From: Effect of quadratus lumborum block on postoperative cognitive function in elderly patients undergoing laparoscopic radical gastrectomy: a randomized controlled trial
Group
N
t0
t1
t2
MAP
Q
30
96.8±11.3
97.6±13.3#
96.4±10.9
C
29
97.8±12.2
105.8±11.6*
99.3±11.5
HR
69.1±9.9
72.2±12.9
66.4±11.0
67.6±10.7
76.3±15.1*
68.9±12.5