From: Tissue oxygenation as a target for goal-directed therapy in high-risk surgery: a pilot study
Characteristics | Control (n = 20) | Intervention (n = 20) | P-value* | Dobu+(n = 10) | P-value§ |
---|---|---|---|---|---|
Age (yr) | 75 [69–78] | 71 [69–78] | 71 [69–81] | ||
Gender (M/F) | 16/4 | 16/4 | 9/1 | ||
Body Mass Index (m/kg2) | 27 [22–31] | 25 [23-27] | 25 [23–28] | ||
Smoking status (%) | 60 | 35 | 40 | ||
Medical history (n) | |||||
COPD | 4 | 4 | 1 | ||
CAD | 5 | 9 | 5 | ||
CHF | 5 | 3 | 2 | ||
IDDM | 3 | 6 | 3 | ||
TIA | 2 | 2 | 1 | ||
Hemoglobine (g/dl) | 12.2 [10.6-14.5] | 13.7 [12.6-15.3] | 0.34 | 13.4 [10.6-15.6] | 0.25 |
Type of surgery (n) | 0.18 | 0.13 | |||
AAA | 9 | 5 | 2 | ||
Oesophagus | 1 | 2 | 2 | ||
Stomach | 1 | 3 | 1 | ||
Pancreas | 1 | 5 | 4 | ||
Colon | 3 | 2 | 0 | ||
Other | 5 | 3 | 1 | ||
Duration surgery (min) | 277 [221–334] | 262 [145–387] | 0.63 | 349 [246–500] | 0.35 |
Blood loss (ml) | 800 [350–1575] | 375 [200–950] | 0.07 | 550 [288–1050] | 0.22 |
RBC transfusion (ml) | 0 [0–300] | 0 [0–0] | 0.06 | 0 [0–150] | 0.32 |
Colloids (ml) | 1000 [563–1000] | 500 [0–1500] | 0.40 | 1000 [500–1625] | 0.83 |
Crystalloids (ml) | 3000 [2350–3875] | 2725 [2075–3500] | 0.80 | 3400 [2500–4125] | 0.57 |
Norepinephrine (%) | 50 | 75 | 90 | ||
Hemoglobine (g/dl) | 10.8 [9.2-12.6] | 10.9 [9.9-12.3] | 0.73 | 11.4 [9.3-12.4] | 0.74 |
StO2 - baseline (%) | 86 [83–90] | 86 [81–90] | 0.68 | 81 [78–84] | 0.01 |
StO2 - average (%) | 83 [77–87] | 85 [78–91] | 0.45 | 78 [74–82] | 0.07 |
StO2 - minimum (%) | 71 [59–79] | 76 [70–82] | 0.22 | 70 [57–72] | 0.40 |
ScvO2 - baseline (%) | 80 [70–85] | 81 [75–84] | 0.91 | 75 [74–83] | 0.53 |
ScvO2 - average (%) | 77 [70–81] | 81 [77–83] | 0.09 | 78 [72–83] | 0.35 |
ScvO2 - minimum (%) | 61 [55–68] | 70 [59–72] | 0.13 | 65 [57–72] | 0.38 |