Case Study

Obstructive Sleep Apnoea (OSA) is a common condition seen in both the primary care and ENT settings. The patients typically presenting with snoring, witnessed apnoeas, and non-restorative sleep.
Obstructive Sleep Apnoea (OSA) is a common condition seen in both the primary care and ENT settings. The patients typically presenting with snoring, witnessed apnoeas, and non-restorative sleep. This case describes an adult patient with longstanding OSA established on continuous positive airway pressure (CPAP) therapy, who experienced a deterioration in sleep quality despite ongoing adherence. A home sleep polygraphy study performed while the patient was wearing CPAP appeared to show normal breathing during sleep, leading to uncertainty regarding the underlying cause of symptoms. This article highlights the diagnostic challenges associated with interpreting sleep studies , and emphasises the importance of a multidisciplinary approach to the management of these patients. Obstructive Sleep Apnoea and the Pitfalls of Home Sleep Testing on CPAP PDF