EEG and Pain Monitor Data Under Anesthesia to Study Pharmacodynamic Effects of Opioids and Sedatives
Conditions
- Sedation and Analgesia
- Cholangiopancreatography, Endoscopic Retrograde
- Anesthesia, General
Interventions
- DRUG: high dose of alfentanil
- DRUG: low dose of alfentanil with propofol
Sponsor
Chi Kwan Fung
Collaborators
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