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Sex Differences in Neurovascular Control: Implications for Obstructive Sleep Apnea
Joshua M Bock1, Ian M Greenlund1, Virend K Somers1
1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN 55901, USA.
International Journal of Molecular Sciences
|September 9, 2023
Summary
Obstructive sleep apnea (OSA) increases cardiovascular risk, particularly hypertension. This review explores potential sex differences in sympathetic nerve activity regulation, suggesting females may face greater risks due to OSA.
Area of Science:
- Cardiovascular Physiology
- Sleep Medicine
- Neuroendocrinology
Background:
- Obstructive sleep apnea (OSA) is linked to hypertension.
- Sympathetic nerve activity is implicated in OSA-related hypertension.
- Existing research lacks focus on sex differences in OSA's sympathetic regulation.
Purpose of the Study:
- Review the link between sympathetic nerve activity and hypertension in OSA.
- Highlight data on sex differences in sympathetic nerve activity regulation in OSA.
- Discuss sex-based variations in adrenergic signaling and cardiovascular risk in OSA.
Main Methods:
- Literature review of studies on OSA, hypertension, and sympathetic nerve activity.
- Analysis of experimental data investigating sex differences in OSA.
- Exploration of peripheral adrenergic signaling mechanisms.
Main Results:
- Sleep disruption elevates blood pressure more in females than males.
- Females with severe OSA experience greater hypoxia during REM sleep.
- Potential sex differences in sympathetic and adrenergic pathways are suggested.
Conclusions:
- Females may be at higher risk for cardiovascular complications from OSA.
- Further research is needed to elucidate sex-specific mechanisms.
- Understanding these differences can inform targeted hypertension management in OSA patients.
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