Correlating a non-polysomnographic physiological parameter set with sleep states
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United States of America Patent
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Sep 20, 2011
Grant Date -
Jan 18, 2007
app pub date -
Apr 25, 2006
filing date -
Jun 1, 2005
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Abstract
Values of a non-polysomnographic (non-PSG) physiological parameter set may be correlated to polysomnographically (PSG) determined sleep states. The correlated values of the non-PSG parameter set and sleep states may be analyzed, and a relationship between the values and sleep states may be determined. The relationship may allow determination of sleep states for any given patient based on values of the non-PSG physiological parameter set for the patient. The non-PSG physiological parameter set does not include physiological parameters typically required for PSG, such as brain electrical activity (EEG), eye movement (EOG), and jaw or neck muscular activity or tone (EMG). Medical devices, such as implantable medical devices (IMDs) that would generally be unable to monitor such physiological parameters, may apply the relationship to values of the non-PSG physiological parameter set for a patient to identify sleep states of the patient.
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