Remimazolam benzenesulfonate anesthesia effectiveness in cardiac surgery patients under general anesthesia

Table 2 Comparison of the hemodynamic parameter between the two groups (mean ± SD)

Indicators	T0	T1	T2	T3
HR (times/min)
Remimazolam group (n = 40)	76.7 ± 7.1	68.3 ± 6.5	66.8 ± 5.9	78.8 ± 6.6
Propofol group (n = 40)	78.2 ± 7.7	66.7 ± 6.7	65.1 ± 6.0	80.5 ± 7.3
t value	-0.906	1.091	1.278	-1.093
P value	0.368	0.279	0.205	0.278
MAP (mmHg)
Remimazolam group (n = 40)	98.4 ± 5.3	88.3 ± 4.7	86.7 ± 4.2	102.1 ± 4.8
Propofol group (n = 40)	99.6 ± 4.7	86.0 ± 4.4	83.8 ± 4.5	103.8 ± 4.2
t value	-1.071	2.259	2.980	-1.686
P value	0.287	0.027	0.004	0.096
CI (L/min·m2)
Remimazolam group (n = 40)	3.67 ± 0.62	3.52 ± 0.52	3.58 ± 0.48	3.57 ± 0.53
Propofol group (n = 40)	3.80 ± 0.60	3.40 ± 0.48	3.51 ± 0.50	3.65 ± 0.49
t value	-0.953	1.072	0.639	-0.701
P value	0.344	0.287	0.525	0.485
SVI (mL/m2·bpm)
Remimazolam group (n = 40)	47.83 ± 5.81	43.80 ± 5.26	41.94 ± 5.57	45.80 ± 5.16
Propofol group (n = 40)	49.20 ± 5.63	40.38 ± 4.95	38.53 ± 4.86	43.73 ± 5.57
t value	-1.071	2.995	2.918	1.724
P value	0.287	0.004	0.005	0.089

CI: Cardiac index; HR: Heart rate; MAP: Mean arterial pressure; SVI: Volume per wave index; T0: Pre-anesthesia induction; T1: After endotracheal intubation; T2: When the sternum was cut off; T3: When the machine was shut down.