Conference Coverage

Study explores link between GERD and poor sleep quality

 

Key clinical point: GERD has a major impact on quality of sleep.

Major finding: Study participants with chronic GERD were more likely to report being dissatisfied with their sleep during wave 2 of the study, compared with wave 1 (24.2% vs. 13.5%; P less than .001).

Study details: A telephone-based survey of 10,930 U.S. adults who were interviewed during two waves 3 years apart.

Disclosures: The study was supported by an unrestricted grant from Takeda.

Source: Oyahon et al. ANA 2018, Abstract 625.


 

REPORTING FROM ANA 2018

Chronic gastroesophageal reflux disease (GERD) is associated with various sleep disorders that might complicate the response to GERD treatment, results from an ongoing longitudinal analysis demonstrated.

Dr. Maurice M. Ohayon, director of the Stanford (Calif.) Sleep Epidemiology Research Center

Dr. Maurice M. Ohayon

“We have little longitudinal information on GERD in the general population; the last published article on GERD incidence was 20 years ago,” lead study author Maurice M. Ohayon, MD, DSc, PhD, said in an interview in advance of the annual meeting of the American Neurological Association. “As a sleep specialist, I am always interested to see how a specific medical condition may affect the sleep quality of the individuals with that condition. How we live our day has an impact on our night; it works together.”

In an effort to examine the long-term effects of GERD on sleep disturbances, Dr. Ohayon, director of the Stanford (Calif.) Sleep Epidemiology Research Center, and his colleagues used U.S. Census data to identify a random sample of adults in Arizona, California, Colorado, Idaho, New York, Oregon, Pennsylvania, and Texas. The researchers conducted two waves of phone interviews with the subjects 3 years apart, beginning in 2004. They limited their analysis to 10,930 subjects with a mean age of 43 years who participated in both interviews.

Between wave 1 and wave 2 of phone interviews, the proportion of adults who reported having GERD rose from 10.6% to 12.4% and the prevalence of new GERD cases was 8.5% per year, while the incidence was 3.2% per year. Chronic GERD, defined as that present during both interview periods, was observed in 3.9% of the sample.

The researchers found that 77.3% of GERD subjects were taking a treatment to alleviate their symptoms, mostly proton-pump inhibitors. Those with chronic GERD were more likely to report being dissatisfied with their sleep during wave 2 of the study, compared with wave 1 (24.2% vs. 13.5%; P less than .001). In addition, compared with their non-GERD counterparts, those with chronic GERD were more likely to wake up at night (33.9% vs. 28.3%; P less than .001) and to have nonrestorative sleep (15.6% vs. 10.5%; P less than .001).

“Discomfort related to GERD may happen while you are sleeping,” said Dr. Ohayon, who is also a professor of psychiatry and behavioral sciences at Stanford University. “It may wake you up and, if not, it may make you feel unrested when you wake up. We observed both of these symptoms in our GERD participants. Insomnia disorders were also rampant in the chronic GERD group (24.5%, compared with 14.4% in non-GERD participants). An insomnia disorder is more than just having difficulty falling asleep or waking up at night, it means that your daytime functioning is affected by the poor quality of your night.”

Dr. Ohayon said other findings from the study were “rather alarming.” For example, individuals with GERD, especially those with the chronic form, weighed much more than those with no GERD did. “Over a 3-year period, the chronic GERD individuals gained one point in the body mass index, which for a 6-foot tall man translates into a weight gain of 30 pounds,” he said. “Of course, with that follows high blood pressure, high cholesterol, diabetes, chronic pain, and heart disease.”

He concluded that GERD has its main manifestations when affected individuals are sleeping on their backs. “The impact of GERD on the quality of sleep is major,” he said. “Sleepiness and fatigue during the day are the consequences impacting work, family, and quality of life.”

Dr. Ohayon acknowledged certain limitations of the study, including the fact that GERD was based on self-report. The study was supported by an unrestricted grant from Takeda.

Source: Oyahon et al. ANA 2018, Abstract 625.

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