Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Frequency of Alloicoccus otitidis, Streptococcus pneumoniae, Moraxella catarrhalis and Haemophilus influenzae in children with otitis media with effusion (OME) in Iranian patients

(2012) Frequency of Alloicoccus otitidis, Streptococcus pneumoniae, Moraxella catarrhalis and Haemophilus influenzae in children with otitis media with effusion (OME) in Iranian patients. Auris Nasus Larynx. pp. 369-373. ISSN 0385-8146

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Abstract

Objective: To determine the presence of common bacterial agents of otitis media with effusion (OME), together with investigation these agent in the adenoid tissue and antimicrobial susceptibility pattern of isolated bacteria in Iranian children with OME. Methods: Polymerase chain reaction (PCR) and bacterial culture methods were used for detection and isolation of Alloicoccus otitidis, Streptococcus pneumoniae, Moraxella catarrhalis and Haemophilus influenzae in 63 middle ear fluid samples and 48 adenoid tissues from 48 OME patients. Fifteen patients were bilaterally affected. Antimicrobial susceptibility of all bacterial isolates were determined by disk agar diffusion (DAD) method. Results: Bacteria were isolated from 47 (n = 30) of the middle ear fluid samples and 79(n = 38) of the adenoid tissue specimens in OME patients. A. otitidis was the most common bacterial isolated from the middle ear fluid 23.8 by culture and 36.5 by PCR method. S. pneumoniae was the most prevalent pathogen (35.5 and 31.2 by culture and PCR) in the adenoid tissues. In 10 patients the same organisms were isolated from the middle ear fluid and adenoid tissue. Antimicrobial susceptibility pattern showed taht most isolates of bacteria were sensitive to ampicillin, Amoxicillin/Clavulanate and fluoroquinolones. Conclusion: The present study, being the first report on the isolation of A. otitidis by culture method in Iran and Asian countries, shows that A. otitidis is the most frequently isolated bacterium in Iranian children having otitis media with effusion. In this study A. otitidis, S. pneumoniae, H. influenzae and M. catarrhalis are the major bacterial pathogens in patients with OME and we found that ampicillin and Amoxicillin/Clavulanate have the excellent activity against bacterial agents in Iranian children with OME. (C) 2011 Elsevier Ireland Ltd. All rights reserved.

Item Type: Article
Keywords: Otitis media with effusion Alloiococcus otitidis Streptococcus pneumoniae Moraxella catarrhalis Haemophilus influenzae middle-ear effusions alloiococcus-otitidis resistant-bacteria multiplex-pcr outer ear cavity fluid adenoidectomy prevalence pathogens Otorhinolaryngology
Page Range: pp. 369-373
Journal or Publication Title: Auris Nasus Larynx
Journal Index: ISI
Volume: 39
Number: 4
Identification Number: https://doi.org/10.1016/j.anl.2011.07.002
ISSN: 0385-8146
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/781

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