Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
National University of Singapore
With
Ng Teng Fong General Hospital
National University Hospital, Singapore
National Heart Centre Singapore
Age
40–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1. Age of at least 40 years
2. Chinese (based on the Identity Card or other Identity Document if the subject is a non-Singapore citizen or permanent resident)
3. Physician diagnosed essential hypertension, on at least 1 medication for BP control
4. High cardiovascular risk, as defined by one or more of the following: (a) diabetes mellitus, (b) stroke, (c) significant coronary artery disease (at least one stenosis of \>50% diameter in at least one major epicardial artery), (d) chronic kidney disease, excluding polycystic kidney disease, with an estimated glomerular filtration rate of \<60 ml/min/1.73m2, or (e) age of 75 years or older.
You may not be if
1. Known OSA on treatment
2. Cheyne-Stokes breathing or predominantly central sleep apnea (\>50%)
3. Known secondary hypertension: from renal (renal artery stenosis, chronic renal failure); endocrine (aldosterone excess, pheochromocytoma, cushing's syndrome, hyperthyroidism) or cardiac causes (aortic coarctation)
4. Contraindications to CMR: implantable devices, cerebral aneurysm clips, cochlear implants, renal impairment (GRF \<30ml/min/1.73m2), claustrophobia and pregnant women
5. Contraindications to MAD: \<6 to 10 teeth in each arch, inability to advance the mandible and open the jaw widely, pre-existing temporomandibular joint problems, severe bruxism
6. Limited life expectancy (\< 1 year)
7. Hypertensive crisis, acute coronary syndromes or acute heart failure in the past 30 days
8. Known AF (not suitable for CMR and affects remodelling analysis)
Clareo Health | A Cardiosleep Research Program on Obstructive Sleep Apnea, Blood Pressure Control and Maladaptive Myocardial Remodeling