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Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association

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https://www.readbyqxmd.com/read/28438516/global-transcriptomic-profiling-of-cortex-and-striatum-cerebral-injury-after-ischemia-reperfusion-in-a-mouse-model
#1
Zhenying Zhao, Zhiqiang Lu, Xiuying Sun, Tianhong Zhao, Jihong Zhang, Cunxia Zhou, Xiaohui Zheng, Huijuan Zhang, Guiling Shi
OBJECTIVE: This study aims to investigate the molecular mechanism of injury development in the cortex and the striatum after cerebral ischemia/reperfusion (I/R). METHODS: Gene expression data (GSE23160) in the cortex and the striatum of an intraluminal middle cerebral artery occlusion-I/R mouse model (N = 12) and sham controls (N = 4) were downloaded from the Gene Expression Omnibus. Limma package was used to identify the differentially expressed genes (DEGs) between the I/R (2, 8, and 24 hours) and control groups...
April 21, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28438515/intravenous-thrombolysis-for-acute-ischemic-stroke-in-patients-with-thrombocytopenia
#2
Ashkan Mowla, Haris Kamal, Navdeep S Lail, Caila Vaughn, Peyman Shirani, Sandhya Mehla, Hamidreza Rajabzadeh-Oghaz, Christopher Deline, Marilou Ching, Annemarie Crumlish, Robert N Sawyer
OBJECTIVE: To determine the safety of intravenous (IV) recombinant tissue plasminogen activator (rtPA) in patients with acute ischemic stroke (AIS) who had a platelet count <100,000 /mm(3). METHODS: We reviewed the charts of all patients who received IV rtPA for AIS during a 9.6-year period at our stroke center. Those with platelets <100,000/mm(3) were identified. Head computed tomography scans performed in 24-36 hours postthrombolysis were reviewed to evaluate the rate of symptomatic intracranial hemorrhage (sICH)...
April 21, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28434774/myocardial-infarction-following-intravenous-thrombolysis-for-acute-ischemic-stroke-case-report-and-literature-review
#3
Marina Mannino, Salvatore Asciutto, Valeria Terruso, Matilde Gammino, Melchiorre Gilberto Cellura, Serena Monaco
Embolic complications of intravenous thrombolysis for acute ischemic stroke are increasingly recognized, and to date several cases of myocardial infarction soon after the administration of alteplase have been reported. We describe a case of early anterior myocardial infarction during intravenous thrombolysis for stroke and review the current literature.
April 20, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28434773/mstroke-mobile-stroke-improving-acute-stroke-care-with-smartphone-technology
#4
Benjamin Y Andrew, Colleen M Stack, Julian P Yang, Jodi A Dodds
OBJECTIVE: This study aimed to evaluate the effect of method and time of system activation on clinical metrics in cases utilizing the Stop Stroke (Pulsara, Inc.) mobile acute stroke care coordination application. METHODS: A retrospective cohort analysis of stroke codes at 12 medical centers using Stop Stroke from March 2013 to May 2016 was performed. Comparison of metrics (door-to-needle time [DTN] and door-to-CT time [DTC], and rate of DTN ≤ 60 minutes [goal DTN]) was performed between subgroups based on method (emergency medical service [EMS] versus emergency department [ED]) and time of activation...
April 20, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28433386/bilateral-fusiform-aneurysms-of-the-internal-carotid-arteries-presenting-with-subarachnoid-hemorrhage
#5
Sina Jelodar, Mohammad Shirani, Amin Tavallayi, Mehdi Ketabchi, Maysam Alimohamadi
Fusiform aneurysms of cerebral arteries are less prevalent than saccular aneurysms and are rarely associated with subarachnoid hemorrhage (SAH). In this article, we report SAH due to a rare case of bilateral fusiform aneurysm of the supraclinoid segment of the internal carotid arteries (ICAs) (C4 segment of the ICA).
