1.
PPC | Criterion |
CT: computed tomography; CR: computed radiography; ARDS: acute respiratory distress syndrome; SpO2: oxygen saturation. | |
Postoperative pneumonia |
① Fever as seen by raised oral temperature of >38 ℃ in the postoperative 72 h; or temperature rise again after 72 h; ② High WBC count (open >15×109, VATS >12×109) or rises again over 72 h; |
③ Increasing consolidation of the lung or patchy shadows in CT/CR image(s); | |
④ Positive signs of infection on sputum microbiology. | |
Pulmonary embolism | ① Pulmonary artery angiography showing embolism; |
② Dyspnea or SpO2 < 90%; remission after using anticoagulant. | |
Chylothrax | ① Raily drainage volume >500 mL, and the last 3 d or more; |
② Time of fasting≥5 d; | |
③ Requiring surgical treatment. | |
Aerodermectasia | ① Persisting >15 d, exceeding over half chest wall; |
② requiring subcutaneous incision or surgical treatment. | |
Hemoptysis | ① Persisting >3 d and inefficacy of pharmacological treatment; |
② Requiring surgical treatment. | |
Voice hoarse | ① Choking cough with drinking; |
② Plicavocalis paralysis or dislocation of cricoarytenoid joint. | |
Bronchopleural fistula | Bronchofiberscope showing bronchopleural fistula. |
Air leak | ① Persisting >15 d; |
② Needing interventions like re-indwelling drainage tube; | |
③ Vacuum suction (>7 d), or surgical treatment. | |
Pleural effusion/ pneumothorax | ① Drainage time >15 d, ordyspneic; |
② Requiring re-indwelling drainage tube. | |
Atelectasis | ① Atelectasis/consolidation in CT/CR image(s); |
② Presenting dyspnea or SpO2 < 90% on room air. | |
ARDS/Respiratory failure | Needing trachea cannula and/or ventilator maintenance or intensive care. |