redistribution of blood flow

Báo cáo y học: " Extension of Murray''''s law using a non-Newtonian model of blood flow" pptx

Ngày tải lên : 13/08/2014, 16:21

... function of the length lk of the vessel k and the properties of blood, Qκ is the mass flow rate of blood and Rκ is the radius of the vessel k The parameters a and b are only function of the fluid ... Behavior of Blood In PhD Thesis University of Pittsburgh, Pittsburgh, PA; 1996 Sequeira A, Janela J: An Overview of Some Mathematical Models of Blood Rheology In A Portrait of State -of- the-Art ... sort of maintenance cost of the blood volume In other words, the metabolic rate of energy required to maintain the volume of blood The cost function can be written as: The second derivative of...

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a one-dimensional model of blood flow in arteries with friction, convection and unsteady taylor diffusion based on the womersley velocity profile

Ngày tải lên : 13/11/2014, 10:12

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Báo cáo y học: "Changes of uterine blood flow after vaginal radical trachelectomy (VRT) in patients with early-stage uterine invasive cervical cancer"

Ngày tải lên : 25/10/2012, 11:48

... network of vessels No difference between the patients could be detected for the blood flow distribution Are these networks of new vessels sufficient for the maintenance of pregnancy? A decrease of blood ... contributor of blood flow to the uterus In this study, 3D CT scans also showed sufficient blood flow to the uterine body through both ovarian arteries, the remaining ascending branches of uterine ... growth of both patients Patient received emergent cesarean section at 24 weeks of gestation because of sudden premature rupture of the membrane Therefore the birth weight 263 of the child of patient...

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báo cáo hóa học:" SPECT/CT-plethysmography – non-invasive quantitation of bone and soft tissue blood flow" ppt

Ngày tải lên : 20/06/2014, 01:20

... growth, remodeling and repair of bone require delivery of nutrients and oxygen through blood flow to bone tissue [21] Interruption of normal bone and soft tissue blood flow has been shown to be responsible ... from skin blood flow, thus SBF refers to both The resolution of the method, which supposedly determines a metric of blood flow in the bone, would be the smallest difference in blood flow this ... upper limb, RLL-right lower limb, LLL-left lower limb FL-total limb blood flow, FB-bone blood flow, FS blood flow in the soft tissue compartment Data is expressed as mean ± SEM Click here for...

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Báo cáo hóa học: " Review Article Multimodal Pressure-Flow Analysis: Application of Hilbert Huang Transform in Cerebral Blood Flow Regulation" docx

Ngày tải lên : 21/06/2014, 22:20

... “Endogenous circadian rhythm in an index of cardiac vulnerability independent of changes in behavior,” Proceedings of the National Academy of Sciences of the United States of America, vol 101, no 52, pp ... Wong, and H.-H Hu, “Frequency domain analysis of cerebral blood ﬂow velocity and its correlation with arterial blood pressure,” Journal of Cerebral Blood Flow & Metabolism, vol 18, no 3, pp 311–318, ... Proceedings of the National Academy of Sciences of the United States of America, vol 95, no 9, pp 4816–4821, 1998 [22] R Maestri, G D Pinna, A Accardo, et al., “Nonlinear indices of heart rate...

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Báo cáo y học: "Daily rhythm of cerebral blood flow velocity" pdf

Ngày tải lên : 10/08/2014, 09:20

... Curve fit to Mean Cerebral Blood Flow Velocity (cm/sec) Time course of CBFV according to time of day Shown is a double plot of the group (n = 11) mean levels (+/- SEM) of CBFV (blue diamonds) fit ... influence on CBFV or an index of decreased metabolic need for blood flow The prevailing hypothesis that there is tight coupling of normal neuronal activity and blood flow was formulated over 100 ... G: Human regional cerebral blood flow during rapid eye movement sleep J Cereb Blood Flow Metab 1991, 11:502-507 Meyer JS, Ishikawa Y, Hata T, Karacan I: Cerebral blood flow in normal and abnormal...

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Báo cáo y học: " Investigation of the cerebral blood flow of an Omani man with supposed ‘spirit possession’ associated with an altered mental state : a case report" docx

Ngày tải lên : 11/08/2014, 14:21

... culture-specific idioms of distress [5] To our knowledge, no study has examined whether possessive states can be related to indices of cerebral blood flow This paper presents a case study of an Omani man ... history of a recent change in personality and impairment of sensory perception The patient complained of abnormal auditory experiences when alone He also complained that the appearance of his ... scores were in the clinically abnormal range, with a total score of less than 19 Blood tests revealed normal complete blood count, blood biochemistry, thyroid functions and lipid levels Brain perfusion...

