Common Asthma Meds May Raise Sleep Apnea Risk

Common Asthma Meds May Raise Sleep Apnea Risk, Study Says

Preliminary finding saw possible link between certain inhaler drugs and the sleep disorder, but more research needed

WebMD News from Health Day

By Kathleen Doheny

HealthDay Reporter

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FRIDAY, Feb. 28, 2014 (HealthDay News) — Medicines commonly used to control asthma may increase the risk of a potentially serious sleep problem in some people, a small, early study suggests.

“Inhaled corticosteroids may predispose to sleep apnea in some asthma patients,” said study¬†author Dr. Mihaela Teodorescu, an associate professor of medicine at the University of Wisconsin School of Medicine and Public Health, in Madison.

In sleep apnea, breathing periodically stops during sleep, for a few seconds or even minutes at a time, according to the U.S. National Heart, Lung, and Blood Institute. The pauses can occur as often as 30 times or more in a single hour. In the most common type of apnea, the airway becomes blocked or collapses during sleep. If untreated, apnea can increase the risk of high blood pressure, heart attack, stroke and other problems.

However, the new study linking asthma medicines with an increased apnea risk was very small — including just 18 patients. And the researchers found a link, not cause and effect, and don’t yet know what that connection means.

An expert not involved in the study was skeptical of the findings, emphasizing that more work is needed.

The researchers monitored the men and women for changes in the “collapsibility” of their upper airways during sleep and their tongue function. Three patients had the amount of fat in their soft palates measured with MRIs, which found a redistribution of fat to the neck area, which can narrow the airway

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