Firstly, I would like to inform that we do not use it regularly/routinely.
Secondly, I would like to draw your attention to the fact that the evidence for BIS use in critically ill patients in the ICU is not very strong. Clinical Assessments and validated assessment tools (different scales) has shown an equal role in non-paralyzed mechanically ventilated patients. (Article BIS monitoring versus clinical assessment for sedation in me...
Furthermore, the use of BIS alone cannot also be recommended (Article Revisiting Bispectral Index Monitors in the Medical ICU: A Review