| Positive fluid challenge (n= 29) | Negative fluid challenge (n= 13) | ||
---|---|---|---|---|
Variables | Before VE | After VE | Before VE | After VE |
SAP, mmHg | 94 ± 15 | 112 ± 15†| 104 ± 20 | 106 ± 11 |
DAP, mmHg | 53 ± 10 | 57 ± 9 | 52 ± 9 | 51 ± 7 |
MAP, mmHg | 66 ± 11 | 75 ± 10†| 69 ± 12 | 70 ± 7 |
HR, beats/minute | 77 ± 16 | 75 ± 14 | 78 ± 13 | 75 ± 12 |
SV, mL | 61 ± 12 | 83 ± 19†| 64 ± 15 | 69 ± 14 |
CO, L/minute | 4.7 ± 1.2 | 6.3 ± 1.7†| 4.9 ± 1.5 | 5.2 ± 1.3 |
SVV, % | 14 (13 to 16) | 6 (5 to 7)†| 16 (15 to 16) | 6 (5 to 8)†|
PPV, % | 16 (15 to 18) | 5 (3 to 6)†| 14 (13 to 15) | 5 (4 to 8)†|
Pre-VOT StO2, % | 84 (77 to 91) | 88 (79 - 93) | 83 (77 to 90) | 84 (79 to 91) |
desStO2, %/minute | -10.4 (-12.2 to -9.2) | -10.9 (-10.7 to -6.5) | -9.9 (-10.7 to -9.7) | -10.8 (-13.1 to -9.9) |
Hyperaemia recovery area, AU | 12.6 (7.5 to 21.5) | 12.2 (7.3 to 22.9) | 12.9 (10.7 to 20.9) | 12.8 (8.9 to 19.8) |