Research Article
A New Method for In Vivo Analysis of the Performances of a Heat and Moisture Exchanger (HME) in Mechanically Ventilated Patients
Table 1
Ventilatory variables at t0, t1, and t2 assessment time; SD: standard deviation.
| | | t0: mean | t1: mean | t2: mean | Differences over time (p) | | (SD) | (SD) | (SD) |
| | Tidal volume (ml) | 443 | 431 | 425 | 0.70 | | (136) | (109) | (93) |
| | Respiratory rate (min−1) | 18 | 18 | 18 | 0.82 | | (6.55) | (6.91) | (6.91) |
| | Minute ventilation (l/min) | 7.46 | 7.52 | 7.42 | 0.92 | | (2.49) | (2.13) | (2.41) |
| | I:E ratio | 0.53 | 0.59 | 0.58 | 0.70 | | (0.26) | (0.27) | (0.28) |
| | Room temperature (°C) | 24.0 | 23.3 | 23.7 | 0.09 | | (1.75) | (1.14) | (1.16) |
| | Patient temperature (°C) | 36.7 | 36.9 | 36.7 | 0.76 | | (0.70) | (0.75) | (0.59) |
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