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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/29338983/dipyridamole-plus-triflusal-versus-triflusal-alone-in-infarct-reduction-after-middle-cerebral-artery-occlusion
#1
Zareen Amtul, Wasimul Haque, David F Cechetto
BACKGROUND AND PURPOSE: The objective of this work is to study the dose-dependent effect of combination therapy with dipyridamole and triflusal over that of triflusal alone on infarct size after middle cerebral artery occlusion (MCAO) ischemia. MATERIALS AND METHODS: Male Wistar rats were subjected to a permanent MCAO in the right hemisphere. Rats received triflusal alone and with dipyridamole via oral route. Three days after surgery, infarct volumes were measured...
January 12, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29337049/sphingosine-1-phosphate-receptor-1-activation-enhances-leptomeningeal-collateral-development-and-improves-outcome-after-stroke-in-mice
#2
Eri Iwasawa, Satoru Ishibashi, Motohiro Suzuki, FuYing Li, Masahiko Ichijo, Kazunori Miki, Takanori Yokota
BACKGROUND: Development of collateral circulation after acute ischemic stroke is triggered by shear stress that occurs in pre-existing arterioles. Recently, sphingosine-1-phosphate receptor 1 (S1P1) on endothelial cells was reported to sense shear stress and transduce its signaling pathways. METHODS: BALB/c mice (n = 118) were subjected to permanent middle cerebral artery occlusion (pMCAO) or sham operation. We investigated the effect of an S1P1-selective agonist SEW2871 on leptomeningeal collateral arteries and neurological outcome after pMCAO...
January 11, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29337048/pathologic-findings-of-symptomatic-carotid-artery-stenosis-several-decades-after-radiation-therapy-a-case-report
#3
Shuichi Tonomura, Keiji Shimada, Naoko Funatsu, Yoshiaki Kakehi, Hisao Shimizu, Nobuyuki Takahashi
Improved long-term survival of malignancy has drawn increased attention to late cerebrovascular toxicity after neck radiotherapy. Recently, neck radiotherapy has been found as a significant risk factor of carotid artery stenosis and ischemic stroke; however, long-term adverse effects of radiation in large arteries remain unknown. Here, we described an autopsied case with recurrent ischemic stroke associated with ipsilateral carotid artery stenosis several decades after neck radiation therapy. Pathologically, there were intima-media fibrosis, endothelial cell loss, and decreased expression of thrombomodulin in irradiated carotid artery stenosis...
January 11, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29331614/the-burden-of-stroke-mimics-present-and-future-projections
#4
Kashif Waqar Faiz, Angela Susan Labberton, Bente Thommessen, Ole Morten Rønning, Fredrik A Dahl, Mathias Barra
BACKGROUND AND PURPOSE: An increasing proportion of patients presenting with suspected stroke prove to have other conditions, often referred to as stroke mimics. The aim of this study was to present a projection of the number of hospitalized strokes, transient ischemic attacks (TIAs), and stroke mimics in Norway up to the year 2050 based on expected demographic changes, to estimate the burden of stroke mimics in the coming decades. MATERIALS AND METHODS: This prospective study included all admissions to the stroke unit of Akershus University Hospital from March 1, 2012, to February 28, 2013...
January 10, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29331613/internal-carotid-artery-web-as-the-cause-of-recurrent-cryptogenic-ischemic-stroke
#5
Jon Antigüedad-Muñoz, Patricia de la Riva, Gorka Arenaza Choperena, Amaia Muñoz Lopetegi, Naiara Andrés Marín, Gorka Fernández-Eulate, Manuel Moreno Valladares, Maite Martínez Zabaleta
Carotid artery web is considered an exceptional cause of recurrent ischemic strokes in the affected arterial territory. The underlying pathology proposed for this entity is an atypical fibromuscular dysplasia. We present the case of a 43-year-old woman with no cardiovascular risk factors who had experienced 2 cryptogenic ischemic strokes in the same arterial territory within an 11-month period. Although all diagnostic tests initially yielded normal results, detailed analysis of the computed tomography angiography images revealed a carotid web; catheter angiography subsequently confirmed the diagnosis...