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Báo cáo y học: "Correlation of exhaled breath temperature with bronchial blood flow in asthma" pptx

Ngày tải lên : 12/08/2014, 18:21

... Time (ms) Figure for Method the measurement of bronchial blood flow (Qaw) Method for the measurement of bronchial blood flow (Qaw) Subjects inhale 60% of their vital capacity from a reservoir containing ... measurement of Qaw produces results which include the contribution of the dead space and trachea blood flow to the total bronchial blood flow We acknowledge that the trachea may not be the main site of ... to the bronchial blood flow Qaw was expressed as µl/ml/min representing the volume of blood per volume of dead space per time Previous studies have used dimethyl ether instead of acetylene for...

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Báo cáo y học: "Effect of a lung recruitment maneuver by high-frequency oscillatory ventilation in experimental acute lung injury on organ blood flow in pigs" ppsx

Ngày tải lên : 12/08/2014, 23:24

... ventilatory modes The cerebral blood flow, myocardial blood flow, renal blood flow, and blood flow of the jejunum, however, were not reduced during stepwise increases of the mean airway pressure ... ventricular blood flow did not vary during Pmean variations Renal blood flow did not change during increases of Pmean and showed no differences between HFOV and PCV Jejunal blood flow showed ... negative influence upon blood flow to the brain, the kidneys, the jejunum and the heart The stabilization of organ blood flows may be due to the absence of severe changes of systemic hemodynamics...

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Báo cáo y học: "Effect of a lung recruitment maneuver by high-frequency oscillatory ventilation in experimental acute lung injury on organ blood flow" pdf

Ngày tải lên : 12/08/2014, 23:24

... ventilatory modes The cerebral blood flow, myocardial blood flow, renal blood flow, and blood flow of the jejunum, however, were not reduced during stepwise increases of the mean airway pressure ... ventricular blood flow did not vary during Pmean variations Renal blood flow did not change during increases of Pmean and showed no differences between HFOV and PCV Jejunal blood flow showed ... negative influence upon blood flow to the brain, the kidneys, the jejunum and the heart The stabilization of organ blood flows may be due to the absence of severe changes of systemic hemodynamics...

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Báo cáo khoa học: "Effects of dopexamine on the intestinal microvascular blood flow and leucocyte activation in a sepsis model in rats" pptx

Ngày tải lên : 13/08/2014, 02:24

... Page of (page number not for citation purposes) of the laser penetration depth of about 1–2 mm, IMBF reflects the blood flow in the whole gut wall In contrast, FCD reflects only the perfusion of ... and heart rate Page of (page number not for citation purposes) In one half of the animals of each group, LDF was performed The other half of the animals underwent examination of leucocyte adherence ... compression or traction of the gut Pilot experiments have demonstrated that low dosages of enbucrilate not influence intestinal blood flow or intestinal function The position of the probe was not...

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Báo cáo khoa học: "Vasopressin in vasodilatory shock: ensure organ blood flow, but take care of the heart" ppsx

Ngày tải lên : 13/08/2014, 03:20

... almost 50% of the causes of death in patients with advanced vasodilatory shock [5] Considering the heart as the obviously most vulnerable link of the cardiovascular chain, it must be one of our goals ... effects on the heart itself (exponential elevation of oxygen demand due to increases in heart rate or triggering of tachyarrhythmias, induction of myocardial stunning at high dosages [12]) Recent ... experiment Nonetheless, this study underlines important points of hemodynamic management in vasodilatory shock: Systemic blood flow must be ensured to guarantee adequate organ perfusion as reflected...

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Báo cáo y học: "The role of ATP and adenosine in the control of hepatic blood flow in the rabbit liver in vivo" pps

Ngày tải lên : 13/08/2014, 13:20

... changes in HA or PV blood flow could again be recorded as absolute values from the precalibrated electromagnetic flow meters Dose-response curves of changes in blood flow vs dose of drug injected ... recorded as absolute flow values from the precalibrated electromagnetic flow probes Hepatic blood flow was then restored by removal of the vascular clamp on the PV, and reapplication of the anastomotic ... allowed diversion of mesenteric blood flow to the systemic circulation as required A clamp was placed on the cross limb of the "H" to restore portal flow Pre-calibrated electromagnetic flow probes...

