Obstructive sleep apnea and cardiovascular disease
Mehmood Butt1, Girish Dwivedi, Omer Khair
1University Department of Medicine, City Hospital, Birmingham B18 7QH, UK.
Insights
Obstructive sleep apnea (OSA) is a common sleep disorder linked to cardiovascular disease. Treating OSA with Continuous Positive Airway Pressure (CPAP) can improve health outcomes and slow disease progression.
Area of Science:
- Cardiology
- Sleep Medicine
- Pulmonology
Background:
- Obstructive sleep apnea (OSA) is a prevalent, underdiagnosed sleep-related breathing disorder.
- OSA is significantly associated with adverse cardiovascular outcomes, including coronary artery disease, heart failure, hypertension, arrhythmias, and stroke.
- These cardiovascular complications increase morbidity and mortality in individuals with OSA.
Purpose of the Study:
- To highlight the critical link between obstructive sleep apnea and cardiovascular disease.
- To discuss the pathophysiological mechanisms connecting OSA and cardiovascular disorders.
- To emphasize the importance of screening for OSA in cardiovascular patients and vice versa.
Main Methods:
- Review of existing literature on OSA and cardiovascular disease.
- Analysis of pathophysiological pathways such as endothelial dysfunction, coagulopathy, sympathetic drive, and oxidative/inflammatory stress.
- Evaluation of treatment outcomes, particularly with Continuous Positive Airway Pressure (CPAP).
Main Results:
- OSA is identified as a significant cardiovascular risk factor.
- Pathophysiological mechanisms provide a basis for the OSA-cardiovascular link.
- CPAP therapy demonstrates efficacy in improving clinical status and slowing disease progression in OSA patients.
Conclusions:
- Obstructive sleep apnea should be recognized as a modifiable cardiovascular risk factor.
- Proactive screening for OSA in patients with cardiovascular disease is recommended.
- Integrated management of OSA and cardiovascular conditions is crucial for improving patient outcomes.
Abstract:
Obstructive sleep apnea (OSA) is a common yet an under-diagnosed sleep related breathing disorder affecting predominantly middle-aged men. OSA is associated with many adverse health outcomes, including cardiovascular disease. Common OSA associated/induced cardiovascular disorders include coronary artery disease, heart failure, hypertension, cardiac arrhythmias and stroke, which further increase morbidity and mortality in the OSA population. Endothelial dysfunction, coagulopathy, impaired sympathetic drive, oxidative and inflammatory stress are the pathophysiological pathways suggested for the development of cardiovascular disease in OSA. The evidence would suggest that OSA should be considered as a cardiovascular risk factor, and is a treatable condition. Multiple studies using Continuous Positive Airway Pressure (CPAP) have shown improvements in the clinical state as well as retardation of disease progression. Therefore, patients with cardiovascular disease should be proactively screened for OSA and vice versa.
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