 Category: Radiology Authors: Payabvash S, Taleb S, Benson JC, Hoffman B, Oswood MC, McKinney AM, Rykken JB Tags: Acta Radiol Source Type: research

Safety and Tolerability of SonoVue ® in Patients with Large Artery Anterior Circulation Acute Stroke
CONCLUSIONSAccording to our study, SonoVue® can be safely administered to acute ischemic stroke patients with suspected anterior circulation LAO and/or inadequate temporal bone window.
Source: Journal of Neuroimaging - December 20, 2016 Category: Radiology Authors: Claudio Baracchini, Federica Viaro, Silvia Favaretto, Anna Palmieri, Caterina Kulyk, Francesco Causin, Filippo Farina, Enzo Ballotta Tags: Clinical Investigative Study Source Type: research