muscle blood flow and cardiac output during exercise the coronary circulation and ischemic heart disease
báo cáo hóa học:" Luteal blood flow and luteal function" pdf
Ngày tải lên :
20/06/2014, 07:20
... as the difference between maximal systolic blood flow (S) and minimal diastolic flow (D) divided by the peak systolic flow (S-D/S) Blood flow impedances were examined in the corpus luteum during ... in the ovary of the rat and sheep [42,43], and increases rat ovarian blood flow via locally produced NO [44] Further studies are needed to elucidate the relationship between luteal blood flow and ... fact, the decrease in ovarian blood flow inhibits luteal function through oxidative stress in rats [29] Therefore, we further examined the possibility that the decrease in blood flow of the corpus...
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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
... leucocyte adherence The adherence also depends on shear stress in the blood flow The restoration of normal blood flow diminishes the interaction between leucocyte and endothelium [27] In a similar ... microvascular blood flow Shown is intestinal microvascular blood flow (IMBF) as a percentage of baseline; measurements taken at baseflow line (time point hours) and at 1, and hours after the start of the ... IMBF reflects the blood flow in the whole gut wall In contrast, FCD reflects only the perfusion of the capillaries of the focused layer Moreover, FCD is not diminished when blood flow in capillaries...
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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
... of the Coronary Arteries Normal coronary artery anatomy includes the left and right main coronaries (LCA and RCA) The LCA originates from the left valsava sinus and branches into the LAD and the ... precession images in the same slice and during the same cardiac Page | 13 phase The acquisition extends over ~10 heart beats, and the TI’s are varied by shifting the time for application of the inversion ... function and diffuse fibrosis, to guide further therapy, and in order to get a better understanding of the myocardial microcirculation in congenital and acquired heart disease We further asked...
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Báo cáo y học: "Endothelial Uncalibrated pulse power analysis fails to reliably measure cardiac output in patients undergoing coronary artery bypass surger" pdf
Ngày tải lên :
14/08/2014, 07:21
... catheter and a thermodilution catheter (Pulsion Medical Systems, Munich, Germany) were introduced in the right internal jugular vein, respectively in the femoral artery and the thermodilution catheter ... Austria and PASS Version 11, NCSS, LLC Kaysville, UT, USA) To demonstrate the relationship between sample size and the width of the confidence interval of the estimated variable, we calculated the ... the width of the 95% confidence interval of the limits of agreement (0.52 standard deviations of the bias) To describe the agreement between CITPTD, CIPPnon-cal and CIPPcal., Bland-Altman plots...
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RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE pptx
Ngày tải lên :
22/03/2014, 09:20
... fever and rheumatic heart disease Group A streptococcal infections Rheumatic fever and rheumatic heart disease Determinants of the disease burden of rheumatic fever and rheumatic heart disease ... carditis, during the evolution of the disease Arthritis is the most common manifestation of RF and usually draws attention to the disease When arthritis appears as the sole major manifestation the ... locations are the elbows, wrists, knees, ankles and Achilles 34 tendons They may also be found over the scalp, especially the occiput, and the spinous processes of the vertebrae The number of...
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Diagnosis and management of acute rheumatic fever and rheumatic heart disease in Australia pptx
Ngày tải lên :
28/03/2014, 09:20
... 9388 3343 National Heart Foundation of Australia and the Cardiac Society of Australia and New Zealand Diagnosis and management of acute rheumatic fever and rheumatic heart disease in Australia ... Wheaton; and Dr Nigel Wilson Endorsing organisations As well as the National Heart Foundation of Australia and the Cardiac Society of Australia and New Zealand, these guidelines are endorsed by the ... regions of the USA1 highlight the need to remain aware of this disease in all populations The National Heart Foundation of Australia (NHFA) and the Cardiac Society of Australia and New Zealand (CSANZ)...
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Báo cáo y học: " Nitric oxide synthases in infants and children with pulmonary hypertension and congenital heart disease" ppsx
Ngày tải lên :
12/08/2014, 14:20
... in the lung and was not different between cases and controls (Figure 1, Figure 2) Statistics For each antibody and cell type, the staining intensity of the cardiac patients was compared to the ... respiratory epithelium Expression of iNOS was found in the small pulmonary arteries, both media and endothelium, the respiratory epithelium, and in alveolar macrophages/alveolar lining cells There was ... infants with congenital heart disease Additionally there is co-expression of these two enzymes in pulmonary endothelial cells of these infants These findings support the hypothesis that infant pulmonary...
