JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE B 2015 Vol.16 No.3 P.215-223

Clinical assessment and polysomnographic study of sleep apnea in a Chinese population of snorers

Author(s): Chuan Shao, Jing-bo Jiang, Hong-cheng Wu, Shi-bo Wu, Bi-yun Yu, Yao-dong Tang
Affiliation(s): Department of Respiratory Medicine, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo 315040, China
Corresponding email(s): shaochuan1984@sina.cn, docjjb1015@126.com
Key Words: Obstructive sleep apnea, Gender, Elderly, Hypoxia, Snoring

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Abstract: Background and objectives: While an increasing number of people who snore are seeking medical consultations, the clinical characteristics of snorers are rarely reported. The aim of this study is to characterize the clinical and polysomnographic features in a population of snorers. Methods: A total of 490 subjects were examined retrospectively. The clinical history, Epworth Sleepiness Scale (ESS) scores, physical examination, and full-night polysomnography (PSG) data were obtained for all the subjects. The correlations between the neck circumference, waist circumference, ESS scores, body mass index (BMI), and apnea-hypopnea index (AHI) of obstructive sleep apnea (OSA) patients were explored. The gender and age differences in OSA patients were analyzed. Results: OSA was diagnosed in 84.7% of the sample, with 21.2% of the patients having a mild form, 15.4% having a moderate form, and 63.4% having a severe form of OSA. The ESS scores, neck circumference, waist circumference, and BMI were positively correlated with AHI in OSA patients. The ESS scores and BMI were negatively correlated with nadir oxygen saturation (SaO₂). A greater number of men than women exhibited moderate to severe forms of the disease. OSA affects the work of males more commonly compared with females. Nocturia was a more common complaint in elderly OSA patients. Heart diseases coexisted more frequently with OSA in elderly patients. Conclusions: In a population of snorers, OSA is the most common condition identified. The ESS scores and BMI were well correlated with the severity of the disease. Men had a more severe form of OSA than women. Nocturia frequently occurred in elderly OSA patients, as did the coexistence of heart disease.

490例因鼾症就诊者临床特点和多导睡眠监测结果分析

中文概要：
目的：探讨因鼾症就诊者临床特点与多导睡眠监测（PSG）结果及其相关性，加深对鼾症和阻塞性睡眠呼吸暂停综合征（OSA）的理解。
创新点：较为全面地评估了因鼾症就诊者的临床特点和多导睡眠监测结果，比较了不同严重程度的OSA患者的临床特征，同时分析了性别和年龄差异对OSA患者临床特点和PSG结果的影响，有助于进一步全面深刻地理解鼾症和OSA的流行病学和临床特征。
方法：对因夜间睡眠时打鼾就诊的490名患者进行病史采集、Epworth嗜睡评分（ESS）、体格检查（BMI）和整夜多导睡眠监测（PSG）。分析OSA患者临床症状、BMI、主观嗜睡与呼吸暂停低通气指数（AHI）、夜间低氧等的相关关系，比较不同性别、不同年龄组OSA患者临床症状和病情严重程度的差异。
结论：因鼾症就诊者中OSA患者比例最高，且多数为中重度OSA。OSA患者ESS评分、BMI与病情严重程度有较好的相关性。男性OSA患者病情较女性重。老年OSA患者易出现夜尿增多，合并心脏病比例增高。

关键词：阻塞性睡眠呼吸暂停；性别；老年；低氧；鼾症

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490例因鼾症就诊者临床特点和多导睡眠监测结果分析

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