Symptomatic and asymptomatic retinal embolism have different mechanisms.

abstract：BACKGROUND AND PURPOSE:This study aimed to independently derive an intracerebral hemorrhage grading scale (ICH-GS) for prediction of 3 outcome measures. METHODS:We evaluated 378 patients with primary ICH at hospital arrival and during the next 30 days. Independent predictors were identified by multivariate models of i...

journal_title：Stroke

authors： Ruiz-Sandoval JL,Chiquete E,Romero-Vargas S,Padilla-Martínez JJ,González-Cornejo S

更新日期：2007-05-01 00:00:00

abstract：:Background and Purpose- Cerebral small vessel disease (SVD) is a major cause of stroke and dementia, but underlying disease mechanisms are still largely unknown, partly because of the difficulty in assessing small vessel function in vivo. We developed a method to measure blood flow velocity pulsatility in perforating ...

journal_title：Stroke

authors： Geurts LJ,Zwanenburg JJM,Klijn CJM,Luijten PR,Biessels GJ

更新日期：2018-12-11 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:To date, few studies have examined associations between the wide range of flavonoid subclasses and risk of ischemic, hemorrhagic, and total stroke. METHODS:We conducted a prospective study among 69 622 women from the Nurses' Health Study. Total flavonoid and subclass intakes were calculated from...

journal_title：Stroke

authors： Cassidy A,Rimm EB,O'Reilly EJ,Logroscino G,Kay C,Chiuve SE,Rexrode KM

更新日期：2012-04-01 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：:To clarify the nature of ischemic striatal dopamine release during the earliest periods of neuronal injury, we used chronoamperometry to measure dopamine levels every 60 seconds during various durations of ischemia in 32 gerbils. Catecholamine-selective electrodes were implanted into the brains of anesthetized gerbils...

journal_title：Stroke

authors： Ahn SS,Blaha CD,Alkire MT,Wood E,Gray-Allan P,Marrocco RT,Moore WS

更新日期：1991-05-01 00:00:00

abstract：:During perinatal asphyxia, cerebral blood flow is markedly reduced in the gray and white matter of the telencephalon. Since previous work has implicated prostaglandins in the control of blood flow, we tested the hypothesis that a thromboxane synthesis inhibitor would improve cerebral blood flow and blunt the metabolic...

journal_title：Stroke

authors： Ment LR,Stewart WB,Petroff OA,Duncan CC

更新日期：1989-06-01 00:00:00

abstract：:Cerebral autoregulation can be duplicated in vitro using the large middle cerebral arteries from a calf. The limits of autoregulation were between 50 and 150 mm Hg. Excessively high pressures may lead to the appearance of the "sausage- or bead-string" response followed by forced dilation. These results suggest the exi...

journal_title：Stroke

authors： Vinall PE,Simeone FA

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Three-dimensional pseudocontinuous arterial spin labeling with multiple postlabeling delays has been used to assess cerebral blood flow (CBF). We used this modality to estimate antegrade and collateral flow in patients with unilateral middle cerebral artery stenosis. METHODS:Consecutive patients...

journal_title：Stroke

authors： Lyu J,Ma N,Liebeskind DS,Wang DJ,Ma L,Xu Y,Wang T,Miao Z,Lou X

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The mechanisms underlying frontal lobe dysfunction in moyamoya disease (MMD) are unknown. We aimed to determine whether chronic ischemia induces subtle microstructural brain changes in adult MMD and evaluated the association of changes with neuropsychological performance. METHODS:MRI, including ...

journal_title：Stroke

authors： Kazumata K,Tha KK,Narita H,Kusumi I,Shichinohe H,Ito M,Nakayama N,Houkin K

更新日期：2015-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The aim of this study was to assess the costs and cost-effectiveness of intravenous thrombolysis treatment with alteplase (Actilyse) of acute ischemic stroke with 24-hour in-house neurology coverage and use of magnetic resonance imaging. METHODS:A health economic model was designed to calculate ...

