Patients with a definite clinical diagnosis of gastric tumors
Conditions
Interventions
pcv-vg ventilation group:The ventilation mode was changed to PCV-VG ventilation mode
VCV ventilation group:Ventilation is performed in VCV mode
Sponsors
Affiliated Hospital of North Sichuan Medical College
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. BMI18~30kg/m^2, age over 65 years old, and plan to need ductus arteriosus placement in the upper limb or lower limb under general anesthesia; 2. Patients undergoing laparoscopic radical gastrectomy; 3. American Society of Anesthesiologists (ASA) grades I-III; 4. Patient signs informed consent.
Exclusion criteria
Exclusion criteria: 1. Presence of relevant contraindications to drug use; 2. Presence of a history of severe psychiatric illness; 3. Severe organic lesions of other vital organs (heart, lungs, brain, kidneys). 4. Patients with acute respiratory disease, preoperative atelectasis, history of previous intrathoracic surgery, impaired cardiopulmonary status, or intraoperative non-supine position are excluded from the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lung ultrasound score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Ratio of arterial partial pressure of oxygen to FIO2;Postoperative incidence of pulmonary complications; | — |
Countries
China
Contacts
Public ContactWang Fangjun
Affiliated Hospital of North Sichuan Medical College
Outcome results
None listed