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Source: Journal of Stroke and Cerebrovascular Diseases
Procedure: CT Scan
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Total 317 results found since Jan 2013.
Thrombectomy in ischemic stroke patients with alberta stroke program early computed tomography score 4-5 and 0-3: Factors associated with favorable outcome
Recently published results of the ANGEL-ASPECT and SELECT2 trials suggest that stroke patients presenting with low Alberta Stroke Program Early Computed Tomography Score (ASPECTS) benefit from mechanical thrombectomy. Purpose of this retrospective study was to identify factors that are associated with a favorable outcome in patients with low ASPECTS of 4-5 and 0-3 undergoing mechanical thrombectomy.
Source: Journal of Stroke and Cerebrovascular Diseases - May 6, 2023 Category: Neurology Authors: Ludger Feyen, Helge Kniep, Christian Blockhaus, Martin Weinzierl, Marcus Katoh, Patrick Haage, Stefan Rohde, Nico M ünnich Source Type: research
Early and Continuous Neurologic Improvements after Intravenous Thrombolysis Are Strong Predictors of Favorable Long-term Outcomes in Acute Ischemic Stroke
Background: Intravenously administered tissue plasminogen activator (IV tPA) remains the only approved therapeutic agent for arterial recanalization in acute ischemic stroke (AIS). Considerable proportion of AIS patients demonstrate changes in their neurologic status within the first 24 hours of intravenous thrombolysis with IV tPA. However, there are little available data on the course of clinical recovery in subacute 2- to 24-hour window and its impact. We evaluated whether neurologic improvement at 2 and 24 hours after IV tPA bolus can predict functional outcomes in AIS patients at 3 months.Methods: Data for consecutive...
Source: Journal of Stroke and Cerebrovascular Diseases - August 19, 2013 Category: Neurology Authors: Leonard LL. Yeo, Prakash Paliwal, Hock L. Teoh, Raymond C. Seet, Bernard PL. Chan, Benjamin Wakerley, Shen Liang, Rahul Rathakrishnan, Vincent F. Chong, Eric YS. Ting, Vijay K. Sharma Tags: Original Articles Source Type: research
The Essential Can Be Invisible to the Eyes: The “Fogging Effect” Phenomenon in the Subacute Stage of Ischemic Stroke
We report a patient who presented with a vanishing stroke on a follow-up brain computed tomography scan, a condition known as the “fogging effect” phenomenon.
Source: Journal of Stroke and Cerebrovascular Diseases - September 20, 2012 Category: Neurology Authors: Irapuá Ferreira Ricarte, José Luiz Pedroso, Flávio Augusto Carvalho, Agessandro Abrahão, Raul Alberto Valiente, Maramélia Miranda Alves, Daniela Laranja Gomes, Gisele Sampaio Silva Tags: Case Reports Source Type: research
Comparison of CT and DWI Findings in Ischemic Stroke Patients within 3 Hours of Onset
This study compared the detection rate of ischemic lesions within 3 hours of onset by computed tomography (CT) and diffusion-weighted magnetic resonance imaging (DWI). The study group comprised 130 patients (71 men; median age, 75 years) with an anterior territory stroke who underwent CT and DWI within 3 hours of onset. The lesions revealed on CT and DWI were assessed using the CT–Alberta Stroke Program Early CT Score (ASPECTS) and DWI-ASPECTS, and detection rates were compared for each ASPECTS region. The detection rate of ischemic lesions was higher on DWI than on CT (76.9% v 30.0%; P
Source: Journal of Stroke and Cerebrovascular Diseases - October 8, 2012 Category: Neurology Authors: Mutsumi Mitomi, Kazumi Kimura, Junya Aoki, Yasuyuki Iguchi Tags: Original Articles Source Type: research
Clinical Use of Computed Tomographic Perfusion for the Diagnosis and Prediction of Lesion Growth in Acute Ischemic Stroke
Conclusions: In real-world use, acute imaging with CTP did not predict stroke or DWI lesions with sufficient accuracy. Our findings argue against the use of CTP for screening AIS patients until real-world implementations match the accuracy reported from specialized research centers.
