Hidden Epidemic: One in Five Adults May Suffer From Dangerous Snoring

Obstructive Sleep Apnea Snoring

Approximately 20% of French adults may have obstructive sleep apnoea (OSA), but only a fraction are diagnosed and treated, according to a study. The research also found that OSA is more prevalent in certain demographics, including men and older individuals, with women often undiagnosed.

According to a recent study published in the ERJ Open Research, it’s estimated that as many as one in five individuals could be grappling with obstructive sleep apnoea (OSA).

Those afflicted with OSA frequently experience symptoms such as loud snoring, interruptions in breathing throughout the night, and recurring awakenings. Beyond causing fatigue, OSA may also heighten the risk of serious health issues, including hypertension, stroke, heart diseases, and type 2 diabetes.

Treatments and lifestyle changes can help people with OSA. However, the new study also suggests that only a small proportion of people with symptoms of OSA have been diagnosed and are receiving help for the condition.

The study included data on 20,151 French adults. Researchers recorded how many participants had been diagnosed with OSA. They also used a questionnaire to gauge how many participants might have undiagnosed OSA. The questionnaire focuses on heavy snoring and excessive daytime sleepiness (the two most common OSA symptoms), high blood pressure, and obesity.

Researchers then used this data to calculate the proportion of the French population who are likely to be affected by OSA. They found that around one in five (20.2%) were highly likely to have OSA while only 3.5% were being treated for the condition.

OSA was more common in men in people who were older, had cardiovascular disease, lower socioeconomic status, or were less physically active, in smokers, and in people with symptoms of depression. Women were at a higher risk of going undiagnosed with OSA.

The study was led by Dr. Pauline Balagny from the Faculty of Medicine at the University of Paris-Cité, France. She said: “We know that OSA is a major health hazard but if patients are diagnosed with the condition, they can be given treatments and advice to mitigate the risks. Our study suggests that OSA is common, but the majority of those affected do not know they have the condition.

“Our findings are in line with research in other countries which suggest that OSA is becoming more common.”

A key strength of this research is that it is based on a large group of people who are representative of the French population. A weakness is that the study relies on a questionnaire to gauge the likelihood of OSA, rather than testing participants in a sleep clinic.

Professor Winfried Randerath, Head of the European Respiratory Society’s Assembly on sleep-disordered breathing, who was not involved in the research said: “This research suggests that many people with OSA are not aware that their snoring and sleepiness are signs of a problem. We need to raise awareness of OSA because once people are diagnosed, they can be given treatment and advice to help lower their risk of other serious conditions such as stroke, heart disease, and diabetes. Although OSA is more common in men, this study indicates that we also need to get better at spotting the condition in women.”

Dr. Balagny and her colleagues will continue to study the links between OSA symptoms and cardiovascular diseases. They are also investigating whether screening for OSA could help heart attack patients.

Reference: “Prevalence, treatment and determinants of obstructive sleep apnoea and its symptoms in a population-based French cohort” by Pauline Balagny, Emmanuelle Vidal-Petiot, Adeline Renuy, Joane Matta, Justine Frija-Masson, Philippe Gabriel Steg, Marcel Goldberg, Marie Zins, Marie-Pia d’Ortho and Emmanuel Wiernik, 10 May 2023, ERJ Open Research.
DOI: 10.1183/23120541.00053-2023

The study was funded by Recherche Hospitalo-Universitaire iVASC.

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