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Obstructive sleep apnea and hypertension.
Krzysztof Narkiewicz1, Jacek Wolf, Francisco Lopez-Jimenez
1Hypertension Unit, Department of Hypertension and Diabetology, Medical University of Gdansk, Debinki 7c, 80-952 Gdansk, Poland. knark@amg.gda.pl
Current Cardiology Reports
|November 1, 2005
Summary
Obstructive sleep apnea (OSA) is increasingly linked to hypertension. Untreated OSA can harm cardiovascular health and raise blood pressure, especially in obese patients resistant to medication.
Area of Science:
- Cardiology
- Sleep Medicine
- Hypertension Research
Background:
- Growing evidence suggests a causal link between obstructive sleep apnea (OSA) and hypertension.
- Untreated OSA can negatively impact cardiovascular function and structure.
- Mechanisms include sympathetic activation, oxidative stress, inflammation, and endothelial dysfunction.
Purpose of the Study:
- To highlight the significant role of OSA in the hypertensive population.
- To emphasize the importance of considering OSA in the differential diagnosis of hypertension.
- To identify specific patient groups where OSA should be suspected.
Main Methods:
- Review of existing evidence on the relationship between OSA and hypertension.
- Analysis of pathophysiological mechanisms linking OSA to cardiovascular changes.
- Clinical considerations for diagnosing OSA in hypertensive patients.
Main Results:
- OSA contributes to or worsens elevated blood pressure levels in many hypertensive individuals.
- OSA is a significant factor in the development and progression of hypertension.
- Consideration of OSA is crucial for effective hypertension management.
Conclusions:
- Obstructive sleep apnea is a significant contributing factor to hypertension.
- OSA should be considered in the differential diagnosis of hypertensive patients, particularly those who are obese or resistant to treatment.
- Addressing OSA may improve blood pressure control in affected individuals.