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Stroke; a Journal of Cerebral Circulation

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https://www.readbyqxmd.com/read/28341754/proportional-recovery-from-lower-limb-motor-impairment-after-stroke
#1
Marie-Claire Smith, Winston D Byblow, P Alan Barber, Cathy M Stinear
BACKGROUND AND PURPOSE: In people with preserved corticospinal tract (CST) function after stroke, upper limb impairment resolves by ≈70% within 3 months. This is known as the proportional recovery rule. Patients without CST function do not fit this rule and have worse upper limb outcomes. This study investigated resolution of motor impairment in the lower limb (LL). METHODS: Patients with stroke and LL weakness were assessed 3 days and 3 months after stroke with the LL Fugl-Meyer...
March 24, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28341753/aspirin-and-risk-of-subarachnoid-hemorrhage-systematic-review-and-meta-analysis
#2
Kevin Phan, Justin M Moore, Christoph J Griessenauer, Christopher S Ogilvy, Ajith J Thomas
BACKGROUND AND PURPOSE: Recent studies have suggested that the use of low-dose aspirin may reduce the risk of aneurysmal subarachnoid hemorrhage (aSAH). We aimed to evaluate any association between aspirin use and risk of aSAH based on the literature, and whether this is influenced by duration or frequency of aspirin use. METHODS: A search of electronic databases was done from inception to September 2016. For each study, data on risk of aSAH in aspirin versus nonaspirin users were used to generate odds ratios and 95% confidence intervals, and combined using inverse variance-weighted averages of logarithmic odds ratios in a random-effects models...
March 24, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28336681/accuracy-and-reliability-of-stroke-diagnosis-in-the-pediatric-emergency-department
#3
Mark T Mackay, Adriana Yock-Corrales, Leonid Churilov, Paul Monagle, Geoffrey A Donnan, Franz E Babl
BACKGROUND AND PURPOSE: Access to acute stroke interventions in the emergency department (ED) relies on correct clinical diagnosis. Our aims were to determine the accuracy and reliability of pediatric ED physician diagnosis of childhood stroke and other conditions presenting with brain attack symptoms. METHODS: Prospective study of consecutive children aged 1 month to 18 years presenting to the ED from June 2009 to December 2010 with focal neurological deficits...
March 23, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28336680/stroke-diagnosis-in-the-pediatric-emergency-department-an-ongoing-challenge
#4
EDITORIAL
Lauren A Beslow
No abstract text is available yet for this article.
March 23, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28336679/transfer-to-high-volume-centers-associated-with-reduced-mortality-after-endovascular-treatment-of-acute-stroke
#5
Lorenzo Rinaldo, Waleed Brinjikji, Alejandro A Rabinstein
BACKGROUND AND PURPOSE: Some have argued that it may be beneficial to expand the availability of endovascular revascularization services to lower-volume hospitals to minimize the morbidity associated with transfer to larger endovascular centers. We compared the outcomes after revascularization of patients directly admitted to a low-volume center and those transferred to a high-volume center. METHODS: We searched a national database of hospital-reported outcomes for patients who underwent endovascular revascularization for acute ischemic stroke...
March 23, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28330942/primary-angiitis-of-the-central-nervous-system-magnetic-resonance-imaging-spectrum-of-parenchymal-meningeal-and-vascular-lesions-at-baseline
#6
Grégoire Boulouis, Hubert de Boysson, Mathieu Zuber, Loïc Guillevin, Eric Meary, Vincent Costalat, Christian Pagnoux, Olivier Naggara
BACKGROUND AND PURPOSE: Primary angiitis of the central nervous system remains challenging. To report an overview and pictorial review of brain magnetic resonance imaging findings in adult primary angiitis of the central nervous system and to determine the distribution of parenchymal, meningeal, and vascular lesions in a large multicentric cohort. METHODS: Adult patients from the French COVAC cohort (Cohort of Patients With Primary Vasculitis of the Central Nervous System), with biopsy or angiographically proven primary angiitis of the central nervous system and brain magnetic resonance imaging available at the time of diagnosis were included...
