Prediction of Fluid Responsiveness by Stroke Volume Variation in Children Undergoing Fontan Operation
Table 2
Hemodynamic parameters recorded before and after fluid challenge in responders vs. nonresponders undergoing Fontan operation.
Parameter
Before fluid challenge (BFC)
After fluid challenge (AFC)
value of intragroup
HR (beats·min-1)
Responders
0.12
Nonresponders
0.28
intergroup
0.13
0.21
SBP (mmHg)
Responders
a
0.031a
Nonresponders
b
0.075
intergroup
0.27
0.04b
DBP (mmHg)
Responders
a
0.03a
Nonresponders
b
0.38
intergroup
0.04b
0.16
MBP (mmHg)
Responders
a
0.02a
Nonresponders
b
0.11
intergroup
0.02b
0.05
SVV (%)
Responders
16.28 (14.17-19.24)
13.68 (12.90-15.89)a
0.02a
Nonresponders
15.19 (13.78-18.09)b
14.67 (12.88-15.89)b
0.07
intergroup
0.03b
0.04b
SVI (ml·m-2)
Responders
33.06 (29.40-36.34)
37.98 (35.17-40.93)
0.19
Nonresponders
31.66 (28.54-37.63)
33.40 (29.57-36.97)
0.2
intergroup
0.23
0.26
CI (l·min-1·m-2)
Responders
2.46 (1.89-3.21)
2.73 (2.19-3.42)
0.02a
Nonresponders
1.96 (1.32-2.45)
2.06 (1.64-2.70)
0.07
intergroup
0.24
0.03b
CVP (mmHg)
Responders
a
0.03a
Nonresponders
0.16
intergroup
0.09
0.33
Data is shown as () or median (25th and 75th percentiles). HR: heart rate; SBP: systolic blood pressure; DBP: diastolic blood pressure; MBP: mean blood pressure; SVV: stroke volume variation; SVI: stroke volume index; CI: cardiac index; CVP: central venous pressure; R: responders; NR: nonresponders. a compared with that before fluid challenge; b compared with responders.