January 10, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29331612/arterial-spin-labeling-cerebral-perfusion-magnetic-resonance-imaging-in-migraine-aura-an-observational-study
#6
Marc E Wolf, Shuhei Okazaki, Philipp Eisele, Christina Rossmanith, Johannes Gregori, Martin Griebe, Matthias Günther, Achim Gass, Michael G Hennerici, Kristina Szabo, Rolf Kern
BACKGROUND: Changes in cerebral perfusion during migraine with aura (MA) have been assessed mainly using dynamic susceptibility contrast (DSC) magnetic resonance perfusion imaging. A contrast agent-free method to assess these changes would be desirable. We assessed changes in cerebral perfusion during MA using arterial spin labeling (ASL) perfusion magnetic resonance imaging. METHODS: We investigated 4 patients with a standardized protocol including ASL perfusion imaging during MA (n = 2) or early headache phase (n = 2) and asymptomatic follow-up...
January 10, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29325920/twenty-four-syndrome-an-untold-presentation-of-pontine-hemorrhage
#7
Ummer Karadan, Ramesh N Supreeth, Robin George Manappallil, Chellenton Jayakrishnan
Pontine hemorrhages are relatively uncommon. Various atypical manifestations of pontine stroke like eight-and-a-half syndrome, fifteen-and-a-half syndrome, and sixteen syndrome have been described in the past. We came across a case of pontine bleed that presented with bilateral facial palsy, bilateral horizontal gaze palsy, and contralateral sensorineural hearing loss accounting to the hitherto not described "twenty-four syndrome" with Horner's syndrome and left hemiparesis.
January 8, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29325919/patients-with-cerebral-stroke-have-an-increased-risk-of-gastroesophageal-reflux-disease-a-population-based-cohort-study
#8
Chen-Shu Chang, Hsuan-Ju Chen, Chun-Hui Liao
BACKGROUND: Medical complications following stroke often result in significant morbidity. This study was designed to investigate the prevalence and risk of gastroesophageal reflux disease (GERD) between patients with stroke and those without stroke in Taiwan. METHODS AND RESULTS: This retrospective cohort study was conducted using the Taiwan National Health Insurance Research Database. The study included 18,412 patients newly diagnosed as having stroke during 2000-2006 and 18,412 patients without stroke frequency-matched by sex, age, and index year...
January 8, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29310959/increased-expression-of-t-cell-immunoglobulin-and-mucin-domain-3-on-cd14-monocytes-is-associated-with-systemic-inflammatory-reaction-and-brain-injury-in-patients-with-spontaneous-intracerebral-hemorrhage
#9
ChangJun Xu, HaiTao Ge, Tao Wang, JianBing Qin, De Liu, YuGuang Liu
OBJECTIVE: To study the expression of T cell immunoglobulin and mucin domain 3 (Tim-3) on peripheral blood immunocytes, and the relationship between Tim-3 and the systemic inflammatory response or brain injury in patients with intracerebral hemorrhage (ICH). METHODS: According to the volume of hematoma at 12 hours after onset of ICH, 60 newly diagnosed patients with ICH were divided into the small (volume of hematoma <30 mL, 30 cases) and large (volume of hematoma ≥30 mL, 30 cases) ICH groups...
January 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29310958/increased-left-ventricular-filling-pressure-and-arterial-occlusion-in-stroke-related-to-atrial-fibrillation
#10
Wi-Sun Ryu, Eun-Kee Bae, Soo-Hyun Park, Sang-Wuk Jeong, Dawid Schellingerhout, Matthias Nahrendorf, Dong-Eog Kim
BACKGROUND: We investigated whether left ventricular filling pressure is associated with arterial occlusion in patients with ischemic stroke related to atrial fibrillation (AF). METHODS: Ninety-nine patients with AF-related stroke were included. Left ventricular filling pressure was assessed by E (early mitral inflow velocity)/e' (early diastolic velocity of the mitral valve annulus velocity) ratio based on tissue Doppler echocardiography. Arterial occlusion was evaluated by computed tomography or magnetic resonance angiography...
