Auris, nasus, larynx · 2018
Vibrant Soundbridge implantation via a retrofacial approach in a patient with congenital aural atresia.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Ikeda Ryoukichi, Hidaka Hiroshi, Murata Takaki, Miyazaki Hiromitsu, Katori Yukio, Kobayashi Toshimitsu
Аннотация
OBJECTIVE: A method of Vibrant Soundbridge (VSB) placement to the round window (RW) via the retrofacial approach with preoperative evaluation of the relationship between the facial nerve (FN) and RW by 3D-CT reconstruction was proposed for the treatment of congenital aural atresia (CAA) patient.
METHODS: A fenestration to the mesotympanum was made mastoid portion of the FN. During the approach, part of the stapedial muscle was encountered and removed. The RW niche was identified, and the floating mass transducer was placed from an inferior approach into the RW niche.
RESULTS: There were no intra-operative or post-operative surgical complications.
CONCLUSION: The VSB placement to the RW via the retrofacial approach with partial removal of the stapedial muscle can be feasible alternative in CAA cases associated with an anteriorly and laterally positioned aberrant FN. Preoperative assessment using 3D CT may facilitate in assessing the feasibility of the approach and implantation of VSB.
METHODS: A fenestration to the mesotympanum was made mastoid portion of the FN. During the approach, part of the stapedial muscle was encountered and removed. The RW niche was identified, and the floating mass transducer was placed from an inferior approach into the RW niche.
RESULTS: There were no intra-operative or post-operative surgical complications.
CONCLUSION: The VSB placement to the RW via the retrofacial approach with partial removal of the stapedial muscle can be feasible alternative in CAA cases associated with an anteriorly and laterally positioned aberrant FN. Preoperative assessment using 3D CT may facilitate in assessing the feasibility of the approach and implantation of VSB.