نتایج جستجو برای: tidal volume
تعداد نتایج: 334062 فیلتر نتایج به سال:
INTRODUCTION Positive pressure ventilation with large tidal volumes has been shown to cause release of cytokines, including macrophage inflammatory protein-2 (MIP-2), a functional equivalent of human IL-8, and neutrophil infiltration. Hyperoxia has been shown to increase ventilator-induced lung injury, but the mechanisms regulating interaction between a large tidal volume and hyperoxia are uncl...
Lung function measurement is difficult in unsedated infants; tidal breathing parameters are a useful non-invasive surrogate, but even these measurements cause disturbance from applying a facemask. We investigated a novel volumetric vest system (FloRight), which measures volume changes of the respiratory system from changes in the magnetic fields induced by current-carrying coils around the enti...
results sixty patients were involved in this study. in asv mode, values including peak airway pressure (p-peak), end-tidal carbon dioxide (etco2), tidal volume and respiratory dead space were significantly lower than simv mode. although the mean value for dynamic compliance had no significant difference in the two types of ventilation, it was better in asv mode. methods in a crossover study, pa...
Low tidal volume ventilation is beneficial in patients with severe pulmonary dysfunction and would, in theory, reduce postoperative complications if implemented during routine surgery. The study aimed to investigate whether low tidal volume ventilation and high positive end-expiratory pressure (PEEP) in a large animal model of postoperative sepsis would attenuate the systemic inflammatory respo...
Fig. 2. The difference (I) between tidal volume measured by pneumotachograph (VT,) and tidal volume estimated by probe device (VT,) against the average (I) of these two values. A horizontal line is drawn at zero difference for reference. Lines for the mean and 2SD range (95%) of the difference are shown. The trend of points is down to the right, except for the outlier, indicating that bias may ...
Current ventilation practice during general anaesthesia: a prospective audit in Melbourne, Australia
BACKGROUND Recent evidence suggests that the use of low tidal volume ventilation with the application of positive end-expiratory pressure (PEEP) may benefit patients at risk of respiratory complications during general anaesthesia. However current Australian practice in this area is unknown. METHODS To describe current practice of intraoperative ventilation with regard to tidal volume and appl...
BACKGROUND In volume guarantee ventilation with the Dräger Babylog 8000 ventilator, inspiratory and expiratory flows are monitored and the expiratory tidal volume calculated following each inflation. The pressure for the next inflation is modified to ensure the expired tidal volume is close to the set value. AIM To investigate interrupted expiration observed during volume guarantee ventilatio...
OBJECTIVE To determine whether tidal volume is associated with mortality in critically ill, mechanically ventilated children. DATA SOURCES MEDLINE, EMBASE, and CINAHL databases from inception until July 2013 and bibliographies of included studies without language restrictions. STUDY SELECTION Randomized clinical trials and observational studies reporting mortality in mechanically ventilated...
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