目的：探讨中耳积液中纤维蛋白原含量与分泌性中耳炎病情迁延的关系。

Objective:To study the relationship between fibrinogen content and the protracted inflammation of secretory otitis media(SOM).

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结论：儿童的中耳疾病，如中耳负压、中耳积液、急性中耳炎、鼓膜萎缩性瘢痕，均可能造成变频耳声传射的消失。

Conclusions: Children's middle-ear diseases, such as negative pressure, SOM, AOM, and atrophic scar on the ear drum, may influence the results of DPOAE.

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回流的作用，中耳炎似乎是最为明显，年幼的儿童以及那些化脓性积液。

Reflux's role in otitis media appears to be most pronounced in younger children and those with purulent effusions.

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