To Explore the Optimal Dose of Alfentanil for Skull Pin Fixation in Intracranial Surgery
Phase 4
Not yet recruiting
- Conditions
- Procedural Pain
Recruitment & Eligibility
- Status
- Not yet recruiting
- Sex
- All
- Target Recruitment
- Not specified
Inclusion Criteria
Inclusion Criteria:<br><br> - Must be at least 18 years old and less than 80 years old<br><br> - With anesthesia risk grade below grade three (including grade three) (ASA I~III)<br><br> - Patients who are expected to undergo intracranial surgery for skull pin fixation<br><br>Exclusion Criteria:<br><br> - Those with anesthesia risk classification ASA class IV or higher<br><br> - Those who are allergic to alfentanil or propofol drugs<br><br> - Emergency patients
Exclusion Criteria
Not provided
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 50% effect concentration of alfentanil;95% effect concentration of alfentanil
- Secondary Outcome Measures
Name Time Method