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Li Y, Li Q, Zou X, Zhong Z, Ouyang Q, Zeng Q, Hu Y, Wang M, Luo Y, Yao D. Effects of CPAP treatment on electroencephalographic activity in patients with obstructive sleep apnea syndrome during deep sleep: Preliminary findings of a cross-sectional study. Chron Respir Dis 2023; 20:14799731231215094. [PMID: 37967573 PMCID: PMC10655652 DOI: 10.1177/14799731231215094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 10/30/2023] [Indexed: 11/17/2023] Open
Abstract
Study objectives: To investigate whether electroencephalographic (EEG) activities during non-rapid eye movement sleep stage 3 (N3) in obstructive sleep apnea syndrome (OSAS) patients were changed with continuous positive airway pressure (CPAP) treatment.Methods: A cross-sectional study of EEG activity during N3 sleep was conducted in 15 patients with moderate to severe OSAS without and with CPAP treatment compared to 15 normal controls. The amplitude, and absolute and relative power of delta, theta, alpha and beta waves as well as the absolute power ratio of slow to fast EEG waves (i.e., absolute power of delta and theta waves/absolute power of alpha and beta waves) and the spectral power density of 0-30 Hz EEG activities were analyzed.Results: CPAP significantly increased N3 sleep, the absolute and relative powers, amplitudes of delta and theta waves, and absolute power ratio of slow to fast EEG waves, but decreased relative alpha and beta powers during N3 sleep. However, there were no significant differences in those parameters between the OSAS patients with CPAP treatment and normal controls.Conclusions: CPAP prolongs N3 sleep and increases the power and amplitude of slow EEG waves during N3 sleep, which indicates an improvement in sleep quality and further provides evidence for recommendation of CPAP treatment for OSAS patients.
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Affiliation(s)
- Yiran Li
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Qi Li
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Xueliang Zou
- Jiangxi Mental Hospital, Nanchang University, Nanchang, China
| | - Zhijun Zhong
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Qian Ouyang
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Qinghong Zeng
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Yinyin Hu
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Mengmeng Wang
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Yaxing Luo
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
| | - Dongyuan Yao
- Neurological Institute of Jiangxi Province and Department of Neurology, Jiangxi Provincial People’s Hospital and The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Neurological Institute of Jiangxi Province and Department of Neurology, Xiangya Hospital of Central South University at Jiangxi, Nanchang, China
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