• Br J Anaesth · Nov 1983

    Alveolar deadspace during high frequency positive pressure ventilation. Influence of ventilatory pattern.

    • A Jonzon, Z Rondio, and G Sedin.
    • Br J Anaesth. 1983 Nov 1; 55 (11): 1133-8.

    AbstractPulmonary gas exchange was studied in association with high frequency ventilation and its relation to the duration of insufflation and end-expiratory pressure investigated. Alveolar deadspace, alveolar ventilation and the alveolar-arterial oxygen difference were obtained in cats receiving a constant minute ventilation. Alveolar deadspace increased with ventilatory frequency when a long insufflation time was used. A positive end-expiratory pressure (PEEP) decreased the alveolar deadspace in high frequency ventilation. Thus, with the low compressible volume ventilator, more efficient high frequency ventilation can be achieved with a short period of insufflation plus low PEEP.

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