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Malleus Neck-Anchoring Malleostapedotomy: Preliminary Results.
MedLine Citation:
PMID:  23069747     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To compare the hearing outcomes between 2 malleostapedotomy (MS) procedures, handle-MS, connecting the prosthesis with the malleus handle and neck-MS, connecting the prosthesis with the malleus neck. PATIENTS: Fourteen individuals having undergone MS in the setting of otosclerosis or congenital ossicular fixation from January 1983 through December 2009. INTERVENTION: Review of preoperative and postoperative audiometric data, ossicular abnormalities, and postoperative complications. MAIN OUTCOME MEASURES: Postoperative air-bone gap (ABG), closure of ABG, and postoperative changes in bone conduction thresholds. RESULTS: Of 14 patients, 7 underwent handle-MS, and 7 underwent neck-MS. Morphologic or functional abnormalities of the incus were identified in all cases. There was no significant sensorineural hearing loss. The mean postoperative ABGs were 19.8 ± 11.9 dB in the handle-MS group and 14.7 ± 5.5 dB in the neck-MS group. The postoperative ABGs for single frequencies revealed better results for neck-MS at all frequencies (0.25, 0.5, 1, 2, 3, and 4 kHz) without statistical significance. The functional success rate (ABG closure, ≤10 dB) was 28.6% for the handle-MS group and 42.9% for the neck-MS group (p > 0.05). CONCLUSION: Inasmuch as neck-MS is easy to perform and yields comparable results to those of handle-MS, it may be an alternative procedure of use in selected cases of otosclerosis or stapes fixation with incus anomaly.
Authors:
Mun Young Chang; Jeong Hun Jang; Jae-Jin Song; Kyu-Hee Han; Jun Ho Lee; Seung Ha Oh; Sun O Chang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-12
Journal Detail:
Title:  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     Volume:  -     ISSN:  1537-4505     ISO Abbreviation:  Otol. Neurotol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100961504     Medline TA:  Otol Neurotol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
*Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul; †Department of Otorhinolaryngology, Kyungpook National University College of Medicine, Daegu; and ‡Sensory Organ Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
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