Cerebrovascular Disease

Sleep apnea occurs frequently after a cerebrovascular accident (CVA) (32,46,47), and is an independent prognostic determinant of mortality following a first episode of stroke (48). CSA is the predominant type of sleep-disordered breathing in 40% of patients of sleep apnea after a CVA (47). The natural history of CSA with neurological recovery is yet to be determined.

0 Awake Sleep Apn&a Awake Steep Aprrea

Eupnea Eupnea Threshold Eupnea Euphea Threshold

Control CSA

FIGURE 2 Awake and asleep eupneic PETCO2 during stable breathing and apnea threshold during sleep. In the control group (open circles) there was a consistent and significant increase in eupneic Pco2 during sleep (p < 0.01). In the central sleep apnea (CSA) group (triangles), there was no difference in eupneic Pco2 between sleep and wakefulness (p = 0.2). In both groups, the apnea threshold was below both the sleep and awake eupneic PETCO2. The threshold was closer to eupnea level in the CSA group compared with the control group. *p < 0.05 compared with awake PETCO2; +p < 0.05 compared with sleep as well as awake PETCO2. Source: Ref. 71.

Sleep Apnea

Sleep Apnea

Have You Been Told Over And Over Again That You Snore A Lot, But You Choose To Ignore It? Have you been experiencing lack of sleep at night and find yourself waking up in the wee hours of the morning to find yourself gasping for air?

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