Comput Methods Biomech Biomed Engin:人类分泌性中耳炎研究

2017-05-09 AlexYang MedSci原创

中耳炎是一种中耳的炎症性疾病。急性中耳炎和分泌性中耳炎(OME)是中耳炎的两种主要表现类型。中耳炎在儿童中非常普遍,并且可以导致中耳结构的改变最终引起听力损失。最近,有研究人员就从外耳道到内耳过程中,OME对声音传输的影响进行了研究。在生物力学研究中,研究人员利用了有限元方法。并且,在该研究中,数值模型是基于从视觉耳朵工程获得的几何资料建立起来的。通过评估计算量级、时期和正常鼓膜速度的减少,研究揭

中耳炎是一种中耳的炎症性疾病。急性中耳炎和分泌性中耳炎(OME)是中耳炎的两种主要表现类型。中耳炎在儿童中非常普遍,并且可以导致中耳结构的改变最终引起听力损失。

最近,有研究人员就从外耳道到内耳过程中,OME对声音传输的影响进行了研究。在生物力学研究中,研究人员利用了有限元方法。并且,在该研究中,数值模型是基于从视觉耳朵工程获得的几何资料建立起来的。通过评估计算量级、时期和正常鼓膜速度的减少,研究揭示了中耳中的积液是通过怎样的机制来影响听力的。同样,包括了正常镫骨速度的量级和时期情况。研究在鼓膜中利用了90Db SPL的声音压力水平,并对在100Hz到10kHz范围内的听觉频率进行了和声分析。研究发现,在鼓室中充满了积液,并且正常镫骨速度和正常鼓膜速度都减小了。并且,在鼓膜中,这种降低更加严重。

原始出处:

Areias B, Parente MPL, Santos C et al. The human otitis media with effusion: a numerical-based study. Comput Methods Biomech Biomed Engin. 1 May 2017.

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    2017-10-29 heli0118
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    2018-04-10 zhaojie88
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    2018-01-28 sunylz
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    2018-01-20 gwc392
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