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Báo cáo y học: "Vasopressin and ischaemic heart disease: more than coronary" pptx
Ngày tải lên :
13/08/2014, 16:21
... in the case of its comparably potent standard care competitors – that is, the catecholamines noradrenaline and adrenaline – AVP may depress cardiac function as a result of impaired coronary blood ... particular, ischaemic heart disease – thus further emphasizing a previous commentary in this journal: ‘Vasopressin in vasodilatory shock: ensure organ blood flow, but take care of the heart! ’ [22] Competing ... vasopressin on the coronary circulation after ischemia J Thorac Cardiovasc Surg 1992, 104:357-363 Diéguez G, Martínez MA, Fernández N, Climént AL, Monge L: Vasopressin effects on the coronary circulation...
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The role of hydrogen sulfide in normal and ischemic heart
Ngày tải lên :
11/09/2015, 09:57
... consists of the heart and blood vessels which provides the tissues/organs of the body with a continuous supply of oxygen, nutrients, and waste removal The heart is the first organ formed during embryonic ... electrical and mechanical events that control blood flow into and out of the heart A region of the heart called the sinoatrial (SA) node is capable of producing and discharging an action potential and ... to heart, brain and other vital organs The most common manifestations of CVD are coronary heart disease, congestive heart failure and stroke (Lopez et al, 2006) 1.3.1 Epidemiology Ischemic heart...
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báo cáo hóa học: " Relationship between oxygen supply and cerebral blood flow assessed by transcranial Doppler and near – infrared spectroscopy in healthy subjects during breath – holding" doc
Ngày tải lên :
19/06/2014, 10:20
... sketches the meaning of the PV, EDV, and MV in relation to the envelope of the CBFV during two cardiac cycles 3 • EDV is the end – diastolic blood flow velocity The BHI derived from the MV (which ... values of the BHI and of the slope of the O2Hb and CO2Hb concentration signals derived from the NIRS data (all the values are expressed in µmol/l/s) The first and the second rows report the BHIs ... summarizes the VMR indexes derived from the NIRS data The first and second rows of Table report the BHIO2 and the BHICO2 mean values for our testing population The second column of the table reports the...
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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
... IN NATIVE CORONARY ATHEROSCLEROSIS, IN-STENT STENOSIS, AND CORONARY BLOOD FLOW REGULATION IN METABOLIC SYNDROME AND EXERCISE Adenosine is widely thought to elicit coronary vasodilation and attenuate ... 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 ... IVUS catheter, guide catheter and introducer sheath were then removed and the right femoral artery was ligated The skin was closed in two layers and the animal was allowed to recover from anesthesia...
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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
... allowed before the subsequent measurement The flow to the hand and foot was excluded by inflating a cuff above the systolic BP in the wrist or ankle, respectively Baseline blood flow was the average ... and Research 2008, 3:36 The limb (and thus the) virtual cylinder is composed of soft tissue (mainly muscles and skin) and "hard" tissue (bone and bone marrow) The soft tissue volume (VS) and blood ... balanced, thus the blood flow in each compartment is constant, and the momentary blood flow can be calculated from the plethysmography Say that a momentary blood flow through the 100 ml cylinder...
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Báo cáo y học: " Lack of agreement between bioimpedance and continuous thermodilution measurement of cardiac output in intensive care unit patient" ppt
Ngày tải lên :
12/08/2014, 18:20
... bioimpedance and the thoracic fluid index (or total thoracic impedance) Cardiac output is then calculated from the product of heart rate and stroke volume, averaged over 16 cardiac cycles We ... using the ‘Vue-link’ software to connect the two devices A printout of cardiac output data at 1-min intervals was obtained at the end of the study period Any discrepancy between the clocks on the ... http://ccforum.com chest and the impedance measured By measuring the maximum rate of change of thoracic impedance during systole, timed from the electrocardiogram (ECG), the stroke volume is calculated The Sramek-Bernstein...
