Posts Tagged ‘Apnea Sleep’

Apnea Sleep

Friday, August 8th, 2008

Syndrome of Sleep Apnea

At apnea: is the cessation of breathing greater than 10 seconds.
In obstructive apnea: is a cessation of breathing by pharyngeal obstruction related to hypotonia of pharyngeal muscles with persistence of respiratory movements.
A central apnea: is the cessation of respiratory drive with stop motion and respiratory flow.
A hypopnea: it decreased ventilation of about 50%.
A syndrome of sleep apnea: it is from 10 apneas + hypopneas per hour of sleep.
A syndrome of severe sleep apnea: is when the apnea-hypopnea index greater than 30%.

9 Apnea Syndrome Sleep button:
4 3 to 5% of the male population,
4 1 to 2% of the female population.
9 Risk factor: hypertension, stroke, myocardial infarction, car accidents, social gene.


  • Polygraphie respiratory recording of nocturnal SaO 2, respiratory movements, respiratory flow, snoring.
  • Polysomnography: respiratory polygraphy + + EEG + EMG electro-occulogramme.


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