Low caval index (n=9) | p Value | High caval index (n=19) | p Value | |||
---|---|---|---|---|---|---|
Baseline | After 1000 mL | Baseline (CI) | After 1000 mL | |||
SV (mL) | 69.2 (53.7 to 83.2) | 55.6 (44.6 to 97.5) | 0.953 | 66.4 (55.6 to 70.3) | 77.9 (57.3 to 100.7) | 0.022 |
CO (L/min) | 6.4 (6.2 to 8.1) | 5.7 (5.2 to 9.0) | 0.514 | 6.4 (5.9 to 7.9) | 7.9 (5.5 to 8.9) | 0.117 |
p Value: statistical difference in parameters between baseline and after a fluid bolus of 1000 mL, 0.9% NaCl.
p ΔL-ΔH: statistical difference between a low and high caval index.
CO, cardiac output; NaCl, sodium chloride; SV, stroke volume.