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| Obstructive sleep apnoea |
Obstructive sleep apnoea/ hypopnoea syndrome (OSAHS) can be defined as the coexistence of excessive daytime sleepiness with irregular breathing at night. The abbreviations OSAS and OSA are used widely and synonymously with OSAHS. OSAHS is a significant public health problem and there is a large and increasing demand for sleep service facilities due to the high prevalence and growing public awareness of sleep disorders, including OSAHS. A conservative estimate of the prevalence of OSAHS in middle-aged men (30- 65 years) is in the range 0.3 to 4%, with most studies giving a prevalence of 1-2% which is a similar prevalence to Type 1 diabetes and approximately double that of severe asthma. The prevalence of OSAHS in middle-aged women has been less well studied but is probably about half that in males, at around 0.5 to 1%. |
The consequences of untreated sleep apnoea on daily function are multiple and include: |
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Symptoms of sleepiness and impaired concentration resulting from untreated sleep apnoea are thought to have serious consequences during activities where reduced alertness is dangerous, such as driving, leading to an increased risk of road traffic accidents. There is objective evidence for a 1.3 to 12-fold increase in accident rates among patients with OSAHS.
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| Complications due to sleep apnoea: |
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| Recommended | ||
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