Int. J. Med. Sci. 2014, Vol. 11

Ivyspring International Publisher

713

International Journal of Medical Sciences

Research Paper

2014; 11(7): 713-720. doi: 10.7150/ijms.7487

The Association between the Phenotype of Excessive Daytime Sleepiness and Blood Pressure in Patients with Obstructive Sleep Apnea-Hypopnea Syndrome Qimin Wang, Cheng Zhang, Peng Jia, Jing Zhang, Liping Feng, Shumin Wei, Yiping Luo, Li Su, Can Zhao, Hui Dong, Jing Ma, Guangfa Wang Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, 100034, China.  Corresponding author: Jing Ma, E-mail: [email protected] No 8, Xishiku Street, Xicheng District, Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China, 100034. © Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/ licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited.

Received: 2013.08.24; Accepted: 2014.03.08; Published: 2014.05.09

Abstract Objective Investigate the clinical features and the blood pressure (BP) pattern of the phenotype of excessive daytime sleepiness (EDS) in OSAHS. Methods A total of 508 Chinese adults with suspected OSAHS were referred to our sleep laboratory from October 2009 to May 2012. On the same night of polysomnography (PSG), the levels of blood pressure were measured before sleeping (bedtime BP) and immediately after waking up in the next morning (morning BP). EDS was recognized as Epworth Sleepiness Scale (ESS)≥9. Subjects were classified into four groups based on the apnea-hypopnea index (AHI) from PSG as follows: control (simple snoring) group (control, n=104) with AHI

The association between the phenotype of excessive daytime sleepiness and blood pressure in patients with obstructive sleep apnea-hypopnea syndrome.

Investigate the clinical features and the blood pressure (BP) pattern of the phenotype of excessive daytime sleepiness (EDS) in OSAHS...
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