01 Aug 2008
People with severe sleep apnoea have a mortality risk three times higher than those who don't suffer from the condition, a study has found.
Research published on the latest issue of the journal Sleep revealed that approximately 42 per cent of deaths in people with severe sleep apnoea were attributed to cardiovascular disease or stroke, compared with 26 per cent in people without the sleep disorder.
Lead author of the report Dr Terry Young, professor of epidemiology at the University of Wisconsin-Madison, explained: "We found that both men and women with sleep apnoea in the general population - not patients - mostly undiagnosed and untreated, had poorer survival compared with persons without sleep apnoea, given equal BMI, age and sex."
The 18-year follow-up study involved 1,522 participants aged between 30 and 60. According to the results, around 19 per cent of participants with severe sleep apnoea died, compared with about four per cent of participants with no sleep apnoea.
According to the British Snoring and Sleep Apnoea Association, obstructive sleep apnoea is the cessation of airflow during sleep preventing air from entering the lungs. In general, the condition affects an estimated four per cent of men and two per cent of women.
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