Table 2 Hemodynamic and case dataa
Manual | Closed-loop | P -value | |
|---|---|---|---|
Case time (min) | 472 (346, 571) | 433 (324, 583) | 0.467 |
Estimated blood loss (ml) | 200 (50, 400) | 100 (25, 250) | 0.182 |
Urine output (ml) | 525 (345, 705) | 625 (300, 900) | 0.491 |
Total crystalloid (ml) | 2500 (1,567, 3,817) | 2100 (1,554, 3,653) | 0.628 |
Crystalloid (ml/kg/hr) | 4.9 (3.6, 6.4) | 4.6 (3.5, 6.8) | 0.977 |
Total colloid (ml) | 750 (375, 1,050) | 576 (400, 1,199) | 0.938 |
Colloid (ml/kg/hr) | 1.4 (0.7, 1.7) | 1.4 (0.8, 1.6) | 0.634 |
Blood (U/case) | 0 (0, 0) | 0 (0, 0) | 0.760 |
Phenylephrine (μg) | 300 (50, 700) | 200 (0, 500) | 0.480 |
Ephedrine (mg) | 10 (5, 25) | 10 (0, 20) | 0.510 |
Length of SICU stay (d) | 1 (0, 1) | 0 (0, 2) | 0.648 |
Length of hospital stay (d) | 6 (4, 7) | 6 (3, 9) | 0.652 |
Total length of stay (d) | 7 (5, 8) | 6 (4, 11) | 0.815 |
Mean HR (bpm) | 78 ± 10 | 72 ± 10 | 0.035 |
Mean SVI (ml/m2) | 43 ± 9 | 45 ± 10 | 0.615 |
Mean CI (L/m2/min) | 3.5 ± 0.8 | 3.3 ± 0.8 | 0.373 |
Mean MAP (mmHg) | 83 ± 9 | 79 ± 8 | 0.077 |
Mean SVR (dyn · s/cm5) | 1070 ± 302 | 1121 ± 353 | 0.580 |
Mean SVV (%) | 8.8 ± 2.5 | 7.0 ± 1.2 | 0.003 † |
End HR (bpm) | 88 ± 13 | 77 ± 10 | 0.003 † |
End SVI (ml/m2) | 42 ± 11 | 45 ± 11 | 0.308 |
End CI (L/m2/min) | 3.4 ± 1.1 | 3.4 ± 0.9 | 0.811 |
End MAP (mmHg) | 82 ± 13 | 78 ± 19 | 0.411 |
End SVR (dyn · s/cm5) | 1042 ± 336 | 1033 ± 315 | 0.926 |
End SVV (%) | 9.2 ± 3.1 | 6.9 ± 3.4 | 0.015* |
POMS score | |||
Postoperative day 3 | 3 (2,4) | 3 (2,4) | 0.683 |
Postoperative day 5 | 1 (1,3) | 2 (1,3) | 0.408 |