11.7 Management of OSA Flashcards
1
Q
What causes OSA?
A
Increased compliance of the tube reduction in transmural pressure increase in surrounding tissue pressure position of the tongue and soft palate affected by gravity and surface tension decrease in intraluminal pressure
2
Q
What are the classifications of the apnea hypopnea index?
A
normal <5
mild 5-15
moderate 15-30
30 = severe
3
Q
how does the CPAP machine work?
A
increasing luminal pressure
4
Q
what conditions may be exacerbated by OSA?
A
atrial fibrillation hypertension CVA IHD (ischaemic heart disease) and cardiac failure obesity depression
5
Q
what is the aim of OSA treatment
A
reduce day and night time symptoms
reduce risk of adverse health consequences of OSA