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Contralateral Ear Findings in Chronic Otitis Media
Özlem Ünsal1, Bilge Türk1, Nurullah Seyhun1
1Department of Otorhinolaryngology, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Sisli Etfal Hastanesi Tip Bulteni
|June 30, 2020
Summary
Chronic otitis media (COM) often affects both ears. Examining the unaffected ear in COM patients can reveal early signs, aiding timely treatment and preventing disease progression.
Area of Science:
- Otolaryngology
- Audiology
- Medical Research
Background:
- Chronic otitis media (COM) presents diverse otoscopic findings, potentially affecting both ears asymmetrically.
- Analyzing the contralateral ear in COM patients is crucial for early disease detection and timely intervention.
Purpose of the Study:
- To investigate otoscopic and audiologic findings in the contralateral ears of patients diagnosed with chronic otitis media (COM).
Main Methods:
- Retrospective review of institutional data from COM patients treated surgically between 2014-2017.
- Patients were categorized into two groups based on suppurative ear characteristics (cholesteatoma, polyps, refractory otorrhea vs. dry mucosa, responsive otorrhea, no cholesteatoma).
- Otosopic examination (perforation, retraction, myringosclerosis, atrophy) and audiological results of contralateral ears were compared between groups.
Main Results:
- Approximately 50% of contralateral ears exhibited otoscopic abnormalities in both groups.
- Group 1 (suppurative COM) showed significantly greater tympanic membrane retraction compared to Group 2 (p<0.05).
- Elevated mean air and bone conduction thresholds were observed in Group 1's contralateral ears compared to Group 2 (p<0.05).
Conclusions:
- Bilateral presentation of COM is possible due to shared predisposing factors.
- Early detection, monitoring, and treatment of contralateral ear abnormalities are clinically significant for preventing or delaying COM progression.
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