None
Conditions
Interventions
Experimental group:One-lung ventilation management using a video-imaging single-lumen tracheal tube with bronchial blocker
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Inclusion Criteria: 1. Patients scheduled for elective video-assisted thoracic surgery. 2. Aged between 18 and 80 years. 3. Requiring one-lung ventilation for >30 minutes during elective surgery. 4. American Society of Anesthesiologists (ASA) physical status classification I–III. 4. Provision of written informed consent.
Exclusion criteria
Exclusion criteria: 1. History or prediction of difficult airway, including: history of head and neck malignancy or radiotherapy, known history of difficult intubation, modified Mallampati class III–IV, mouth opening 35 kg/m²). 3. Preoperative imaging suggesting subglottic anatomical abnormalities. 4. Patients with obstructive ventilatory impairment (FEV1 <50% predicted) or restrictive ventilatory impairment (FEV1 <75% predicted). 5. Previous ipsilateral thoracic surgery or pleurodesis. 6. Presence of pulmonary infection, bronchial tumor, or tracheostomy. 7. Requirement for postoperative transfer to the ICU with an indwelling tracheal tube.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The VAS score for sore throat before leaving the operating room/post-anesthesia care unit;the VAS score for sore throat at 24 hours postoperatively;the VAS score for sore throat at 48 hours postoperatively; | — |
Secondary
| Measure | Time frame |
|---|---|
| the time required to achieve lung isolation;Lung collapse score at 10 minutes after one-lung ventilation initiation;Lung collapse score at 20 minutes after one-lung ventilation initiation;Malposition Rate;Number of intubation attempts;Success rate of first-attempt intubation;Arterial partial pressure of oxygen (PaO2) at 20 minutes after one-lung ventilation initiation;Incidence of hypoxemia (SpO2 <90%) during one-lung ventilation;Airway plateau pressure at 20 minutes after one-lung ventilation initiation;Airway injury;Arterial partial pressure of carbon dioxide (PaCO2) at 20 minutes after one-lung ventilation initiation;Airway peak pressure (after suctioning) at 20 minutes after one-lung ventilation initiation;Heart rate before anesthesia induction (T0);Heart rate after anesthesia induction but before intubation (T1);Heart rate immediately after successful tube positioning (T2);Mean arterial pressure before anesthesia induction (T0);Mean arterial pressure after anesthesia induction but before intubation (T1);Mean arterial pressure immediately after successful tube positioning (T2);Presence of hoarseness before leaving the post-anesthesia care unit/operating room;Presence of hoarseness at 24 hours postoperatively;Presence of hoarseness at 48 hours postoperatively;QoR-15 score at 24 hours postoperatively;QoR-15 score at 48 hours postoperatively;QoR-15 score at 30 days postoperatively;VAS score for sore throat at 30 days postoperatively; | — |
Countries
China
Contacts
Public ContactHan Yongzheng
Peking University Third Hospital
Outcome results
None listed