March 22, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28325846/soluble-flt1-gene-therapy-alleviates-brain-arteriovenous-malformation-severity
#7
Wan Zhu, Fanxia Shen, Lei Mao, Lei Zhan, Shuai Kang, Zhengda Sun, Jeffrey Nelson, Rui Zhang, Dingquan Zou, Cameron M McDougall, Michael T Lawton, Thiennu H Vu, Zhijian Wu, Abraham Scaria, Peter Colosi, John Forsayeth, Hua Su
BACKGROUND AND PURPOSE: Brain arteriovenous malformation (bAVM) is an important risk factor for intracranial hemorrhage. Current therapies are associated with high morbidities. Excessive vascular endothelial growth factor has been implicated in bAVM pathophysiology. Because soluble FLT1 binds to vascular endothelial growth factor with high affinity, we tested intravenous delivery of an adeno-associated viral vector serotype-9 expressing soluble FLT1 (AAV9-sFLT1) to alleviate the bAVM phenotype...
March 21, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292872/targeting-different-monocyte-macrophage-subsets-has-no-impact-on-outcome-in-experimental-stroke
#8
Antje Schmidt, Jan-Kolja Strecker, Stephanie Hucke, Nils-Martin Bruckmann, Martin Herold, Matthias Mack, Kai Diederich, Wolf-Rüdiger Schäbitz, Heinz Wiendl, Luisa Klotz, Jens Minnerup
BACKGROUND AND PURPOSE: Peripheral immune cell infiltration contributes to neural injury after ischemic stroke. However, in contrast to lymphocytes and neutrophils, the role of different monocyte/macrophage subsets remains to be clarified. Therefore, we evaluated the effects of selective and unselective monocyte/macrophage depletion and proinflammatory (M1-) and anti-inflammatory (M2-) macrophage transfer on the outcome after experimental cerebral ischemia. METHODS: To assess short-term effects of monocytes/macrophages in acute ischemic stroke, mice underwent transient middle cerebral artery occlusion and received either clodronate liposomes for unselective macrophage depletion, MC-21-antibody for selective depletion of proinflammatory Ly-6C(high) monocytes, or proinflammatory (M1-) or anti-inflammatory (M2-) macrophage transfer...
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292871/monocyte-chemotactic-protein-1-interleukin-6-osteopontin-pathway-of-intra-aneurysmal-tissue-healing
#9
Koji Hosaka, Kelley Rojas, Hanain Z Fazal, Matheus B Schneider, Jorma Shores, Vincent Federico, Matthew McCord, Li Lin, Brian Hoh
BACKGROUND AND PURPOSE: We have previously demonstrated that the local delivery of monocyte chemotactic protein-1 (MCP-1) via an MCP-1-releasing poly(lactic-co-glycolic acid)-coated coil promotes intra-aneurysmal tissue healing. In this study, we demonstrate that interleukin-6 (IL-6) and osteopontin are downstream mediators in the MCP-1-mediated aneurysm-healing pathway. METHODS: Murine carotid aneurysms were created in C57BL/6 mice. Drug-releasing coils (MCP-1, IL-6, and osteopontin) and control poly(lactic-co-glycolic acid) coils were created and then implanted into the aneurysms to evaluate their intra-aneurismal-healing capacity...
