Table 2 Mechanical ventilation details and ventilatory pattern during inhalation
From: Aerosol delivery with two ventilation modes during mechanical ventilation: a randomized study
PSV (n = 8) | VCV (n = 9) | p value | |
|---|---|---|---|
Sedatives (propofol, mg/h) | 190 (160–252) | 200 (160–260) | 0.622 |
ETT diameter (mm) | 8.0 (7.5–9.0) | 7.0 (7.5–8.5) | 0.252 |
81mKr ventilation distribution | |||
Right/left lung ratio | 1.13 ± 0.25 | 1.09 ± 0.32 | 0.755 |
Ventilatory pattern during inhalation | |||
P peak (cmH2O) | 16 ± 3 | 20 ± 1 | 0.005 |
V T insp (mL) | 586 ± 117 | 530 ± 95 | 0.292 |
V T insp (mL/kg IBW) | 8.65 (8.00–8.90) | 8.70 (8.55–9.20) | 0.439 |
RR (cycle/min) | 14 ± 1 | 18 ± 2 | <0.001 |
MVinsp (L/min) | 8.01 ± 1.48 | 9.17 ± 0.92 | 0.070 |
Flowpeak insp (L/min) | 44 ± 8 | 32 ± 4 | 0.002 |
T insp (s) | 1.15 ± 0.19 | 1.12 ± 0.12 | 0.664 |
T exp (s) | 3.72 (2.91–3.99) | 2.24 (2.16–2.55) | 0.001 |
T insp T Tot (%) | 25 (22–34) | 32 (32, 33) | 0.072 |