Abstract
Purpose: We investigated the bactericidal activity of the cerumen in patients with recurrent otitis externa. Materials and methods: Cerumen samples were collected from 2 groups. Group A (n = 20) consisted of patients with recurrent otitis externa (2 or more acute otitis externa attack in the current year) and group B (n = 30) consisted of cerumen from a healthy population. We examined the bactericidal activity against the common microorganisms ( Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Pseudomonas aeruginosa, and Enterococcus) that encounter the recurrent otitis externa. Results: A significant decrease in the count of S epidermidis was observed in group A ( P < .05) and B ( P < .01) was observed. A comparison of decreases and increases in the percentages of microorganisms between the groups A and B showed that there was a significant difference only in the count of E coli ( P ≤ .05). The count of E coli decreased in cerumen suspension in group A, but it increased in the normal population. Conclusion: We did not confirm that cerumen from patients with recurrent otitis externa had less bactericidal activity than from a healthy population.
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Schedule a callMore From: American Journal of Otolaryngology--Head and Neck Medicine and Surgery
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