January 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29310957/revascularization-for-aplastic-or-twiglike-middle-cerebral-artery-a-case-report
#11
Yuki Matsunaga, Tsuyoshi Izumo, Yoichi Morofuji, Nobutaka Horie, Kentaro Hayashi, Takayuki Matsuo
An aplastic or twiglike middle cerebral artery (Ap/T-MCA) is a congenital anomaly related to interference of normal embryonic development of the middle cerebral artery (MCA). This condition may cause ischemic and hemorrhagic strokes as a result of hypoperfusion, vulnerable collateral circulation, and associated aneurysms. We reported a case of Ap/T-MCA with transient ischemic attack, which was successfully treated with revascularization. A 19-year-old woman with a history of transient left upper limb hemiparesis, dysesthesia, and headache visited our hospital...
January 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29310956/medication-history-versus-point-of-care-platelet-activity-testing-in-patients-with-intracerebral-hemorrhage
#12
Matthew B Maas, Andrew M Naidech, Minjee Kim, Ayush Batra, Edward M Manno, Farzaneh A Sorond, Shyam Prabhakaran, Eric M Liotta
OBJECTIVE: We evaluated whether reduced platelet activity detected by point-of-care (POC) testing is a better predictor of hematoma expansion and poor functional outcomes in patients with intracerebral hemorrhage (ICH) than a history of antiplatelet medication exposure. METHODS: Patients presenting with spontaneous ICH were enrolled in a prospective observational cohort study that collected demographic, clinical, laboratory, and radiographic data. We measured platelet activity using the PFA-100 (Siemens AG, Germany) and VerifyNow-ASA (Accumetrics, CA) systems on admission...
January 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29307510/carotid-ultrasound-for-assessment-of-nonobstructive-carotid-atherosclerosis-in-young-adults-with-cryptogenic-stroke
#13
Raphael Buon, Brigitte Guidolin, Aude Jaffre, Marie Lafuma, Marianne Barbieux, Nathalie Nasr, Vincent Larrue
BACKGROUND: The role of nonobstructive (<50% stenosis) carotid atherosclerosis (NOCA) in young adults with ischemic stroke is not well understood. In the present study, we investigated the prevalence and the ultrasonic characteristics of NOCA in a consecutive series of young adults with cryptogenic stroke (CS). METHODS: Patients aged 18-54, consecutively treated in a tertiary hospital for first-ever CS (defined as an ischemic stroke without ASCOD (A: atherosclerosis; S: small-vessel disease; C: cardiac pathology; O: other causes) grade 1 potential cause) in the carotid artery territory, were prospectively enrolled...
