Abstract
To identify factors that significantly influence myringoplasty success. A retrospective study was performed of all adults and children who underwent myringoplasty from January 2005 to January 2010 in a teaching hospital. Outcome measures were tympanic membrane perforation closure and air-bone gap closure to within 20dB HL. The factors assessed were the surgeon grade, pre-operative condition of the ipsilateral and contralateral middle ears, perforation site, perforation size, graft material, and whether simultaneous cortical mastoidectomy was performed. Factors with statistically significant effects were determined by logistic regression analysis. In the adult group, the perforation site significantly influenced tympanic membrane closure (p=0.016): anterior (p=0.008) and subtotal (p=0.017) sites had the greatest influence. None of the factors proved to have a significant influence on tympanic membrane closure in the paediatric group. There was a significant association between perforation site and tympanic membrane perforation closure in adults. Anterior and subtotal perforations had a significantly reduced closure rate.
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