Table 1 Baseline demographic, types of surgery, anesthetic details, hemodynamic data, and preoperative carotid artery ultrasound measurements between the hypotension and non-hypotension groups
Parameter | Hypotension (n = 63) | Non-hypotension (n = 36) | P |
|---|---|---|---|
Age (years) | 69 [66 to 71] | 68 [66 to 71] | 0.842 |
Male/female | 42/21 | 23/13 | 0.828 |
BMI (kg/m2) | 22.1 ± 2.3 | 23.0 ± 3.2 | 0.141 |
Smoker (%) | 26 (41.3%) | 11 (30.6%) | 0.289 |
ASA physical status, I/II | 54/9 | 34/2 | 0.319 |
Thoracic surgery | 21 (33.3%) | 7 (19.4%) | 0.168 |
General surgery | 38 (60.3%) | 25 (69.4%) | 0.394 |
Gynecological surgery | 2 (3.2%) | 1 (2.8%) | 0.912 |
Otolaryngologic surgery | 1 (1.6%) | 1 (2.8%) | 0.685 |
Orthopedic surgery | 1 (1.6%) | 2 (5.6%) | 0.299 |
Fluid volume before induction (ml) | 234 ± 33 | 243 ± 33 | 0.216 |
Midazolam (mg) | 2.3 ± 0.3 | 2.3 ± 0.3 | 0.215 |
Sufentanil (ug) | 22.5 ± 3.1 | 23.3 ± 3.1 | 0.215 |
Etomidate (mg) | 16.9 ± 2.4 | 17.5 ± 2.3 | 0.215 |
Baseline MAP (mmHg) | 94 ± 10 | 92 ± 10 | 0.534 |
Lowest MAP (mmHg) | 64 ± 7 | 77 ± 8 | < 0.001 |
Decrease in MAP (%) | 30.90 ± 6.5 | 16.6 ± 3.8 | < 0.001 |
Baseline HR (bpm) | 74 ± 7 | 76 ± 10 | 0.437 |
Lowest HR (bpm) | 62 ± 7 | 63 ± 7 | 0.494 |
Decrease in HR (%) | 16.7 ± 9.0 | 15.9 ± 12.9 | 0.693 |
BIS (at lowest MAP) | 53 ± 2 | 52 ± 3 | 0.125 |
Carotid artery FTc (ms) | 355.5 ± 22.9 | 386.3 ± 19.0 | < 0.001 |
ΔVpeak (%) | 7.8[5.5 to 10.6] | 5.9[4.4 to 8.0] | 0.006 |