journal_title：Stroke

authors： Ehlers L,Andersen G,Clausen LB,Bech M,Kjølby M

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Current US guideline statements regarding primary and secondary cardiovascular risk prediction and prevention use absolute risk estimates to identify patients who are at high risk for vascular disease events and who may benefit from specific preventive interventions. These guidelines do not expli...

journal_title：Stroke

authors： Lackland DT,Elkind MS,D'Agostino R Sr,Dhamoon MS,Goff DC Jr,Higashida RT,McClure LA,Mitchell PH,Sacco RL,Sila CA,Smith SC Jr,Tanne D,Tirschwell DL,Touzé E,Wechsler LR,American Heart Association Stroke Council.,Council on

更新日期：2012-07-01 00:00:00

abstract：:Clinical and pathologic observations have suggested analogies between the developing nervous system of ferrets (Mustela putorius furo) and those of more traditional animal models employed in stroke research. Experimental work has demonstrated advantages of the ferret as a model of visual development. We performed in v...

journal_title：Stroke

authors： Atkinson CS,Press GA,Lyden P,Katz B

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:It was found that glutamate, a major neurotransmitter, is vasoactive in the cerebral circulation. However, the mechanism is unclear. This study was designed to investigate the role of nitric oxide (NO) and N-methyl-D-aspartate (NMDA) receptors in cerebral arteriolar dilation to glutamate. METHOD...

journal_title：Stroke

authors： Meng W,Tobin JR,Busija DW

更新日期：1995-05-01 00:00:00

abstract：:The ejection fraction (EF) of the left ventricle was measured by radionuclide ventriculography in 64 patients during an acute cerebrovascular accident. Sixteen patients (12 with coronary artery disease) died within two weeks of the onset of symptoms and had only one EF measurement. In the remaining 48 patients, the EF...

journal_title：Stroke

authors： Front D,Frankel A,Israel O,Aharon Y,Satinger A,Linn S

更新日期：1986-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Optimizing prehospital stroke care is important because effective treatments for acute stroke require a narrow therapeutic time window. We developed a smartphone-assisted prehospital medical information system (SPMIS) to facilitate research on prehospital stroke care. METHODS:Prehospital medical...

journal_title：Stroke

authors： Nakae T,Kataoka H,Kuwata S,Iihara K

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Intracranial internal carotid artery calcification is associated with cerebrovascular risk factors and stroke, but few quantification methods are available. We tested the reliability of visual scoring, semiautomated Agatston score, and calcium volume measurement in patients with recent stroke. M...

journal_title：Stroke

authors： Subedi D,Zishan US,Chappell F,Gregoriades ML,Sudlow C,Sellar R,Wardlaw J

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The purpose of our study was to compare lesion location between moyamoya disease-related intracerebral hemorrhage (MMD-ICH) and primary intracerebral hemorrhage (P-ICH). METHODS:Ninety-three patients each with MMD-ICH and P-ICH were compared. In patients with MMD-ICH, angiographic findings were ...

journal_title：Stroke

authors： Nah HW,Kwon SU,Kang DW,Ahn JS,Kwun BD,Kim JS

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Aphasia can result in an inability to communicate the presence, location, or intensity of pain. Although visual analogue scales (VASs) exist, it is unknown whether they are useful in assessing pain in individuals with aphasia. The objective was to determine whether those with poststroke aphasia c...

journal_title：Stroke

authors： Korner-Bitensky N,Kehayia E,Tremblay N,Mazer B,Singer F,Tarasuk J

更新日期：2006-02-01 00:00:00

abstract：:Cerebral blood flow and clinical parameters were studied in 30 stroke patients at 15th, 30th, 60th, 90th days after the cerebral insult (Xenon 133 inhalation method). The clinical improvement was not accompanied by a progressive normalization of the CBF at rest. No relationship was found between the clinical data and ...

journal_title：Stroke

authors： Demeurisse G,Verhas M,Capon A,Paternot J

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The purpose of this study was to further analyze the temporal patterns of onset of intracerebral hemorrhage (ICH) and to determine whether or not subgroups with specific clinical characteristics exhibit different patterns of onset. METHODS:The daily, weekly, and yearly variations in occurrence o...

