A study done by researchers from University Hospital of Angers, France shows obstructive sleep apnea (OSA) devices may improve oral breathing but they fail in reducing heart disease and cardiovascular diseases risk factors. Researchers monitored effects of mandibular advancement device (MAD) among 150 patients, 86 percent male individuals, aged between 18 to 70 years with severe sleep apnea but without a serious heart condition. Results show improvement in snoring, sleepiness and fatigue symptoms but failed to improve blood pressure and endothelial function.
Researchers say the mechanism that contributes to increased risk of cardiovascular disease with obstructive sleep apnea (OSA) is endothelial dysfunction. Researchers did not study improvements in the usage of mandibular advancement device (MAD) on endothelial function in obstructive sleep apnea (OSA) patients. Researchers say more studies are required to find out whether mandibular advancement device (MAD) therapy improve endothelial function in obstructive sleep apnea (OSA) patients. Lead author of the study is Prof Frdric Gagnadoux MD, professor pulmonology, University Hospital of Angers, France and the study findings were published online Jan 27, 2017, in the American Journal of Respiratory and Critical Care Medicine.
A study done by Spanish researchers from the University of Navarra shows reduced risk of heart disease, stroke and type ii diabetes (T2D) in people living at higher altitudes (between 457 to 2,297 meters) compared with people living at sea level (zero to 121 meters). Scientists say individual's geographic area contribute to changes in blood pressure, blood sugar and cholesterol levels, which are risk factors to stroke, heart diseases and type 2 diabetes (T2D) irrespective of family history. Researchers came to conclusion after analyzing Spanish project data. Co-senior author of the study is Amaya Lopez-Pascual and the study findings were published in the journal Frontiers in Physiology.
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Published by Jammi Vasista, Chennai, India.