gastrointestinal disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients undergoing gastrointestinal surgeries; 2. Aged 60 to 80 years old male or female; 4. ASA grade I-II.
Exclusion criteria
Exclusion criteria: 1. Overweight (BMI=30); 2. Acid-base balance electrolyte disorder and shock patients; 3. Severe valvular disfunction, heart failure, arrhythmia; 4. Vascular disease and nervous system diseases, Hepatic and renal insufficiency; 5. Patients suffering COPD; 6. Mental disorder; 7. Vasoactive drug history; 8. below the junior secondary school level, Refuse to participate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| quality of recovery score (QoR40);blood pressure;Central vein diameter; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood gas; | — |
Countries
China
Contacts
The Affiliated Hospital of Yangzhou University