Obstructive sleep apnea and stroke

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Top Highlights

• Severe OSA, which has an Apnea Hypopnea Index (AHI)≥30, is a major risk factor for stroke compared to less severe OSA,

• We also emphasize the more thorough evaluation and control of OSA in order to prevent the disabling side effects of a stroke,

• OSA should always be considered when assessing a patient with transient ischemic attacks (TIA).

• The severity of OSA has a bidirectional relationship with the severityof a patient’s initial symptoms of stroke and the clinical outcomes after stroke occurrence.

• One prospective longitudinal study examining the elderly (age 70–100) shows that patients with severe OSA (AHI≥30) demonstrated higher incidence of stroke compared to patients without OSA.

• Stroke patients with OSA have a worse prognosis, experiencing a more prolonged hospitalization and spending more time in rehabilitation

• The severity of the patient’s OSA apnea-hypopnea index (AHI≥30) plays an important role in the development of ischemic stroke