Continuity of the incudostapedial joint: a novel prognostic factor in postoperative hearing outcomes in congenital aural atresia

Abstract

Mean ISJ angulation of non-atretic ears was 93.06 ± 13.21° and that of atretic ears in the T2 group was 118.39 ± 19.60° (p < 0.001). Mean short- and long-term postoperative ABGs were better in the narrow T2 subgroup than in the wide T2 subgroup (p = 0.01 and 0.03, respectively). The short-term postoperative ABG and ABG change in the POR showed superior results to those of the wide T2 subgroup (p < 0.001 and 0.041, respectively).