Department of Critical Care and Pulmonary Services, Center of Sleep Disorders, Medical School of Athens University, Evangelismos Hospital, Athens, Greece.
J Sleep Res. 2012 Dec;21(6):693-9. doi: 10.1111/j.1365-2869.2012.01018.x. Epub 2012 May 21.
Snoring is considered one of the hallmarks of sleep-disordered breathing, but its determinants remain obscure in both obstructive sleep apnoea (apnoeic) and non-apnoeic snorers. We aimed to document positional dependency of snoring along with its association with clinical and polysomnographic variables. Seventy-seven apnoeic and 27 non-apnoeic snorers who complained for every-night loud snoring and slept in supine and lateral positions in all sleep stages during overnight polysomnography were included. Snoring (i.e. sound intensity > 40 dB) was quantified by measuring the mean and maximum sound intensity, and snoring frequency. In apnoeic and non-apnoeic snorers, mean snoring intensity and snoring frequency were higher in supine than in lateral positions irrespective of sleep stage, and were also usually higher in N3 in comparison to rapid eye movement and/or N2 sleep stage in any given position. Positional change in snoring intensity as expressed by the ratio of mean intensity in the supine to lateral positions was independently and positively correlated with body mass index, tonsils size and age in the total of patients. Snoring is more prominent in the supine position and in N3 sleep stage in apnoeic and non-apnoeic snorers. Snoring positional dependence is determined by body mass index, tonsils size and age.
打鼾被认为是睡眠呼吸紊乱的标志之一，但在阻塞性睡眠呼吸暂停（呼吸暂停）和非呼吸暂停性打鼾者中，其决定因素仍不清楚。我们旨在记录打鼾的体位依赖性及其与临床和多导睡眠图变量的关系。在整夜多导睡眠图中，77 名呼吸暂停和 27 名非呼吸暂停性打鼾者抱怨每晚大声打鼾，并在仰卧位和侧卧位睡眠所有阶段睡眠。通过测量平均和最大声音强度以及打鼾频率来量化打鼾（即声音强度>40dB）。在呼吸暂停和非呼吸暂停性打鼾者中，无论睡眠阶段如何，仰卧位的平均打鼾强度和打鼾频率均高于侧卧位，并且在任何给定位置，N3 期的平均打鼾强度和打鼾频率通常也高于快速眼动和/或 N2 期。总患者中，以仰卧位与侧卧位平均强度比值表示的打鼾强度体位变化与体重指数、扁桃体大小和年龄独立且呈正相关。在呼吸暂停和非呼吸暂停性打鼾者中，打鼾在仰卧位和 N3 睡眠期更为明显。打鼾的体位依赖性由体重指数、扁桃体大小和年龄决定。
