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Sleep apnea and hypertension.
M Hoffmann1, K Bybee, V Accurso
1Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA.
Minerva Medica
|August 31, 2004
Summary
Obstructive sleep apnea (OSA), common in obesity, is linked to hypertension. Mechanisms like sympathetic activation and inflammation may explain this connection, with potential treatments discussed.
Area of Science:
- Cardiology
- Sleep Medicine
- Hypertension Research
Background:
- Obstructive sleep apnea (OSA) is a prevalent sleep-disordered breathing condition, often co-occurring with obesity.
- An increasing number of Americans are affected by OSA, paralleling the obesity epidemic.
- Emerging evidence links OSA to cardiovascular diseases, including hypertension, potentially independent of BMI.
Purpose of the Study:
- To review the association between OSA and hypertension.
- To examine evidence suggesting a causal link between OSA and hypertension.
- To discuss pathophysiologic mechanisms and therapeutic strategies for hypertensive patients with OSA.
Main Methods:
- Literature review focusing on the relationship between OSA and hypertension.
- Analysis of studies investigating the causal interaction and underlying mechanisms.
- Synthesis of current therapeutic approaches for managing hypertension in OSA patients.
Main Results:
- OSA is strongly associated with hypertension.
- Pathophysiologic mechanisms include sympathetic nervous system activation, RAAS activation, oxidative stress, and inflammation.
- These mechanisms provide a biological basis for OSA as a risk factor for sustained hypertension.
Conclusions:
- OSA may be an independent risk factor for hypertension.
- Understanding the pathophysiologic links is crucial for effective management.
- Therapeutic strategies should address both OSA and hypertension concurrently.