“…There are a number of reports of its use in other clinical scenarios, namely, as a bridge to transplant, 11,25 in combined head and chest injury, 7,8,26 in near fatal asthma, [27][28][29] as an aid to weaning from mechanical ventilation, 12,30 to facilitate thoracic surgery 19,22,31 and to facilitate transfer. 32,33 However, these are all case reports or very small case series and as such do not provide any definitive evidence of benefit.…”