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ROLE OF ADENOSINE A1 RECEPTORS IN NATIVE CORONARY ATHEROSCLEROSIS, IN-STENT STENOSIS, AND CORONARY BLOOD FLOW REGULATION IN METABOLIC SYNDROME AND EXERCISE

Ngày tải lên : 24/08/2014, 13:30

... receptors contribution to coronary blood flow 67 3.4.4 Adenosine A1 receptors contribution to coronary blood flow 68 3.4.5 Comparison of coronary blood flow in control and dyslipidemic ... pharmacological antagonism of A1R holds promise for treatment of CAD Michael S Sturek, PhD, Chair vi TABLE OF CONTENTS LIST OF TABLES xiv LIST OF FIGURES xv LIST OF ABBREVIATIONS ... and regulation of coronary blood flow (CBF) We utilized the Ossabaw swine model of metabolic syndrome (MetS) to test the hypothesis that A1R activation contributes to development of CAD, in-stent...

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Rheological aspect of cell free layer formation in micro blood flow experimental and numerical study

Ngày tải lên : 09/09/2015, 10:14

... important determinant of blood flow In particular, its impact on blood circulation would be more significant in micro -blood flow than in macro -blood flowsince the ratio of CFL width to vessel ... 16 Figure I-7: Flow chart of CHAPTER II 17 Figure I-8: Flow chart of CHAPTER III 18 Figure I-9: Flow chart of CHAPTER IV 19 Figure I-10: Flow chart of CHAPTER V ... multidisciplinary study on the suspension of blood, which includes blood rheology, cell mechanics and physiology Blood, a vital fluid of humans, is a concentrated suspension of cells and cell fragments in...

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Cardiovascular magnetic resonance imaging in the assesment of myocardial blood flow, viability, and diffuse fibrosis in congenital and acquired heart disease

Ngày tải lên : 20/05/2016, 20:50

... Page | I Table of Contents Table of Contents II List of Figures V List of Tables VIII INTRODUCTION 1.1 The Importance of Myocardial ... with an incidence of approximately 188.1 per 100,000 children younger than four years of age, and a male-tofemale ratio of 1.5:1 (Kato 2010) KD is associated with the development of coronary artery ... in a myocardial region of interest Replenishment of this same region with gas-filled bubbles (i.e myocardial opacification) will provide a measure of myocardial blood flow (Wei et al., 1998;...

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The Volatility of Capital Flows in South Africa: Some Empirical Observations

Ngày tải lên : 24/10/2012, 09:11

... Persistence When considering buying inflows of capital, the central bank may wish to know the likelihood of that type of inflow being repeated over a given period of time To test for persistence, ... buying inflows to reduce the NOFP Nonetheless, in certain cases involving large one-off inflows of FDI, the SARB may have sufficient prior information to make an assessment as to whether the inflow ... that a reduction of US$1 billion in the NOFP was typically associated with a decline in spreads of nearly 15 basis points.2 This means that the cut in the NOFP from its recent peak of US$23 billion...

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A RUSH OF BLOOD TO THE HEAD

Ngày tải lên : 17/10/2013, 18:20

... it, seven years of bad luck Of course, if you ask us, most of us will say no, don’t be ridiculous, I give absolutely no credence to any of those inane superstitions Yet most of us continue to ... symptoms of schizophrenia, boost the efficacy of brain cells, and improve their performance at work, over 300 million people,1 including 60 percent of all male doctors, smoke With annual sales of 1.8 ... in Applied Neuroimaging at the University of Warwick, En gland, and is the founder of Neurosense in Oxford, and Professor Richard Silberstein, the CEO of Neuro-Insight in Australia And the results?...

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Principles of Accounting- Preparing the Statement of Cash Flows

Ngày tải lên : 26/10/2013, 17:15

... the statement of cash flow 7/17/2006 Nguyễn Tấn Bình 41 More Discussion on the Statement of Cash Flows Two items usually shown on the statement of cash flow in the indirect method: Profits or losses ... Purchases of Fixed Assets Collections from Liquidation of Fixed Assets Net Cash Flow from Investing (II) 7/17/2006 $(287) 10 (277) Nguyễn Tấn Bình Direct Method Bo Ho Company Statement of Cash Flows ... Principles of accounting Lecture 4a Direct Method Step 1: Look at the change in the balance from the beginning to the end of period These numbers are often shown at the end of the cash flow statement...

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Principles of Accounting- Statement of Cash Flows

Ngày tải lên : 26/10/2013, 17:15

... Principles of accounting Lecture Cash flow concept Conventions on cash flows: Inflows, or receipt flows Outflows, or disbursement flows Net Cash Flows = Inflows – Outflows Total net cash flows (from ... Principles of accounting Lecture Classification of cash flows A firm of any form or any size has types of activities: Operating Investing Financing The statement of cash flows reflects three cash flows ... 2005-2006 Principles of accounting Lecture Cash flow from investing • Receipt flows (inflows) include – Liquidations of fixed assets – Sales of marketable securities – Recovery of investment or lending...

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