Atelectasis
Conditions
Interventions
Observation group:None
Sponsors
The affiliated hospital of southwest medical university
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Age >=18 years and <=80 years; 2. Underwent video-assisted thoracoscopic surgery (VATS) lung resection at the Affiliated Hospital of Southwest Medical University (including lobectomy, segmentectomy, wedge resection, etc.); 3. Completed preoperative pulmonary function testing, including key parameters such as FVC, FEV1, and FEV1/FVC; 4. Underwent chest CT within 1 month before surgery, with complete imaging data available for 3D quantitative analysis; 5. Completed preoperative electrical impedance tomography (EIT) with complete derived indices recorded; 6. Underwent chest CT within 2 days after surgery, with imaging sufficient to determine the presence or absence of atelectasis; 7. Complete clinical records available for review, including medical charts, operative notes, and laboratory results.
Exclusion criteria
Exclusion criteria: 1. Emergency surgery; 2. Pre-existing atelectasis or clinically significant pulmonary conditions that may substantially affect pulmonary function and imaging assessment (e.g., severe pulmonary infection, pleural effusion, pneumothorax); 3. Severe dysfunction of major organs such as the heart, liver, or kidneys; 4. Psychiatric disorders, cognitive impairment, or other conditions preventing completion of the relevant examinations; 5. Missing clinical records, imaging data, or test results that fail to meet analysis requirements; 6. Conversion to open thoracotomy during surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative atelectasis (CT confirmed); | — |
Secondary
| Measure | Time frame |
|---|---|
| Different surgical methods;Different types of pulmonary atelectasis;Sensitivity, specificity, positive predictive value, and negative predictive value; | — |
Countries
China
Contacts
Public ContactYingying Zhang
The affiliated hospital of southwest medical university
Outcome results
None listed