抑郁发作自杀未遂患者脑源性神经营养因子水平及其相关因素研究

被引:13
作者
白战生 [1 ]
赵汉清 [1 ]
高志勤 [1 ]
汪卫华 [1 ]
余海鹰 [1 ]
仲爱芳 [2 ]
机构
[1] 解放军第一○二医院精神科
[2] 解放军第一○二医院检验科
关键词
抑郁; 自杀未遂; 脑源性神经营养因子;
D O I
暂无
中图分类号
R686 [筋腱、韧带、滑囊疾病及损伤];
学科分类号
摘要
目的探讨脑源性神经营养因子(BDNF)在抑郁发作自杀未遂者中的可能作用。方法对抑郁发作自杀未遂患者(自杀未遂组,23例)和抑郁发作无自杀行为患者(无自杀组,24例)采用汉密尔顿抑郁量表(24项,HAMD24)、Beck绝望量表(BHS)和自杀意念自评量表(SIOSS)评定抑郁严重程度、绝望程度及自杀意图的强烈程度;采用酶联免疫吸附法测定其血清BDNF浓度,并与正常对照者(对照组,30名)比较;对自杀未遂组的血清BDNF浓度与各相关因素进行Pearson相关分析。结果 (1)自杀未遂组的HAMD24[(37.8±8.7)分]、BHS[(13.0±3.8)分]及SIOSS评分[(18.1±3.9)分]均高于无自杀组[分别为(26.0±6.0)分、(7.5±4.3)分、(12.0±4.0)分;P<0.01]。(2)自杀未遂组的BDNF平均浓度[(57±16)ng/L]低于无自杀组[(75±28)ng/L;P<0.05],无自杀组的BDNF平均浓度亦低于正常对照组[(111±39)ng/L;P<0.01]。(3)自杀未遂组的血清BDNF浓度与抑郁发作的病程(r=-0.541)、BHS总分(r=-0.494)、SIOSS总分(r=-0.754)呈负相关(P<0.01~0.05)。结论低水平的BDNF可能是抑郁发作自杀未遂的一个危险因素。
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