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Contralateral Hearing Loss After Resection of Vestibular Schwannoma in a Patient with Neurofibromatosis 2: Case Report and Literature Review.
Tripathi, Manjul; Satapathy, Ayusman; Chauhan, Ravi Bharatbhai; Batish, Aman; Gupta, Sunil K.
Afiliação
  • Tripathi M; Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
  • Satapathy A; Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
  • Chauhan RB; Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
  • Batish A; Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
  • Gupta SK; Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India. Electronic address: drguptasunil@gmail.com.
World Neurosurg ; 117: 74-79, 2018 Sep.
Article em En | MEDLINE | ID: mdl-29902600
ABSTRACT

BACKGROUND:

Resection of a vestibular schwannoma may result in facial paralysis and hearing loss on the side of the tumor. We evaluated clinical, audiologic, and intraoperative events and radiologic parameters in a case of contralateral side sensorineural hearing loss. We also performed a literature search using PubMed. CASE DESCRIPTION A 25-year-old woman with neurofibromatosis 2 developed contralateral side sensorineural hearing loss immediately after resection of vestibular schwannoma. The patient regained partial hearing with a short course (2 months) of steroid therapy over 6 months.

CONCLUSIONS:

Literature search yielded 20 cases. We evaluated possible etiology, pattern, extent, recovery, and final outcome in these patients with management options. Several etiologies have been proposed, including development of endolymphatic hydrops, vascular phenomenon, mechanical injury, barotrauma, and autoimmune cochleolabyrinthitis. Sudden release of cerebrospinal fluid seemed to be the most likely explanation in the present case. There is no way to predict this complication beforehand. Operating in supine position, slow release of cerebrospinal fluid, irrigation of the operating field, maintenance of normotension, and judicious use of the drill may help in prevention. A short course of corticosteroids and vasodilators helped in spontaneous recovery in most of the cases.
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Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Complicações Pós-Operatórias / Neuroma Acústico / Neurofibromatose 2 / Perda Auditiva Neurossensorial Tipo de estudo: Prognostic_studies Limite: Adult / Female / Humans Idioma: En Revista: World Neurosurg Assunto da revista: NEUROCIRURGIA Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Índia

Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Complicações Pós-Operatórias / Neuroma Acústico / Neurofibromatose 2 / Perda Auditiva Neurossensorial Tipo de estudo: Prognostic_studies Limite: Adult / Female / Humans Idioma: En Revista: World Neurosurg Assunto da revista: NEUROCIRURGIA Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Índia