Sleep Apnea Raises Heart Health Risks in Women

Sleep apnea may affect the blood vessels responsible for supplying blood to the heart, raising the risk of heart disease in otherwise healthy people, a new study shows.

Sleep apnea is generally considered to be a man’s problem, but new Spanish research shows that women are just as vulnerable to the adverse heart effects of the condition as men. According to HealthDay News, the study from Valme University Hospital in Seville is one of the first sleep apnea research efforts focused on women.

“Women with untreated severe obstructive sleep apnea have a three-and-a-half fold increase in the risk of dying from cardiovascular disease compared to women without [it],” said lead researcher Francisco Campos-Rodriguez.

Although the disorder affects far more men than women, it is estimated that up to three percent of middle-aged women suffer from sleep apnea. Symptoms include snoring and daytime sleepiness, and effects of the condition can lead to heart attacks and other adverse cardiovascular events.

Researchers came to their conclusions by testing more than 1,000 middle-aged women for sleep apnea by sending them to sleep medicine clinics. They were divided into mild-to-moderate or severe groups, and those who were found not to have the condition served as the control group. Researchers followed the women for more than seven year, in which time four percent had died of cardiovascular problems and three percent passed away from other causes.

It was more common that women who died from cardiovascular events had not been receiving treatment for their sleep apnea, HealthDay said. However, help is available in the form of the CPAP—continuous positive airway pressure. Researchers reported that using CPAP reduces heart health risks in women just as effectively as it does in men. In fact, those who were treated with CPAP had similar death rates as those who did not have sleep apnea. Campos-Rodriguez described his team’s study as groundbreaking. “We have provided the first evidence in the [medical] literature that severe OSA is associated with cardiovascular mortality in women, and that CPAP treatment is associated with a decrease in mortality risk,” he said.
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