Implanted device can improve central sleep apnea treatment

Sleep apnoea
Sleep apnoea

New York: An implanted nerve stimulator significantly improves symptoms in those with central sleep apnea, without causing serious side effects, show results from an international study.
Unlike the more common obstructive sleep apnea, in which the airway partially collapses and causes pauses in breathing, central sleep apnea (CSA) occurs when the brain fails to control breathing during sleep. “Central sleep apnea is a serious concern because it affects about a third of people with heart failure and it’s known to make the condition worse,” said co-lead author William Abraham from the Ohio State University Wexner Medical Center in the US.
“Currently, we don’t have good treatments available. Positive airway pressure devices have been used, but many patients don’t tolerate them well and a recent study showed them to be harmful,” Abraham noted. The research team tested the safety and effectiveness of a transvenous phrenic nerve stimulator made by US-based Respicardia Inc at 31 hospitals in the US, Germany and Poland.  Much like a pacemaker, it sends a regular signal telling the diaphragm to breathe during sleep. In the randomised study, 151 patients were implanted with the device.  Ten were excluded due to non-study related medical issues or deaths, exiting the study or missing visits.

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