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Table 3 Intraoperative data

From: The effects of hemodynamic management using the trend of the perfusion index and pulse pressure variation on tissue perfusion: a randomized pilot study

  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
  1. 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
  2. Values are expressed as mean ± standard deviation or number
  3. aP values were calculated using Student’s t test
  4. bP values were calculated using Mann-Whitney test
  5. cP values were calculated using Fisher’s exact test