Table 4.
Comparison of SjvO2, AVDO2, COER, LPR, and LOI between the SGB and control groups (n = 41, x̅ ± sd)
| Index | T1 | T2 | T3 | T4 | F value | P value |
|---|---|---|---|---|---|---|
| SjvO2 (%) | ||||||
| Control | 51.28±3.65 | 52.33±3.71 | 50.15±3.42 | 54.66±4.61 | 10.091 | 0.000 |
| SGB | 61.45±7.32a | 60.22±2.41a | 59.30±3.06a | 65.71±2.73a | 39.140 | 0.000 |
| AVDO2 (ml/L) | ||||||
| Control | 56.78±4.28 | 54.21±11.30b | 51.12±13.94b | 53.31±11.2 | 1.746 | 0.159 |
| SGB | 46.59±6.83a | 44.22±8.11a | 42.35±9.62a | 36.21±8.75a,b | 11.49 | 0.000 |
| COER (%) | ||||||
| Control | 40.72±4.82 | 38.08±4.62 | 37.12±4.34 | 39.31±5.22 | 4.349 | 0.005 |
| SGB | 33.46±4.45a | 32.56±5.27a | 30.74±4.81a | 25.32±4.13a,b | 24.853 | 0.000 |
| LPR (%) | ||||||
| Control | 7.33±1.23 | 7.91±3.22 | 8.02±3.51 | 6.27±1.79b | 3.841 | 0.011 |
| SGB | 3.37±1.46a | 3.19±1.12a | 4.24±1.57a | 3.09±1.04a | 6.511 | 0.000 |
| LOI | ||||||
| Control | 0.024±0.003 | 0.025±0.005 | 0.026±0.004 | 0.020±0.004b | 17.192 | 0.000 |
| SGB | 0.014±0.002a | 0.016±0.003a | 0.017±0.003a | 0.015±0.003a | 8.817 | 0.000 |
Note: Compared with the control group;
a
P<0.05.
Compared with T1;
b
P<0.05.
AVDO2: arteriovenous oxygen difference; COER: cerebral oxygen extraction ratio; LPR: lactate production rate; LOI: lactate-oxygen index; SjvO2: jugular venous oxygen saturation; SGB: stellate ganglion block; T1: before endotracheal intubation; T2: before vascular blockade; T3: after vessel opening; T4: at the end of procedure.