None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1, Aged 18-70 years, no gender limitation; 2. Patients receiving conventional thoracoscopic right lung resection; 3. ASA grade I to III; 4. Clearly understand and voluntarily participate in the study, and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Have a history of pulmonary surgery; 2. Severe double-lumen bronchial displacement occurred during the operation; 3. Patients who regularly take ACEI or ARB, calcium channel antagonists and nitrates; 4, FEV1/FVC<60%, cardiopulmonary exercise experiment, maximum oxygen consumption <10ml/(kg.min).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Arterial oxygen partial pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pulse oxygen saturation;The number of cases in which the operation was suspended to restore ventilation in both lungs;The number of postoperative pulmonary complications;The situation of chest X-ray one month after surgery; | — |
Countries
China
Contacts
Department of Anesthesiology, the First Affiliated Hospital of Dalian Medical University