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Condition: Stroke
Procedure: MRI Scan

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Total 6681 results found since Jan 2013.

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

Neural reorganization accompanying upper limb motor rehabilitation from stroke with virtual reality-based gesture therapy.
Conclusions: Prefrontal cortex and cerebellar activity are the driving forces of the recovery associated with Gesture Therapy. The relation between behavioral and brain changes suggests that those with stronger impairment benefit the most from this paradigm. PMID: 23841967 [PubMed - in process]
Source: Topics in Stroke Rehabilitation - May 1, 2013 Category: Neurology Authors: Orihuela-Espina F, Fernández Del Castillo I, Palafox L, Pasaye E, Sánchez-Villavicencio I, Leder R, Franco JH, Sucar LE Tags: Top Stroke Rehabil Source Type: research

Clot Length Distribution and Predictors in Anterior Circulation Stroke: Implications for Intra-Arterial Therapy Brief Reports
Conclusions— The majority of anterior circulation proximal occlusions are ≥8 mm long, helping to explain the low published rates of intravenous tissue-type plasminogen activator recanalization. Internal carotid artery-terminus occlusion is an excellent marker for clot length ≥8 mm; vessel-imaging status alone may be sufficient. Thin-section noncontrast computed tomography seems useful for patients with middle cerebral artery occlusion because of the wide variability of clot lengths.
Source: Stroke - November 25, 2013 Category: Neurology Authors: Kamalian, S., Morais, L. T., Pomerantz, S. R., Aceves, M., Sit, S. P., Bose, A., Hirsch, J. A., Lev, M. H., Yoo, A. J. Tags: Acute Cerebral Infarction, Computerized tomography and Magnetic Resonance Imaging, Thrombolysis, Other Stroke Treatment - Surgical Brief Reports 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

Comparison of Magnetic Resonance Imaging Mismatch Criteria to Select Patients for Endovascular Stroke Therapy Clinical Sciences
Conclusions— The MRA–DWI mismatch is a promising alternative to DEFUSE 2’s PWI–DWI mismatch for patient selection in endovascular stroke trials.
Source: Stroke - April 28, 2014 Category: Neurology Authors: Mishra, N. K., Albers, G. W., Christensen, S., Marks, M., Hamilton, S., Straka, M., Liggins, J. T. P., Kemp, S., Mlynash, M., Bammer, R., Lansberg, M. G., for Diffusion and Perfusion Imaging Evaluation for Understanding Stroke Evolution 2 Investigators Tags: Angiography, Computerized tomography and Magnetic Resonance Imaging Clinical Sciences Source Type: research

Vessel Wall Magnetic Resonance Imaging in Acute Ischemic Stroke: Effects of Embolism and Mechanical Thrombectomy on the Arterial Wall Clinical Sciences
Conclusions— Mechanical thrombectomy results in intracranial arterial wall thickening and enhancement, potentially mimicking the VW-MRI appearance of primary arteritis. This arterial wall abnormality is less common in patients with arterial occlusion who have been treated with medical therapy alone.
Source: Stroke - July 28, 2014 Category: Neurology Authors: Power, S., Matouk, C., Casaubon, L. K., Silver, F. L., Krings, T., Mikulis, D. J., Mandell, D. M. Tags: Embolic stroke, Computerized tomography and Magnetic Resonance Imaging, Pathology of Stroke, Primary and Secondary Stroke Prevention Clinical Sciences Source Type: research

Predictors and Biomarkers of Treatment Gains in a Clinical Stroke Trial Targeting the Lower Extremity Clinical Sciences
Conclusions— A multimodal model incorporating behavioral and fMRI measures best predicted treatment-induced changes in gait velocity in a clinical trial setting. Results also suggest potential use of fMRI measures as biomarkers of treatment gains.
Source: Stroke - July 28, 2014 Category: Neurology Authors: Burke, E., Dobkin, B. H., Noser, E. A., Enney, L. A., Cramer, S. C. Tags: Exercise/exercise testing/rehabilitation, Other Treatment, Behavioral Changes and Stroke, Computerized tomography and Magnetic Resonance Imaging, Rehabilitation, Stroke 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