April 19, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28431825/single-subcortical-infarct-pathomechanism-assessed-by-thin-section-computed-tomography-perfusion
#6
Dong Hoon Shin, Ernst Klotz, Eung Yeop Kim
INTRODUCTION: The pathomechanism of a single subcortical infarct (SSI) may be better determined by assessing the perfusion status between parent artery and ischemic lesion. We aimed to compare the classifications into branch atheromatous disease (BAD) versus non-BAD based on diffusion-weighted imaging (DWI) or computed tomography perfusion (CTP), and to test whether a CTP-based classification improves the predicting power for progression in SSI (PSSI) compared to that by DWI. METHODS: We enrolled 109 consecutive patients with SSI examined by whole-supratentorial brain CTP and follow-up DWI...
April 18, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416407/relationship-between-hemorrhagic-complications-and-target-vessels-in-acute-thrombectomy
#7
Manabu Shirakawa, Shinichi Yoshimura, Kazutaka Uchida, Seigo Shindo, Kiyofumi Yamada, Junko Kuroda, Toshinori Takagi, Yoshihiro Takada, Reiichi Ishikura
PURPOSE: Intracranial hemorrhage after thrombectomy using a catheter to treat acute major cerebral artery occlusion is known to exacerbate patient outcomes. This study was performed to determine the relationship between middle cerebral artery (MCA) tortuosity and postoperative hemorrhage. METHODS: We examined 111 consecutive patients who underwent acute thrombectomy for major intracranial artery occlusion in the anterior circulation at our hospital between September 2013 and June 2016...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416406/acute-stroke-despite-dabigatran-anticoagulation-treated-with-idarucizumab-and-intravenous-tissue-plasminogen-activator
#8
David Bissig, Rashmi Manjunath, Brittany R Traylor, David P Richman, Kwan L Ng
Dabigatran is a direct thrombin inhibitor used to reduce the risk of stroke in patients with nonvalvular atrial fibrillation. For patients who present with an acute stroke despite dabigatran therapy, clinical data on the use of intravenous tissue plasminogen activator (IV-tPA) is limited. There is an anticipated increased risk of symptomatic intracranial hemorrhage (sICH) when using IV-tPA in patients on dabigatran therapy. In 2015, the humanized monoclonal antibody fragment idarucizumab was approved for rapid (minutes) reversal of anticoagulant effects of dabigatran...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416405/development-validation-and-assessment-of-an-ischemic-stroke-or-transient-ischemic-attack-specific-prediction-tool-for-obstructive-sleep-apnea
#9
Jason J Sico, H Klar Yaggi, Susan Ofner, John Concato, Charles Austin, Jared Ferguson, Li Qin, Lauren Tobias, Stanley Taylor, Carlos A Vaz Fragoso, Vincent McLain, Linda S Williams, Dawn M Bravata
BACKGROUND: Screening instruments for obstructive sleep apnea (OSA), as used routinely to guide clinicians regarding patient referral for polysomnography (PSG), rely heavily on symptomatology. We sought to develop and validate a cerebrovascular disease-specific OSA prediction model less reliant on symptomatology, and to compare its performance with commonly used screening instruments within a population with ischemic stroke or transient ischemic attack (TIA). METHODS: Using data on demographic factors, anthropometric measurements, medical history, stroke severity, sleep questionnaires, and PSG from 2 independently derived, multisite, randomized trials that enrolled patients with stroke or TIA, we developed and validated a model to predict the presence of OSA (i...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416090/clipping-in-awake-surgery-as-end-stage-in-a-complex-internal-carotid-artery-aneurysm-after-failure-of-multimodal-endovascular-and-extracranial-intracranial-bypass-treatment
#10
Delia Cannizzaro, Simone Peschillo, Cristina Mancarella, Biagia La Pira, Emanuela Rastelli, Emiliano Passacantilli, Antonio Santoro
