Influence of Respiratory Gas Density on Tidal Volume During Pressure-Controlled Ventilation: A Laboratory Investigation and Observational Study in Children.
Abstract:Fluid mechanics shows that high-density gases need more energy while flowing through a endo-tracheal tube. This means that during general anesthesia, high-density gases left less energy for lung inflation under pressure-controlled ventilation (PCV). However, the impact have not been studied. This study investigated the effects of high-density anesthetic gases on tidal volume (TV) in laboratory and clinical settings.In laboratory study, a test lung was ventilated at fixed PCV with 22 different gas compositions … Show more
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