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A study of chorda tympani nerve injury and related symptoms following middle-ear surgery

  • P Gopalan (a1), M Kumar (a1), D Gupta and J J Phillipps

Abstract

This is a prospective study that looks into the prevalence of chorda tympani nerve (CTN) injury and related symptoms following varying degrees of trauma to the nerve during three common types of middle-ear operation: myringoplasty, tympanotomy and mastoidectomy. The number of patients with CTN-related symptoms varied widely between the three groups. Increased occurrence of the nerve related symptoms and a prolonged recovery time were observed in the tympanotomy group. Stretching of the nerve produced more symptomatic cases than cutting it in the myringoplasty and mastoidectomy groups. Recovery was complete in 92 per cent of the symptomatic patients by 12 months. It is important to inform patients about the possibility of CTN injury during middle-ear operations, and it should also be emphasized that symptoms related to CTN injury can occur irrespective of the type of damage to the nerve.

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Keywords

A study of chorda tympani nerve injury and related symptoms following middle-ear surgery

  • P Gopalan (a1), M Kumar (a1), D Gupta and J J Phillipps

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