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Heated humidified high flow nasal cannula (HHHFNC) therapy is becoming increasingly used in preterm infants and there is evidence that it can provide some degree of respiratory support.1 2 We designed a prospective, randomised, open pilot study to assess the safety and feasibility of using HHHFNC therapy in infants with bronchiolitis.
We recruited infants with a clinical diagnosis of moderately severe bronchiolitis. Following parental informed consent, infants were randomised to head-box oxygen or the Vapotherm 2000i (Vapotherm Inc, Stevensville, Maryland, USA). Initial vapotherm flow was 4 l/min with 100% oxygen and was increased up to 8 l/min if tolerated. Oxygen concentration was adjusted in both groups to achieve target pulse …
Funding Two vapotherm devices were provided free of charge by the distributing company. There was no other funding for this study.
Competing interests None.
Ethics approval This study was approved by the North Bristol and Somerset Ethics Committee.
Provenance and peer review Not commissioned; externally peer reviewed.