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Stroke:脑卒中病变部位与抑郁症状之间的相关性分析

2021-03-04 MedSci原创 MedSci原创

左腹外侧前额叶皮层病变增加了卒中后抑郁症状的风险。大脑右侧半球内的病变与抑郁症状无关。认识到左额叶病变是危险因素,应通过更好的危险分层来帮助早期诊断卒中后抑郁。

卒中后抑郁是常见的卒中后遗症,但其神经生物学机制仍未明确。

近日,血管疾病领域权威杂志Stroke上发表了一篇研究文章,该研究旨在明确特定病变部位是否与卒中后抑郁症状有关。

在这项前瞻性研究中,研究人员对270名首次卒中的患者在卒中后4周至6月内用医院焦虑和抑郁量表中的抑郁子量表进行了反复检测。研究人员根据临床影像学检查结果基于体素的病灶行为映射来评估抑郁症状与病变部位之间的关系。

卒中后6个月抑郁的发生率(医院焦虑和抑郁量表-D评分>7)为19.6%,在卒中后头4周内较高的医院焦虑和抑郁量表D评分是患者6个月时出现卒中后抑郁的唯一独立预测因子,该多元Logistic回归还纳入了年龄、性别、病灶量、卒中严重程度、Barthel指数和医院焦虑和抑郁量表中焦虑子量表得分。根据基于体素的病灶行为映射的非参数置换检验确定了大部分位于左腹外侧前额叶皮层内的体素簇,这些病变与卒中后6个月更多的抑郁症状显著相关。但在大脑右半球没有发现这种相关性。

由此可见,左腹外侧前额叶皮层病变增加了卒中后抑郁症状的风险。大脑右侧半球内的病变与抑郁症状无关。认识到左额叶病变是危险因素,应通过更好的危险分层来帮助早期诊断卒中后抑郁。这些结果与功能成像和无局灶性脑损伤患者的无创性脑刺激证据一致,表明左外侧前额叶皮层功能障碍可导致抑郁症状。

原始出处:

Julian Klingbeil.et al.Association of Lesion Location and Depressive Symptoms Poststroke.stroke.2021.https://www.ahajournals.org/doi/10.1161/STROKEAHA.120.031889

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    2021-03-25 122a5e4fm30暂无昵称

    👍

    0

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    2021-03-04 健健

    卒中虽然是临床上常见病,溶栓,取栓等血管内治疗也很成熟,但是仍然有很多未知问题有待认知!

    0

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