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Total 2908 results found since Jan 2013.

Angiography-based hemodynamic features predict recurrent ischemic events after angioplasty and stenting of intracranial vertebrobasilar atherosclerotic stenosis
ConclusionsIn patients with intracranial vertebrobasilar atherosclerosis treated with PTAS, preprocedural prolonged TTP of the target vessel and shortened trans-stenotic TTP difference were associated with stroke relapse. Q-DSA-defined hemodynamic parameters provided incremental predictive value over conventional parameters for stroke recurrence.Clinical relevance statementQuantitative DSA analysis enables intuitive observation and semi-quantitative evaluation of peri-therapeutic cerebral blood flow. More importantly, quantitative DSA –defined hemodynamic parameters have the potential for risk stratification of patients ...
Source: European Radiology - September 19, 2023 Category: Radiology Source Type: research

The role of fetal-type posterior cerebral artery in mediating occipital and thalamic perfusion: An arterial spin labeling MRI study
This study investigates the relationship between the presence of fPCA and arterial spin labeling (ASL) hyperperfusion patterns in the medial occipital cortex and thalami.
Source: Journal of Medical Imaging and Radiation Sciences - September 15, 2023 Category: Radiology Authors: Emilian Kalchev Tags: Clinical Perspectives Source Type: research

Clot-based time attenuation curve as a novel imaging predictor of mechanical thrombectomy functional outcome in acute ischemia stroke
ConclusionsThrombus TAC on CTP were found to be a promising new imaging biomarker to predict the outcomes of MT in AIS.Clinical relevance statementThis study revealed that clot-based time attenuation curve based on admission perfusion CT could reflect the permeability and composition of thrombus and, also, provide valuable information to predict the clinical outcomes of mechanical thrombectomy in patients with acute ischemia stroke.Key Points• Two time-attenuation curves distributions achieved strong correlations (|r|= 0.627, p < 0.001) with histopathological results.• The unimodal time-attenuation curve was ...
Source: European Radiology - September 14, 2023 Category: Radiology Source Type: research

Intra-Arterial Thrombolysis is Associated with Delayed Reperfusion of Remaining Vessel Occlusions following Incomplete Thrombectomy INTERVENTIONAL
CONCLUSIONS: Rescue intra-arterial thrombolytics is associated with delayed reperfusion of remaining vessel occlusions following incomplete mechanical thrombectomy. The value of intra-arterial thrombolytics as a potential therapy for incomplete reperfusions after mechanical thrombectomy should be assessed in the setting of randomized controlled trials.
Source: American Journal of Neuroradiology - September 11, 2023 Category: Radiology Authors: Mujanovic, A., Kurmann, C. C., Serrallach, B. L., Dobrocky, T., Meinel, T. R., Windecker, D., Grunder, L., Beyeler, M., Seiffge, D. J., Pilgram-Pastor, S., Arnold, M., Piechowiak, E. I., Gralla, J., Fischer, U., Kaesmacher, J. Tags: INTERVENTIONAL Source Type: research

Philips presents CEUS application at Bubble Conference
Philips is introducing a new super contrast-enhanced ultrasound (CEUS) applicatio...Read more on AuntMinnie.comRelated Reading: Philips issues radiation warning for fluoroscopy, angiography systems Philips begins U.S./European direct-to-angio-suite trial for stroke Philips to unveil new ultrasound unit at ASE 2023 Philips secures FDA clearance for Lumify B-mode feature Philips highlights study supporting 'direct-to-angio' pathway
Source: AuntMinnie.com Headlines - September 8, 2023 Category: Radiology Source Type: news

Treatment of In-stent Restenosis of the Internal Carotid Artery Using Drug-eluting Balloons
ConclusionThe use of DEB angioplasty is a safe and effective treatment of ICA ISR lesions, yielding significantly better results compared to other modalities. Randomized multicenter studies are warranted.
Source: Klinische Neuroradiologie - September 7, 2023 Category: Radiology Source Type: research

Safety and efficacy of the fourth-generation Acandis Acclino flex plus stent for the treatment of complex intracranial aneurysms
CONCLUSIONS: Given the complexity of the aneurysms, the use of the Acclino flex plus was feasible and associated with a favourable safety and efficacy profile. Further studies are needed to evaluate Acclino flex plus in other aneurysm subsets and to define its role in endovascular aneurysm treatment.PMID:37671458 | DOI:10.1177/15910199231199131
Source: Interventional Neuroradiology - September 6, 2023 Category: Radiology Authors: Lukas Goertz David Zopfs Lenhard Pennig Charlotte Zaeske Marco Timmer Kai R Laukamp Michael Sch önfeld Marc Schlamann Christoph Kabbasch Source Type: research

Single center experience using 3 mm trevo stent retrievers in medium vessel occlusion thrombectomy
CONCLUSIONS: Our results suggest that endovascular mechanical thrombectomy using the 3 mm Trevo NXT is a safe and effective treatment option for medium vessel occlusion. The utility of novel stent retrievers in the treatment of medium vessel occlusion should be further explored in future multicenter studies.PMID:37671457 | DOI:10.1177/15910199231199880
Source: Interventional Neuroradiology - September 6, 2023 Category: Radiology Authors: Christopher H Zhao Manisha Koneru James E Siegler Nicholas Vigilante Jane Khalife Daniel A Tonetti Hamza Shaikh Source Type: research

Machine learning based prediction of length of stay in acute ischaemic stroke of the anterior circulation in patients treated with thrombectomy
CONCLUSION: Machine learning has potential use to estimate the length of stay of patients with acute ischaemic stroke that were treated with thrombectomy.PMID:37671446 | DOI:10.1177/15910199231197615
Source: Interventional Neuroradiology - September 6, 2023 Category: Radiology Authors: Ludger Feyen Jan Pinz-Bogesits Christian Blockhaus Marcus Katoh Patrick Haage Louisa Nitsch Christina Schaub Source Type: research

Virtual reality simulation training in stroke thrombectomy centers with limited patient volume-Simulator performance and patient outcome
CONCLUSION: Performance on the virtual reality simulator improved after training. Virtual reality simulation may improve the learning curve for interventional radiologists in limited-volume thrombectomy centers. No correlation alleged, the clinical data indicates that the centers studied performed thrombectomy in accordance with guideline-recommended standards.PMID:37670718 | DOI:10.1177/15910199231198275
Source: Interventional Neuroradiology - September 6, 2023 Category: Radiology Authors: Olav S øvik Arnstein Tveiten Halvor Øygarden P ål Johan Stokkeland Hanne Brit Hetland Magnus Sundgot Schneider Knut Olav Sandve Marianne Altmann Dan Levi Hykkerud Johanna Ospel Mayank Goyal Hege Langli Ersdal Martin Wilhelm Kurz Per Kristian Hyldmo Source Type: research

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