Bispectral Index Monitoring of Sedation During Endoscopic Retrograde Cholangiopancreaticography

Bispectral Index Monitoring as an Adjunct to Standard Monitoring of Sedation During Endoscopic Retrograde Cholangiopancreaticography

This randomized study investigates the benefits of an additional Bispectral Index monitoring of depth of sedation during endoscopic retrograde cholangiopancreaticography. A bispectral index (BIS) monitor is a neurophysiological monitoring device which continually analyses a patient's electroencephalograms during general anaesthesia to assess the level of consciousness during anaesthesia.

Inclusion Criteria:

• Indication for ERCP (Endoscopic Retrograde Cholangiopancreatography) with midazolam and propofol sedation

Exclusion Criteria:

• Missing informed consent
• ASA V
• Preexisting neurological deficit
• Known pregnancy
• Hypotension (RRsys<90mmHg), bradycardia (HR<50/min), hypoxia (SaO2<90%)