A PROSPECTIVE LONGITUDINAL-STUDY ON RADIATION-INDUCED HEARING-LOSS

LJC ANTEUNIS, SL WANDERS, JJT HENDRIKS, JA LANGENDIJK, JJ MANNI, JMA DEJONG

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Abstract

Recent clinical reports indicate that patients receiving radiotherapy that includes the auditory system iu the treatment volume are likely to develop an irradiation-induced healing loss. Although the early, presumed reversible, conductive hearing impairment due to secretory otitis media following radiotherapy is a sequela well known by radiation oncologists, permanent hearing loss, both conductive and sensorineural, is believed to be rare. A prospective study was performed enrolling patients receiving postoperative radiotherapy for unilateral parotid tumors. Audiometric results prior to irradiation were compared with those obtained 2 rears later. Up to 50% of the patients (9 of 18) developed a clinically relevant hearing loss in the irradiated ear, both conductive and/or sensorineural. The contralateral ear remained unaltered. The hearing loss was permanent in 6 patients (33%) and affected their quality of life. The data suggest that changes occur in the inner ear as well as in the auditory nerve and auditory brain stem with conventional irradiation schemes with daily fractions of 2 to 2.5 Gy with a total dose of 50 Gy.

Original languageEnglish
Pages (from-to)408-411
Number of pages4
JournalAmerican Journal of Surgery
Volume168
Issue number5
DOIs
Publication statusPublished - Nov-1994
Externally publishedYes
EventJoint Meeting of the Society-of-Head-and-Neck-Surgeons and the European-Organization-for-Research-and-Treatment-of-Cancer - PARIS, France
Duration: 25-May-199428-May-1994

Keywords

  • NASOPHARYNGEAL CARCINOMA
  • BRAIN-STEM
  • HEARING-LOSS
  • RADIOTHERAPY
  • IRRADIATION
  • AUDIOMETRY
  • EAR

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