Cresswell M, Buckland J, West P, Sparrow O
Department of ENT,Queen Alexandra Hospital, Portsmouth Hospitals NHS Trust,UK.
Department of Audiovestibular Medicine,Queen Alexandra Hospital, Portsmouth Hospitals NHS Trust,UK.
J Laryngol Otol. 2014 May;128(5):478-80. doi: 10.1017/S0022215114000814. Epub 2014 May 12.
To report a case of patulous eustachian tube which occurred after percutaneous balloon microcompression of the Gasserian ganglion.
Retrospective case review.
A 41-year-old man was referred to our audiovestibular medicine department following episodes of autophony. These symptoms appeared two weeks after percutaneous balloon microcompression performed to treat severe trigeminal neuralgia secondary to multiple sclerosis. A diagnosis of patulous eustachian tube was indicated by clinical examination and tympanometry. The symptoms were present for less than six months and improved without any specific treatment.
Percutaneous balloon microcompression is a procedure used for refractory trigeminal neuralgia that can cause transient sensory and motor deficits of any of the trigeminal nerve branches. It is proposed that injury to the mandibular division in this case caused temporary tensor veli palatini dysfunction with consequent patulous eustachian tube.
报告1例经皮穿刺球囊微压迫半月神经节后出现咽鼓管异常开放的病例。
回顾性病例分析。
一名41岁男性在出现自听过响症状后转诊至我们的耳前庭医学科。这些症状在经皮穿刺球囊微压迫治疗继发于多发性硬化的严重三叉神经痛两周后出现。临床检查和鼓室图检查提示咽鼓管异常开放。症状持续时间不到6个月，未经任何特殊治疗即有所改善。
经皮穿刺球囊微压迫是用于治疗难治性三叉神经痛的一种手术，可导致三叉神经任何分支出现短暂的感觉和运动功能缺损。推测该病例中下颌神经分支损伤导致腭帆张肌暂时功能障碍，进而引起咽鼓管异常开放。
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