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Condition: Hemorrhagic Stroke
Procedure: MRI Scan

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Total 775 results found since Jan 2013.

Antiplatelet Treatment After Transient Ischemic Attack and Ischemic Stroke in Patients With Cerebral Microbleeds in 2 Large Cohorts and an Updated Systematic Review Clinical Sciences
Background and Purpose—In patients with transient ischemic attack/ischemic stroke, microbleed burden predicts intracerebral hemorrhage (ICH), and ischemic stroke, but implications for antiplatelet treatment are uncertain. Previous cohort studies have had insufficient follow-up to assess the time course of risks, have not stratified risks by antithrombotic use, and have not reported extracranial bleeds or functional outcome of ICH versus ischemic stroke.Methods—In 2 independent prospective cohorts with transient ischemic attack/ischemic stroke (Oxford Vascular Study/mainly white; University of Hong Kong/mainly Chinese),...
Source: Stroke - May 25, 2018 Category: Neurology Authors: Kui Kai Lau, Caroline E. Lovelock, Linxin Li, Michela Simoni, Sergei Gutnikov, Wilhelm Kuker, Henry Ka Fung Mak, Peter M. Rothwell Tags: Magnetic Resonance Imaging (MRI), Intracranial Hemorrhage, Ischemic Stroke, Transient Ischemic Attack (TIA) Original Contributions Source Type: research

Subarachnoid Hemorrhage in a Multimodal Approach Heavily Weighted Toward Mechanical Thrombectomy With Solitaire Stent in Acute Stroke Original Contributions
Conclusions— SAH on post-therapeutic computerized tomography scans were not uncommon after primary mechanical thrombectomy with a Solitaire stent, but they seemed to be benign. Rescue angioplasty and unidentified, small vessel ruptures due to mechanical stretch during stent retrieval might give rise to these lesions.
Source: Stroke - January 18, 2013 Category: Neurology Authors: Yoon, W., Jung, M. Y., Jung, S. H., Park, M. S., Kim, J. T., Kang, H. K. Tags: Acute Cerebral Infarction, Emergency treatment of Stroke, Computerized tomography and Magnetic Resonance Imaging, Intracerebral Hemorrhage Original Contributions Source Type: research

Impact of Pretreatment Noncontrast CT Alberta Stroke Program Early CT Score on Clinical Outcome After Intra-Arterial Stroke Therapy Clinical Sciences
Conclusions— NCCT seems useful for excluding patients with the greatest burden of ischemic damage from futile intra-arterial treatment, which is unlikely to result in patient functional independence and increases the risk of hemorrhage.
Source: Stroke - February 24, 2014 Category: Neurology Authors: Yoo, A. J., Zaidat, O. O., Chaudhry, Z. A., Berkhemer, O. A., Gonzalez, R. G., Goyal, M., Demchuk, A. M., Menon, B. K., Mualem, E., Ueda, D., Buell, H., Sit, S. P., Bose, A., on behalf of the Penumbra Pivotal and Penumbra Imaging Collaborative Study (PICS Tags: Acute Cerebral Infarction, Emergency treatment of Stroke, Computerized tomography and Magnetic Resonance Imaging, Other Stroke Treatment - Surgical Clinical Sciences Source Type: research

Hemorrhagic Stroke and Cerebral Paragonimiasis Brief Reports
Conclusions— Hemorrhagic stroke typically occurred during the acute stage and in the early stages of further Paragonimus migration. Delay of treatment increased the risk of initial and recurrent stroke.
Source: Stroke - October 27, 2014 Category: Neurology Authors: Xia, Y., Ju, Y., Chen, J., You, C. Tags: Acute Cerebral Hemorrhage, Computerized tomography and Magnetic Resonance Imaging, Primary and Secondary Stroke Prevention, Risk Factors for Stroke Brief Reports Source Type: research

Relevance of Blood-Brain Barrier Disruption After Endovascular Treatment of Ischemic Stroke: Dual-Energy Computed Tomographic Study Clinical Sciences
Conclusions— Blood–brain barrier disruption, defined as CS and BH on dual-energy CT, was associated with poor clinical outcomes in patients with stroke treated with endovascular therapies. Moreover, isolated CS was associated with delayed hemorrhagic transformation. These results support the clinical relevance of blood–brain barrier disruption in acute stroke.
Source: Stroke - February 23, 2015 Category: Neurology Authors: Renu, A., Amaro, S., Laredo, C., Roman, L. S., Llull, L., Lopez, A., Urra, X., Blasco, J., Oleaga, L., Chamorro, A. Tags: Cerebrovascular disease/stroke, Computerized tomography and Magnetic Resonance Imaging, Thrombolysis Clinical Sciences Source Type: research

