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The design of jet ventilators has always been empirical because no theory linked jet geometry, driving pressure, gas density and lung mechanics. A mathematical means has been developed linking these parameters to model jet ventilation. The mathematical model predicts the flow into a physical lung model, but under-estimates flow into the lungs when used to predict the effects of jet ventilation on an animal model at high rates of ventilation. This is attributed to a reduction in compliance with increasing ventilatory frequency.

Type

Journal article

Journal

Br J Anaesth

Publication Date

1989

Volume

63

Pages

78S - 84S

Keywords

Animals, Dogs, High-Frequency Jet Ventilation, Lung, Lung Compliance, Mathematics, Models, Biological, Models, Structural, Pulmonary Ventilation