نتایج جستجو برای: respiratory exchange ratio
تعداد نتایج: 871231 فیلتر نتایج به سال:
In the Iranian economy, part of the governmentchr('39')s fiscal policies and liabilities is always financed by banks. As government debt to banks increases, the private sectorchr('39')s access to loans and facilities is limited. It can cause undesirable macroeconomic outcomes. This study investigates the macroeconomic effects of government debt on banks in Iran over 1972–2016 by using an SVAR m...
introduction:guillain-barre syndrome(gbs) is the most common cause of acute flaccid paralysis. respiratory failure is the most serious short-term complication of gbs and invasive mechanical ventilation is required in 30% of patients.moreover,60% of those who are intubated develop major complications including pnemonia,sepsis,gi bleeding and pulmonary embolism. thus respiratory failure predictio...
Respiratory acidosis can become a serious problem during protective ventilation of severe lung failure. A pumpless arteriovenous interventional lung assist (iLA) for extracorporeal carbon dioxide removal has been used increasingly to control critical respiratory situations. The present study sought to evaluate the factors determining the efficacy of iLA and calculate its contribution to gas exc...
The significance of discontinuous gas-exchange cycles (DGC) in reducing respiratory water loss (RWL) in insects is contentious. Results from single-species studies are equivocal in their support of the classic 'hygric hypothesis' for the evolution of DGC, whereas comparative analyses generally support a link between DGC and water balance. In this study, we investigated DGC prevalence and charac...
Maintenance of a body weight 10% above or below that "customary" for lean or obese individuals results in respective increases or decreases in the energy expended in low levels of physical activity (nonresting energy expenditure, NREE). These changes are greater than can be accounted for by the altered body weight or composition and are due mainly to altered skeletal muscle work efficiency at l...
OBJECTIVE The Flutter Valve (Varioraw SARL, Scandipharm Inc, Birmingham, AL) has proven efficacy in hypersecretive spontaneously ventilated patients. This study was designed to evaluate whether an airway clearance protocol using the Flutter Valve can affect the therapeutic and physiologic outcomes in mechanically ventilated patients with pulmonary infection. METHODS In a randomized crossover ...
Respiratory failure is still an important complication of chronic obstructive pulmonary disease (COPD) and hospitalisation with an acute episode being a poor prognostic marker. However, other comorbid conditions, especially cardiovascular disease, are equally powerful predictors of mortality. The physiological basis of acute respiratory failure in COPD is now clear. Significant ventilation/perf...
Guinea pigs were exposed to 15% C02 in 21% 02 for periods up to seven days. Two separate oxygen dissociation curves were determined at a PC02 of 40 mm Hg and a Pco2 of 115 mm Hg on pooled blood samples. Red cell pH and cation concentrations were also measured. Pr(0 fell from 27.8 mm Hg to 18.6 at one day exposure and rose again to 24.7 after seven days of exposure to 15% C02. Blood oxygen capac...
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