journal_title：Stroke

authors： Passero S,Reale F,Ciacci G,Zei E

更新日期：2000-07-01 00:00:00

abstract：:Background and Purpose- Ischemic stroke impairs endoplasmic reticulum (ER) function, causes ER stress, and activates the unfolded protein response. The unfolded protein response consists of 3 branches controlled by ER stress sensor proteins, which include PERK (protein kinase RNA-like ER kinase). Activated PERK phosph...

journal_title：Stroke

authors： Wang YC,Li X,Shen Y,Lyu J,Sheng H,Paschen W,Yang W

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The relationship between the pattern of alcohol intake and the risk of stroke is unclear, in particular the increased risk observed in abstainers and the possible protective effect of light to moderate drinking. For that reason, we examined in a large prospective study the role of alcohol consump...

journal_title：Stroke

authors： Wannamethee SG,Shaper AG

更新日期：1996-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Pathogenetic classification of intracerebral hemorrhage (ICH), using systems such as SMASH-U (structural vascular lesions, medication, cerebral amyloid angiopathy [CAA], systemic disease, hypertension, or undetermined), is important in predicting functional outcomes and mortality in patients with...

journal_title：Stroke

authors： Yeh SJ,Tang SC,Tsai LK,Jeng JS

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Several studies have reported a better functional outcome in lobar intracerebral hemorrhage (ICH) compared with deep location. However, among lobar ICH, a correlation of hemorrhage site-involving the specific lobes-with functional outcome has not been established. METHODS:Conservatively treated ...

journal_title：Stroke

authors： Gerner ST,Kuramatsu JB,Moeller S,Huber A,Lücking H,Kloska SP,Madžar D,Sembill JA,Schwab S,Huttner HB

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:To define desirable target low-density lipoprotein (LDL) cholesterol levels for the prevention of stroke recurrence, a post hoc analysis was performed in the J-STARS study (Japan Statin Treatment Against Recurrent Stroke). METHODS:Subjects (n=1578) were divided into groups based on mean value of...

journal_title：Stroke

authors： Hosomi N,Kitagawa K,Nagai Y,Nakagawa Y,Aoki S,Nezu T,Kagimura T,Maruyama H,Origasa H,Minematsu K,Uchiyama S,Matsumoto M,J-STARS Collaborators.

更新日期：2018-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The integrin-linked kinase (ILK) signaling pathway contributes to regulation of cellular adhesion, migration, and differentiation, and to apoptotic cell death after a variety of cell death stimuli. We have reported that overexpression of copper/zinc superoxide dismutase (SOD1) reduces apoptotic c...

journal_title：Stroke

authors： Saito A,Hayashi T,Okuno S,Nishi T,Chan PH

更新日期：2004-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Statin use may be associated with improved outcome in intracerebral hemorrhage patients. However, the topic remains controversial. Our analysis examined the effect of prior, continued, or new statin use on intracerebral hemorrhage outcomes using the ERICH (Ethnic/Racial Variations of Intracerebra...

journal_title：Stroke

authors： Siddiqui FM,Langefeld CD,Moomaw CJ,Comeau ME,Sekar P,Rosand J,Kidwell CS,Martini S,Osborne JL,Stutzman S,Hall C,Woo D

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:CADASIL is a newly recognized cause of subcortical ischemic strokes that progressively leads to dementia associated with pseudobulbar palsy and severe motor disability. This deleterious progression and the severity of clinical presentation are widely variable among affected subjects. The exact ro...

journal_title：Stroke

authors： Chabriat H,Pappata S,Poupon C,Clark CA,Vahedi K,Poupon F,Mangin JF,Pachot-Clouard M,Jobert A,Le Bihan D,Bousser MG

更新日期：1999-12-01 00:00:00

abstract：BACKGROUND:Nitric oxide (NO) is a potent vasodilator that was initially described as the mediator of endothelium-dependent relaxation (endothelium-derived relaxing factor, EDRF). It is now known that NO is produced by a variety of other cell types. SUMMARY OF REVIEW:Endothelium produces NO (EDRF) under basal condition...

journal_title：Stroke

authors： Faraci FM,Brian JE Jr

更新日期：1994-03-01 00:00:00