Cardiovascular disorders and obstructive sleep apnea syndrome
Giorgio Coccagna1, Antonella Pollini, Federica Provini
1Department of Neurological Sciences, University of Bologna, Bologna, Italy. coccagna@neuro.unibo.it
Summary
Obstructive sleep apnea (OSA) causes dangerous increases in blood pressure and heart rhythm problems during sleep. OSA patients face higher risks of cardiovascular disease and shorter lifespans, though other health factors also play a role.
Area of Science:
- Cardiology
- Pulmonology
- Sleep Medicine
Background:
- Obstructive sleep apnea (OSA) is linked to cardiovascular issues.
- The exact impact of nocturnal apneas on cardiovascular health requires further clarification.
Purpose of the Study:
- To review current literature on the impact of obstructive sleep apnea on cardiovascular disorders.
- To establish the true impact of nocturnal apneas on systemic arterial hypertension, ischemic heart disease, stroke, pulmonary hypertension, right heart failure, and mortality.
Main Methods:
- Review of polysomnographic recordings with cardiocirculatory monitoring.
- Analysis of existing epidemiological data and clinical manifestations in OSAS patients.
- Examination of the effectiveness of continuous positive airway pressure (CPAP) treatment.
Main Results:
- Obstructive apneas significantly increase pulmonary and systemic arterial pressure and cause severe hypoventilation.
- OSA is associated with increased incidence of hypertension, ischemic heart disease, stroke, and reduced life expectancy.
- Continuous positive airway pressure (CPAP) treatment is effective in reducing cardiovascular comorbidity in OSAS patients.
Conclusions:
- Nocturnal obstructive apneas have a significant impact on cardiovascular health, contributing to hypertension, heart disease, and stroke.
- While confounding factors exist, OSA is a critical risk factor for cardiovascular morbidity and mortality.
- Effective management of OSA, including CPAP, is crucial for mitigating cardiovascular complications.
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