Results of surgery for congenital aural atresia and stenosis.

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We analyzed the results of surgery in 16 cases of congenital aural atresia or stenosis and correlated the degree of malformation of the auricles and the ossicles. Of the 5 types of skin grafting of the external ear canal simple skin grafting was the least successful (6 out of 11).Tympanoplasty was done in all cases except one in which the tympanum was hypoplastic. Allograft tympanic membranes with attached malleus were used in 6 ears with good graft takes. Follow up tests of hearing acuity more than 6 months after operation were possible in 13 ears. Of the 7 ears in which temporal fascia had been used, the hearing was good in only 2 ears and had diminished in 5. In the 6 ears in which allograft tympanic membranes had been used, hearing remained unchanged in one ear and had gradually increased in 5 ears.
耳鼻咽喉科臨床学会の論文