Pulmonary blood flow
The effect of altering pulmonary blood flow on pulmonary gas exchange in the turtle Trachemys (Pseudemys) scripta
... shunting, pulmonary diffusion limitation and V ˙/Q ˙ heterogeneity all contribute to the P O ∑ difference between lung gas and left atrial ...appreciable pulmonary diffusion limitation at ...increasing ...
8
THE EFFECT OF CHANGES IN VENTILATION AND PULMONARY BLOOD FLOW ON THE DIFFUSING CAPACITY OF THE LUNG
... DLco and pulmonary blood flow (Figure 3B) in four normal subjects and one subject with mitral stenosis at rest, during exercise and during vol- untary hyperpnea. It may be seen from Figu[r] ...
17
Assessment of regional pulmonary blood flow using 68Ga-DOTA PET
... Background: In vivo determination of regional pulmonary blood flow (PBF) is a valuable tool for the evaluation of many lung diseases. In this study, the use of 68 Ga-DOTA PET for the in vivo ...
9
VENTILATION-PERFUSION RELATIONSHIPS IN CHILDREN WITH HEART DISEASE AND DIMINISHED PULMONARY BLOOD FLOW
... Pulmonary function of infants and chil- dren with diminished pulmonary blood flow was studied by measurement of alveolar ventilation and alveolar- arterial gas tension differences of 02,[r] ...
8
VENTILATION-PERFUSION RELATIONSHIPS IN CHILDREN WITH HEART DISEASE AND DIMINISHED PULMONARY BLOOD FLOW
... Pulmonary function of infants and chil- dren with diminished pulmonary blood flow was studied by measurement of alveolar ventilation and alveolar- arterial gas tension differences of 02,[r] ...
10
Regional pulmonary blood flow in sitting and supine man during and after acute hypoxia
... Regional pulmonary blood flow was measured by external counting of intravenously injected 133 Xe during 20 min of breathing ...hypoxia, blood flow distribution differed significantly ...
11
Original Article Contribution of calcium-activated chloride channel to elevated pulmonary artery pressure in pulmonary arterial hypertension induced by high pulmonary blood flow
... nary blood flow conditions re- sulted in increased amplitude of Cl - outwards currents, thereby leading to membrane depolar- ization and final PASMCs con- ...elevated pulmonary pressure and the ...
9
Hypoxic pulmonary blood flow redistribution and arterial oxygenation in endotoxin challenged NOS2 deficient mice
... of pulmonary blood flow in response to unilateral alveolar hypoxia produced by ...monary blood flow to the right lung and causing a mod- est decrease in PaO 2 ...murine pulmonary ...
10
Matehematical modeling in two phases pulmonary blood flow through arterioles in lungs with special references chronic obstructive pulmonary disease (copd)
... the pulmonary blood flow in ...the blood flow of two phase, one of which is that of red blood cells and other is ...of blood flow decrease successively because of ...
5
Effect of Pulmonary Blood Flow upon Lung Mechanics
... Comparison was made between the nonperfused state and during perfusion with whole blood at 100 ml/kg dog wt per min, and left atrial pressure of 10 mm Hg. Pressure tracings were similar during deflation in the ...
19
REGULATION OF PULMONARY BLOOD FLOW AND OF BLOOD PRESSURE IN A MANGROVE CRAB (GONIOPSIS CRUENTATA)
... We attempted to confirm the observations made on Carcinus (Rajashekhar and Wilkens, 1991) that small changes in hydrostatic pressure in the DS would cause baroreceptor-like phasic change[r] ...
19
Effective Pulmonary Blood Flow in Preterm and Light-for-Date Infants
... Pediatrics, 57: 187-190, 1976, PULMONARY CAPILLARY BLOOD FLOW, PRETERM INFANTS, LIGHT-FOR-DATE INFANTS, IDIOPATHIC RESPIRATORY DISTRESS SYNDROME.. Since the demonstration of the importan[r] ...
6
VENTILATION AND RESPIRATORY GAS TRANSFER OF INFANTS WITH INCREASED PULMONARY BLOOD FLOW
... The small urine-alveolar nitrogen tension difference (U-A)DN2 suggested that the distribution of ventilation. perfusion ratios %95 at least as even as in normal children[r] ...
15
MEASUREMENTS OF EFFECTIVE PULMONARY BLOOD FLOW IN THE NORMAL NEWBORN HUMAN INFANT
... ing bag (mean Pico2 23 mm Hg at end of rebreathing period). The lack of changes in heart rate, blood and pulse pressures suggested, however, that the changes in the depth of breathing di[r] ...
11
EFFECT OF THE PATENT DUCTUS ARTERIOSUS ON THE PULMONARY BLOOD FLOW, BLOOD VOLUME, HEART RATE, BLOOD PRESSURE, ARTERIAL BLOOD GASES AND pH
... occasional failure in infancy, and by changes in cardiac silhouette and ECG have not been included in this study. Some of the data, especially those related to the effect of exercise.. 0[r] ...
18
Surfactant and pulmonary blood flow distributions following treatment of premature lambs with natural surfactant
... J Clin Invest. 1984;73(3):848-856. https://doi.org/10.1172/JCI111280. Prematurely delivered lambs were treated with radiolabeled natural surfactant by either tracheal instillation at birth and before the onset of ...
10
STUDIES OF THE PULMONARY CIRCULATION IN MAN AT REST NORMAL VARIATIONS AND THE INTERRELATIONS BETWEEN INCREASED PULMONARY BLOOD FLOW, ELEVATED PULMONARY ARTERIAL PRESSURE, AND HIGH PULMONARY “CAPILLARY” PRESSURES
... Pulmonary hemodynamics have been studied in normal individuals at rest and the response of the pulmonary vasculature to large pulmonary blood flows, high pulmonary arterial pressures, an[r] ...
13
The effects of artificial lung inflation on pulmonary blood flow and heart rate in the turtle Trachemys scripta
... central blood vessels were exposed by removing a 4 cm×5 cm portion of the plastron with an electric bone saw, and 2R transit-time ultrasonic blood flow probes (Transonic System, ...left ...
7
Cardiovascular and respiratory reflex control systems in the regulation of pulmonary blood flow and ventilation during exercise
... and pulmonary haemodynamic, autonomic nervous system response to the activation of the muscle metaboreflex, with and without combined muscle mechanoreflex activation, could be studied in CHF patients and ...
221
THE DETERMINATION OF UNEVEN PULMONARY BLOOD FLOW FROM THE ARTERIAL OXYGEN TENSION DURING NITROGEN WASHOUT
... This method is based on the principle that the rate of rise of alveolar 02 tension during oxygen inhalation depends on the distribution of inspired 02 to well and poorly ventilated regio[r] ...
9