Bilateral hemispheric reduction of cerebral blood volume and blood flow immediately after experimental cerebral hemorrhage in cats.

abstract：BACKGROUND AND PURPOSE:Incidental magnetic resonance diffusion-weighted imaging (DWI)-positive lesions, considered to represent small acute infarcts, have been detected in patients with cerebral small vessel diseases or cognitive impairment, but the prevalence in the community population is unknown. METHODS:DWI sequen...

journal_title：Stroke

authors： Batool S,O'Donnell M,Sharma M,Islam S,Dagenais GR,Poirier P,Lear SA,Wielgosz A,Teo K,Stotts G,McCreary CR,Frayne R,DeJesus J,Rangarajan S,Yusuf S,Smith EE,PURE Study Investigators.

更新日期：2014-07-01 00:00:00

abstract：:The effect of ischemia on catecholamine and 5-hydroxytryptamine (5-HT) levels in brain cortex was examined in the gerbil stroke model. Unilateral common carotid artery occlusion produced bilateral decrease in cortical dopamine levels in gerbils both symptomatic and asymptomatic of cerbral ischemia. The 5-HT progressiv...

journal_title：Stroke

authors： Welch KM,Chabi E,Buckingham J,Bergin B,Achar VS,Meyer JS

更新日期：1977-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) have been used increasingly in recent years to evaluate acute stroke in the emergency setting. In the present study, we compared DWI and PWI findings in acute stroke patients with and without severe extracranial internal caroti...

journal_title：Stroke

authors： Neumann-Haefelin T,Wittsack HJ,Fink GR,Wenserski F,Li TQ,Seitz RJ,Siebler M,Mödder U,Freund HJ

更新日期：2000-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Functional neuroimaging studies have demonstrated right inferior frontal gyrus (IFG) activation in poststroke aphasia. It remains unclear whether this activation is essential for language performance. We tested this hypothesis in a positron emission tomography (PET) activation study during a sema...

journal_title：Stroke

authors： Winhuisen L,Thiel A,Schumacher B,Kessler J,Rudolf J,Haupt WF,Heiss WD

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Coated-platelets, a subset of procoagulant platelets observed on dual agonist stimulation with collagen and thrombin, support a robust prothrombinase activity and provide a unique measure of platelet thrombotic potential. Coated-platelet levels are increased in large artery stroke, and higher lev...

journal_title：Stroke

authors： Kirkpatrick AC,Tafur AJ,Vincent AS,Dale GL,Prodan CI

更新日期：2014-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The aim of this study was to assess the prevalence of extracranial carotid artery atherosclerosis and its relation to principal cardiovascular risk factors at different ages in a sample of the general population. METHODS:B-mode ultrasonography was used to investigate the carotid district in 457 ...

journal_title：Stroke

authors： Fabris F,Zanocchi M,Bo M,Fonte G,Poli L,Bergoglio I,Ferrario E,Pernigotti L

更新日期：1994-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Aspirin is preventive against stroke not only because of its antithrombotic properties but also by other direct effects. The aim of this study was to elucidate its direct neuroprotective effects. METHODS:Viability parameters, glutamate release and uptake, and ATP levels were measured in cultured...

journal_title：Stroke

authors： De Cristóbal J,Cárdenas A,Lizasoain I,Leza JC,Fernández-Tomé P,Lorenzo P,Moro MA

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Microvascular basal lamina damage occurs after cerebral ischemia and is important for the development of hemorrhage. The aim of this study was to determine whether hypothermia could maintain microvascular integrity in ischemic stroke. METHODS:Using the suture model, we subjected 12 rats to 3 hou...

journal_title：Stroke

authors： Hamann GF,Burggraf D,Martens HK,Liebetrau M,Jäger G,Wunderlich N,DeGeorgia M,Krieger DW

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Cerebral amyloid angiopathy (CAA) occasionally coexists with cerebral vasculitis. An immune system may influence deposition or degradation of the amyloid in cerebral blood vessels. The purpose of this study was to elucidate immune reactions associated with CAA. METHODS:In 11 elderly patients wit...

journal_title：Stroke

authors： Yamada M,Itoh Y,Shintaku M,Kawamura J,Jensson O,Thorsteinsson L,Suematsu N,Matsushita M,Otomo E

更新日期：1996-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:A close correlation between B-mode sonography and the histopathology and surface structure of plaque is rarely seen in vivo with high-grade stenoses of the extracranial carotid artery. The goal of this study was to determine whether normalized gray scale analysis and surface analysis of the plaqu...

