Table 2: Hemodynamics management according to the protocol.
|
Parameter |
Basal |
AoXC |
AoUC |
p |
|
MAP (mmHg) |
85 (12.81) |
79 (9.25) |
81 (14.10) |
0.051 |
|
HR (bpm) |
63 (57÷70) |
58 (52÷65) |
63 (56.5÷70) |
0.26 |
|
SV (ml) |
66 (59.7÷77.1) |
84 (61.6÷77.1) |
87 (68.9÷110.8) |
0.0015* |
|
CI (L/min/m2) |
2.1 (1.8÷2.9) |
2.3 (1.9÷2.9) |
2.5 (2.2÷2.9) |
0.0252** |
|
Ea-dyn |
1.2 (1÷1.4) |
0.9 (0.8÷1) |
1.00 (0.8÷1.2) |
<0.001 |
|
dP/dt (mmHg/sec) |
764.7 (292.57) |
699.45 (267.23) |
702.28 (275.42) |
0.37 |
|
TWA (mmHg) |
|
|
0.3 (0.00-0.73) |
|
|
Average time of hypotensive event (min) |
|
|
2.0 (1.3-3.1) |
|
|
Average percentage of hypotension duration (%) |
|
|
3.54 |
|
|
Number of hypotensive event/patient (n) |
|
|
1.5 (1-3) |
|
Data reported as Mean and SD and as Median and IQR; One-way ANOVA test for comparison between Repeated Measures; Basal: 20-30 minutes after anesthesia induction; AoXC: 5 minutes after aortic clamping; AoUC: 5 minutes after aortic unclamping. MAP: Mean Arterial Pressure (Radial); HR: Heart Rate; SV: Stroke Volume; Ea-dyn: Dynamic Arterial Elastance; dP/dt: the change of arterial pressure within the time unit; TWA: Time Weighted Average; *T0 vs. T1 (0.0064); T0 vs. tT2 (0.0064); **T0 vs. T1 (0.011); T1 vs. T2 (0.0016); ***T0 vs. T1 (<0.001); T0 vs. T2 (0.0039)