The Case Western Reserve University in Cleveland research study –to be published in the Nov. 3 issue of the Journal of the American College of Cardiology- studied the specific risk of cardiac arrhythmias and sleep apnea and whether these events act as a trigger for cardiac abnormalities, said study senior author Dr. Susan Redline. "And we established that there is a close temporal relationship."
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An important finding of the study was that these abnormal heart rhythms were not linked to the severity of a person's sleep apnea, Redline said. "The study did look to see whether more intense sleep apnea increased the risk of arrhythmias,"
The researchers stressed that abnormal heartbeats were relatively rare, with sleep apnea increasing their incidence by one for every 40,000 breathing disturbances. But the potentially serious effect of those heartbeat errors requires alertness in detecting sleep apnea, Redline said.
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