Obstructive sleep apnea (OSA) places an enormous pressure load on the cardiovascular
system by inducing a temporary blood pressure (BP) surge during apnea episodes. This pressure load
is regarded as a potential mechanism of development of cardiovascular diseases such as stroke.
Therefore, accurate measurement of such BP surges would be valuable for the risk stratification of
OSA patients. Recently we developed a new triggered nocturnal BP monitoring system (TNP) based
on oxygen desaturation and have achieved success to detect BP surges with OSA. TNP would be a
promising tool for assessment of cardiovascular risks in sleep apnea syndrome.
Keywords: Ambulatory blood pressure monitoring, IT-based home blood pressure monitoring, nocturnal blood pressure,
obstructive sleep apnea syndrome, sleep blood pressure surge, triggered nocturnal blood pressure monitoring.
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