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KMID : 0361020070500070584
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Korean Journal of Otolaryngology - Head and Neck Surgery
2007 Volume.50 No. 7 p.584 ~ p.589
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Revision Surgery for Chronic Otitis Media: Characteristics and Outcomes
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Hong Sa-Hyun
Cho Yang-Sun
Lee Hyun-Seok
Hong Suk-Kyung
Chung Won-Ho
Bok Kwon-Hyo
Park Shin-Hong
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Abstract
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Background & Objectives: The aim of our study is to analyze the characteristics and outcomes of revision surgery for chronic otitis media.
Subjects & Methods: Retrospective review of the revision tympanomastoidectomy from January 1, 1997 to December 31, 2004 (N=208) were performed. The control group who underwent primary canal wall down mastoidectomy (CWDM, N=51) was compared with the case group who underwent revision CWDM.
Results: As a cause of revision ear surgery, recurrent cholesteatoma comprised 38% of the cases, and granulation tissue in the unexenterated air cells were found to be 62%. Mastoid tip and perisinal air cells were most frequent sites of unexenterated air cells. CWDM was performed in 96.6% of the patients. Disease control was achieved in 88.5% of the patients. The 70.1% of revision CWDM with ossiculoplasty achieved a residual air-bone gap (ABG) of < or = 30 dB. Complications after revision surgery were wound infection (3.8%) and temporary facial nerve palsy (1.9%). In the control group, disease control rate, postoperative ABG < or = 30 dB, wound infection and facial nerve palsy were 90.2%, 90.5%, 5.9% and 0% of patients, respectively.
Conclusion: Disease control rates and complications after revision surgery are similar to primary cases. However, hearing results were worse and wound healing time was longer than primary ones.
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KEYWORD
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Otitis Media, Suppurative, Cholesteatoma, Middle ear, Revision
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