Intra-group comparison and inter-group comparison of heart rate and blood pressure in each group during tracheal extubation.
HEART, GROUP B
Group A, Group B and Group C were all subjected to superior laryngeal nerve block, and the dosage of sufentanil was 0.4μg/kg, 0.2μg/kg and 0 μ g/kg respectively. In group D, there was no superior laryngeal nerve block, and the dosage of sufentanil was 0.4 μg/kg. MAP: the average arterial pressure, HR: Heart Rate.