Outcome | TLV | OLV | P value | ||
---|---|---|---|---|---|
OLV (0) | OLV (5) | OLV (10) | |||
Primary outcome | |||||
rSO2, mean ± SD, % | — | 69 ± 9 | 67 ± 9 | 67 ± 8 | 0.002b |
Secondary outcomes | |||||
rSO2, mean ± SD, % | 75 ± 7 | 69 ± 9 | 67 ± 9 | 667 ± 8 | <0.001b |
PaO2a,median(IQR),(mmHg) | — | 112.0(80.6,184.6) | 171.5(117.0,224.8) | 163.0(109.3,303.3) | 0.001 |
457.5(394.0,523.5) | <0.001 | ||||
PaCO2, mean ± SD, (mmHg) | — | 39 ± 3 | 40 ± 4 | 41 ± 5 | <0.001c |
39 ± 6 | 0.003c | ||||
Ppeak, mean ± SD,(cmH2O) | — | 20 ± 2 | 21 ± 2 | 24 ± 2 | <0.001 |
16 ± 2 | <0.001 | ||||
HR, mean ± SD, (beats/min) | — | 68 ± 13 | 62 ± 10 | 62 ± 11 | 0.140c |
67 ± 11 | 0.156c | ||||
MAP,median(IQR),(mmHg) | — | 79.0(73.3,90.8) | 82.67(76.5,91.5) | 83.33(77.1,89.3) | 0.442 |
84.5(76.4,95.0) | 0.452 | ||||
CI,median(IQR),(L/min∙m2) | — | 2.15(1.83,2.40) | 2.15(1.83,2.30) | 2.10(1.93,2.28) | 0.894 |
2.10(1.90,2.30) | 0.961 | ||||
SVV,median(IQR),% | — | 9.00(5.00,10.00) | 6.00(5.25,9.00) | 7.00(5.25,9.00) | 0.492 |
9.00(8.00,11.00) | 0.004 |