Can DWI-ASPECTS Substitute for Lesion Volume in Acute Stroke? Brief Reports
Conclusions— Although each DWI-ASPECTS point corresponds to a wide range of volumes, DWI-ASPECTS <4 or ≥7 may be used as reliable surrogates of VolDWI >100 or <70 mL, respectively.
Source: Stroke - November 25, 2013 Category: Neurology Authors: de Margerie-Mellon, C., Turc, G., Tisserand, M., Naggara, O., Calvet, D., Legrand, L., Meder, J.-F., Mas, J.-L., Baron, J.-C., Oppenheim, C. Tags: Acute Cerebral Infarction, Emergency treatment of Stroke, Computerized tomography and Magnetic Resonance Imaging, Thrombolysis Brief Reports Source Type: research

Microbleed Status and 3-Month Outcome After Intravenous Thrombolysis in 717 Patients With Acute Ischemic Stroke Clinical Sciences
Conclusions— Poor outcome or sICH was not associated with CMB presence or burden on pre–intravenous thrombolysis magnetic resonance imaging after adjustment for confounding factors. An individual patient data meta-analysis is needed to determine whether a subgroup of patients with CMBs carries an independent risk of poor outcome that might outweigh the expected benefit of intravenous thrombolysis.
Source: Stroke - August 24, 2015 Category: Neurology Authors: Turc, G., Sallem, A., Moulin, S., Tisserand, M., Machet, A., Edjlali, M., Baron, J.-C., Leclerc, X., Leys, D., Mas, J.-L., Cordonnier, C., Oppenheim, C. Tags: Acute Cerebral Infarction, Emergency treatment of Stroke, Computerized tomography and Magnetic Resonance Imaging, Intracerebral Hemorrhage, Thrombolysis Clinical Sciences Source Type: research

Microbleeds, Cerebral Hemorrhage, and Functional Outcome After Stroke Thrombolysis Clinical Sciences
Background and Purpose—We assessed whether the presence, number, and distribution of cerebral microbleeds (CMBs) on pre-intravenous thrombolysis MRI scans of acute ischemic stroke patients are associated with an increased risk of intracerebral hemorrhage (ICH) or poor functional outcome.Methods—We performed an individual patient data meta-analysis, including prospective and retrospective studies of acute ischemic stroke treated with intravenous tissue-type plasminogen activator. Using multilevel mixed-effects logistic regression, we investigated associations of pre-treatment CMB presence, burden (1, 2–4, ≥5, and>10...
Source: Stroke - July 24, 2017 Category: Neurology Authors: Andreas Charidimou, Guillaume Turc, Catherine Oppenheim, Shenqiang Yan, Jan F. Scheitz, Hebun Erdur, Pascal P. Klinger–Gratz, Marwan El–Koussy, Wakoh Takahashi, Yusuke Moriya, Duncan Wilson, Chelsea S. Kidwell, Jeffrey L. Saver, Asma Sallem, S Tags: Magnetic Resonance Imaging (MRI), Prognosis, Intracranial Hemorrhage, Ischemic Stroke Original Contributions Source Type: research

Younger Stroke Patients With Large Pretreatment Diffusion-Weighted Imaging Lesions May Benefit From Endovascular Treatment Clinical Sciences
Conclusions— There was a growing risk for poor outcome and symptomatic intracerebral hemorrhage with increasing pretreatment DWI lesion volumes. Nevertheless, favorable outcome was achieved in every third patient with DWI lesions >70 mL after successful endovascular reperfusion, whereas after poor or failed reperfusion, outcome was favorable in only every 12th patient. Therefore, endovascular treatment might be considered in patients with large DWI lesions, especially in younger patients.
Source: Stroke - August 24, 2015 Category: Neurology Authors: Gilgen, M. D., Klimek, D., Liesirova, K. T., Meisterernst, J., Klinger-Gratz, P. P., Schroth, G., Mordasini, P., Hsieh, K., Slotboom, J., Heldner, M. R., Broeg-Morvay, A., Mono, M.-L., Fischer, U., Mattle, H. P., Arnold, M., Gralla, J., El-Koussy, M., Jun Tags: Acute Cerebral Infarction, Thrombolysis, Other Stroke Treatment - Medical Clinical Sciences Source Type: research

