Patient characteristics | No preoperative β-blocker (n = 76) | Preoperative β-blocker (n = 137) | P-value |
---|---|---|---|
Age (yrs) | 68.2 (11.8) | 65.7 (10.2) | 0.11 |
Weight (kg) | 84.8 (17.0) | 84.4 (18.3) | 0.87 |
Height (cm) | 175.0 (9.5) | 173.4 (8.1) | 0.22 |
BMI (kg/m2) | 27.7 (4.9) | 28.0 (5.5) | 0.66 |
ASA Status (mode) | III | III | - |
Sex (male/female) | 76/0 | 137/0 | - |
Duration for pre surgical incision period (mins) | 70.6 (21.9) | 59.1 (28.0) | 0.007 |
Duration for entire surgical case (mins) | 195.2 (104.4) | 163.4 (77.6) | 0.016 |
Pre-surgical incision medications | |||
Fentanyl equivalents (mcg) | 90 (158) | 54 (64) | 0.02 |
Midazolam (mg) | 2 (1.4) | 1.7 (0.6) | 0.02 |
Propofol (mg) | 51.8 (60) | 110 (94) | 0.21 |
Etomidate (mg) | 15.7 (6.3) | 17.2 (5.5) | 0.69 |
Labetalol(mg) | 5 (0)* | 35 (28.2) | < 0.001 |
Metoprolol (mg) | 3 (0)* | 2.7 (2.1) | < 0.001 |
Esmolol (mg) | ** | 30 (0)* | - |
Ephedrine (mg) | 10 (7.7) | 9.5 (4.9) | 0.87 |
Phenylephrine (mcg) | 258 (142) | 160 (69) | 0.30 |