Clinical Trials Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Feb 26, 2021; 9(6): 1293-1303
Published online Feb 26, 2021. doi: 10.12998/wjcc.v9.i6.1293
Table 1 Baseline clinical characteristics of the study participants

Propofol group (n = 40)
Etomidate group (n = 40)
P value
Male sex, n (%)21 (52.5%)23 (57.5%)0.651
Age (years), mean ± SD56.7 ± 6.653.6 ± 6.10.452
Weight (kg), mean ± SD64.6 ± 12.566.4 ± 16.30.084
Height (cm), mean ± SD165.7 ± 11.9163.4 ± 13.30.732
Type of surgery, n (%)
Gastrointestinal 26 (65.0%)23 (57.5%)0.946
Hepatobiliary 8 (20.0%)10 (25.0%)0.783
Thyroid 6 (15.0%)7 (17.5%)0.562
Table 2 Incidences of cardiovascular events during anesthesia

Propofol group (n = 40)
Etomidate group (n = 40)
P value
Bradycardia, n (%)11 (27.5%)3 (7.5%)0.037
Tachycardia, n (%)1 (2.5%)3 (7.5%)0.615
Hypotension, n (%)17 (42.5%)4 (10.0%)0.027
ST-T segment changes, n (%)8 (20.0%)2 (5.0%)0.029
Ventricular premature beats, n (%)11 (27.5%)3 (7.5%)0.041
Table 3 Comparison of hemodynamic parameters between groups

Before anesthesia induction
3 min after anesthetic injection
Just after tracheal intubation
3 min after tracheal intubation
5 min after tracheal intubation
Heart rate (beats/min)
Propofol group82.6 ± 9.158.9 ± 7.166.5 ± 9.763.2 ± 6.768.9 ± 8.8
Etomidate group79.0 ± 7.371.3 ± 9.376.5 ± 6.971.3 ± 6.476.8 ± 5.2
P value0.2230.0120.0440.2530.072
SBP (mmHg)
Propofol group132.7 ± 12.489.4 ± 16.3100.2 ± 13.193.1 ± 17.4103.8 ± 13.2
Etomidate group129.6 ± 17.2100.3 ± 19.3117.5 ± 12.9112.3 ± 16.4121.5 ± 15.3
P value0.8130.0410.1120.2140.712
DBP (mmHg)
Propofol group76.7 ± 18.762.9 ± 16.372.1 ± 16.768.6 ± 17.270.9 ± 18.4
Etomidate group79.0 ± 16.173.0 ± 16.490.8 ± 20.291.2 ± 16.382.2 ± 15.4
P value0.600.0090.0080.020.01
MAP (mmHg)
Propofol group92.6 ± 18.768.9 ± 16.176.5 ± 16.586.2 ± 18.280.8 ± 18.2
Etomidate group95.1 ± 17.280.2 ± 16.796.3 ± 22.593.5 ± 16.489.8 ± 15.5
P value0.690.0070.0430.0120.018
Table 4 Comparison of vasopressor use between groups
Ephedrine use (mg)
Phenylephrine use (μg)

Induction
Maintenance
Induction
Maintenance
Propofol group7.0 ± 1.69.8 ± 3.217.5 ± 3.815.1 ± 1.6
Etomidate group3.1 ± 2.02.6 ± 1.16.2 ± 1.37.5 ± 2.1
P value< 0.001< 0.001< 0.001< 0.001
Table 5 Comparison of bispectral index values between groups

Before anesthesia induction
3 min after anesthetic injection
Just after tracheal intubation
3 min after tracheal intubation
5 min after tracheal intubation
Propofol group97.0 ± 1.7 46.9 ± 2.147.5 ± 1.546.2 ± 1.246.8 ± 1.8
Etomidate group97.4 ± 1.2047.2 ± 1.746.5 ± 1.544.3 ± 1.445.0 ± 1.3
P value0.910.290.380.320.43