Source: Journal of Stroke and Cerebrovascular Diseases - December 17, 2012 Category: Neurology Authors: Branko N. Huisa, William P. Neil, Ronald Schrader, Marcel Maya, Benedict Pereira, Nhu T. Bruce, Patrick D. Lyden Tags: Original Articles Source Type: research
Relationship Between Magnetic Resonance Angiography–Diffusion-weighted Imaging Mismatch and Clinical Outcome in Endovascular Treatment for Acute Ischemic Stroke: Subgroup Analysis of the Recovery by Endovascular Salvage for Cerebral Ultra-acute Embolism–Japan Registry
Background: The presence or absence of the penumbra area is important when performing reperfusion therapy in patients with acute ischemic stroke. As a predictor of this penumbra area, magnetic resonance angiography (MRA)–diffusion-weighted imaging (DWI) mismatch is attracting attention. The usefulness of MRA–DWI mismatch (MDM) using the DWI–Alberta Stroke Program Early Computed Tomography Score (ASPECTS) in endovascular treatment (EVT) of patients with cerebral large vessel occlusion was evaluated.Methods: Of 1442 patients registered in the Recovery by Endovascular Salvage for Cerebral Ultra-acute Embolism–Japan Re...
Source: Journal of Stroke and Cerebrovascular Diseases - March 31, 2014 Category: Neurology Authors: Ichiro Deguchi, Tomohisa Dembo, Shinichi Yoshimura, Nobuyuki Sakai, Yasushi Okada, Kazuo Kitagawa, Kazumi Kimura, Toshio Hyogo, Hiroshi Yamagami, Yusuke Egashira, Norio Tanahashi Tags: Original Articles Source Type: research
Investigating the Utility of Previously Developed Prediction Scores in Acute Ischemic Stroke Patients in the Stroke Belt
Conclusions: Our study demonstrated that although highly predictive of outcome in the original study design treatment groups, prediction scores may not generalize to all patient samples, highlighting the importance of validating prediction scores in diverse samples.
Source: Journal of Stroke and Cerebrovascular Diseases - August 11, 2014 Category: Neurology Authors: Amelia K. Boehme, Pawan V. Rawal, Michael J. Lyerly, Karen C. Albright, Reza Bavarsad Shahripour, Paola Palazzo, Niren Kapoor, Mohammad Alvi, J. Thomas Houston, Mark R. Harrigan, Luis Cava, April Sisson, Anne W. Alexandrov, Andrei V. Alexandrov Tags: Original Articles Source Type: research
Crossed Cerebellar Diaschisis Detected by Arterial Spin-Labeled Perfusion Magnetic Resonance Imaging in Subacute Ischemic Stroke
Conclusions: With advantages in easy acquisition and no radiation, ASL-MRI seems to be an ideal tool for the detection and follow-up of CCD.
Source: Journal of Stroke and Cerebrovascular Diseases - September 1, 2014 Category: Neurology Authors: Shuai Chen, Min Guan, Hao-Jun Lian, Li-Jia Ma, Jun-Kui Shang, Shuang He, Ming-Ming Ma, Mi-Lan Zhang, Zi-Yuan Li, Mei-Yun Wang, Da-Peng Shi, Jie-Wen Zhang Tags: Original Articles Source Type: research
A Systemized Stroke Code Significantly Reduced Time Intervals for using Intravenous Tissue Plasminogen Activator under Magnetic Resonance Imaging Screening
A stroke code can shorten time intervals until intravenous tissue plasminogen activator (IV t-PA) treatment in acute ischemic stroke (AIS). Recently, several reports demonstrated that magnetic resonance imaging (MRI)–based thrombolysis had reduced complications and improved outcomes in AIS despite longer processing compared with computed tomography (CT)–based thrombolysis.
Source: Journal of Stroke and Cerebrovascular Diseases - December 15, 2014 Category: Neurology Authors: Sang-Wook Sohn, Hyun-Seok Park, Jae-Kwan Cha, Hyun-Wook Nah, Dae-Hyun Kim, Myong-Jin Kang, Jae-Hyung Choi, Jae-Taeck Huh Source Type: research
Frequency of New Pulmonary Neoplasm Incidentally Detected by Computed Tomography Angiography in Acute Stroke Patients—A Single-Center Study
Incidental findings of suspect lung opacities are common in computed tomography (CT)–based thorax examinations, especially in high-risk patients, such as stroke patients. Screening with CT of the thorax has detected lung cancer in approximately .31%-1.20% of high-risk populations. The aim of the present study was to report the frequency of suspect lung opacities on routine acute stroke imaging.
