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Sleep Apnoea and Memory (SAM): Protocol for a prospective study of prevalence and symptoms of sleep apnoea in memory clinics

Gabb, V. G.; Neary, C.; Mair, D.; Kendrick, A.; Russell, G.; Clayton, J.; Begum, S.; Huckstepp, R.; Turner, N.; Coulthard, E.

2026-03-10 neurology
10.64898/2026.03.09.26347943 medRxiv
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IntroductionSleep apnoea is common in older adults and a risk factor for cognitive decline and dementia but is rarely assessed in memory clinics. The Sleep Apnoea and Memory (SAM) study will assess the prevalence of sleep apnoea and identify optimal screening for sleep apnoea in memory clinics. MethodsSAM is a prospective observational multi-site study recruiting adults attending NHS memory clinics. Participants will undergo a single night of polygraphy using a home sleep apnoea test (WatchPAT 300) and complete questionnaires based on NICE guidance for sleep apnoea assessment. The primary outcome will be the prevalence of sleep apnoea. Secondary outcomes include determining sleep apnoea prevalence across different cognitive diagnoses, identifying which symptoms and risk factors which best predict sleep apnoea, and assessing feasibility of remote sleep apnoea screening. DiscussionThe SAM study will improve understanding of the extent of sleep apnoea in people attending memory clinics and inform design of an interventional trial for treating sleep apnoea in patients with cognitive impairment. Treating sleep apnoea in memory clinics may help to improve symptoms and/or prognosis for people experiencing memory problems.

Published in Frontiers in Aging Neuroscience (predicted rank #7) · training set

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