Prolonged Overnight Oximetry in Obstructive Sleep Apnoea

Launched by SOMERSET NHS FOUNDATION TRUST · Feb 26, 2020

Keywords

ClinConnect Summary

Obstructive sleep apnoea (OSA) is a common condition, effecting an estimated 1.5 million people in the UK and it is believed up to 80% of them may be undiagnosed \[1\]. During sleep the muscles supporting the upper airway tend to relax and the throat narrows. In patients with OSA the narrowing leads to collapse and pauses in breathing. These pauses in breathing are accompanied by a decrease in arterial oxygen saturation and to overcome the airway collapse the body responds by producing a surge in the sympathetic nervous system. This has the effect of stimulating the pharyngeal muscles to re...

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Eligibility criteria

• Inclusion Criteria:
• • Willing to participate and give informed consent to participate
• • Male or Female aged 18 years or older
• • Referral letter or request to sleep service reports an Epworth Sleepiness Score of greater than 9 or reason for the referral is 'excessive daytime sleepiness'
• Exclusion Criteria:
• • Significant cardiovascular or respiratory co-morbidities
• • Suspected hypoventilation or sleep disordered breathing
• • Previously used Non-invasive ventilation
• • In the Investigators opinion an alternative diagnostic test should be offered as first line e.g. referral information suggests an inpatient sleep study is required.