About this trial
Obstructive sleep apnea (OSA) is recurrent episodes of partial or complete obstruction of the upper airway during sleep that causes intermittent hypoxia and sleep fragmentation and leads to cardiometabolic and neurocognitive sequelae. Chronic intermittent hypoxia, sleep fragmentation of OSA, and insufficient sleep have been significantly associated with higher risks of neurocognitive impairment, including mild cognitive impairment (MCI) and Alzheimer's disease. Thus, sleep and circadian function might be modifiable neurocognitive impairment factors.
The significance of the study is to understand the relationships of MCI with sleep apnea and sleep-related symptoms, which helps pave the groundwork for further research.
Eligibility criteria
Qualifiers
Aged 18 years and above
Clinical diagnosis of mild cognitive impairment (MCI) based on Petersen's criteria. The criteria include the following: (1) memory problems, (2) objective memory disorder, (3) absence of other cognitive disorders or repercussions on daily life, (4) normal general cognitive function and (5) absence of dementia OR,
Diagnosis of subjective cognitive impairment, based on the subject's own complaint of cognitive impairment but with an unremarkable assessment of the Hong Kong version of Montreal Cognitive Assessment scores
Able to speak and read Chinese
Disqualifiers
Diagnosed psychiatric illness with or without medication, e.g. major depressive disorder.
Other clear organic causes of cognitive impairment, e.g. old stroke, brain tumour, dementia with Lewy body, Parkinson's disease, normal pressure hydrocephalus, neurosyphilis, autoimmune encephalitis, substance abuse, history of alcohol abuse.
Diagnosis of major unstable illness or cancer on active treatment
Unable to perform Home Sleep Apnea Test
Trial design
Treatments tested in this trial
- Home Sleep Apnea test (HSAT)