Late-onset, progressive sensorineural hearing loss after severe neonatal respiratory failure.

Objectives: To determine the prevalence of sensorineural hearing loss (SNHL) at the age of 4 years among survivors of severe neonatal respiratory failure with and without congenital diaphragmatic hernia and to document the occurrence of late-onset or progressive SNHL among the survivors.

Design: Prospective, longitudinal secondary outcome study.

Setting: Multicenter Canadian study in 9 tertiary referral centers.