Pancreaticobiliary duct disease
Conditions
Interventions
Alfentanil group:Alfentanil 0.25 µg / kg / min was given after loss of consciousness ( OAA / S = 2 ).
The continuous infusion concentration of alfentanil was determined by half-effect sequential meth
Sponsors
Weifang People 's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1, super-aged ( > 85 years old ) patients undergoing ERCP. 2, ASA grade 2 or 3.
Exclusion criteria
Exclusion criteria: 1.Patients who do not meet the inclusion criteria and are mistakenly included ; 2.Patients with blood pressure fluctuations more than 20 % after admission, or re-intubation / intubation time is too long, or no follow-up records ; 3.Patients take unspecified drug combinations, especially drugs that have a greater impact on clinical outcomes, efficacy and safety. 4.Patients with severe cardiovascular and cerebrovascular diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Alfentanil EC50; | — |
Secondary
| Measure | Time frame |
|---|---|
| Perioperative cognitive function; | — |
Countries
China
Contacts
Public ContactYanhua Luo
Weifang People 's Hospital
Outcome results
None listed