Hypotension after induction of general anesthesia
Conditions
Interventions
Control group:An initial dose of 0 µg/kg norepinephrine was used.Subsequently, continue to pump 0 µg/kg.min of norepinephrine.
Norepinephrine group:An initial dose of 0.1 µg/kg norepinephrine was used.Subsequently, continue to pump 0.05 µg/kg.min of norepinephrine.
Sponsors
Qilu Hospital of Shandong University(Qingdao)
Eligibility
Sex/Gender
All
Age
65 Years to 79 Years
Inclusion criteria
Inclusion criteria: Age: 65-79 years old; ASA:I-III; Patients undergoing general anesthesia
Exclusion criteria
Exclusion criteria: Uncontrolled hypertension; Ejection fraction<40%; Arrhythmias that require treatment; Unstable coronary heart disease; The patient refused to participate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypotension after induction of general anesthesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure; mean arterial pressure;stroke volume;Stroke Volume Variation;perfusion index; operative time;heart rate;SpO2;Bradycardia;rescue drugs requirements;Atropine requirements; | — |
Countries
China
Contacts
Public ContactJianjun Li
Qilu Hospital of Shandong University(Qingdao)
Outcome results
None listed