From: Dexmedetomidine sedation during the nighttime reduced the incidence of postoperative atrial fibrillation in cardiovascular surgery patients after tracheal extubation
Dex group
Non-Dex group
p value
Incidence of atrial fibrillation
Total [n, (%)]
1/16 (6.3)
10/29 (34.5)
0.035
Day 1
6/29 (20.7)
0.20
Day 2
0/16 (0)
7/27 (25.9)
0.05