blood volume flow measurement
Simultaneous Measurement of Arterial Transit Time, Arterial Blood Volume, and Cerebral Blood Flow Using Arterial Spin Labeling in Patients with Alzheimer Disease
... enables observation of the postlabeling time course of perfusion-re- lated signals in each imaging voxel. Our protocol consisted of 42 pairs of labeled and nonlabeled image acquisitions, of which 24 pairs were acquired ...
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Influence of Partial Volume on Venous Output and Arterial Input Function
... cerebral blood volume (CBV), blood flow (CBF), and mean transit time (MTT), measurement of the arterial input function (AIF) is ...partial volume effects (PVEs), it is common to ...
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C Arm CT Measurement of Cerebral Blood Volume and Cerebral Blood Flow Using a Novel High Speed Acquisition and a Single Intravenous Contrast Injection
... Immediately after the PCT examination, the canine was brought to the angiography suite (Artis Zeego; Siemens, Erlangen, Ger- many) for C-arm CT perfusion imaging. Identical contrast me- dium was used for the C-arm CT as ...
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Optical measurement of blood flow changes in spinal cord injury
... the measurement system. The volume of sensitivity of the probe is almost certainly confined to the region of sponal cord tissue compressed by the ...
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Measurement of Hepatic Blood Flow by Indicator Dilution Techniques
... CALCULATION OF HEPATIC BOD FLOw Bkg., background counts; F.D., final 10 minute dilution; B.V., whole blood volume determined independently of the hepatic flow HBF; A, area under curve me[r] ...
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Measurement of pulmonary capillary blood flow in infants by plethysmography
... Measurements were made on 19 preterm. 14 small-for-dates, and 7 fullterm normal infants with a constant volume whole body plethysmograph in which the infant rebreathed nitrous oxide. There was a highly significant ...
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Dynamic CT Measurement of Cerebral Blood Flow: A Validation Study
... the measurement of ab- solute rCBF values with contrast-enhanced dynam- ic CT scanning is the calculation of the regional mean transit time (rMTT) through the brain (19, ...neous measurement of the tissue ...
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Sustained low efficiency dialysis should not be interrupted for performing transpulmonary thermodilution measurements
... the measurement of cardiac output, which would not be affected by ...aortic blood flow as an example would not likely be affected by the temperature or flow rate of blood returning from ...
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Normal Cerebral Blood Flow Volume in Healthy Nigerian Adults
... Blood flow measurements were done (on right and left) at segment located 2 cm proximal to the bifurcation in the common carotid artery (CCA); 1-2 cm distal to the bifurcation in the internal carotid (ICA) ...
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Measurement of Circulation of Blood Volume(CBV) and Total Blood Volume(TBV) in Heart using Doppler Color Flow Imaging in Ultrasound Videos
... introduces blood volume estimation ...measuring blood volume in the pneumatic, pulsatile ventricular assist equipment of Para ...appropriate blood flow parameters to support ...
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CT-perfusion measurements in pancreatic carcinoma with different kinetic models: Is there a chance for tumour grading based on functional parameters?
... (blood flow-BFMS) + Patlak analysis (P) (blood volume [BVP] and permeability [k-transP]), as well as a model with deconvolution-based (D) analysis (BFD, BVD and ...k-trans measurement, ...
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Melt Volume Flow Measurement in the Mineral-Wool Production Process
... to flow measurement methods based on correlation and particle image velocimetry (PIV) ...quantitative measurement of fluid velocity vectors at a very large number of points ...bubbles flow in ...
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Mathematical Modeling on Two Phase Hepatic Mean Blood Flow through in Liver Lobule with Special Reference to Hepatitis A
... . Blood flows through the walls of the portal tract into the sinusoidal space, then traverses the sinusoids, and flows into the centrilobular ...to blood flow is greater than that of a full liver, ...
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Measurement of cerebral blood volume with subtraction three dimensional functional CT
... The blood-brain barrier, if intact, prevents ex- travasation of contrast material into the ex- travascular space, and thereby makes feasible the use of current, clinically approved iodine- based contrast agents ...
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SIMULTANEOUS MEASUREMENT OF EFFECTIVE RENAL BLOOD FLOW AND CARDIAC OUTPUT IN RESTING NORMAL SUBJECTS AND PATIENTS WITH ESSENTIAL HYPERTENSION
... SIMULTANEOUS MEASUREMENT OF EFFECTIVE RENAL BLOOD FLOW AND CARDIAC OUTPUT IN RESTING NORMAL SUBJECTS AND PATIENTS WITH ESSENTIAL HYPERTENSION Alfred A... SIMULTANEOUS MEASUREMENT OF EFFE[r] ...
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Nonlinear estimation of BOLD signals with the aid of cerebral blood volume imaging
... 15. Hu ZH, Shi PC. Nonlinear analysis of BOLD signal: biophysical modeling, physiological states, and functional activa- tion. In: 2007 IEEE international conference on image processing (ICIP), San Antonio, Texas, USA. ...
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Graves' Disease Thyroid Color Flow Doppler Ultrasonography Assessment: Review Article
... diagnosis measurement in the inferior thyroid arteries, and we could verify that patients responded to the treatment, with drugs or radioiodine, pre- sented with SPV reduction, while the parenchyma vascularity, ...
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Regulation of blood flow and volume exchange across the microcirculation
... the blood pres- sure “upstream” in the capillary ...to flow, also increasing upstream intravascular pressure with consequences for fluid filtration, a topic to be dis- cussed more fully ...red blood ...
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Blood pressure control during exercise in the Atlantic cod, Gadus morhua
... Pre- and postbranchial blood pressures, cardiac output ventral aortic blood flow and heart rate were continuously recorded, and blood samples for measurement of arterial and mixed venous[r] ...
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THE HEMODYNAMIC EFFECTS OF HEXAMETHONIUM BROMIDE IN THE DOG, WITH SPECIAL REFERENCE TO “SPLANCHNIC POOLING”
... After control determinations of mean arterial blood pressure, cardiac output, splanchnic blood flow, total blood volume and circulating splanchnic blood volume were obtained, a single do[r] ...
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