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Women who snore are at a greater risk of having cardiac problems Women who snore are at a greater risk of having cardiac problems

Women who snore are at a greater risk of having cardiac problems

Dec 02, 2018

According to the findings of a recent study, women who snore have a greater cardiac risk. The research was presented at the annual meeting of the Radiological Society of North America (RSNA). Researchers stated that Obstructive Sleep Apnea (OSA) and snoring may lead to earlier impairment of cardiac function in women than in men. A common but dangerous sleep disorder, OSA causes an increased risk for left ventricular and, more rarely, right ventricular dysfunction in the heart.

OSA is the most common type of sleep apnea. It occurs when the throat muscles intermittently relax and block the airway when a person sleeps. While there are several symptoms of OSA - such as gasping during sleep, waking with a dry mouth, morning headache and irritability - loud snoring is a common sign. Complications of OSA may include daytime fatigue and sleepiness, complications with medications and surgery and cardiovascular problems.

“Our analysis showed that in both genders of the OSA and snoring groups there was an increase in left ventricular mass, meaning that the walls of the heart’s main pumping chamber are enlarged, making the heart work harder,” said lead author Adrian Curta. “We also found that men showed an increase in the ejection fraction of both ventricles.”

Ejection fraction is the percentage of the heart chamber’s total volume that is pumped out with each heartbeat.

When the researchers compared the snoring group to the unaffected group, they found a more significant difference in the left ventricular mass in women than in men. The cardiac changes in the self-reported snorers point to earlier impairment and might be an indication of undiagnosed OSA.

“We found that the cardiac parameters in women appear to be more easily affected by the disease and that women who snore or have OSA might be at greater risk for cardiac involvement,” Dr. Curta said. “We also found that the prevalence of diagnosed OSA in the study group was extremely low. Together with the alterations in cardiac function in the snoring group, it leads us to believe that OSA may be grossly underdiagnosed.”

The findings suggest that the transition from snoring to OSA is an evolving process that is associated with left ventricular hypertrophy, an independent predictor for increased adverse events and in-hospital mortality in many procedures.

Dr. Curta stresses the importance for people who snore to get screened for OSA, and cautioned that those with OSA should be properly treated.

“I would encourage people who snore to ask their partner to observe them and look for phases during sleep when they stop breathing for a short while and then gasp for air,” Dr. Curta said. “If unsure, they can spend the night at a sleep lab where breathing is constantly monitored during sleep and even slight alterations can be recorded.”

Treatment is dependent on the cause of an individual’s OSA, Dr. Curta noted. Weight loss, for example, can often improve OSA in overweight individuals. Apart from that, there are surgical techniques and special machines that keep the upper airways open at nighttime by applying continuous positive airway pressure (CPAP).

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