Respiratory variation in carotid peak systolic velocity predicts volume responsiveness in mechanically ventilated patients with septic shock: a prospective cohort study

The Ultrasound Journal

Table 2 Baseline differences in predictors of fluid responsiveness between responders and non-responders

Variable	Responders	Non-responders	P value
Variable	n = 30	n = 29	P value
ΔCDPV (%)	21 (17–23)	13 (10–14)	<0.0001
SVV (%)	18.5 (17–22)	14 (11–18)	0.003
PLR Delta SVI (%)	16.5 (13–18)	13 (10.5–16)	0.01
PPV (%)	14.5 (11–19)	12 (10–14)	0.08
ΔD-IVC (%)	15 (12–17)	14 (11–18)	0.54
GEDI (ml/m²)^a	472 ± 115	490 ± 102	0.53
IVC-d (mm)^a	10.9 ± 3.8	10.5 ± 3.7	0.69
CVP (mmHg)	8 (6–10)	8 (6–9)	0.78

Data are expressed as median (interquartile range), except those marked with ^a, which are expressed as a mean (standard deviation)
ΔCDPV respiratory variation in carotid Doppler peak velocity, SVV stroke volume variation, PLR Delta SVI rise in stroke volume index after passive leg elevation test, PPV pulse pressure variability, ScvO2 oxygen saturation at central venous blood, ΔD-IVC respiratory variation in inferior vena cava diameter, GEDI global end-diastolic index, IVC-d inferior vena cava diameter, CVP central venous pressure