The investigators wish to prospectively determine the response to CPAP in patients presenting with mild OSA. In many healthcare systems, patients with mild OSA (AHI 5-15) are not reimbursed for treatment. Although some evidence exists of the benefits of treating mild OSA when scoring as per AASM 2007 criteria, more evidence is needed. The investigators wish to add to this pool of knowledge and also increase the inclusion criteria to include the AASM 2012 definition of mild OSA. By including the 2012 AASM definition of mild OSA, the investigators will add novel information to the field by assessing the benefits of treatment in both sub-groups of mild OSA.
Patients who visit their local sleep service for OSA investigation, and are found to have mild OSA (AHI ≤ 15) from an Apnealink polygraphy (PG) home sleep test, scored as per AASM 2007 and/or AASM 2012, will be invited to take part in the study (pre-screening). At the study visit, informed consent, baseline demographics, and standardised questionnaires will be administered. Participants will then be randomised to a CPAP treatment group or control group. After 3 months, participants will be asked to repeat the standardised questionnaires, the trial will then be complete and they will return to routine clinical care.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
301
CPAP refers to the application of positive airway pressure through a mask and tubing to splint a patients throat open at night. CPAP is considered standard treatment for OSA
Standard sleep hygiene counseling as per published guidelines
Freeman Hospital
Newcastle upon Tyne, Newcastle, United Kingdom
Blackpool Teaching Hospital
Blackpool, United Kingdom
Papworth Hospital
Cambridge, United Kingdom
Tayside Health Board, Ninewells Hospital
Dundee, United Kingdom
Aintree University Hospital
Liverpool, United Kingdom
Royal Brompton Hospital, Imperial College London
London, United Kingdom
Guys & St Thomas Hospital
London, United Kingdom
Oxford Centre for Respiratory Medicine
Oxford, United Kingdom
Derriford Hospital
Plymouth, United Kingdom
Lister Hospital
Stevenage, United Kingdom
...and 1 more locations
Change in Quality of Life Using the Energy and Vitality Subscale of the Short Form 36 (SF-36) Questionnaire
The Short Form 36 (SF-36) questionnaire measures quality of life through a range of questions asking about patients physical and mental functioning. Specifically, the Energy and Vitality subscale records patients perceptions of their levels of energy and fatigue. Participants were administered the Short Form 36 (SF-36) questionnaire at baseline and 3 months. The change in score (value at 3 months minus value at baseline) was compared between the CPAP group and the Control group. In the SF-36 Energy and Vitality subscale, an increase in score indicates improvement, with a minimum score of 0 and a maximum score of 100 possible.
Time frame: 3 months
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