abdominal laparoscopic surgery
Conditions
Interventions
Group 1 :Inhaled oxygen concentration 100%
Sponsors
The First Affiliated Hospital of Zhengzhou University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Automatically recruit patients > 18 years old who received general anesthesia; 2. The time required for the operation is > 120 minutes in the supine position for selective laparoscopic abdominal surgery intervention; 3. The physical condition of the patients under general anesthesia is ASAII class.
Exclusion criteria
Exclusion criteria: 1. The exclusion criteria involve patients undergoing non-abdominal laparoscopic surgery, surgery involving lung mechanical or surgical manipulation; 2. Patients with chronic lung diseases, or patients with previous lung diseases such as chronic obstructive pulmonary disease (COPD), obstructive sleep apnea syndrome, tuberculosis or cardiopulmonary disease were excluded from the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lung ultrasonography;Arterial blood gas analysis; | — |
Secondary
| Measure | Time frame |
|---|---|
| Body mass index; | — |
Countries
China
Contacts
Public ContactJingjing Yuan
The First Affiliated Hospital of Zhengzhou University
Outcome results
None listed