نتایج جستجو برای: tidal volume tv
تعداد نتایج: 349592 فیلتر نتایج به سال:
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...
BACKGROUND It has recently been shown that large tidal volume ventilation accelerates the alveolar clearance of insoluble particles and this may be related to accelerated surfactant evacuation from the alveolus into the airway. The aim of this study was to investigate if the effect of large tidal volume ventilation is modified in an experimental model of surfactant dysfunction. METHODS Fluore...
OBJECTIVES To evaluate the effect of nebulized albuterol on tidal breathing flow-volume loops in infants with bronchiolitis due to respiratory syncytial virus. DESIGN A randomized, double-blind, control study. SETTING Pediatric unit in a community teaching hospital. PARTICIPANTS Twenty infants younger than 1 year of age (mean age, 5.8 +/- 2.8 months) with a first episode of wheezing due t...
Tidal basins are described by major features such as tidal flat, tidal channel, intertidal area, and tidal prism, which have been formulated by some empirical relations based on field observations. Although empirical relations explain some morphological patterns, those are not applicable to all conditions. Due to the lack of observations for different areas and under different geophysical condi...
Oxidative damage to surfactant can decrease lung function in vivo. In the current study, our two objectives were: 1) to examine whether the adverse effects of oxidized surfactant would be accentuated in animals exposed to high tidal volume ventilation, and 2) to test whether supplementation with surfactant protein A (SP-A) could improve the function of oxidized surfactant in vivo. The first obj...
Residual renal function (RRF) is a key element for good maintenance of patients on peritoneal dialysis (PD). Several reports have been published comparing RRF preservation between continuous ambulatory PD and automated PD (APD); however, no comparisons have yet been made between tidal and non tidal APD. We therefore retrospectively analyzed RRF in patients on tidal (n = 10) and non tidal (n = 1...
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