Table 2 Characteristics and outcomes of patients with persistent air-leak who underwent endobronchial valve treatment (N = 18)
From: Endobronchial valves for emphysema and persistent air-leak: 10-year experience in an Asian country
Characteristics | Numbers |
|---|---|
Age, years | 63.4 ± 13.1 |
Male sex | 17 (94.4) |
Body mass index, kg/m2 | 21.6 ± 4.2 |
Causes of air-leak | |
 Spontaneous secondary pneumothorax | 8 (44.4) |
 Parapneumonic effusion/empyema | 4 (22.2) |
 Lung resection surgery | 3 (16.7) |
 Bronchobiliary fistula | 1 (5.6) |
 Mechanical ventilation, underlying emphysema | 1 (5.6) |
 Unknown | 1 (5.6) |
Adverse events | |
 Hemoptysis | 2 (11.1) |
  Non-massive | 1 (5.6) |
  Massive | 1 (5.6) |
 Empyema | 1 (5.6) |
Outcomes | |
 Improvement in air-leak | 14 (77.8) |
 Time to resolution of pneumothorax on chest radiograph, days | 3 (0–19.5) |
 Time to EBV after chest tube insertion, days | 25 (10.0–49.5) |
 Time to chest tube removal after EBV insertion, days | 16.5 (4.75–33.5) |
 Total time of chest tube retention, days | 46.5 (23.3–79.0) |