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Canal wall reconstruction and mastoid obliteration in canal wall down tympanomastoidectomized patients

Authors
 WON-SANG LEE  ;  SUNG HUHN KIM  ;  IN SEOK MOON  ;  HYUNG KWON BYEON 
Citation
 ACTA OTO-LARYNGOLOGICA, Vol.129(9) : 955-961, 2009 
Journal Title
 ACTA OTO-LARYNGOLOGICA 
ISSN
 0001-6489 
Issue Date
2009
MeSH
Adult ; Audiometry, Pure-Tone ; Bone Transplantation* ; Ear Canal/surgery* ; Female ; Humans ; Male ; Middle Aged ; Otologic Surgical Procedures/methods* ; Reconstructive Surgical Procedures
Keywords
Bone pate ; ear canal ; middle ear ; hearing
Abstract
CONCLUSION: Posterior canal reconstruction using autogenous bone pate and mastoid obliteration with allogenous cancellous bone chips (ACBCs) is a useful method to eliminate cavity problems after canal wall down tympanomastoidectomy (CWDT). It is also an appropriate method to obtain adequate middle ear space for hearing gain and to apply hearing aids for patients with poor eustachian tube function after surgery. OBJECTIVE: This study was performed to suggest a new technique for posterior canal reconstruction and mastoid obliteration and to evaluate the outcome of the surgery. PATIENTS AND METHODS: The entire posterior canal was reconstructed with autogenous bone pate, and the new isolated mastoid cavity was obliterated with ACBCs in patients who had undergone CWDT and suffered from cavity problems. Outcomes were measured by external auditory canal shape, condition of the neotympanum, hearing outcome, improvement of cavity problems, and surgical complications. RESULTS: In 90.9%, the reconstructed canal wall maintained a cylindrical shape. The drum healed without perforation/retraction in 90.9%. The average air-bone gap value was 34.5 dB hearing level (HL) before the staged operation and 17.8 dB HL after the staged operation; 95.5% had no more cavity problems. Minor postauricular wound infection was the most common complication (13.6%).
Full Text
http://informahealthcare.com/doi/abs/10.1080/00016480802510178
DOI
10.1080/00016480802510178
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Huhn(김성헌)
Moon, In Seok(문인석) ORCID logo https://orcid.org/0000-0002-3951-5074
Lee, Won Sang(이원상)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104486
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