General surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA status I-II; aged 18-65 years old male and femal; BMI1825kg/m2; esophagealvarices grade G3.
Exclusion criteria
Exclusion criteria: Opioid drug allergy, use of monoamine oxidase inhibitor for a long time, severe hepatic and kidney disease, coagulopathy, bronchial asthma, chronic obstructive pulmonary diseases, pulmonary heart disease, intracranial hypertension, and inability to comprehend study-related procedures.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Respiratory depression; | — |
Secondary
| Measure | Time frame |
|---|---|
| Limb movements;Hypotension; | — |
Contacts
Beijing YouAn Hospital, Capital Medial University