[PDF] Top 20 Plan de marketing y gestión de ventas de la imprenta ROVIGRAFIC CIA LTDA, en la ciudad de Quito, 2012
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Perfusion Deficits and Mismatch in Patients with Acute Lacunar Infarcts Studied with Whole Brain CT Perfusion
... dual-source CT system (Siemens, Erlan- gen, Germany) with a 98-mm z-cover- age and 26 time points acquired at each ...injector. CT perfusion imaging parame- ters were 80 kV(peak), 250 mAs, ...syngo ... See full document
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Temporal changes in blood–brain barrier permeability and cerebral perfusion in lacunar/subcortical ischemic stroke
... diagnosed acute ischemic stroke were consecutively and prospectively recruited from February 2009 to July 2011 at one ...onset. Patients with impaired renal function, con- traindications to iodinated ... See full document
17
Optimal Brain Perfusion CT Coverage in Patients with Acute Middle Cerebral Artery Stroke
... 51 patients admitted to the University of California, San Francisco Medical Cen- ter, from January 2006 to June 2007, who met the following inclusion criteria: 1) admission to the emergency department with signs ... See full document
270
Sources of Variability in the Use of Standardized Perfusion Value for HCC Studies
... larisation. CT Perfusion Imaging is an important, non invasive, technique for qualitative assessment of tissue perfusion after contrast agent ...Standardised Perfusion Value (SPV), which has ... See full document
14
Dynamic Perfusion CT: Optimizing the Temporal Resolution and Contrast Volume for Calculation of Perfusion CT Parameters in Stroke Patients
... PCT data were analyzed by using PCT prototype software (Philips Medical Systems, Best, the Netherlands). This software relies on the central volume principle, which is the most accu- rate method for low injection rates ... See full document
114
Imaging Guided Acute Ischemic Stroke Therapy: From “Time Is Brain” to “Physiology Is Brain”
... the acute stroke ...the acute stroke ...quality. CT angiography (CTA) more re- liably produces high-quality angiographic information of both the head and neck vessels in less than 2 ... See full document
105
Cerebral perfusion pressure and risk of brain hypoxia in severe head injury: a prospective observational study
... tored using an intraparenchymal probe (ICP transducer Ven- trix, Integra Neurosciences, Plainsboro, New Jersey, USA), epidural probe (Spiegelberg GmHB & Co., Hamburg, Ger- many) or ventricular catheter, and a ... See full document
6
Original Article Role of Perfusion Computed Tomography in the Characterization of Lung Cancers
... of perfusion parameters in relation to the location of lung tumors in comparison to other previous studies could be due to relative small number of cases in our study but more importantly can also be attributed ... See full document
6
Adipose derived mesenchymal stem cells transplantation via portal vein improves microcirculation and ameliorates liver fibrosis induced by CCl4 in rats
... endothelial-like cells and anastomose with the host vas- culature [37-40]. We observed significantly increased expression of VEGF at mRNA and protein level in fibro- sis models, and the suppression of fibrosis by ADMSCs ... See full document
7
Brain perfusion imaging with voxel-based analysis in secondary progressive multiple sclerosis patients with a moderate to severe stage of disease: a boon for the workforce
... whereas acute and chronic venous obliterations may develop as a result of exudation of in- flammatory cells and intravascular fibrin deposition ...abnormal brain cortical-subcortical circuit is considered ... See full document
9
Application of acute stroke imagingSelecting patients for revascularization therapy
... right acute ischemic stroke (AIS) patients for revascularization therapy (RT) based on initial available imaging can be ...the mismatch between the potentially salvageable tissue (penumbra) and the ... See full document
7
Assessment of Pre- and Post-Operative Cerebral Perfusion in Anterior Circulation Intracranial Aneurysm Clipping Patients at Hospital Sungai Buloh Using CT Perfusion Scan and Correlations to Fisher, Navarro and WFNS Scores
... the acute phase of aneurysm rupture, resulting in disrupted cerebral circulation and ...cerebral perfusion is thus present prior to the onset of vasospasm and may influence patient ...tomography ... See full document
24
Effect of sedation with detomidine and butorphanol on pulmonary gas exchange in the horse
... and perfusion as efficiently as young human adults [19,20] and better than sheep [21] despite the fact that the horse has a high vertical lung distance ...and perfusion are highly efficient in the athletic ... See full document
9
Evaluating CT Perfusion Deficits in Global Cerebral Edema after Aneurysmal Subarachnoid Hemorrhage
... Forty-five patients with aSAH and admission CTP studies were included in the statistical ...45 patients, ...global perfusion deficits were seen in 53% (10/19) of patients with GCE and ... See full document
52
Predicting Language Improvement in Acute Stroke Patients Presenting with Aphasia: A Multivariate Logistic Model Using Location Weighted Atlas Based Analysis of Admission CT Perfusion Scans
... of brain, whether one identifies areas by BAs, gyri, or groups of voxels on scans reg- istered to spatial coordinates of an “idealized” brain image (MNI-152); even the most robust and effective methods of ... See full document
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Acute Stroke Evaluated by Time to Peak Mapping during Initial and Early Follow up Perfusion CT Studies
... countries, CT is performed in patients with acute stroke to exclude intracere- bral hemorrhage and to determine early infarct signs ...first-pass perfusion CT is a sin- gle-section ... See full document
221
Reproducibility of Quantitative CT Brain Perfusion Measurements in Patients with Symptomatic Unilateral Carotid Artery Stenosis
... excluded patients with large territorial infarcts from further ...because perfusion measures are clinically more interesting for tissues with reduced perfusion and less so for manifest ... See full document
5
Brain perfusion CT compared with15O-H2O-PET in healthy subjects
... or perfusion CT. Perfusion CT methodology has improved profoundly in recent ...row CT systems, increasing computer power, new image acquisition protocols, and commercially available ... See full document
37
Prediction of the Multisegment Clot Sign on Dynamic CT Angiography of Cardioembolic Stroke
... groups. Patients with CE were older and had lower proportions of men and current smokers and higher baseline NIHSS scores compared with those with LAA (P ⬍ ...in patients with CE than in those with LAA or ... See full document
133
Assessment of Diffusion and Perfusion Deficits in Patients with Small Subcortical Ischemia
... To determine the size of the ADC lesion, we com- pared values with the contralateral side and set a threshold at the mean ⫺ 2 SD. We are aware that the definition of a standard deviation does not necessarily imply ... See full document
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