Table 2.
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 |
ASPIDS, aspiration of dead space; PaCO2, carbon dioxide arterial partial pressure; RR, respiratory rate.