Outcome of Incus Interposition after Preservation in Soft Tissue
Publish place: Iranian Journal of Otorhinolaryngology، Vol: 29، Issue: 2
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJOTO-29-2_004
تاریخ نمایه سازی: 12 تیر 1398
Abstract:
Introduction: The lenticular process of the incus succumbs to necrosis in chronic otitis media. Few researchers have addressed the issue of autograft incus preservation in the soft tissue of the tragus or mastoid cavity. Nonetheless, preservation of the incus in this method during the second stage of ossiculoplasty is a subject that is still up for debate. This study was carried out to demonstrate the hearing outcome after a modification of the incus interposition technique, which involved preserving it in the periauricular soft tissue. Materials and Methods: In the primary operations, tympanoplasty was performed with a postauricular incision. At the end of the surgery, a small pocket was created to preserve the incus beneath the temporalis fascia. The second stage of ossiculoplasty was performed 6 to 18 months after the primary operation. Post-operative pure tone audiometry was analyzed after at least 12 months and was considered successful after achieving an air-bone gap (ABG) within 20 dB. Results: In this paper, we analyzed 199 ears. The mean duration of follow up was 2.5 years. We achieved post-operative ABG within 20 dB in 157 patients (78.9% of patients). Conclusion: This study indicates the efficacy and safety of incus interposition when it is preserved in the postauricular soft tissue.
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Authors
Mohammad Faramarzi
Otolaryngology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Sareh Roosta
Otolaryngology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Mahboobe Dianat
Department of Otolaryngology, Shiraz University of Medical Sciences, Shiraz, Iran
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