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Nature and Science of Sleep Volume 13, 2021 - Issue
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Original Research

Electroencephalographic Activity and Cognitive Function in Middle-Aged Patients with Obstructive Sleep Apnea Before and After Continuous Positive Airway Pressure Treatment

Jianhua Wang1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;2 Department of Respiratory Medicine, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaORCID Iconhttps://orcid.org/0000-0001-7595-6881View further author information
ORCID Icon,
Juan Xu1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;2 Department of Respiratory Medicine, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of China;3 Department of Respiratory Medicine, The Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng City, Yancheng, People’s Republic of ChinaView further author information
,
Shuling Liu1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;2 Department of Respiratory Medicine, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaView further author information
,
Fei Han1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;4 Department of Neurology, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaView further author information
,
Qiaojun Wang1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;4 Department of Neurology, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaView further author information
,
Hao Gui1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;4 Department of Neurology, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaView further author information
&
Rui Chen1 Sleep Center, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, People’s Republic of China;2 Department of Respiratory Medicine, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, People’s Republic of ChinaCorrespondence[email protected]
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Pages 1495-1506 | Published online: 27 Aug 2021

Figures & data

Figure 1 Flow chart.

Figure 1 Flow chart.

Table 1 Demographic Data, PSG Parameters, and Questionnaires of All Participants

Table 2 PSG Parameters of the OSA Group Before and After CPAP Treatment

Table 3 Absolute Power of Each Frequency Band of EEG in the OSA Group or Control Group (μV2)

Table 4 DAR and TSR on Different Channels of EEG in the OSA Group and Control Group

Figure 2 Quantitative analysis of absolute powers of channel C3 in the first three NREM-REM sleep cycles in the OSA group and control group (A-F).

Notes: N11 refers to the N1 period in the first sleep cycle, N21 refers to the N2 period in the first sleep cycle, N12 refers to the N1 period in the second sleep cycle, and so on. Because the number of sleep cycles for each subject was not equal, only the data of the first three sleep cycles were counted.
Figure 2 Quantitative analysis of absolute powers of channel C3 in the first three NREM-REM sleep cycles in the OSA group and control group (A-F).

Table 5 Questionnaire Score Correlations with PSG and EEG Parameters

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