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Since intrathecal fentanyl is known to sedation effect, intrathecal fentanyl will result in lowering propofol requirement for conscious sedation under spinal anesthesia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| fentanyl | Active Comparator |
| |
| saline | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| propofol | Drug | 1.1 mcg/ml for initial effect site concentration during spinal anesthesia (The effect site concentration will be changed at each subject by Dixon's up-and-down method.) |
| Measure | Description | Time Frame |
|---|---|---|
| Cerebral state index | every 1 minute(up to 10-minute) after getting effect site concentration of propofol | 1 minute |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tae-Dong Kwon, MD, Ph.D | Severance Hospital, Department of Anesthesia and Pain Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Severance Hospital | Seoul | 120-752 | South Korea |
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|
| ID | Term |
|---|---|
| D015742 | Propofol |
| ID | Term |
|---|---|
| D010636 | Phenols |
| D001555 | Benzene Derivatives |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |
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