hypotension after induction of general anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who plan to undergo abdominal surgery Patients who plan to undergo abdominal surgery; ASA ?-? level; 18-65 years old; Complete breath holding test before operation (up to 30s)
Exclusion criteria
Exclusion criteria: Patients with severe hypertension and cardiovascular and cerebrovascular diseases; Preoperative severe arrhythmia and cardiac insufficiency; Chronic obstructive emphysema, respiratory insufficiency; Preoperative hemodynamic disturbance, hydroelectrolyte imbalance, renal insufficiency
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| blood pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| perfusion index; | — |
Countries
China
Contacts
Affiliated Cancer Hospital of Nanjing Medical University (Jiangsu Cancer Hospital)