Sleep apnea raises atrial fibrillation risk in people with pacemakers

By: Emily Lunardo | Health News | Thursday, May 05, 2016 - 11:00 AM

Sleep apnea raises atrial fibrillation risk in people with pacemakersSleep apnea may raise the risk of atrial fibrillation in people with pacemakers. Sleep apnea is a sleep disorder in which a person’s breathing pauses numerous times a night. Sleep apnea is a known risk factor for atrial fibrillation, but its risk in patients with pacemakers has been largely unknown.

Researcher Dr. Andrea Mazza said, “In recent years, pacemakers have increasingly become equipped with sleep apnea-monitoring measures, and in using these tools, we were able to identify how pacemaker patients with sleep apnea are at risk for developing atrial fibrillation. Our results are the first to show that patients with pacemakers and sleep apnea are at a higher risk of developing atrial fibrillation.”

The study looked at over 150 individuals, who were checked for sleep apnea during their first week of receiving a pacemaker. The patients were monitored up to eight months. Atrial fibrillation occurred in 36 percent of participants, including 28 percent of those with no prior history of heart rhythm problems.

Severe sleep apnea was diagnosed in 85 percent of patients, including 56 percent without a history of atrial fibrillation. The study found that those with sleep apnea had a threefold risk of developing atrial fibrillation, but the risk was sixfold in those with no prior history of atrial fibrillation.

Mazza concluded, “Now that we understand the connection, it’s important that patients and doctors, collectively, are more diligent about monitoring for sleep apnea in order to engage in solutions that may prevent the development of atrial fibrillation and, possibly, [blood clots].”

Also, read Bel Marra Health’s article on Sleep apnea PAP treatment in heart failure patients reduced hospital readmission and emergency room visits.


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Sources:

http://resources.hrsonline.org/pdf/patient/HRS_AF_SleepApnea_R3.pdf

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