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Year : 2014  |  Volume : 20  |  Issue : 3  |  Page : 102-105

Ossicular chain defects in safe type of chronic suppurative otitis media

Department of Ear, Nose and Throat, ASRAM Medical College and Hospital, Eluru, Andhra Pradesh, India

Correspondence Address:
Manas Ranjan Rout
Department of Ear, Nose and Throat, Alluri Seetharama Raju Academy of Medical Sciences Medical College, Eluru, West Godavari District, Andhra Pradesh - 534 005
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-7749.136838

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Introduction: Chronic suppurative otitis media (CSOM) is a long standing infection of middle ear cleft having a permanent perforation in the tympanic membrane with or without discharge. This is of two types; tubotympanic and atticoantral disease. Tubotympanic type of CSOM is called safe type, because the rate of complication is very low and usually not associated with cholesteatoma. Ossicular chain involvement is found in both safe and unsafe type of disease. In safe type though the involvement of ossicular chain is less common, still significant numbers of patients are having hearing deterioration due to it. Materials and Methods: Present study has been conducted in the Department of Ear, Nose, and Throat (ENT), Alluri Sitarama Raju Academy of Medical Science, Eluru, AP (India). Study group includes 200 patients having safe type of CSOM selected from ENT outpatient department (OPD). Preoperatively, all patients were evaluated to identify ossicular involvement. Then they were evaluated per operatively for confirmation of preoperative findings under microscope. Results: It was found that 74 patients out of 200 are having some amount of ossicular involvement in the form of ossicular necrosis, ossicular tympanosclerosis, or ossicular fibrosis, that is, 37% cases. Thirty-eight patients are having ossicular necrosis, that is, 19% cases. Conclusion: So our study shows that in safe type of CSOM, approximately one-third patients are having some amount of ossicular involvement and one-fifth patients are having ossicular necrosis. So as an ENT surgeon, we should be competent enough to do the ossicular chain reconstruction during surgery to give the best hearing results to our patients.

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