OSA Flashcards
1
Q
what is OSA
A
greater than 10s of apnoea caused by obstruction of airflow in the upper aerodigestive tract
2
Q
what is central sleep apnoea
A
lack of central drive rather than airway obstruction
3
Q
how can OSA be classified
A
mild
moderate
severe
4
Q
define mild OSA
A
5-15 episodes / hour
5
Q
define moderate OSA
A
15-30 episodes / hour
6
Q
define severe OSA
A
> 30 episodes / hour
7
Q
causes of OSA
A
^BMI age large tonsils / adenoids small mandible macroglossia alcohol BZD
8
Q
consequences of OSA
A
pulmonary hypertension arrhythmias hypersomnolence poor memory lethargy SIDS
9
Q
patients with OSA must inform the DVLA, true or false
A
true
10
Q
investigations for OSA
A
history BMI neck circumference Epworth sleepiness scale StopBANG videos sleep studies - polysomnography
11
Q
management of OSA
A
weight loss reduce alcohol change medications splint for jaw CPAP surgical UPPP
12
Q
What happens in UPPP
A
surgical removal of tonsils and uvula
very painful
not successful in obese patients
13
Q
what is CPAP
A
continuous positive airway pressure to open airway and prevent collapse
14
Q
management of OSA in children
A
self limiting
adenotonsillectomy
