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KMID : 0361020070500040296
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Korean Journal of Otolaryngology - Head and Neck Surgery
2007 Volume.50 No. 4 p.296 ~ p.299
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Surgical Outcome of Revision Stapedotomy
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Song Hyung-Min
Lee Kwang-Sun
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Abstract
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Background & Objectives: The aim of this study is to analyze the causes of recurrent conductive hearing loss following stapedotomy, and then the final hearing results.
Subjects & Methods: This study was a retrospective chart review of 6 patients who underwent revision stapedotomy for recurrent or persistent conductive hearing loss after primary stapedotomy. The intraoperative findings, surgical outcome including audiologic data and complications were noted.
Results: Obstruction of oval window fenestration was demonstrated in 5 patients (83.3%), short prosthesis in 4 patients (66.7%), incus erosion in two patients (33.3%) and granulation around prosthesis and stapes in one patient. Successful hearing improvements, air-bone gap (ABG) reduced to 20 dB or less, were achieved in 5 ears (83.3%). There were no patients who noted sensorineural hearing loss and other significant complications after surgery.
Conclusion: More than 83% of revision stapedotomy cases have had successful closure of their ABG. The most common problem was obstruction of oval window fenestration (83.3%).
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KEYWORD
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Stapes surgery, Stapedotomy, Reoperation, Hearing loss, conductive
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