pulmonary nodule
Conditions
Interventions
Laryngeal mask group:The procedure was performed by the same anesthesiologist proficient in both laryngeal mask airway and double-lumen endotracheal tube insertion techniques. The laryngeal mask airwa
Double-lumen Tracheal Tube Group:The procedure was performed by the same anesthesiologist proficient in both laryngeal mask airway and double-lumen endotracheal tube insertion techniques. The double-l
Sponsors
Guangyuan First People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1 The patient is in good mental status with unimpaired communication, has provided informed consent, is aged 18–75 years, and gender is not restricted. 2 American Society of Anesthesiologists (ASA) physical status classification I–III, body mass index (BMI) 18–30 kg/m². 3 No history of allergy to anesthetic agents. 4 Scheduled for non-complex thoracoscopic surgery, including bullae resection, wedge resection, or lobectomy (see exclusion criteria for details). 5 Operative duration >1 hour and <=4 hours.
Exclusion criteria
Exclusion criteria: 1 Refusal to participate in this study. 2 Pre-existing coagulation disorders, hypoxemia, hypercapnia, or severe hemoptysis. 3 Acute pulmonary infection or active pulmonary tuberculosis. 4 Excessive airway secretions, high risk of aspiration/reflux, or severe pharyngeal pathology (edema, hematoma, hemorrhage, abscess, tumor). 5 Difficult airway, existing airway obstruction, or intraoperative conditions that would impede immediate endotracheal intubation. 6 Spinal deformity or cerebral edema. 7 Phrenic nerve paralysis. 8 New York Heart Association (NYHA) functional class III or IV. 9 Patient refusal or contraindications to regional nerve blockade. 10 Preoperative chest CT indicating extensive pleural adhesions, or moderate to massive pleural effusion. 11 Surgical procedure involving vascular reconstruction. 12 Other conditions deemed by the investigator to make the patient unsuitable for trial participation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| SpO2 nadir;EtCO2 peak; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic parameters;Blood Gas Analysis;Lung collapse adequacy;Incidence of Postoperative Pulmonary Complications (PPCs);Lung collapse time;Overall surgeon satisfaction;Incidence of other perioperative adverse reactions;Total anesthesia cost; | — |
Countries
China
Contacts
Public ContactLi Zhang
Guangyuan First People's Hospital
Outcome results
None listed