hypotension
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Laparoscopic gynecologic surgery was performed under general anesthesia, ASA I-III, age > 60 years, 18<=BMI <=35
Exclusion criteria
Exclusion criteria: 1.Heart Disease (EF<50%) ; conduction block; arrhythmia; metabolic equivalent<4 2. High blood pressure that can not be controlled by drugs such as ACEI or ARB 3.For any study drug allergy patients 4.Patients suspected of difficult intubation were excluded from preoperative evaluation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total consumption of norepinephrine; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure;cardiac output;side effects; | — |
Countries
China
Contacts
Jiaxing Matemal and Child Health Hospital