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目的:探讨觉醒在儿童阻塞性睡眠呼吸暂停低通气综合征(OSAHS)中的变化与意义。方法:采用32导PSG监测仪,Polysmith睡眠分析软件,按国际通用标准导联连接方法,对48例睡眠呼吸障碍儿童进行整夜监测。按国际通用标准,对比分析OSAHS患儿(OSAHS组)与单纯打鼾儿童(单纯打鼾组)的觉醒变化。结果:OSAHS组的学龄前亚组和学龄期亚组非快速眼动期(NREM)1、2、3期加4期和快速眼动期(REM)几项指标,分别与单纯打鼾组的学龄前亚组和学龄期亚组比较,差异均无统计学意义(均P>0.05);而伴AHI觉醒指数(ArI)、伴腿动(LM)的ArI和总ArI指数OSAHS组的学龄前亚组均明显高于单纯打鼾组的学龄前亚组(均P<0.05);而伴鼾声ArI、自发性ArI分别与单纯打鼾组的学龄前亚组和学龄期亚组比较,差异均无统计学意义(均P>0.05)。结论:OSAHS组患儿的睡眠为不安定睡眠,这种睡眠虽未造成睡眠结构的改变,但引起伴AHI的ArI、伴LM的ArI与总ArI数量的增加。
Objective: To investigate the changes and significance of awakening in children with obstructive sleep apnea-hypopnea syndrome (OSAHS). Methods: Forty-eight children with sleep-disordered breathing were monitored overnight using a 32-lead PSG monitor and Polysmith sleep analysis software in accordance with the international standard lead connection method. According to the common international standards, the changes of awakening in OSAHS group and simple snoring children (simple snoring group) were compared and analyzed. Results: There were several indicators of NREM stage 1, 2 and 4 and REM in OSAHS group, which were compared with those of snoring alone group There was no significant difference between the pre-subgroups and the preschool-age subgroups (all P> 0.05), whereas the preschool children with AHI arousal index (ArI), ArI with leg movement (LM) and OSAHS group with total ArI index (All P <0.05). However, there was no significant difference in ArI and spontaneous ArI between snoring and snoring alone in pre-school and post-school-age subgroups Significance (all P> 0.05). Conclusion: The sleep of children with OSAHS is restless sleep. Although this sleep does not cause the change of sleep structure, it causes the ArI with AHI, the ArI with LM, and the increase of total ArI.