Objective To evaluate the emotional and cognitive status in patients with obstructive sleep apnea syndrome (OSAS), using neuropsychological tests and evoked-related potential (P3). Methods Sixteen patients diagnosed o...Objective To evaluate the emotional and cognitive status in patients with obstructive sleep apnea syndrome (OSAS), using neuropsychological tests and evoked-related potential (P3). Methods Sixteen patients diagnosed of OSAS were tested by Hamilton rating scale for anxiety (HRSA) and Hamilton rating scale for depression (HRSD). Other three groups, OSAS patient group (n=21), snoring group (n=21), and control group (n=21), were administered polysomnography (PSG), auditory evoked event-related potential (P3), and clinic memory test. The results were analyzed using general linear model (GLM) analysis and Post Hoc test. Results Twelve OSAS patients’ scores of HRSA and HRSD were beyond the normal range, 26.42 ±4.48 and 22.08 ±3.97 respectively. The auditory P3 latency in OSAS group was 363.1 ±22.9 ms (Fz), 368.57 ±28.03 ms (Cz), in snoring group 336.57 ±31.08 ms (Fz), 339.81 ±31.76 ms (Cz), in control group 340.8 ±28.7 ms (Fz), 338.29 ±29.21 ms (Cz). There were significant differences between OSAS group and snoring group, as well as control group (P< 0.05). No significant difference was seen between snoring group and control group. No significant difference was noted in P3 amplitude among three groups. Memory quotient (MQ) reduced in snoring group compared with control group. Conclusions Emotional disturbances are common clinical features in OSAS patients. Abnormal auditory P3 latency indicates the cognitive dysfunction in OSAS patients. Nocturnal hypoxaemia may play an important role on it. Snorers should be monitored because of the tendency to develop cognitive impairment.展开更多
目的研究事件相关电位(ERP)N170成分在视空间功能障碍帕金森病(PD)患者中的变化,探讨PD早期认知功能障碍的检测手段。方法选择临床诊断为PD的患者50例,进行神经心理学量表评估后,分为2组:视空间功能正常组(正常组)20例和视空间功能受损...目的研究事件相关电位(ERP)N170成分在视空间功能障碍帕金森病(PD)患者中的变化,探讨PD早期认知功能障碍的检测手段。方法选择临床诊断为PD的患者50例,进行神经心理学量表评估后,分为2组:视空间功能正常组(正常组)20例和视空间功能受损组(受损组)30例。采用面孔学习-再认试验模式,利用ERP技术,记录10导联脑电数据、正确反应率及反应时间、N170的波幅、潜伏期、行为学指标和神经心理学量表评分,并进行分析。结果受损组蒙特利尔认知评估量表评分明显低于正常组(P<0.05),受损组对已学习过面孔识别的正确率低于正常组(51.6% vs 60.0%,P<0.05)。受损组仅在T6导联熟悉面孔事件诱发N170的波幅高于正常组(P<0.05)。受损组在F7、F8、O1及T5导联N170的潜伏期或波幅在熟悉状态和陌生状态下比较,差异有统计学意义(P<0.05)。结论蒙特利尔认知评估量表可用于PD患者早期认知损害的评估,面孔学习再认试验方法对检测PD患者视空间能力损害具有临床价值。ERP N170在面孔再认阶段对于检测PD患者视空间能力损害不敏感。展开更多
文摘Objective To evaluate the emotional and cognitive status in patients with obstructive sleep apnea syndrome (OSAS), using neuropsychological tests and evoked-related potential (P3). Methods Sixteen patients diagnosed of OSAS were tested by Hamilton rating scale for anxiety (HRSA) and Hamilton rating scale for depression (HRSD). Other three groups, OSAS patient group (n=21), snoring group (n=21), and control group (n=21), were administered polysomnography (PSG), auditory evoked event-related potential (P3), and clinic memory test. The results were analyzed using general linear model (GLM) analysis and Post Hoc test. Results Twelve OSAS patients’ scores of HRSA and HRSD were beyond the normal range, 26.42 ±4.48 and 22.08 ±3.97 respectively. The auditory P3 latency in OSAS group was 363.1 ±22.9 ms (Fz), 368.57 ±28.03 ms (Cz), in snoring group 336.57 ±31.08 ms (Fz), 339.81 ±31.76 ms (Cz), in control group 340.8 ±28.7 ms (Fz), 338.29 ±29.21 ms (Cz). There were significant differences between OSAS group and snoring group, as well as control group (P< 0.05). No significant difference was seen between snoring group and control group. No significant difference was noted in P3 amplitude among three groups. Memory quotient (MQ) reduced in snoring group compared with control group. Conclusions Emotional disturbances are common clinical features in OSAS patients. Abnormal auditory P3 latency indicates the cognitive dysfunction in OSAS patients. Nocturnal hypoxaemia may play an important role on it. Snorers should be monitored because of the tendency to develop cognitive impairment.
文摘目的研究事件相关电位(ERP)N170成分在视空间功能障碍帕金森病(PD)患者中的变化,探讨PD早期认知功能障碍的检测手段。方法选择临床诊断为PD的患者50例,进行神经心理学量表评估后,分为2组:视空间功能正常组(正常组)20例和视空间功能受损组(受损组)30例。采用面孔学习-再认试验模式,利用ERP技术,记录10导联脑电数据、正确反应率及反应时间、N170的波幅、潜伏期、行为学指标和神经心理学量表评分,并进行分析。结果受损组蒙特利尔认知评估量表评分明显低于正常组(P<0.05),受损组对已学习过面孔识别的正确率低于正常组(51.6% vs 60.0%,P<0.05)。受损组仅在T6导联熟悉面孔事件诱发N170的波幅高于正常组(P<0.05)。受损组在F7、F8、O1及T5导联N170的潜伏期或波幅在熟悉状态和陌生状态下比较,差异有统计学意义(P<0.05)。结论蒙特利尔认知评估量表可用于PD患者早期认知损害的评估,面孔学习再认试验方法对检测PD患者视空间能力损害具有临床价值。ERP N170在面孔再认阶段对于检测PD患者视空间能力损害不敏感。