Table 4.
Monitoring.
| Site | Percentage |
|---|---|
| Dedicated patient monitor (slave screen) | |
| Always | 73.1 |
| Nearly always | 11.9 |
| Sometimes | 3.9 |
| Never | 11.1 |
| Closed circuit television/mirror for surgical field vision | |
| Always | 17.1 |
| Nearly always | 6.9 |
| Sometimes | 19.8 |
| Never | 56.2 |
| Trans-cranial doppler | |
| Sometimes | 9.1 |
| Never | 90.9 |
| Bispectral index monitor | |
| Always | 12 |
| Nearly always | 24.9 |
| Sometimes | 17.6 |
| Never | 45.2 |
| Regional cerebral oximetry | |
| Sometimes | 25.7 |
| Never | 74.3 |
| Activated clotting time | |
| Always | 100 |
| Heparin concentration | |
| Always | 5.3 |
| Nearly always | 0 |
| Sometimes | 9.5 |
| Never | 85.2 |
| Thromboelastograph | |
| Always | 2.3 |
| Nearly always | 1.4 |
| Sometimes | 16.1 |
| Never | 80.2 |
| Superior vena cava/jugular pressure | |
| Always | 70 |
| Nearly always | 9.4 |
| Sometimes | 15.6 |
| Never | 5.1 |
| Left atrial pressure/pulmonary artery pressure | |
| Always | 39.2 |
| Nearly always | 26.6 |
| Sometimes | 32.9 |
| Never | 1.3 |
| Electroencephalogram | |
| Always | 2 |
| Nearly always | 0 |
| Sometimes | 2.3 |
| Never | 95.7 |