Table 2.
Patient characteristics, inferior vena cava, and superior vena cava ultrasound measurements in patients with and without postinduction hypotension
| Variables | Hypotension | P | |
|---|---|---|---|
|
| |||
| Yes | No | ||
| Age (years) | 41.2±9.65 | 41.46±9.77 | 0.88 |
| BMI | 26.62±3.18 | 26.10±2.90 | 0.35 |
| NPO (h) | 10.96±1.38 | 10.27±1.36 | 0.007 |
| Baseline HR (bpm) | 78.82±7.28 | 77.41±7.76 | 0.317 |
| Baseline MAP (mmHg) | 96.74±9.53 | 95.47±8.30 | 0.44 |
| SCV spontaneous minimum (cm) | 0.549±0.15 | 0.686±0.16 | 0.0001 |
| SCV spontaneous maximum (cm) | 0.72±0.17 | 0.85±0.18 | 0.001 |
| SCV spontaneous CI (%) | 24.27±5.28 | 19.54±6.47 | 0.001 |
| SCV deep minimum (cm) | 0.45±0.12 | 0.65±0.15 | 0.0001 |
| SCV deep maximum (cm) | 0.77±0.18 | 0.89±0.19 | 0.0005 |
| SCV deep CI (%) | 42.21±6.31 | 26.30±7.80 | 0.0001 |
| IVC minimum (cm) | 1.11±0.17 | 1.48±0.35 | 0.0001 |
| IVC maximum (cm) | 1.88±0.26 | 1.93±0.39 | 0.419 |
| IVC CI (%) | 40.44±3.58 | 23.32±9.42 | 0.0001 |
| Propofol (mg.kg−1) | 1.69±0.18 | 1.71±0.19 | 0.64 |
Values are mean±SD. BMI=Body mass index, NPO=Nil per oral, HR=Heart rate, BPM=Beats per minute, MAP=Mean arterial pressure, SCV=Subclavian vein, IVC=Inferior vena cava, CI: Collapsibility index, SD=Standard deviation