Table 1 Inclusion and exclusion criteria for BUFFALO pilot trial
Inclusion criteria | Exclusion criteria |
|---|---|
Age > 37 weeks (corrected)–16 years (15 years + 364 days) | Choanal atresia |
Elective flexible bronchoscopy | HFNO contraindication—facial trauma, cerebrospinal fluid leak |
Consent by parent/guardian | Emergency procedure or out of hours |
Clinicians’ approval for inclusion |