OSA Flashcards
1
Q
What is OSA?
A
Intermittent closure/collapse of the pharyngeal airway causing apnoea episodes during sleep terminated by partial arousal
2
Q
What are clinical features of OSA?
A
Loud snoring Daytime somnolence Poor sleep quality Morining headache Decreased libido Nocturia Reduced conginitve performance
3
Q
Typical patient?
A
Obese middle aged man - snoring or daytime somnolence
4
Q
What are complications OSA?
A
Pulmonary hypertension
T2RF
5
Q
What investigations?
A
SaO2, video recording
Polysomnography (SaO2 and airflow, ECG during sleep_
15+ episodes of apnoea or hypo apnoea during 1h of sleep
6
Q
What management for OSA?
A
Weight loss Alcohol reduction Stop smoking CPAP via nasal mask for mod/severe Surgery to relive pharyngeal or nasal obstruction
