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Obstructive sleep apnea syndrome: its relationship with hypertension
Ana C Krieger1, Nancy S Redeker
1New York University School of Medicine, VA New York Harbor Healthcare System, New York, USA.
The Journal of Cardiovascular Nursing
|October 3, 2002
Summary
Obstructive sleep apnea (OSA) is common and linked to high blood pressure. Treating OSA may lower hypertension and reduce cardiovascular risks.
Area of Science:
- Cardiology
- Pulmonology
- Sleep Medicine
Background:
- Obstructive sleep apnea (OSA) is a widespread sleep disorder characterized by repeated upper airway collapse.
- Hypertension is a major global health concern with significant cardiovascular implications.
- Emerging evidence suggests a strong association between OSA and the development of hypertension.
Purpose of the Study:
- To review the epidemiologic and clinical evidence linking obstructive sleep apnea and hypertension.
- To explore the pathophysiological mechanisms underlying hypertension in OSA patients.
- To evaluate the impact of OSA therapeutic interventions on arterial blood pressure.
Main Methods:
- Systematic review of existing epidemiologic and clinical studies.
- Analysis of proposed biological mechanisms connecting OSA and hypertension.
- Assessment of data on blood pressure changes following OSA treatment.
Main Results:
- Consistent epidemiologic data support a correlation between OSA and hypertension prevalence.
- Proposed mechanisms include intermittent hypoxia, sympathetic nervous system activation, and endothelial dysfunction.
- Therapeutic interventions for OSA, such as CPAP, demonstrate a potential to reduce blood pressure.
Conclusions:
- Obstructive sleep apnea is a significant contributing factor to hypertension.
- Understanding the mechanisms is crucial for managing cardiovascular risk in OSA patients.
- Effective OSA treatment may be a vital strategy in controlling hypertension and preventing cardiovascular complications.