Table 3 Indices of preload responsiveness at different study times in preload responders and non-responders
Effects of PLR (Vt = 6 mL/kg) | Effects of the Vt challenge (Vt = 8 mL/kg) | Effects of VE (Vt = 6 mL/kg) | ||
|---|---|---|---|---|
ΔCI (% change) | ||||
Preload responders Preload non-responders | 18 ± 6 4 ± 4 | − 9 ± 8 2 ± 6 | 25 ± 9 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔVTI (% change) | ||||
Preload responders Preload non-responders | 16 ± 3 1 ± 1 | − 10 ± 7 1 ± 7 | + 16 ± 8 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔPPV (% change) | ||||
Preload responders Preload non-responders | − 38 ± 16 − 4 ± 8 | 64 ± 42 1 ± 28 | − 50 ± 12 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔPPV (absolute change) | ||||
Preload responders Preload non-responders | − 3 ± 1 0 ± 1 | 5 ± 2 0 ± 1 | − 4 ± 2 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔSVV (% change) | ||||
Preload responders Preload non-responders | − 24 ± 20 1 ± 15 | 44 ± 22 − 1 ± 3 | − 40 ± 17 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔSVV (absolute change) | ||||
Preload responders Preload non-responders | − 2 ± 2 0 ± 1 | 3 ± 2 − 1 ± 3 | − 4 ± 2 | |
P preload non-responders versus preload responders | < 0.01 | < 0.01 | ||
ΔIVCDV (% change) | ||||
Preload responders Preload non-responders | − 26 ± 28 − 3 ± 20 | 91 ± 72 − 10 ± 52 | − 25 ± 15 | |
P preload non-responders versus preload responders | 0.02 | < 0.01 | ||
ΔIVCDV (absolute change) | ||||
Preload responders Preload non-responders | − 2 ± 3 − 1 ± 2 | 6 ± 4 − 1 ± 4 | − 2 ± 4 | |
P preload non-responders versus preload responders | 0.51 | < 0.01 | ||