Osa

Question 1

How is the severity of osa categorized?

Answer 1

Apnea-hypopnea index (#of apneas plus hypopneas per hour of sleep)

Question 2

35 m w bum 40 undergoes surgery for cholecystectomy and starts having repeated apneas, diagnosis?

Answer 2

Likely osa send for sleep study

Question 3

What are osa patients at high risk to develop?

Answer 3

CAD
Acute MI during sleep
Recurrent a fib
Stroke insulin resistance

Question 4

50 F w sleep study and found to have AHI 4/ hour, diagnosis?

Answer 4

Not osa, need AHI>5/hr

Question 5

When should out-of-center sleep testing be used to dx OSA?

Answer 5

In those without cardiopulmonary disease who have high pretext probability

Question 6

If it w daytime sleepiness, h/o COPD, neck circumference >18cm, bag show pCO2 elevated when awake. Sleep study AHI 3/hr, diagnosis?

Answer 6

Obesity hypoventilaton

Question 7

Pt. Diagnosed with OSA, next step in management?

Answer 7

2. Lifestyle changes, weight loss, avoid alcohol/sedatives before bedtime
3. CPAP

Question 8

When should BiPAP be considered over CPAP?

Answer 8

When do not tolerate CPAP, have central sleep apneas, persistent oxygen desaturations because is hypoventilation

Question 9

Treatment for obesity-hypoventilation syndrome?

Answer 9

CPAP can help with daytime hypercapneia

Question 10

Are oral appliances good at reducing the AHI index?

Answer 10

No

Question 11

Is upper airway surgery done for osa?

Answer 11

Not as first choice but those refractory…and not using CPAP.