Obstructive Sleep Apnoea Flashcards
1
Q
What is obstructive sleep apnoea?
A
A disorder characterised by intermittent closure/collapse of the pharyngeal airway causing apnoeic episodes during sleep.
These are terminated by partial arousal
2
Q
What are the clinical features of sleep apnoea?
A
Typically an obese middle aged man who presents with snoring or daytime sleepiness Poor sleep quality Morning headache Decreased libido Nocturia Decreased cognitive performance
3
Q
What investigations can be performed in suspected sleep apnoea?
A
Pulse oximetry and video recordings while asleep
Polysomnography-monitors o2 sats, airflow, ECG, EMG and chest movements
4
Q
What is the management of sleep apnoea?
A
Weight loss Avoid tobacco and alcohol Mandibles advancement device CPAP via nasal mask during sleep Surgery to relieve pharyngeal or nasal obstruction e.g tonsillectomy or polyectomy
