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Sci Rep:人类耳蜗组织病理学反应了主要神经退化的临床特征

2017-07-20 AlexYang MedSci原创

听觉神经病变是一种显著的和正在研究的人类听力损失的起因,不管感觉细胞典型功能,可在表现为异常耳蜗神经功能的病人中诊断。因为人类内耳在活人中不可能可视化,尸检标本的组织病理学分析对理解该病理的细胞机制非常重要。最近,有研究人员展现了重度主要神经退化的统计学模型,并且阐释了该病病理与纯音听力测定阈值和言语识别得分的关系,并与年龄相匹配的对照组进行比较,且每10年进行数据生成。研究发现,从23名病人的3

听觉神经病变是一种显著的和正在研究的人类听力损失的起因,不管感觉细胞典型功能,可在表现为异常耳蜗神经功能的病人中诊断。因为人类内耳在活人中不可能可视化,尸检标本的组织病理学分析对理解该病理的细胞机制非常重要。

最近,有研究人员展现了重度主要神经退化的统计学模型,并且阐释了该病病理与纯音听力测定阈值和言语识别得分的关系,并与年龄相匹配的对照组进行比较,且每10年进行数据生成。研究发现,从23名病人的30只耳朵分析中表明,重度神经损伤与提高的听力测定阈值和不良言语识别相关。在总神经元损失中每增加10%,病人在每个听力测定频率的平均阈值就增加6.0听dB听力水平(HL)。由于神经元损失的增加,阈值升高在低听力测定频率中要比高频率发生更加迅速。纯音平均在重度神经病理案例中与言语识别得分紧密一致。最后,研究人员指出,人类内耳的组织病理研究将持续性的强调对非侵入或者最小限度的侵入临床工具的需要,从而有能力建立细胞水平的诊断

原始出处:

Jessica E. Sagers, Lukas D. Landegger, Steven Worthington et al. Human Cochlear Histopathology Reflects Clinical Signatures of Primary Neural Degeneration. Sci Rep. 07 July 2017.

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    2017-07-22 1e0e5697m83(暂无匿称)

    henhao

    0

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    2017-07-22 189****7206

    学习了谢谢分享

    0

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    2017-07-22 飛歌

    学习了很有用

    0

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    2017-07-21 thlabcde

    好东西学习了!

    0

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    2017-07-21 jktdtl

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