TABLE 3

Complications per session

EventTotal (n=1006)Initial period (n=444)Recent period (n=562)p-value#
Overall complications113 (11.2)70 (15.8)43 (7.7)<0.001
Lung injury92 (9.1)59 (13.3)33 (5.9)<0.001
 Mild/moderate36 (3.6)13 (2.9)23 (4.1)0.394
 Severe56 (5.6)46 (10.4)10 (1.8)<0.001
Haemoptysis71 (7.1)36 (8.1)35 (6.2)0.266
Pulmonary artery perforation28 (2.8)16 (3.6)12 (2.1)0.179
Pulmonary artery dissection19 (1.9)9 (2.0)10 (1.8)0.774
NPPV49 (4.9)40 (9.0)9 (1.6)<0.001
Intubation4 (0.4)3 (0.7)1 (0.2)0.327
ECMO support3 (0.3)3 (0.7)0 (0)0.086
Renal dysfunction2 (0.2)2 (0.5)0 (0.0)0.195

Data are presented as n (%), unless otherwise stated. NPPV: noninvasive positive pressure ventilation; ECMO: extracorporeal membrane oxygenation. #: comparison between initial and recent periods.