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  • Title: Management of stenosis and acquired atresia of the external auditory meatus.
    Author: Jacobsen N, Mills R.
    Journal: J Laryngol Otol; 2006 Apr; 120(4):266-71. PubMed ID: 16623969.
    Abstract:
    The aim of this study was to investigate the aetiology of acquired atresia and stenosis of the external auditory meatus and to present our results for surgical management. Over an 18-year period (from 1986 to 2004), data were collected prospectively from patient cohorts in Dundee and Edinburgh. Stenosis of the auditory meatus was due to chronic otitis externa in 64 per cent of cases, compared with 37 per cent of cases with acquired atresia; the latter had instead a history of chronic suppurative otitis media in 43 per cent. Surgical treatment of canal stenosis with meatoplasty alone achieved a widely patent ear canal in 80 per cent of cases, with 78 per cent of ears remaining free of discharge. Cases of acquired atresia treated with simple surgical excision of the soft tissue plug experienced a 100 per cent failure rate. The additional use of a split skin graft achieved a patent meatus in 70 per cent of cases, with hearing improvement in 79 per cent. However, the ear canal remained unstable and late recurrence was observed.
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