Effects of sleeping body posture on sleeping structure and respiratory events in patients with OSAHS
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摘要: 目的:研究OSAHS患者体位改变对睡眠结构、呼吸事件的影响并进行相关分析。方法:对80例OSAHS患者行ESS嗜睡量表评分,并按AHI分为OSAHS轻度组(5≤AHI<15)、中度组(15≤AHI<30)和重度组(AHI≥30),比较不同程度的OSAHS患者在不同体位时的睡眠结构、呼吸事件之间的差异。结果:体位发生改变时,OSAHS重度组与轻、中度组比较,REM%、NREM%、NREM LSaO2、RDI、
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关键词:
- 睡眠呼吸暂停低通气综合征 /
- 阻塞性 /
- 睡眠体位 /
- 呼吸暂停指数
Abstract: Objective:To observe the effects of sleeping body posture on sleeping structure and respiratory events in patients with OSAHS.Method:We assessed the sleeping body position, the sleeping structure, position specific AHI and the Epworth Sleepiness Scale (ESS) in a total of 80 patients with Positional OSAHS. The patients were grouped according to AHI:mild OSAHS (5 ≤ AHI<15), moderate (15 ≤ AHI<30) and severe (AHI ≥ 30). The polysomnography data and clinical characteristics were compared between each group. Result:The severe OSAHS group, when compared with the mild and the moderate ones, had a significant different in REM%,NREM%,NREM LSaO2,RDI,S-AHI and L-AHI due to posture(P<0.05). The severe and the mild OSAHS groups had significant different in MSaO2,LSaO2 due to posture(P<0.05). The moderate and the mild OSAHS group had significant different in LSaO2,REM LSaO2 and RDI(P<0.05). In all mild,moderate and severe groups,the LT% were higher than ST%, but the difference was not significant(P>0.05).For mild-to-moderate groups,there was no correlation between the ESS and the AHI for any position different(P>0.05). For severe group, the ESS was significantly correlated with L-AHI(r=0.551;P<0.01);the REM L-AHI and NREM L-AHI was also significantly correlated with ESS of severe group (r were 0.516 and 0.528,P<0.01). Conclusion:The L-AHI,NREM L-AHI,REM L-AHI and NREM LSaO2 were considered to monitor the stability of OSAHS,while REM LSaO2 were consider to clarify the severity of OSAHS.-
Key words:
- sleep apnea-hypopnea syndrome /
- obstructive /
- sleeping position /
- apnea-hypopnea index
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