P064 The Impact of Artefact-free Recording Time on the Diagnosis of Sleep Disordered Breathing

Background Overnight studies are used to diagnose sleep disordered breathing (SDB), however the minimum artefact-free recording time (AFRT) has not been established in children. Aim To determine the impact of AFRT on SDB diagnoses. Methods Patients attended overnight cardiorespiratory polygraphy/polysomnography, alongside pulse oximetry sleep studies. Respiratory parameter reports were generated using the first 4, 5, 6 and 7 hours of AFRT....