Population-Based Study of Cerebral Microbleeds in Stroke-Free Older Adults Living in Rural Ecuador: The Atahualpa Project Brief Reports
Conclusions— Prevalence of CMB in stroke-free older adults living in Atahualpa is comparable with those reported from other ethnic groups. There is a strong relationship between CMB and increased age, high systolic blood pressure, silent markers of cerebral small vessel disease, and cortical atrophy.
Source: Stroke - June 22, 2015 Category: Neurology Authors: Del Brutto, V. J., Zambrano, M., Mera, R. M., Del Brutto, O. H. Tags: Computerized tomography and Magnetic Resonance Imaging, Risk Factors for Stroke Brief Reports Source Type: research

Combined Multimodal Computed Tomography Score Correlates With Futile Recanalization After Thrombectomy in Patients With Acute Stroke Clinical Sciences
Conclusions— In this population, a combined multimodal CT score predicted futile recanalization.
Source: Stroke - August 24, 2015 Category: Neurology Authors: Espinosa de Rueda, M., Parrilla, G., Manzano-Fernandez, S., Garcia-Villalba, B., Zamarro, J., Hernandez-Fernandez, F., Sanchez-Vizcaino, C., Carreon, E., Morales, A., Moreno, A. Tags: Emergency treatment of Stroke, Computerized tomography and Magnetic Resonance Imaging Clinical Sciences Source Type: research

Stroke and Neurodegeneration Induce Different Connectivity Aberrations in the Insula Brief Reports
Conclusions— Functional insular cortex connectivity is affected differently by cerebral ischemia and neurodegeneration, possibly because of differences in the cause-specific pathophysiological mechanisms of each disease. These findings have important clinical and theoretical implications.
Source: Stroke - August 24, 2015 Category: Neurology Authors: Garcia-Cordero, I., Sedeno, L., Fraiman, D., Craiem, D., de la Fuente, L. A., Salamone, P., Serrano, C., Sposato, L., Manes, F., Ibanez, A. Tags: Computerized tomography and Magnetic Resonance Imaging, Other imaging, Pathology of Stroke Brief Reports Source Type: research

Damage to the Left Precentral Gyrus Is Associated With Apraxia of Speech in Acute Stroke Clinical Sciences
Conclusions— Damage to the left precentral gyrus is associated with AOS in acute to subacute stroke patients, suggesting a role of this brain region in motor speech production.
Source: Stroke - December 28, 2015 Category: Neurology Authors: Itabashi, R., Nishio, Y., Kataoka, Y., Yazawa, Y., Furui, E., Matsuda, M., Mori, E. Tags: Computerized Tomography (CT), Magnetic Resonance Imaging (MRI), Cerebrovascular Disease/Stroke, Cognitive Impairment, Ischemic Stroke Clinical Sciences Source Type: research

Enhanced Effective Connectivity Between Primary Motor Cortex and Intraparietal Sulcus in Well-Recovered Stroke Patients Clinical Sciences
Conclusions— The present analysis further adds to the understanding of the parietofrontal network of the ipsilesional hemisphere as a prominent circuit involved in plastic changes after stroke.
Source: Stroke - January 25, 2016 Category: Neurology Authors: Schulz, R., Buchholz, A., Frey, B. M., Bonstrup, M., Cheng, B., Thomalla, G., Hummel, F. C., Gerloff, C. Tags: Functional Magnetic Resonance Imaging (fMRI), Imaging, Rehabilitation, Ischemic Stroke Clinical Sciences Source Type: research

Efficacy of Alteplase in a Mouse Model of Acute Ischemic Stroke: A Retrospective Pooled Analysis Basic Sciences
Conclusions— Our results provide the basis needed for the design of future preclinical studies on recanalization therapies using this model of thromboembolic stroke in mice. The power analysis reveals that a multicenter trial would require 123 animals per group instead of 40 for a single-center trial.
Source: Stroke - April 24, 2016 Category: Neurology Authors: Orset, C., Haelewyn, B., Allan, S. M., Ansar, S., Campos, F., Cho, T. H., Durand, A., El Amki, M., Fatar, M., Garcia-Yebenes, I., Gauberti, M., Grudzenski, S., Lizasoain, I., Lo, E., Macrez, R., Margaill, I., Maysami, S., Meairs, S., Nighoghossian, N., Or Tags: Animal Models of Human Disease, Ischemic Stroke Basic Sciences Source Type: research