January 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29306595/hyperglycemia-alters-expression-of-cerebral-metabolic-genes-after-cardiac-arrest
#14
Rickard Per Fredrik Lindblom, Maria Molnar, Charlotte Israelsson, Belinda Röjsäter, Lars Wiklund, Fredrik Lennmyr
BACKGROUND: Survivors of cardiac arrest often experience neurologic deficits. To date, treatment options are limited. Associated hyperglycemia is believed to further worsen the neurologic outcome. The aim with this study was to characterize expression pathways induced by hyperglycemia in conjunction with global brain ischemia. METHODS: Pigs were randomized to high or normal glucose levels, as regulated by glucose and insulin infusions with target levels of 8.5-10 mM and 4-5...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29306594/vertebrobasilar-artery-stroke-as-the-heralding-sign-of-systemic-lupus-erythematosus
#15
Reza Mohammadian, Ali Tarighatnia, Mehran Naghibi, Evin Koleini, Nader D Nader
Cerebral ischemia because of vertebrobasilar insufficiency (VBI) rarely presents as an initial sign within the systemic lupus erythematosus (SLE) population, and there are very few case reports supporting this manifestation. This report details 3 different patients with SLE who experienced VBI as an initial manifestation. Patient 1 was a 24-year-old female who developed a bilateral pontine lesion as a consequence of basilar artery stenosis. Patient 2 was a 34-year-old male with an acute ischemic lesion on the right side of his cerebellum and pons because of significant stenosis in the distal segment of the right vertebral artery...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29306593/the-benefit-of-a-triage-system-to-expedite-acute-stroke-head-computed-tomography-interpretations
#16
Thomas F Osborne, Andrew J Grabiel, Reese H Clark
BACKGROUND AND PURPOSE: We developed and tested a triage system to accelerate the interpretation of stroke head computed tomographies (CTs), with the goal of optimizing the time available for acute stroke therapy. MATERIALS AND METHODS: In our practice, acute stroke protocol head CTs have been given the highest reading priority. We implemented a technologically enabled prioritization infrastructure to consistently present these critical cases to our radiologists so they are evaluated before other examinations...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29306592/geographic-variation-in-morbidity-and-mortality-of-cerebrovascular-diseases-in-korea-during-2011-2015-bias-due-to-spatial-autocorrelation-and-modifiable-areal-unit-problem
#17
LETTER
Erfan Ayubi, Saeid Safiri
No abstract text is available yet for this article.
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29306591/the-frequency-and-risk-factors-for-ischemic-stroke-in-myotonic-dystrophy-type-1-patients
#18
Kosuke Yoshida, Yoko Aburakawa, Yasuhiro Suzuki, Kenji Kuroda, Takashi Kimura
INTRODUCTION: Patients with myotonic dystrophy type 1 have several cardiac abnormalities, especially myocardial conduction disorders. Few studies have investigated cerebral infarction. We investigated the frequency of both symptomatic and asymptomatic ischemic strokes in patients with myotonic dystrophy type 1. METHODS: Patients who were diagnosed with myotonic dystrophy type 1 using genetic testing or clinical examinations at Asahikawa Medical Center were included...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29305274/combination-of-24-hour-and-7-day-relative-neurological-improvement-strongly-predicts-90-day-functional-outcome-of-endovascular-stroke-therapy
#19
Jie Pu, Huaiming Wang, Mingyi Tu, Wenjie Zi, Yonggang Hao, Dong Yang, Wenhua Liu, Yue Wan, Yu Geng, Min Lin, Ping Jin, Yunyun Xiong, Gelin Xu, Qin Yin, Xinfeng Liu
BACKGROUND AND PURPOSE: Early judgment of long-term prognosis is the key to making medical decisions in acute anterior circulation large-vessel occlusion stroke (LVOS) after endovascular treatment (EVT). We aimed to investigate the relationship between the combination of 24-hour and 7-day relative neurological improvement (RNI) and 90-day functional outcome. METHODS: We selected the target population from a multicenter ischemic stroke registry. The National Institutes of Health Stroke Scale (NIHSS) scores at baseline, 24 hours, and 7 days were collected...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29305272/effect-of-hyperosmolar-therapy-on-outcome-following-spontaneous-intracerebral-hemorrhage-ethnic-racial-variations-of-intracerebral-hemorrhage-erich-study
#20
Manan Shah, Lee Birnbaum, Jennifer Rasmussen, Padmini Sekar, Charles J Moomaw, Jennifer Osborne, Anastasia Vashkevich, Daniel Woo
PURPOSE: We aimed to identify the effect of hyperosmolar therapy (mannitol and hypertonic saline) on outcomes after intracerebral hemorrhage (ICH) in the Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study. METHODS: Comparison of ICH cases treated with hyperosmolar therapy versus untreated cases was performed using a propensity score based on age, initial Glasgow Coma Scale, location of ICH (lobar, deep, brainstem, and cerebellar), log-transformed initial ICH volume, presence of intraventricular hemorrhage, and surgical interventions...
January 3, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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