Table 2.
Neuromonitoring Device Utilization
| Neuromonitoring Device | Number of Institutions (%) (n = 52) |
|---|---|
| Invasive devices | |
| ICP | 52 (100) |
| Externalized ventricular drain | 51 (98) |
| Intraparenchymal monitor | 47 (90) |
| Subdural monitor | 12 (23) |
| Epidural monitor | 2 (4) |
| Brain tissue oxygenation | 10 (19) |
| Jugular venous oximetry | 1 (2) |
| Cerebral microdialysis | 1 (2) |
| Cerebral blood flow | 0 (0) |
| Noninvasive devices | |
| Electrophysiology* | 52 (100) |
| Continuous EEG | 50 (96) |
| Quantitative EEG | 20 (38) |
| Routine EEG | 36 (69) |
| Sensory evoked potentials | 12 (23) |
| Visual evoked potentials | 7 (13) |
| Depth electrodes | 2 (4) |
| NIRS | 45 (87) |
| TCD | 21 (40) |
| Continuous | 2 (10) |
| Intermittent | 21 (100) |
| Imaging US machine | 18 (86) |
| Nonimaging US machine | 5 (24) |
| Performs and interprets TCD | |
| Radiologists | 19 (90) |
| Neurologists† | 5 (24) |
| Intensivist | 5 (24) |
| Pupillometry | 17 (33) |
| Optic nerve sheath diameter | 4 (8) |
Abbreviations:
BIS = Bispectral index
cEEG = Continuous electroencephalography
EEG = Electroencephalography
ICP = Intracranial pressure
NIRS = Near-infrared spectroscopy
TCD = Transcranial Doppler
US = Ultrasound
*
1 institution reported using BIS monitor; 1 reported use Cerebell EEG when cEEG not available.
†
Adult neurointensivist at 1 institution.