Association between SaO2 levels and brain connectivity using PDC (partial directed coherence) in a Brazilian populational based sample (EPISONO)

Introduction: Desaturation during sleep is initially associated with poor quality of sleep in short term. However, in long term, due to chronically intermittent hypoxia, some degree of brain structural impairment can be detected using interconnectivity dependence measurements like PDC (partial Directed Coherence) in PSG data during sleep. Our aim is to assess the association between Desaturation among sleep stages and EEG bands with PDC levels in a Brazilian populational Based sample (EPISONO).

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