Sleep Apnoea Flashcards
what is it
intermittent upper airway collapse in sleep
recurrent sleep arousal
what are symptoms
excessive daytime sleepiness
personality change
cognitive impairment
major impact on daytime function
what are causes
obesity enlarged tonsils stroke MS opiates alcohol
how is it diagnosed
overnight sleep study (oximetry, airflow, thoracic movement monitored, full polysomnography)
epworth sleepiness score (normal <10/24)
how is it treated
correction of treatable factors
CPAP - delivered by nasal mark during sleep
mandibular advancement device (gum shield - improves snoring)
surgery - scar up back of throat to make tougher and resist collapse
what are complications
raised CRP
impaired endothelial and glucose function
independent risk factor for hypertension