pulmonary nodule
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ?ASA of?-?; ? Age 60-90 years old; ? Patients undergoing thoracoscopic lobectomy or cuneiform resection under general anesthesia and the operation time is expected longer than 3 hours; ? Signed the informed consent form.
Exclusion criteria
Exclusion criteria: ? History of surgical operations under general anesthesia within one month before surgery; ? Patients with severe respiratory diseases, including COPD and respiratory failure before surgery; ? Pulmonary infection within one month before surgery; ? Patients with serious heart disease and heart failure before operation; (5) Patients with severe hepatic and renal insufficiency before operation; ? History of mental illness; ? Patients who refused to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Chao1 diversity index;Ace diversity index;Sobs diversity index;Shannon’s index;InvSimpson index; | — |
Secondary
| Measure | Time frame |
|---|---|
| The species of intestinal flora;The plasma concentrations of TNF-a ;the plasma concentrations of IL-6;the plasma concentrations of IL-10;the plasma concentrations of CRP;the plasma concentrations of LPS;the plasma concentrations of HMGB1; | — |
Countries
China
Contacts
Department of Anesthesiology, Xuanwu Hospital, Capital Medical University