Clinical Characteristics of Bilateral Chronic Otitis Media / 대한이비인후과학회지
Korean Journal of Otolaryngology - Head and Neck Surgery
;
: 821-825, 2014.
Article
in English
| WPRIM
| ID: wpr-653580
ABSTRACT
BACKGROUND AND OBJECTIVES:
The purpose of this study was to determine the prevalence of bilateral chronic otitis media (BCOM) and the ratio of unilateral or bilateral cholesteatoma in BCOM. Pre- and post-operative hearing were analyzed to see if bilateral balanced hearing were achieved. SUBJECTS ANDMETHOD:
A retrospective review was done with a computerized otologic database to identify all patients who underwent surgical treatments for COM between 1998 and 2011, and has a follow up duration for at least 6 months. Comparative analysis between pre- and post-operation hearing was measured by pure tone audiometry and achievement of bilateral balanced hearing was analyzed with 'The Belfast rule of thumb'.RESULTS:
Two hundred and eighty-one (14.5%) of 1938 patients suffered from BCOM, and of these, 73 (25.9%) of the patients with BCOM had cholesteatomas in one (12.4%) or both ears (13.5%). When a patient with BCOM is found with cholesteatoma in one ear, the odds of there being cholesteatoma in the other ear was 52.1%. According to 'The Belfast rule of thumb', it is considered difficult to achieve successful bilateral hearing gains sufficient for the patients to perceive subjective hearing improvements in BCOM.CONCLUSION:
Approximately 15% of the COM patients were found with the disease in both ears, and the odds of a patient with BCOM having cholesteatoma in one ear also having cholesteatoma in the other ear was 53.4%. It was difficult to achieve subjective, successful and balanced bilateral hearing gain with three-dimensional hearing improvements.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Otitis Media
/
Audiometry
/
Cholesteatoma
/
Prevalence
/
Retrospective Studies
/
Follow-Up Studies
/
Ear
/
Ear, Middle
/
Hearing
Type of study:
Observational study
/
Prevalence study
/
Prognostic study
/
Risk factors
Limits:
Humans
Language:
English
Journal:
Korean Journal of Otolaryngology - Head and Neck Surgery
Year:
2014
Type:
Article
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