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Bull Eur Physiopathol Respir · Sep 1982
A method for measuring tidal volume and lung compliance in intubated neonates in the presence of endotracheal tube leakage.
- H G Wiesemann and M Vollbrandt.
- Bull Eur Physiopathol Respir. 1982 Sep 1;18(5):783-9.
AbstractLeakage around the uncuffed endotracheal tube is a major cause of error in the measurement of tidal volume and compliance in intubated neonates. A correction for the leakage can be made if the intratracheal pressure is measured during inflation provided the compliance is linear and the inflation flow is held constant. A two parameter function is given that describes the pressure-time relationship under the above mentioned conditions. The validity of the function has been tested using a model of the system tube-trachea-lung. In practice, the calculation is done from data obtained by graphical analysis of the pressure-time curve.
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