Abstract
Repair of complete congenital aural atresia (CAA) could be a challenging procedure due to complications reported with CAA surgery such as facial nerve palsy, canal stenosis, graft lateralization, sensorineural hearing loss or the difficulty involved in the surgical technique. From 2006 to 2009, we used a one stage-modified transmastoid approach for surgical repair of 33 ears with complete CAA via a non-randomized controlled clinical trial. Some modifications in the technique of mastoidectomy, ossiculoplasty, fascia and skin grafting and meatoplasty have been described. Patients were followed up for 12 months to assess audiometric results and post-operative complications. Changes in air-bone gap and need for revision surgery or hearing aids were assessed at follow-up. There were no cases of facial weakness, dead ear or bony canal stenosis. Hearing success in 2 months follow-up was achieved in 72.7% of all patients. Success rate increased to 92.3% in patients with Jahrsdoefer's scores of 8 and above. Overall success rate decreased to 63.6% at 12 months follow-up. There were no significant difference in Jahrsdoerfer score of patients with successful first surgical attempt and those who needed revision surgery (P value >0.056). Also patients of lower age (less than 5-years-old) did not have more need for revision surgery when compared with older patients (P value >0.36). However, being a syndromic patient did increase the need for revision surgery (P value <0.04). Age was not a predictor of meatal/canal stenosis and patients with lower Jahrsdoerfer scores could also achieve good results.
Published Version
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