BACKGROUND: Intracranial carotid artery aneurysm can be treated via microsurgical or endovascular techniques. The optimal planning is the result of the careful patient selection through clinical, anatomic, and angiographic analysis. CLINICAL PRESENTATION: We present a case of ruptured internal carotid artery (ICA) aneurysm that became a complex aneurysm after failure of multi-endovascular and surgery treatment. We describe complete trapping in awake craniotomy after failure of coiling, stenting, and bypassing...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416089/recurrent-stroke-and-early-mortality-in-an-urban-medical-unit-in-cameroon
#11
Alain Lekoubou, Clovis Nkoke, Anastase Dzudie, Andre Pascal Kengne
BACKGROUND: Data on stroke mortality in recurrent strokes in the context of limited acute stroke care and secondary stroke prevention within Africa are very scant. We investigated the risk of in-hospital death in patients with recurrent stroke in the medical department of the Yaoundé Central Hospital in Cameroon. METHODS: Admission and discharge registries, and patient files for the period 1999-2012, were reviewed for evidence of admission for stroke, recurrent stroke, and in-hospital death...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28412318/nontraditional-lipid-variables-predict-recurrent-brain-ischemia-in-embolic-stroke-of-undetermined-source
#12
Patricia de la Riva, Maitane Zubikarai, Cristina Sarasqueta, Mikel Tainta, Amaia Muñoz-Lopetegui, Naiara Andrés-Marín, Félix González, Noemi Díez, Ana de Arce, Alberto Bergareche, Adolfo Lopez de Munain, Maite Martínez-Zabaleta
OBJECTIVE: The aims of this study are, first, to calculate the risk of brain ischemia recurrence and embolic source diagnosis in the follow-up of patients with ESUS (embolic stroke of undetermined source) and, second, to identify the predictors of these events including cardiologic, laboratory, and clinical factors. METHODS: A retrospective observational cohort study of stroke patients admitted to the stroke unit in a single tertiary hospital from 2012 to 2014 was performed...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28412316/differentiating-stroke-and-seizure-in-acute-setting-perfusion-computed-tomography
#13
Katarzyna Kubiak-Balcerewicz, Urszula Fiszer, Ewa Nagańska, Cezary Siemianowski, Aleksander Sobieszek, Agnieszka Witak-Grzybowska, Aldona Kosińska-Szot
BACKGROUND: Perfusion computed tomography (PCT) is part of acute stroke protocol in many hospitals; however, its clinical utility is still being disputed. Beyond its use in core and penumbra estimation, there is also a question about PCT role in stroke mimics diagnosis. Case series or small, retrospective studies showed equivocal results. This is the first published prospective, comparative study on PCT in differentiating stroke and seizure in acute setting. METHODS: Patients with acute focal neurologic deficits and without acute ischemic lesions on routine CT underwent PCT and electroencephalography (EEG) within 12 hours after symptom onset...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28412315/reporting-compliance-of-stroke-trials-cross-sectional-analysis
#14
Konark Malhotra, Appaji Rayi, Monica Khunger, Stephanie Thompson, David S Liebeskind
BACKGROUND: The FDA mandates timely reporting of all clinical trials conducted in the United States. However, often the results are not reported in a timely manner, resulting in wastage of finite resources. We assessed the reporting of results of completed stroke trials and compared the reporting trends between U.S. and non-U.S. stroke trials. METHODS: We assessed consecutive clinical stroke trials registered as completed in ClinicalTrials.gov between January 1, 2008 and January 1, 2015...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28412319/genetic-and-non-genetic-factors-affecting-the-quality-of-anticoagulation-control-and-vascular-events-in-atrial-fibrillation
#15
Yun Kyung Park, Mi Ji Lee, Jae Ha Kim, Jin Soo Lee, Rae Woong Park, Gyeong-Moon Kim, Chin-Sang Chung, Kwang Ho Lee, June Soo Kim, Soo-Youn Lee, Oh Young Bang
BACKGROUND: Warfarin has a narrow therapeutic window. We hypothesized that genetic factors related to warfarin metabolism (CYP2C9) and activity (VKORC1) would show stronger associations than modifiable factors with the quality of anticoagulation control and risks for thromboembolism and hemorrhage. METHODS: In this retrospective cohort analysis, clinical and genetic data were collected from 380 patients with atrial fibrillation (AF) who were followed for an average observation period of 4 years...
