Wedge resection / segmentectomy / lobectomy of the lung, bullectomy
Conditions
Interventions
Group D (DLT Group): Double-lumen endotracheal intubation + nerve block + one-lung ventilation under controlled respiration:After induction, insert a double-lumen tube and maintain respiratory control
Group S (LMA-SP Group): Visual laryngeal mask + nerve block + spontaneous respiration preservation (no muscle relaxant or only used during induction):Intraoperatively, lung collapse is facilitated by
Group O (LMA-OLV Group): Visual laryngeal mask + nerve block + one-lung ventilation under controlled respiration after lung collapse:After the establishment of artificial pneumothorax and sufficient c
Sponsors
The First People's Hospital of Guangyuan City
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-75 years, ASA III class, BMI 18-30 kg/m²; 2.Planned elective single-port or single-incision VATS surgery (pulmonary wedge/segment/lobectomy, pulmonary bullae resection); 3. Signed informed consent form.
Exclusion criteria
Exclusion criteria: 1.High risk of difficult airway or regurgitation and aspiration; 2.Severe respiratory insufficiency (resting hypoxemia or hypercapnia); 3.Severe cardiovascular disease (NYHA Class III–IV); 4.Coagulation dysfunction; 5.Anticipated extensive pleural adhesions or massive pleural effusion; 6.Mental or communication disorders; 7.Considered inappropriate by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| Ventilation and oxygenation indicators; | — |
Countries
China
Contacts
Public ContactZhangli
The First People's Hospital of Guangyuan City
Outcome results
None listed