Table 3.
Intraoperative data
| Intervention group (n = 17) | Control group (n = 17) | P value | |
|---|---|---|---|
| Duration of anesthesia (min) | 342 ± 96 | 332 ± 85 | 0.74a |
| Duration of surgery (min) | 238 ± 89 | 239 ± 85 | 0.98a |
| Intraoperative blood loss (mL) | 468 ± 466 | 485 ± 407 | 0.91a |
| HR (beats/min) | 71 ± 11 | 75 ± 11 | 0.30a |
| MAP (mmHg) | 74 ± 6 | 69 ± 7 | 0.04a |
| PI (%) | 2.4 ± 1.6 | 2.8 ± 1.5 | 0.45a |
| PPV (%) | 9.8 ± 3.8 | 8.8 ± 2.7 | 0.39a |
| SVV (%) | 12.1 ± 3.8 | 9.6 ± 2.2 | 0.02b |
| CI (L/min/m2) | 2.9 ± 0.7 | 3.3 ± 1.0 | 0.27a |
| SVI (mL/m2) | 41 ± 11 | 42 ± 8 | 0.90a |
| Crystalloid (mL/kg/h) | 3.8 ± 1.1 | 6.2 ± 2.1 | 0.0006b |
| Colloid (mL/kg/h) | 2.3 ± 1.2 | 3.3 ± 3.0 | 0.61b |
| Number of patients transfused with RBC (n) | 4 | 5 | > 0.99c |
| RBC transfusion (mL) | 135 ± 256 | 112 ± 203 | 0.77a |
| Number of patients received ephedrine (n) | 15 | 13 | 0.66c |
| Total dose of ephedrine (mg) | 9.3 ± 8.1 | 10.5 ± 8.4 | 0.31a |
| Ephedrine (mg/h) | 1.5 ± 1.1 | 2.1 ± 1.7 | 0.68a |
| Number of patients received phenylephrine (n) | 16 | 14 | 0.60c |
| Phenylephrine (mg/h) | 0.73 ± 0.44 | 0.22 ± 0.32 | 0.0006a |
| Number of patients received dobutamine (n) | 3 | 0 | 0.23c |
| Dobutamine (μg/kg/min) | 0.14 ± 0.49 | 0.00 ± 0.00 | 0.23b |
| ETCO2 (mmHg) | 37 ± 1.4 | 37 ± 1.4 | 0.39a |
| TV (mL/kg of IBW) | 8.2 ± 0.4 | 8.3 ± 0.8 | 0.84b |
| Ppeak (cmH2O) | 18 ± 2.7 | 17 ± 1.8 | 0.07a |
| PEEP (cmH2O) | 5.1 ± 0.86 | 4.7 ± 0.7 | 0.11a |
| ETDes (%) | 3.7 ± 0.3 | 3.5 ± 0.5 | 0.31b |
| Tblad (°C) | 36.9 ± 0.6 | 36.6 ± 0.6 | 0.18a |
| Tskin (°C) | 36.1 ± 0.5 | 35.9 ± 1.1 | 0.95b |
Abbreviations: CI cardiac index, ETCO2 end-tidal carbon dioxide tension, ETDes end-tidal desflurane concentration, HR heart rate, IBW ideal body weight, MAP mean arterial pressure, PEEP positive end-expiratory pressure, PI perfusion index, Ppeak peak inspiratory pressure, PPV pulse pressure variation, RBC red blood cell, SVI stroke volume index, SVV stroke volume variation, Tblad bladder temperature, Tskin skin temperature of the hand, TV tidal volume
Values are expressed as mean ± standard deviation or number
aP values were calculated using Student’s t test
bP values were calculated using Mann-Whitney test
cP values were calculated using Fisher’s exact test