alexa [Sleep apnea syndrome and cerebral infarction].
Anesthesiology

Anesthesiology

Journal of Anesthesia & Clinical Research

Author(s): Poza JJ, Martnez A, Emparanza JI, Lpez de Munain A, Mart Mass JF

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Abstract OBJECTIVES: To analyze the relationship between snoring and sleep apnea with brain infarction. METHODS: We studied 79 consecutive patients of both sexes with cerebral infarction and 248 age and sex matched controls. We obtained data reflecting arterial hypertension, diabetes mellitus, hypercholesterolemia, smoking and drinking habits, coronary heart disease, cardiopathy, snoring, respiratory pauses during sleep and daytime sleepiness, by using a standard questionnaire to interview every subject and his/her spouse. RESULTS: 53\% of patients and 46\% of controls snored often or always (p = 0.27). Snoring was significantly more frequent in men. Thirty four percent of patients and 27\% of controls were snorers and suffered apnea during sleep (p = 0.19). Nineteen per cent of patients and 11\% of controls presented snoring, respiratory pauses during sleep and daytime sleepiness simultaneously, suggesting obstructive sleep apnea syndrome (OSAS) (p = 0.06). However, by separately analyzing people younger than 65 years, the frequency of OSAS was significantly higher in patients (29\%) than in controls (7\%) (p = 0.006). Finally, 10\% of patients and 3\% of controls presented snoring, respiratory pauses during sleep and moderate or severe daytime sleepiness simultaneously, suggesting moderate-severe OSAS (p = 0.01). A multiple logistic regression analysis confirmed the independent contribution of moderate-severe OSAS as a risk factor for ischemic stroke, with an adjusted odds ratio of 4.54. In people younger than 65 years, OSAS, regardless of its severity, was also an independent risk factor for ischemic stroke, with an adjusted odds ratio of 5.78. CONCLUSIONS: Clinically diagnosed obstructive sleep apnea syndrome is an independent risk factor for ischemic stroke, especially in people younger than 65 years.
This article was published in Neurologia and referenced in Journal of Anesthesia & Clinical Research

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