Table 1. Clinical indications and background.

Patient number	Clinical indications	Emergency setting	Haemodynamic shock	Associated morbidities
1	Pulmonary haemorrhage	Yes	Yes	Descending aorta surgery
2	Pulmonary haemorrhage	Yes	Yes	Descending aorta surgery
3	Perioperative ARDS and Bleeding, Sepsis	Yes	Yes	Endocarditis, pulmonary oedema
4	Pulmonary contusion	Yes	No	Coronary artery disease, elderly
5	Tracheal stents	No	No	Previous pneumectomy
6	Pulmonary haemorrhage	Yes	Yes	Multiple trauma