Category III - Sleep Apnea Flashcards
The dx of OSAHS requires the patient to have:
>Sx of nocturnal breathing disturbances or daytime sleepiness or fatigue that occurs despite sufficient opportunities to sleep and is unexplained by other medical problems PLUS _____ obstructed apnea or hypopnea per hour of sleep (AHI). How many?
> =5
It may also be dx in the ABSENCE of sx IF the AHI >15.
It is the most common site of airway collapse, causing apnea or hypopnea
Soft palate
Other sites:
Tongue base
Lateral pharyngeal walls
Epiglottis
In what stage of sleep may OSAHS be most severe?
REM.
It may also be most severe in the supine position.
What are the major risk factors for OSAHS?
Obesity and male sex
Is the most common complaint of patients suffering from OSAHS?
Snoring. But its absence DOES NOT exclude the diagnosis.
The most common daytime symptom of patients with OSAHS
Sleepiness
Gold standard for the diagnosis of OSAHS
Overnight polysomnogram
Blood pressure findings or 2 hour BP monitoring finding among pxs with OSAHS
“Non-dipping” pattern (absence of the typical 10-mmHg fall during sleep from blood pressure while awake)
TRUE or FALSE
OSAHS contributes to cardiac, cerebrovascular, metabolic disorders, and premature death.
TRUE
The standard medical therapy with the highest level of efficacy for patients with OSAHS.
CPAP
The most common surgery performed for pxs with OSAHS.
Uvulopalatopharyngoplasty (removal of the uvula and the margin of the soft palate
Less effective than CPAP.
Patients with central sleep apnea are at risk for the development of _________.
CHF
How would you classify a patient with a AHI of 29?
A. Mild OSAHS
B. Moderate OSAHS
C. Severe OSAHS
Moderate OSAHS.
Mild: 5-14 events/hour
Moderate: 15-29 events/hour
Severe: >=30 events/hour
TRUE or FALSE
Patients with DM or HTN have higher prevalence of OSAHS.
TRUE
