| Group | T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 |
---|---|---|---|---|---|---|---|---|---|
HR | Control | 76.6 ± 15.4 | 75.9 ± 15.0 | 77.4 ± 14.7 | 79.0 ± 14.0## | 80.1 ± 14.3## | 80.9 ± 14.2## | 80.2 ± 12.4## | 79.7 ± 12.5# |
Dexmedetomidine | 75.6 ± 15.2 | 75.4 ± 15.1 | 75.8 ± 14.5 | 77.8 ± 13.9# | 79.1 ± 14.3## | 79.1 ± 14.1# | 78.7 ± 11.0# | 79.7 ± 12.5 | |
RR | Control | 18.8 ± 1.1 | 18.8 ± 1.1 | 18.9 ± 1.3 | 19.2 ± 1.0## | 19.1 ± 1.0 | 19.1 ± 0.9# | 19.1 ± 0.9# | 18.9 ± 0.9 |
Dexmedetomidine | 18.8 ± 1.5 | 18.7 ± 1.2 | 18.5 ± 1.2 | 18.5 ± 1.4 | 18.7 ± 1.1 | 19.0 ± 1.0 | 18.7 ± 0.8 | 18.8 ± 0.8 | |
MAP | Control | 98.9 ± 16.1 | 97.9 ± 14.4 | 97.8 ± 14.5 | 97.3 ± 14.4 | 95.6 ± 14.4# | 94.3 ± 12.7## | 91.4 ± 11.5## | 89.6 ± 10.5## |
Dexmedetomidine | 98.4 ± 15.2 | 97.7 ± 15.5 | 95.4 ± 14.3## | 94.8 ± 14.2## | 94.1 ± 12.8## | 92.8 ± 12.3## | 91.5 ± 10.6## | 89.6 ± 8.6## | |
SPO2 | Control | 98.7 ± 1.1 | 98.9 ± 1.2 | 98.6 ± 1.3 | 98.7 ± 1.2 | 98.7 ± 1.1 | 98.6 ± 1.2 | 98.3 ± 1.0## | 98.3 ± 0.7## |
Dexmedetomidine | 98.7 ± 1.8 | 98.9 ± 1.4 | 98.8 ± 1.4 | 98.8 ± 1.4 | 98.8 ± 1.1 | 98.8 ± 1.1 | 98.4 ± 0.9 | 98.3 ± 0.7 | |
Systemic pain NRS score | Control | 3.2 ± 1.2 | 3.1 ± 1.1 | 2.5 ± 0.7## | 2.4 ± 0.7## | 2.3 ± 0.7## | 2.2 ± 0.7## | 2.3 ± 1.0## | 1.4 ± 0.9## |
Dexmedetomidine | 3.0 ± 1.1 | 2.9 ± 1.0 | 2.5 ± 0.8## | 2.2 ± 0.7## | 2.1 ± 0.6##* | 2.0 ± 0.6## | 2.2 ± 1.4## | 1.3 ± 0.8## |