机构地区:[1]贵州医科大学附属医院心理科,贵阳550004
出 处:《中华行为医学与脑科学杂志》2017年第5期411-415,共5页Chinese Journal of Behavioral Medicine and Brain Science
基 金:国家自然科学基金项目(81560235);贵州省科技计划支持项目(黔科合平台人才【2016】5679)
摘 要:目的研究抑郁症患者心脏的自主神经功能变化以及其脑电非线性动力学的变化规律,探讨其大脑的功能活动状态。方法使用多导心电图机ECG-92C采集47例确诊的抑郁症患者和47例健康人24h动态心电图,分析心率变异性(HRV)指标及心律失常的发生率。并将郁症患者依据PSQI(匹兹堡睡眠质量指数量表)评分标准分为A、B两组:A组(PSQI〈13分)17人;B组(PSQI≥13分)30人。同时将47名健康正常人作为正常对照组。用ZNl6E型非线性脑电分析仪分别采集上述3组在安静闭眼状态下的脑电数据,分析关联维数的变化规律。结果抑郁症组患者HRV时域指标RR间期标准差(91.31±15.11)ms、RR间期均数标准差(82.14-16.26)ms、相邻RR间期差值的均方根(37.13±8.02)ms低于对照组(P〈0.05);相邻RR间期相差超过50ms的心搏数所占百分比(11.05+7.02)低于正常对照组(P〈0.01),而频域指标中,LF(18.27-6.32)ms、LF/HF(1.07-0.33)ms高于对照组(P〈O.05),HF参数值(17.07+4.34)ms低于对照组(P〈0.05);抑郁严重指数与LF/HF呈正相关(r=0.332),抑郁严重指数与SDNN呈负相关(r=-0.296);抑郁症组心律失常发生率较高(P〈0.05)。其中单发房早,成对房早及单发室早组差异具有统计学意义(P〈O.05);抑郁症患者安静闭眼状态下,A组左枕、左中颞、左后颞D2值有轻度升高但无统计学意义(19〉0.05),B组患者左侧导联除前额以外,余脑区D2值均有升高主要以左中央区(3.91±0.37)、左顶叶(3.85±O.43)、左枕(4.10-+0.54)及左中颞部(4.20+0.61)表现显著,差异具有统计学意义(P〈O.01),右侧前额、额、中央、前颞、后颞导联D2值无明显改变。结论抑郁症患者心脏的自主神经功能与其抑郁严重程度呈正相关;抑郁症患者易发生�Objective To study the changes of cardiac autonomic nervous function and EEG non- linear dynamics character in depressive patients, and to explore the functional activity state of brain. Methods 24-hour ambulatory ECG was recorded in 47 depressive patients and 47 normal control people by multi-channel ECG machine. The index of heart rate variability, the incidence of arrhythmias and the relation- ship between HRV and the severity of depression were analyzed. Results Compared with the control group, the standard deviation of NN intervals (SDNN) ( ( 91.31 ± 15.11 ) ms), the standard deviation of normal num- ber of intervals( SDANN ) (( 82.14± 16.26)ms), the root mean square of successive differences (RMSSD) ((37.13±8.02) ms) ,the percentage of pairs of adjacent RR intervals differing by 〉50 ms (PNNS0) ( 11.05± 7.02) and High-frequency(HF) ((17.07±4.34) ms) in depression group were lower,however low-frequency (LF) ( (18.27±6.32)ms) and LF/HF( (1.07±0.33)ms) were higher(P〈0.05). There were positive linear correlation between depression severity and LF/HF(P〈0.05, r= 0.332) and negative linear correlation between depression severity and SDNN(P〈0.05, r=-0.296). Compared with control group, the incidence rate of arrhythmia of depressive group was increased, especially in supraventricular arrhythmias. In quiet state with eyes closed : compared with the control group,the level of correlation dimension (D2) in left occiput, left middle and behind temple region were increased in group A, but the difference was not statistically signif- icant.In group B, except prefrontal area, the D2 of the left hemisphere were increased especially in the left central area( 3.91 ±0.37 ), left parietal lobe ( 3.85±0.43 ), left occipital (4.10±0.54) and left temporal ( 4.20± 0.61) compared with control group (P〈 0. 01) . The brain electrical activity in other areas were not found change.Conclusion The cardiac a
关 键 词:抑郁症 心脏自主神经 心率变异性 脑电地形图 关联维数
分 类 号:R749.4[医药卫生—神经病学与精神病学]
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