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Neurology. 1992 Jul;42(7 Suppl 6):75-81; discussion 82.

Snoring, sleep apnea syndrome, and stroke.

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Department of Neurology, University of Helsinki, Finland.


Increasing evidence suggests that snoring and sleep apnea are associated with cerebrovascular diseases. Several other factors may be involved in this association because many established or potential risk factors for stroke are related to snoring and sleep apnea. These include arterial hypertension, coronary heart disease, age, obesity, smoking, and alcohol consumption. Recent epidemiologic and clinical studies indicate, however, that snoring can increase the risk of stroke independently of these confounding factors. Accumulating epidemiologic evidence of long-term harmful effects of the obstructive sleep apnea syndrome appears to be related to increasing vascular morbidity and mortality. Potential mediators among snoring, obstructive sleep apneas, and stroke include cardiac arrhythmias and other hemodynamic disturbances, increased levels of catecholamines, and disturbances in cerebral blood flow caused by sleep apneas, as well as hypoxemic periods that may potentiate atherosclerosis.

[Indexed for MEDLINE]

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