April 12, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28412317/medical-treatment-for-spontaneous-anticoagulation-related-intracerebral-hemorrhage-in-the-netherlands
#16
Laura J de Schipper, M Irem Baharoglu, Yvo B W E M Roos, Frank de Beer
BACKGROUND: Spontaneous anticoagulation-related intracerebral hemorrhage accounts for up to a quarter of spontaneous intracerebral hemorrhage cases and is associated with higher hematoma volume and a worse outcome. Guidelines recommend rapid anticoagulant reversal but mode and timing are not specified and optimal strategy is uncertain. Variability in everyday practice is unknown. METHODS: An invitation to a web-based survey was sent to 85 Dutch stroke neurologists in different hospitals, with questions about importance, timing, and medical management of spontaneous anticoagulation-related intracerebral hemorrhage...
April 12, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28411039/the-prevalence-of-self-reported-stroke-in-the-australian-national-eye-health-survey
#17
Stuart Keel, Joshua Foreman, Jing Xie, Hugh R Taylor, Mohamed Dirani
BACKGROUND AND PURPOSE: The study aimed to determine the prevalence of and risk factors for self-reported stroke in Indigenous and non-Indigenous Australians. RESEARCH DESIGN AND METHODS: In this national eye study, 1738 Indigenous Australians (41.1% male) aged 40-92 years and 3098 non-Indigenous Australians (46.4% male) aged 50-98 years from 30 randomly selected sites, stratified by remoteness, were recruited and examined. Sociodemographic information and a history of stroke, diabetes, and ocular health were obtained using an interviewer-administered questionnaire...
April 11, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28411038/long-term-impact-of-implementation-of-a-stroke-protocol-on-door-to-needle-time-in-the-administration-of-intravenous-tissue-plasminogen-activator
#18
Machteld E Hillen, Wenzhuan He, Zaid Al-Qudah, Weizhen Wang, Andrea Hidalgo, Jessy Walia
BACKGROUND: This study aims to evaluate the effectiveness of implementing a stroke protocol (SP) in improving door-to-needle time (DTNT) and door-to-computed tomography (DTCT) time from 2010 to 2014. Published data from the Get With The Guidelines-Stroke (GWTGS) participating hospitals showed that median DTNT = 75 minutes with 26.6% of the patients achieving the recommended DTNT of 60 minutes or less. Implementation of an SP, which specifies the role of nurses, physicians, and technicians during acute stroke evaluation, can improve DTNT...
April 11, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28411037/carotid-plaque-evaluation-using-gemstone-spectral-imaging-comparison-with-magnetic-resonance-angiography
#19
Yuki Shinohara, Makoto Sakamoto, Keita Kuya, Junichi Kishimoto, Eijiro Yamashita, Shinya Fujii, Masamichi Kurosaki, Toshihide Ogawa
BACKGROUND: The present study compared the applicability of computed tomography carotid plaque imaging using effective Z maps with gemstone spectral imaging (GSI) to that of magnetic resonance plaque imaging using 3-dimensional time-of-flight magnetic resonance angiography. METHODS: Stenosis was assessed in 18 carotid arteries of 14 patients, and the effective Z values of noncalcified carotid plaques were compared with the signal intensities of magnetic resonance angiography...
April 11, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28408066/derivation-and-validation-of-a-scoring-system-for-intravenous-tissue-plasminogen-activator-use-in-asian-patients
#20
Leonard L L Yeo, Shih-Chao Chien, Jr-Rung Lin, Chia-Wei Liow, Jiann-Der Lee, Tsung-I Peng, Teoh Hock Luen, Vijay Sharma, Bernard Chan, Tsong-Hai Lee
BACKGROUND AND PURPOSE: As Chinese Asian populations have an increased risk of intracerebral hemorrhage (ICH) after intravenous tissue plasminogen activator (IV tPA), we aimed to design a rapid, clinically applicable risk scoring system to predict ICH and functional outcomes after IV tPA treatment in Asian ischemic stroke patients. METHODS: From January 2009 to December 2012, consecutive acute ischemic stroke patients treated with IV tPA recruited from the Stroke Registry in Chang Gung Healthcare System (SRICHS) in Taiwan and the National University Hospital of Singapore (NUHS) acute stroke database were used to create and validate a scoring system...
April 10, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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