journal_title：Stroke

authors： Denzel C,Balzer K,Müller KM,Fellner F,Fellner C,Lang W

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Endothelins (ETs) are potent vasoconstrictors and may play a role in the pathophysiology of several diseases. Limited and controversial data exist on their role in human ischemic stroke. We planned a prospective, observational, and longitudinal clinical study to test whether ET-1 levels increase ...

journal_title：Stroke

authors： Haapaniemi E,Tatlisumak T,Hamel K,Soinne L,Lanni C,Opgenorth TJ,Kaste M

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Ischemic stroke patients often have intracranial atherosclerosis (ICAS), despite heterogeneity in the cause of stroke. We tested the hypothesis that ICAS burden can independently reflect the risk of long-term vascular outcome. METHODS:This was a retrospective cohort study analyzing data from a p...

journal_title：Stroke

authors： Kim BS,Chung PW,Park KY,Won HH,Bang OY,Chung CS,Lee KH,Kim GM

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:We obtained magnetization transfer imaging (MTI) scans from individuals with cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) (1) to investigate the presence, extent, and nature of pathology in white and gray matter outside proton density (PD)-v...

journal_title：Stroke

authors： Iannucci G,Dichgans M,Rovaris M,Brüning R,Gasser T,Giacomotti L,Yousry TA,Filippi M

更新日期：2001-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Previous studies have demonstrated that echocardiographic left ventricular mass (LVM) is an independent risk factor for stroke in whites. Despite the greater burden of stroke, the echocardiographic predictors of stroke in African Americans remain poorly understood. METHODS:This investigation is ...

journal_title：Stroke

authors： Fox ER,Taylor HA Jr,Benjamin EJ,Ding J,Liebson PR,Arnett D,Quin EM,Skelton TN

更新日期：2005-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Although the modified Rankin Scale (mRS) is the most commonly used primary end point in acute stroke trials, its power is limited when analyzed in dichotomized fashion and its indication of effect size challenging to interpret when analyzed ordinally. Weighting the 7 Rankin levels by utilities ma...

journal_title：Stroke

authors： Chaisinanunkul N,Adeoye O,Lewis RJ,Grotta JC,Broderick J,Jovin TG,Nogueira RG,Elm JJ,Graves T,Berry S,Lees KR,Barreto AD,Saver JL,DAWN Trial and MOST Trial Steering Committees.,Additional contributors from DAWN Trial Steering

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:A simple method of testing cerebral autoregulation by observing transcranial Doppler changes in middle cerebral artery flow velocity (FV) during a brief ipsilateral carotid artery compression (the transient hyperemic response test) was studied in 11 normal healthy volunteers. The aim of this stud...

journal_title：Stroke

authors： Smielewski P,Czosnyka M,Kirkpatrick P,McEroy H,Rutkowska H,Pickard JD

更新日期：1996-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Mild hypothermia has been shown to ameliorate neuronal damage due to cerebral ischemia. In our study, the influence of mild-to-moderate hypothermia was examined in a rabbit model of focal cerebral ischemia. METHODS:After 4 hours of permanent ischemia induced by occlusion of the anterior and midd...

journal_title：Stroke

authors： Lo EH,Steinberg GK

更新日期：1992-06-01 00:00:00

abstract：:It has been recognized that small intracerebral hemorrhage not uncommonly produced lacunar syndromes. In this study, we examined cases of intracerebral hemorrhage presenting as lacunar syndromes. Of 174 cases with recent intracerebral hemorrhage, 19 presented with a lacunar syndrome: 4 presented with pure motor hemipa...

journal_title：Stroke

authors： Mori E,Tabuchi M,Yamadori A

更新日期：1985-05-01 00:00:00

abstract：:Internal carotid blood flow, taken as an index of cerebral blood flow (CBF); arterial pressure; and respiratory O2 and CO2 concentrations, were measured in halothane (1%)-anesthetized, paralyzed and mechanically ventilated rabbits. CBF was determined at end-tidal CO2 of 4% (normocapnia) and 8%, as inspired O2 [O2]I) w...

journal_title：Stroke

authors： Quint SR,Scremin OU,Sonnenschein RR,Rubinstein EH

更新日期：1980-05-01 00:00:00

abstract：:Reduction in cerebral blood flow (CBF) following global ischemia has been implicated as a pathogenetic mechanism in progressive brain damage seen after restoration of effective cardiac action and cerebral perfusion pressure. There are serious limitations to many of the techniques for measuring regional cerebral blood ...

