Pediatric anesthesia & critical care

Critical Events in Anaesthetised Kids Undergoing Tracheal Intubation (CRICKET)—study protocol for an international multicentre prospective observational study

BJA OpenPublished Study protocol for a prospective observational cohort study

Study context

Population
Paediatric patients aged 0–16 yr requiring tracheal intubation by the anaesthesia team for procedures or interventions requiring GA, planned or unplannedtarget 105,000
Primary endpoint
Incidence of critical events associated with tracheal intubation in children
Methodological detailsinternational, multicentre, Started January 2024, ongoing; around 25 000 patients entered by May 2025, estimated 50 000 by end of 2025, Each centre collects data over a consecutive 3-month observational period; follow-up after a critical event until discharge or up to 30 days
  • International
  • Multicentre
  • Started January 2024, ongoing; around 25 000 patients entered by May 2025, estimated 50 000 by end of 2025
  • Each centre collects data over a consecutive 3-month observational period; follow-up after a critical event until discharge or up to 30 days

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Critical Events in Anaesthetised Kids Undergoing Tracheal Intubation (CRICKET)—study protocol for an international multicentre prospective observational study. BJA Open. Published 7 February 2026. doi:10.1016/j.bjao.2025.100523

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