Maxillofacial Surgery and OSAS

Question 1

What is OSA?

Answer 1

Obstructive Sleep Apnea

Question 2

Define apnea.

Answer 2

cessation of breathing with respiratory effort lasting longer than 10s

Question 3

What constitutes hypopnea?

Answer 3

airflow <30% or desaturation of <90%

Question 4

What is RDI?

Answer 4

respiratory disturbance index

Question 5

What is the RDI for mild apnea? Moderate apnea? Severe apnea?

Answer 5

mild = 15-25 RDI
moderate = 26-40 RDI
severe = >40 RDI

Question 6

What other condition has been frequently seen in OSA patients?

Answer 6

Hypertension

Question 7

What are results of OSA?

Answer 7

daytime sleepiness, decreased intellect, enuresis, sexual dysfunction, poor work performance

Question 8

What are indications for using an oral appliance to help OSA?

Answer 8

primary snorers, mild-moderate OSA