journal_title：Stroke

authors： Jackson DL,Dole WP,McGloin J,Rosenblatt JI

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Intracranial aneurysms and aneurysmal subarachnoid hemorrhage may occur more frequently in sickle-cell disease (SCD), and this could be related to the sickle genotype and moyamoya syndrome seen in SCD. METHODS:Records from a total of 1002 patients with SCD attending 2 specialized adult hematolog...

journal_title：Stroke

authors： Birkeland P,Gardner K,Kesse-Adu R,Davies J,Lauritsen J,Rom Poulsen F,Tolias CM,Thein SL

更新日期：2016-07-01 00:00:00

abstract：:The goal of this study was to test the hypothesis that atherosclerosis alters responses of cerebral arteries and the ocular circulation to the activation in vivo of leukocytes and platelets. We measured blood flow to the brain and eye using microspheres and pressure in the cerebral microvessels of normal and atheroscl...

journal_title：Stroke

authors： Faraci FM,Lopez AG,Breese K,Armstrong ML,Heistad DD

更新日期：1991-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Determinants of long-term outcome are not well defined in minor stroke patients. This study aims to evaluate which factors are independent long-term predictors of death and major stroke recurrence in a cohort of minor ischemic strokes. METHODS:A cohort of 322 patients with first-ever minor ische...

journal_title：Stroke

authors： Prencipe M,Culasso F,Rasura M,Anzini A,Beccia M,Cao M,Giubilei F,Fieschi C

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:To compare the utility of contrast-enhanced MR Angiography (CE-MRA) with digital subtraction angiography (DSA) after endovascular treatment of intracranial aneurysms with Guglielmi detachable coils. METHODS:From April 1999 to August 2002, 106 patients with 107 aneurysms treated by endovascular c...

journal_title：Stroke

authors： Gauvrit JY,Leclerc X,Caron S,Taschner CA,Lejeune JP,Pruvo JP

更新日期：2006-04-01 00:00:00

abstract：:Five patients with nonseptic cerebral embolism of cardiac origin are reported in whom early anticoagulant therapy resulted in clinical deterioration or death from frank hemorrhage into the acute infarct. In each patient an initial CT scan excluded the presence of intracerebral hemorrhage and a second CT scan, after cl...

journal_title：Stroke

authors： Shields RW Jr,Laureno R,Lachman T,Victor M

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In major cerebral arterial steno-occlusive diseases, there can be remarkably decreased hemodynamic reserve without marked neurological impairments. In such settings, it is not known whether the neural activity is well maintained or disturbed according to the severity of cerebral ischemia. The pre...

journal_title：Stroke

authors： Bundo M,Inao S,Nakamura A,Kato T,Ito K,Tadokoro M,Kabeya R,Sugimoto T,Kajita Y,Yoshida J

更新日期：2002-01-01 00:00:00

abstract：:Experimental subarachnoid hemorrhage (SAH) was induced in baboons by repeated injections of autologous blood into cisterna chiasmatis and cisterna magna, a total of 14-33 ml being injected over 3-4 days. Cerebral blood flow (CBF; 133xenon clearance) and cerebral metabolic rate of oxygen (CMRO2) were measured before, a...

journal_title：Stroke

authors： Sahlin C,Delgado T,Owman C,Svendgaard NA

更新日期：1986-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The purpose of this study was to assess the dose-response relationship between vigorous physical activity (running distance, km/d) and the participant-reported physician-diagnosed stroke. METHODS:Age-adjusted survival analysis of 29 279 men and 12 123 women followed prospectively for 7.7 years. ...

journal_title：Stroke

authors： Williams PT

更新日期：2009-05-01 00:00:00

abstract：:Leukoaraiosis is a common finding in stroke patients and has been strongly associated with risk of incident stroke and dementia. Leukoaraiosis may also be an independent predictor of stroke outcomes. There is increasing evidence from neuroimaging to support the concept that some leukoaraiosis is caused by white matter...

journal_title：Stroke

authors： Smith EE

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Multimodal CT imaging consisting of nonenhanced CT, CT angiography (CTA), and whole-brain volume perfusion CT is increasingly used for acute stroke imaging. In these patients, presence of vessel occlusion is an important factor governing treatment decisions and possible endovascular therapy. The ...

journal_title：Stroke

authors： Frölich AM,Psychogios MN,Klotz E,Schramm R,Knauth M,Schramm P

更新日期：2012-01-01 00:00:00