通过成人气管内导管进行呼吸的额外负担。
The extra work of breathing through adult endotracheal tubes.
作者信息
Bolder P M, Healy T E, Bolder A R, Beatty P C, Kay B
出版信息
Anesth Analg. 1986 Aug;65(8):853-9.
PMID:3729022
Abstract
A sinusoidal flow generator was connected to adult endotracheal tubes of sizes 5-10 and was used to simulate human ventilation. Measurement of the changes in pressure and flow allowed calculation of the work imposed on breathing by endotracheal tubes. The work of breathing increased with increasing ventilatory rate, tidal volume, and decreasing tube diameter. We discuss the suggestion that the work imposed on breathing by an endotracheal tube is a more appropriate unit for comparison than resistance to air flow.
摘要
一个正弦气流发生器连接到尺寸为5 - 10的成人气管插管上，用于模拟人体通气。通过测量压力和气流的变化，可以计算出气管插管对呼吸施加的功。呼吸功随着通气频率、潮气量的增加以及管径的减小而增加。我们讨论了这样一种观点，即气管插管对呼吸施加的功比气流阻力是更合适的比较单位。
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