Source: Journal of Stroke and Cerebrovascular Diseases - March 25, 2015 Category: Neurology Authors: Line Bentsen, Anders Christensen, Inger Havsteen, Hanne Hansen, Christian Ovesen, Hanne Christensen Source Type: research
Value of Whole Brain Computed Tomography Perfusion for Predicting Outcome After TIA or Minor Ischemic Stroke
About 15% of patients with transient ischemic attack (TIA) or minor ischemic stroke have functional impairment after 3 months. We studied the role of whole brain computed tomography perfusion (WB-CTP) in the emergency diagnosis of TIA or minor stroke in predicting disability at 3 months.
Source: Journal of Stroke and Cerebrovascular Diseases - July 2, 2015 Category: Neurology Authors: Ido R. van den Wijngaard, Ale Algra, Geert J. Lycklama à Nijeholt, Jelis Boiten, Marieke J.H. Wermer, Marianne A.A. van Walderveen Source Type: research
Influence of Recanalization and Time of Cerebral Ischemia on Tissue Outcome after Endovascular Stroke Treatment on Computed Tomography Perfusion
The Alberta Stroke Program Early Computed Tomography Score (ASPECTS) has been proposed as a straightforward alternative to the less reliable visual estimation of tissue at risk. We evaluated the association between admission ASPECTS on computed tomography perfusion (CTP) parameter maps and final infarct ASPECTS in patients with acute ischemic stroke who were treated by endovascular therapy (eT) and compared the results with thrombolysis candidates treated conservatively.
Source: Journal of Stroke and Cerebrovascular Diseases - July 14, 2015 Category: Neurology Authors: Anselm Angermaier, Alexander V. Khaw, Michael Kirsch, Christof Kessler, Soenke Langner Source Type: research
Congenital Spinal Malformation and Stroke: Aneurysmal Dilatations and Bilateral Rotational Vertebral Artery Occlusion
A 30-year-old woman suffered from acute vertebrobasilar stroke. Cranial tomography (CT) scans showed multiple vertebral abnormalities suggestive of congenital spine malformation, and angiographic CT revealed aneurysmal dilatations (ADs) at segment V2 of both vertebral arteries (VAs). Dynamic neuroimaging tests including angiography and angio-CT were performed and showed occlusion of both VAs at the point of the ADs with contralateral rotation of the neck. The presence of a bony structure causing the artery compression was excluded and embolic phenomena originating at the AD was proposed as the likely source of stroke.
Source: Journal of Stroke and Cerebrovascular Diseases - December 8, 2015 Category: Neurology Authors: Patricia de la Riva, Maria Teresa Martínez-Zabaleta, Edurne Pardo, Nicolás Samprón, Elisabet Mondragón-Rezola, Maialen Arruti González, Jose Ángel Larrea, José Félix Martí-Massó Tags: Case Studies Source Type: research
Prevalences of Peripheral Arterial Disease Diagnosed by Computed Tomography Angiography in Patients with Acute Ischemic Stroke
Few studies have examined the prevalence of peripheral arterial disease (PAD) with the use of computed tomography angiography (CTA) in patients with acute ischemic stroke (AIS), although several reports have examined its prevalence using an ankle brachial index (ABI). We aimed to determine the prevalence of PAD indicated by CTA in patients with AIS and to clarify the prevalence of PAD in each clinical ischemic stroke subtype.
Source: Journal of Stroke and Cerebrovascular Diseases - February 22, 2016 Category: Neurology Authors: Hiroyuki Naito, Hiromitsu Naka, Megumi Kobayashi, Yuhei Kanaya, Kasane Naito, Takashi Kurashige, Hiroshi Tokinobu, Masayasu Matsumoto Source Type: research
The Stroke Chronometer—A New Strategy to Reduce Door-to-Needle Time
The objective of this study is to assess the effect of implementing a countdown timer in the acute stroke emergency room, on door-to-computed tomography time (DCTT) and DNT.
Source: Journal of Stroke and Cerebrovascular Diseases - June 22, 2016 Category: Neurology Authors: João Pedro de Seabra Marto, Cláudia Borbinha, Sofia Calado, Miguel Viana-Baptista Source Type: research
