目的研究OSAHS患者的注意网络及相关认知,探讨其可能的影响因素。
方法经神经心理学测试筛查选取2013年6月至2014年3月在合肥市第一人民医院呼吸内科睡眠监测室多导睡眠监测确诊的OSAHS患者50例,其中男43例,女7例,年龄23~60岁,平均(43±10)岁,同期纳入40名健康对照者,其中男35名,女5名,年龄24~60岁,平均(44±10)岁,对所有患者进行注意网络测试并与对照组比较。
结果OSAHS组的执行控制网络时间[(138±58)ms]较对照组[(104±37)ms]明显延长,与对照组比较差异有统计学意义( P<0.01)。OSAHS组在神经心理学背景测试MoCA评分(25.1±2.9)、stroop效应(16±11)、词汇流畅性(18±4)、数字广度测试(7.3±1.4、5.1±1.6)、HAMA焦虑(4.5±4.0)、贝克抑郁评分(4.8±3.3)与健康对照组相比较差,差异有统计学意义(均 P<0.05),而警觉、定向网络、反应时间及正确率两组差异均无统计学意义(均 P>0.05)。OSAHS组的执行网络与夜间最长呼吸暂停时间呈显著正相关( r=0.620, P<0.01),与平均氧饱和度、最低氧饱和度呈负相关( r=–0.869, –0.577,均 P<0.05)。
结论OSAHS患者存在一定程度的注意力缺损,以执行控制网络损伤尤为明显,夜间缺氧和通气不足可能是影响其注意力和执行功能的重要因素。
ObjectiveTo explore the different aspects of attention function in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS) and further to investigate the factors related to the impairments.
MethodsAfter one night polysomnography (PSG) monitoring, a total of 50 patients with OSAHS and 40 demographic-matched healthy controls received basic cognitive assessment with a neuropsychological battery and then performed the attention networks test (ANT) was performed.
ResultsCompared with healthy controls, patients with OSAHS performed significantly worse on cognitive tests and emotion evaluation including Montreal Cognitive Assessment (MoCA), stroop, verbal fluency, digital span, Hamilton anxiety scale (HAMA) and Beck depression inventory (BDI). With regard to ANT, significant group differences were found in executive control network [(138±58) ms vs (104±37)ms, P=0.003], but not in alertness [(33±36)ms vs (33±18)ms, P=0.975] or orientation [(48±30)ms vs (51±22)ms, P=0.674]. Correlation analysis indicated that the scores of the executive control network was positively correlated with the longest apnea time during the night ( r=0.620, P=0.006), but was negatively correlated with the average oxygen saturation( r=-0.869, P=0.000) and the lowest oxygen saturation( r=-0.577, P=0.019).
ConclusionsPatients with OSAHS were associated with impaired attention function, especially in the executive control network efficiency. Chronic hypoxia and apnea during the sleep may be the key factors that could diminish their attention and executive function.
Hu Ying and Pei Chong are the first authors who contributed equally to the article
胡颖,裴翀,刘菲菲,等. 阻塞性睡眠呼吸暂停低通气综合征患者注意网络的研究[J]. 中华结核和呼吸杂志,2015,38(9):659-663.
DOI:10.3760/cma.j.issn.1001-0939.2015.09.008版权归中华医学会所有。
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