Identification of Reversible Disruption of the Human Blood-Brain Barrier Following Acute Ischemia Brief Reports
Conclusions— This study demonstrates that diffuse, mild BBB disruption in the acutely ischemic human brain is reversible with reperfusion. This study also confirms prior findings that focal severe BBB disruption confers an increased risk of hemorrhagic transformation in patients treated with intravenous tissue-type plasminogen activator.
Source: Stroke - August 21, 2016 Category: Neurology Authors: Simpkins, A. N., Dias, C., Leigh, R., on behalf of the National Institutes of Health Natural History of Stroke Investigators, Benson, Hsia, Latour, Luby, Lynch, Merino, Nadareishvili, Warach Tags: Magnetic Resonance Imaging (MRI), Blood-Brain Barrier, Intracranial Hemorrhage, Ischemic Stroke Brief Reports Source Type: research

Cerebrovascular Disease in Rheumatic Diseases: A Systematic Review and Meta-Analysis Clinical Sciences
Conclusions— Risk of any stroke is higher in most rheumatic diseases than in the general population, particularly <50 years. Rheumatoid arthritis and systemic lupus erythematosus increase ischemic and hemorrhagic stroke risk by 60% to 100% relative to the general population.
Source: Stroke - March 27, 2016 Category: Neurology Authors: Wiseman, S. J., Ralston, S. H., Wardlaw, J. M. Tags: Imaging, Cerebrovascular Disease/Stroke, Ischemic Stroke Clinical Sciences Source Type: research

Worse stroke outcome in atrial fibrillation is explained by more severe hypoperfusion, infarct growth, and hemorrhagic transformation
ConclusionAtrial fibrillation is associated with greater volumes of more severe baseline hypoperfusion, leading to higher infarct growth, more frequent severe hemorrhagic transformation and worse stroke outcomes.
Source: International Journal of Stroke - March 12, 2013 Category: Neurology Authors: Hans T. H. Tu, Bruce C. V. Campbell, Soren Christensen, Patricia M. Desmond, Deidre A. De Silva, Mark W. Parsons, Leonid Churilov, Maarten G. Lansberg, Michael Mlynash, Jean‐Marc Olivot, Matus Straka, Roland Bammer, Gregory W. Albers, Geoffrey A. Donnan Tags: Research Source Type: research

Magnetic Resonance Angiography Detection of Abnormal Carotid Artery Plaque in Patients With Cryptogenic Stroke Stroke
Conclusions Our findings suggest that a proportion of strokes classified as cryptogenic may be mechanistically related to complicated, nonhemodynamically significant cervical carotid artery plaque that can easily be detected by routine magnetic resonance imaging/magnetic resonance angiography acute stroke protocols.
Source: JAHA:Journal of the American Heart Association - June 15, 2015 Category: Cardiology Authors: Gupta, A., Gialdini, G., Lerario, M. P., Baradaran, H., Giambrone, A., Navi, B. B., Marshall, R. S., Iadecola, C., Kamel, H. Tags: Stroke Source Type: research

Stroke Risk Factors, Subtypes, and 30-Day Case Fatality in Abuja, Nigeria (P1.121)
CONCLUSIONS: Although hypertension, obesity, diabetes mellitus, and atrial fibrillation were important stroke risk factors, in many patients, these were detected only after a stroke. While the commonest stroke subtype was cerebral infarction, observed in almost two-third of patients, SAH was associated with the highest case-fatality rate at 30 days of 44.4%. Larger population-based studies are planned.Study Supported by: nilDisclosure: Dr. Bwala has nothing to disclose.
Source: Neurology - April 9, 2014 Category: Neurology Authors: Bwala, S. Tags: Cerebrovascular Disease and Interventional Neurology: Ischemic Stroke Subtype Source Type: research

Prevention of Stroke in Patients With Silent Cerebrovascular Disease: A Scientific Statement for Healthcare Professionals From the American Heart Association/American Stroke Association AHA/ASA Scientific Statement
Two decades of epidemiological research shows that silent cerebrovascular disease is common and is associated with future risk for stroke and dementia. It is the most common incidental finding on brain scans. To summarize evidence on the diagnosis and management of silent cerebrovascular disease to prevent stroke, the Stroke Council of the American Heart Association convened a writing committee to evaluate existing evidence, to discuss clinical considerations, and to offer suggestions for future research on stroke prevention in patients with 3 cardinal manifestations of silent cerebrovascular disease: silent brain infarcts...
Source: Stroke - January 22, 2017 Category: Neurology Authors: Eric E. Smith, Gustavo Saposnik, Geert Jan Biessels, Fergus N. Doubal, Myriam Fornage, Philip B. Gorelick, Steven M. Greenberg, Randall T. Higashida, Scott E. Kasner, Sudha Seshadri Tags: Statements and Guidelines AHA/ASA Scientific Statement Source Type: research