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292870/regional-comparison-of-multiphase-computed-tomographic-angiography-and-computed-tomographic-perfusion-for-prediction-of-tissue-fate-in-ischemic-stroke
#10
Christopher D d'Esterre, Anurag Trivedi, Pooneh Pordeli, Mari Boesen, Shivanand Patil, Seong Hwan Ahn, Mohamed Najm, Enrico Fainardi, Jai Jai Shiva Shankar, Marta Rubiera, Mohammed A Almekhlafi, Jennifer Mandzia, Alexander V Khaw, Philip Barber, Shelagh Coutts, Michael D Hill, Andrew M Demchuk, Tolulope Sajobi, Nils D Forkert, Mayank Goyal, Ting-Yim Lee, Bijoy K Menon
BACKGROUND AND PURPOSE: Within different brain regions, we determine the comparative value of multiphase computed tomographic angiography (mCTA) and computed tomographic perfusion (CTP) in predicting follow-up infarction. METHODS: Patients with M1-middle cerebral artery occlusions were prospectively included in this multicenter study. Regional analysis was performed for each patient within Alberta Stroke Program Early CT Score regions M2 to M6. Regional pial vessel filling was assessed on mCTA in 3 ways: (1) Washout of contrast within pial vessels; (2) Extent of maximal pial vessel enhancement compared with contralateral hemisphere; (3) Delay in maximal pial vessel enhancement compared with contralateral hemisphere...
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292869/emergent-carotid-stenting-after-thrombectomy-in-patients-with-tandem-lesions
#11
Daniel Behme, Carlos A Molina, Magdy H Selim, Marc Ribo
No abstract text is available yet for this article.
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292868/response-by-bekelis-et-al-to-letter-regarding-article-anesthesia-technique-and-outcomes-of-mechanical-thrombectomy-in-patients-with-acute-ischemic-stroke
#12
LETTER
Kimon Bekelis, Pascal Jabbour, Symeon Missios
No abstract text is available yet for this article.
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292867/vessel-patency-at-24-hours-and-its-relationship-with-clinical-outcomes-and-infarct-volume-in-revascat-trial-randomized-trial-of-revascularization-with-solitaire-fr-device-versus-best-medical-therapy-in-the-treatment-of-acute-stroke-due-to-anterior-circulation
#13
Mònica Millán, Sebastià Remollo, Helena Quesada, Arturo Renú, Alejandro Tomasello, Priyanka Minhas, Natalia Pérez de la Ossa, Marta Rubiera, Laura Llull, Pedro Cardona, Fahad Al-Ajlan, María Hernández, Zarina Assis, Andrew M Demchuk, Tudor Jovin, Antoni Dávalos
BACKGROUND AND PURPOSE: Higher rates of target vessel patency at 24 hours were noted in the thrombectomy group compared with control group in recent randomized trials. As a prespecified secondary end point, we aimed to assess 24-hour revascularization rates by treatment groups and occlusion site as they related to clinical outcome and 24-hour infarct volume in REVASCAT (Randomized Trial of Revascularization With Solitaire FR Device Versus Best Medical Therapy in the Treatment of Acute Stroke Due to Anterior Circulation Large Vessel Occlusion Presenting Within Eight Hours of Symptom Onset)...
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292866/letter-by-dexter-and-hindman-regarding-article-anesthesia-technique-and-outcomes-of-mechanical-thrombectomy-in-patients-with-acute-ischemic-stroke
#14
LETTER
Franklin Dexter, Bradley J Hindman
No abstract text is available yet for this article.
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28292865/more-to-atherosclerosis-than-stenosis-symptomatic-carotid-artery-with-intraplaque-hemorrhage
#15
REVIEW
Samhitha Rai, David E Thaler, Payam Salehi, Neel Madan, Lester Y Leung
No abstract text is available yet for this article.
