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Otology & Neurotology:
doi: 10.1097/MAO.0000000000000322
Review Article

Treatment of Traumatic Stapediovestibular Luxation: Case Report With the Introduction of a New Technique and Review of Literature

Bogaerts, Marie; Waterval, Jérôme; van Dinther, Joost; Somers, Thomas; Zarowski, Andrzej; Offeciers, Frans Erwin

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Abstract

Objective

Stapediovestibular luxations are rare lesions that are most commonly caused by direct, penetrating trauma to the external ear canal. In this type of ossicular dislocation, disruption of the annular ligament or footplate fracture may lead to a perilymphatic fistula (PLF) presenting with cochleovestibular symptoms including (progressive) sensorineural hearing loss, tinnitus, and vestibular symptoms. The objective of this article is to define the optimal treatment of stapediovestibular luxations and review the literature on this topic.

Patient

We present a case of internal stapediovestibular dislocation and pneumolabyrinth after penetrating trauma with predominantly conductive hearing loss and incapacitating vertigo.

Intervention

Middle ear inspection with removal of the luxated incus, repositioning of the stapes with a “stapedial strut” and closure of the tympanic membrane.

Main outcome measures

Hearing outcome and vestibular symptoms of this patient are presented, and all comparable cases in the literature are reviewed.

Results

Complete resolution of the vestibular symptoms and stabilization of the bone conduction thresholds.

Conclusion

In patients with pneumolabyrinth after middle ear trauma with mild symptoms, we recommend initial conservative treatment with close monitoring of hearing. In patients with severe, persisting, or progressive vestibulocochlear symptoms, exploratory tympanotomy should be performed to check for and treat PLF. Oval window fistula repair is reported to have variable hearing outcomes but offers complete resolution of vestibular symptoms in most cases. The stapedial strut is one of the possible surgical techniques in case of an internally luxated stapes.

Copyright © 2014, Otology & Neurotology, Inc.

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