mixed sleep apnea
Sleep-disordered breathing characterized by apneas that begin as central events but transition to obstructive events within the same episode.
Full Definition
Mixed sleep apnea, also called complex sleep apnea, is a form of sleep-disordered breathing where individual apneic events begin as central apneas (lack of respiratory effort) but transition to obstructive apneas (continued effort against airway obstruction) within the same respiratory event. This pattern suggests both central nervous system dysfunction in respiratory control and upper airway compromise. Mixed apneas are more commonly seen in certain populations, including heart failure patients and those with neurological conditions. Treatment often requires addressing both the central and obstructive components through combination therapies.
Usage
Usage note: Some sources use 'complex sleep apnea' synonymously, but 'mixed' specifically refers to the within-event transition.
In Context
- "The polysomnogram revealed mixed sleep apnea with events beginning centrally and becoming obstructive." — Sleep study interpretation
- "Mixed sleep apnea may require both CPAP therapy and central sleep apnea treatment modalities." — Treatment planning