Hypopnea classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Classification
Hypopnoeas can be either central (i.e., as part of a waxing and waning in breathing effort) or obstructive in origin. During an obstructive hypopnoea, in comparison to an obstructive apnoea, the airway is only partially closed. However, this closure is still enough to cause a physiological effect (i.e., an oxygen desaturation and/or an increase in breathing effort terminating in arousal).