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中耳创伤的评估和治疗

Authors
Adele Karen Evans, MD, FAAP
Steven D Handler, MD, MBE
Section Editors
Richard G Bachur, MD
Maria E Moreira, MD
Deputy Editor
James F Wiley, II, MD, MPH
Translators
江满杰, 副主任医师,副教授

引言

头部钝伤或贯通伤、直接耳创伤或气压伤(由于诸如爆炸伤、航空旅行或带水肺潜水的事件)可导致中耳创伤。小儿和成人损伤需要的治疗步骤相同。治疗单纯性鼓膜小穿孔的患者可针对污染伤口使用抗生素滴耳剂、防水(防止中耳进水)及评估以确保穿孔愈合。显著听力损失(≥40dB)、眩晕、眼球震颤、共济失调、或面神经损伤的患者,需立即由耳鼻喉科医生(ear, nose and throat surgeon, ENT surgeon)评估,必要时还需其他专科医生评估(如神经外科医生评估颅脑损伤)。

中耳钝伤或贯通伤的治疗总结在此。耳气压伤和颞骨骨折的评估和治疗将单独讨论。 (参见“耳气压伤”“儿童颅骨骨折的临床表现、诊断和治疗”“成人颅骨骨折”)

流行病学

多达1/3的严重颅脑损伤及超过一半的颞骨颅底骨折患者会发生中耳损伤、邻近内耳结构损伤或两者合并损伤[1-3]。这些损伤包括鼓室积血(图片 1)、听力损失、脑脊液(cerebrospinal fluid, CSF)瘘、耳囊损伤和外伤性外淋巴瘘[1-5]。

如果颞骨骨折合并有面神经麻痹、脑脊液耳漏或兼有两种情况,那么耳囊损伤的可能性为4-5倍[4]。

中耳创伤也可继发于外耳道直接钝伤[如掌掴耳朵(“拳击耳”)、滑水或滑雪时摔倒压在耳朵上、机动车碰撞或运动损伤(如摔跤)],或者是贯通伤(如棉签、火柴梗、枪伤或者是锻接或焊接火花)[3,4,6-9]。

                         

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Literature review current through: 2017-06 . | This topic last updated: 2016-08-11.
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