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CPAP may help prevent heart failure

CPAP machine

A CPAP machine may lower the risk of death due to heart disease / failure.  The CPAP (Constant Positive Air Pressure) machine has been used to treat obstructive sleep apnea (OSA), and now a new study indicates it may help reduce the sympathetic nervous system activity in the morning.  There are various manufacturers including , Respironics, GoodKnight and others.

The study was carried out by physicians and researchers in Toronto Canada (Kengo Usui, MD, PHD, T. Douglas Bradley, MD, FRCPC, Jonas Spaak, MD, PHD, Clodagh M. Ryan, MB, BCH, Toshihiko Kubo, MD, PHD, Yasuyuki Kaneko, MD, John S. Floras, MD, DPHIL, FRCPC, FACC).    Their findings published in the Journal of the American College of Cardiology show promise for prolonging the life patients with sleep apnea and heart failure.

There are two forms of sleep apnea; obstructive and central.  Obstructive sleep apnea can be treated with the CPAP device.  Central apnea may be treated with the CPAP and medication. 


Obstructive sleep apnea is a condition were the throat reduces in size, restricting air flow.  Some of the causes may include a small passage way, tissue obstructing the passage and / or a relaxation of the throat muscles.  This may occur dozens of times an hour, while the sleeper is unconscious.  The subject is completely oblivious to this.

The CPAP machine may also allow for a better nights sleep.  Those that wear the device say that their cognitive abilities are better.  Other studies have shown that blood pressure may rise and fall during apnea events, possibly increasing the risk of death.

Inhibition of Awake Sympathetic Nerve Activity of Heart Failure Patients With Obstructive Sleep Apnea by Nocturnal Continuous Positive Airway Pressure (CPAP).  The study concluded “Treatment of coexisting OSA by CPAP in HF patients lowers daytime MSNA, systolic BP, and HR. Inhibition of increased central sympathetic vasoconstrictor outflow is one mechanism by which nocturnal CPAP reduces awake BP in HF patients with moderate to severe OSA.

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By Dan Wilson
Best Syndication Staff Writer

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Keywords and misspellings:  respironix resmed c-pap arua batery powered cpap autopap backup back-up Goodnight

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Copyright 2005 Best Syndication                                            Last Updated Sunday, July 11, 2010 01:18 AM