Obstructive sleep apnoea and its cardiovascular consequences

Obstructive sleep apnoea (OSA) is significantly associated with cardiovascular diseases such as hypertension and heart failure.

• OSA exposes the cardiovascular system to cycles of low oxygen levels and increased negative pressure, which may harm heart function.
• It is linked to elevated blood pressure, heart rate, and oxidative stress, potentially leading to inflammation and impaired blood vessel function.
• Epidemiological studies indicate strong independent associations between OSA and conditions like coronary artery disease and stroke.
• Treatment of OSA with continuous positive airway pressure has shown potential to lower blood pressure and improve heart function in some patients.
• Current findings suggest that managing OSA may reduce the risk of developing cardiovascular diseases.

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