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Báo cáo y học: "Equipment review: New techniques for cardiac output measurement – oesophageal Doppler, Fick principle using carbon dioxide, and pulse contour analysis" pot
Ngày tải lên :
12/08/2014, 18:21
... the mean value during systole; a constant division of blood flow between the descending aorta (70%) and the brachiocephalic and coronary arteries (30%); and, finally, a negligible diastolic flow ... diastolic flow in the descending aorta Accurate velocity measurement requires good alignment between the Doppler beam and blood flow, and knowledge of the angle at which the blood flow is insonated ... Reading, PA, USA), and when peak velocity is maximum (all devices) The angle between the Doppler beam and the flow is presumed to be the same as that between the transducer and the probe (45° or...
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Báo cáo y học: "Comparison of bedside measurement of cardiac output with the thermodilution method and the Fick method in mechanically ventilated patients" pot
Ngày tải lên :
12/08/2014, 19:21
... echocardiography, bolus thermodilution and the Fick method provided substantially different results Although the thermodilution cardiac output values and the metabolic cardiac output values were not ... QTTherm (l/min) Comparison of cardiac output determined using the metabolic (Fick) method (QTFICK) and cardiac output determined using the thermodilution method (QTTHERM) according to (a) the ... be seen from Figures and that the discrepancies between QTTHERM and QTFICK become major only for high cardiac outputs The agreement between QTTHERM and QTFICK at cardiac output values < l/min...
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Báo cáo khoa học: "Clinical review: Positive end-expiratory pressure and cardiac output" pdf
Ngày tải lên :
12/08/2014, 23:20
... return and the outflow pressure for the circuit, which is right atrial pressure (RAP) RAP is controlled by cardiac function and the interaction of cardiac function and circuit function determine cardiac ... into the system The difference between the total volume in the system and the unstressed volume is the relevant volume for causing pressure in the filling chamber, the stressed volume [8] The ... in the veins and venules to the hydrostatic pressure filling the system is called mean systemic pressure (Pms) It is determined by the volume filling the veins and the compliance of the veins The...
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Báo cáo y học: "Reliability of continuous cardiac output measurement during intra-abdominal hypertension relies on repeated calibrations: an experimental animal study" ppsx
Ngày tải lên :
13/08/2014, 11:23
... volume-induced change of CO during IAH when compared with bolus transcardiopulmonary thermodilution cardiac output (COTCP) Further, the level of agreement between these CCO values and COTCP during IAH was ... between (a) and (b) bolus transcardiopulmonary thermodilution cardiac output (COTCP) and continuous cardiac output by pulse power analysis (PulseCO; LiDCO system), (c) and (d) between COTCP and continuous ... continuous cardiac output by pulse contour analysis before recalibration (PCCOpre; PiCCO system), and (e) and (f) between COTCP and continuous cardiac output by pulmonary artery catheter thermodilution...
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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
... of the buffer response was then 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 ... occlusion in the dog: the effect of hepatic denervation Pflugers Arch 1980, 386:77-83 R Burton-Opitz: The vascularity of the liver :the influence of the portal blood flow upon the fllow in the hepatic ... equilibration, the effect of a reduction in PV flow on HA flow (i.e the buffer response) was tested PV flow was reduced by clamping the mesenteric vein, proximal to the insertion of the splenic vein, and...
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Báo cáo y học: "Comparison between Flotrac-Vigileo and Bioreactance, a totally noninvasive method for cardiac output monitoring" ppt
Ngày tải lên :
13/08/2014, 16:20
... Vigileo™, and PAC-CCO was assessed using the ICC ratio and the Pearson correlation coefficient (r) The bias and the variability of the differences (NICOM™ vs PAC-CCO, Vigileo™ vs PAC-CCO and Vigileo™ ... the NICOM™ and five patients with the Vigileo™ (16%) Finally, the sensitivity and specificity for predicting significant CO changes were 0.91 and 0.95, respectively, for the NICOM™ and 0.86 and ... NICOM™ vs Vigileo™ CO = cardiac output; SD = standard deviation slope with the reference was observed in two cases (6%) with the NICOM™ and four patients with the Vigileo™ (12%) During 31 periods of...
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