Video Double-Lumen Tube for Secondary Pulmonary Resection

Exclusion Criteria

• •Preoperatively predicted difficult airway (Mallampati ≥ III, Cormack-Lehane ≥ III).
• •Acute respiratory distress syndrome (ARDS) or respiratory failure within the past 3 months.
• •Uncontrolled asthma.
• •Confirmed pregnancy or current breastfeeding.
• •Multiple traumatic injuries.
• •Current participation in another clinical trial.
• •Other conditions deemed unsuitable by the investigator.