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Table 2 Change in PaCO2 in % of baseline value at each RR

From: Re-inspiration of CO2 from ventilator circuit: effects of circuit flushing and aspiration of dead space up to high respiratory rate

RR, min-1

20

40

60

 

Change in PaCO2 in % of baseline value at each RR

Circuit Flushing

-10.3 ± 4, P = 0.005

-20 ± 3, P = 0.0002

-26 ± 7, P = 0.001

ASPIDS

-

-33 ± 5, P = 0.0004

-41 ± 6, P = 0.0002

  1. ASPIDS, aspiration of dead space; PaCO2, carbon dioxide arterial partial pressure; RR, respiratory rate.
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Critical Care

ISSN: 1364-8535