Comparative study of VOTE classification in obstructive sleep apnea hypopnea syndrome patients between awake and sleep state
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摘要: 目的:比较OSAHS患者清醒和睡眠状态时上气道阻塞情况的VOTE评分。方法:经多导睡眠监测诊断为OSAHS的患者40例,分别进行清醒时Müller's检查及药物诱导睡眠内镜检查(DISE),并录像记录检查结果。统一使用VOTE评分系统描述检查过程中所观察到上气道的阻塞平面、阻塞程度及阻塞形态,比较两种检查结果的差异,并比较不同阻塞程度的患者间BMI、AHI、最低血氧饱和度及平均血氧饱和度是否存在差异。结果:清醒状态的Müller's检查主要观察到腭咽平面及口咽侧壁平面的阻塞,完全阻塞率分别为52.5%和30.0%。DISE结果提示40例OSAHS患者主要的上气道阻塞部位仍在腭咽平面,以完全阻塞为主(90.0%),其中以环形阻塞(95.0%)最为常见。口咽侧壁完全阻塞率为60.0%,舌根完全阻塞率为17.5%。根据VOTE评分,40例患者DISE检查在腭咽、口咽侧壁、舌根及会厌平面上的得分均高于清醒状态的Müller's检查,均差异有统计学意义(P<0.05)。Müller's检查中,各平面不同阻塞程度患者间的BMI、AHI、最低血氧饱和度及平均血氧饱和度均无统计学差异(P>0.05)。DISE检查结果中,腭咽平面,部分阻塞患者与完全阻塞患者的AHI值及最低血氧饱和度差异有统计学意义(P<0.05);口咽侧壁、舌根及会厌平面,不同阻塞程度的患者间上述指标均无统计学差异(P>0.05)。结论:OSAHS患者DISE检查VOTE评分明显高于Müller's检查,睡眠状态的上气道阻塞平面更多,阻塞程度更重。BMI、AHI、最低血氧饱和度及平均血氧饱和度与VOTE评分中的阻塞严重程度关联不明显。
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关键词:
- 睡眠呼吸暂停低通气综合征 /
- 阻塞性 /
- 药物诱导睡眠内镜检查 /
- Mü /
- ller's检查 /
- VOTE评分
Abstract: Objective: To compare the differences of the sites of airway obstruction in OSAHS patients between awake and sleep state by using the VOTE classification system.Method: Forty OSAHS patients diagnosed by PSG underwent awake Müller's maneuver and drug-induced sleep endoscopy(DISE).Video and compare the observation.Its findings were described using the VOTE classification system which include the following features:level,degree and configuration of obstruction.Associations were analyzed between different degrees of obstruction,BMI,AHI,minimal SaO2 and average SaO2.Result: Our patients had 52.5% complete velum collapse and 30.0% complete oropharyngeal lateral wall collapse in awake Müller's maneuver.In DISE,airway closure of 95.0% cases related to velum occurred collapse in concentric configuration,and 90.0% cases showed completely obstructive.We found that 60.0% complete oropharyngeal lateral wall collapse and 17.5% complete tongue base collapse.There was a significant difference in the VOTE scores between DISE and awake Müller's maneuver,and the VOTE scores of DISE were higher in all levels(P<0.05).No association was found between degrees of obstruction,AHI,BMI,minimal SaO2 and average SaO2 in Müller's maneuver(P>0.05).Complete velum collapse was just significantly associated with AHI and minimal SaO2 in DISE(P<0.05).Conclusion: The VOTE scores of DISE were higher than awake Müller's maneuver,reflected by more obstructive levels and severe degree.The difference between different degrees of obstruction,BMI,AHI,minimal SaO2 and average SaO2 was not significant. -
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