March 14, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28289242/acupuncture-attenuated-vascular-dementia-induced-hippocampal-long-term-potentiation-impairments-via-activation-of-d1-d5-receptors
#16
Yang Ye, Hui Li, Jing-Wen Yang, Xue-Rui Wang, Guang-Xia Shi, Chao-Qun Yan, Si-Ming Ma, Wen Zhu, Qian-Qian Li, Tian-Ran Li, Ling-Yong Xiao, Cun-Zhi Liu
BACKGROUND AND PURPOSE: Emerging evidence suggests that acupuncture could improve cognitive impairment in vascular dementia by enhancing synaptic plasticity in the hippocampus. The purpose of this study is to investigate whether dopamine, a key mediator of synaptic plasticity, is involved in this cognitive improvement. METHODS: Vascular dementia model was established by bilateral common carotid arteries occlusion in male Wistar rats. Three days after the operation, animals received acupuncture treatment for 2 weeks, once daily...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28289241/symptomatic-patients-remain-at-substantial-risk-of-arterial-disease-complications-before-and-after-endarterectomy-or-stenting
#17
Cristina Hobeanu, Philippa C Lavallée, Peter M Rothwell, Leila Sissani, Gregory W Albers, Natan M Bornstein, Louis R Caplan, Geoffrey A Donnan, José M Ferro, Michael G Hennerici, Julien Labreuche, Carlos Molina, Philippe Gabriel Steg, Pierre-Jean Touboul, Shinichiro Uchiyama, Éric Vicaut, Lawrence K S Wong, Pierre Amarenco
BACKGROUND AND PURPOSE: After carotid endarterectomy (CEA) or carotid artery stenting (CAS) in patients with transient ischemic attack or minor ischemic stroke, recurrent stroke risk falls to a low rate on modern medical treatment. METHODS: We used data from 4583 patients with recent transient ischemic attack or minor stroke enrolled in the TIAregistry.org to perform a nested case-control analysis to evaluate pre- and post-CEA/CAS risk. Cases were defined as patients with a CEA/CAS during the 1-year follow-up period...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28289240/pais-2-paracetamol-acetaminophen-in-stroke-2-results-of-a-randomized-double-blind-placebo-controlled-clinical-trial
#18
Inger R de Ridder, Heleen M den Hertog, H Maarten A van Gemert, A H C M L Tobien Schreuder, Annemieke Ruitenberg, E Lisette Maasland, Ritu Saxena, Jordie H van Tuijl, Ben P W Jansen, Renske M Van den Berg-Vos, Frederique Vermeij, Peter J Koudstaal, L Jaap Kappelle, Ale Algra, H Bart van der Worp, Diederik W J Dippel
BACKGROUND AND PURPOSE: Subfebrile body temperature and fever in the first days after stroke are strongly associated with unfavorable outcome. A subgroup analysis of a previous trial suggested that early treatment with paracetamol may improve functional outcome in patients with acute stroke and a body temperature of ≥36.5°C. In the present trial, we aimed to confirm this finding. METHODS: PAIS 2 (Paracetamol [Acetaminophen] in Stroke 2) was a multicenter, randomized, double-blind, placebo-controlled clinical trial...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28289239/noncontrast-computed-tomography-markers-of-intracerebral-hemorrhage-expansion
#19
REVIEW
Gregoire Boulouis, Andrea Morotti, Andreas Charidimou, Dar Dowlatshahi, Joshua N Goldstein
No abstract text is available yet for this article.
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28289238/stroke-and-circulating-extracellular-rnas
#20
Eric Mick, Ravi Shah, Kahraman Tanriverdi, Venkatesh Murthy, Mark Gerstein, Joel Rozowsky, Robert Kitchen, Martin G Larson, Daniel Levy, Jane E Freedman
BACKGROUND AND PURPOSE: There is increasing interest in extracellular RNAs (ex-RNAs), with numerous reports of associations between selected microRNAs (miRNAs) and a variety of cardiovascular disease phenotypes. Previous studies of ex-RNAs in relation to risk for cardiovascular disease have investigated small numbers of patients and assayed only candidate miRNAs. No human studies have investigated links between novel ex-RNAs and stroke. METHODS: We conducted unbiased next-generation sequencing using plasma from 40 participants of the FHS (Framingham Heart Study; Offspring Cohort Exam 8) followed by high-throughput polymerase chain reaction of 471 ex-RNAs...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
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