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Prevalence of otomycosis in Khouzestan Province, south-west Iran

Published online by Cambridge University Press:  20 November 2012

N Saki ,
A Rafiei ,
S Nikakhlagh ,
N Amirrajab  and
S Saki
N Saki
Affiliation:
Department of ENT, Imam Khomeini Hospital, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
A Rafiei
Affiliation:
Tropical and Infectious Diseases Research Center, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
S Nikakhlagh*
Affiliation:
Department of ENT, Imam Khomeini Hospital, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
N Amirrajab
Affiliation:
Tropical and Infectious Diseases Research Center, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran
S Saki
Affiliation:
Medical Student, Shiraz University of Medical Sciences (International Branch), Iran
*
Address for correspondence: Dr Soheila Nikakhlagh, Department of ENT, Imam Khomeini Hospital, Ahvaz Jundishapour University of Medical Sciences, Ahvaz, Iran Fax: +98 611 291838 E-mail: nikakhlagh.s@gmail.com
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Abstract

Background:

This study aimed to investigate the prevalence of otomycosis and aetiological agents in Khouzestan province, south-west Iran.

Methods:

This cross-sectional study examined and cultured 881 swabs from suspected external otitis cases, collected from throughout Khouzestan province. Fungal agents were identified by slide culture and complementary tests when necessary.

Results:

The mean patient age was 37 years. The 20–39 year age group had the highest prevalence of otomycosis: 293 cases, comprising 162 (55.3 per cent) women and 131 (44.7 per cent) men. The seasonal distribution of cases was: summer, 44.7 per cent; autumn, 28.7 per cent; winter, 14.7 per cent; and spring, 11.9 per cent. The fungal agents isolated were Aspergillus niger (67.2 per cent), Aspergillus flavus (13 per cent), Candida albicans (11.6 per cent), Aspergillus fumigatus (6.2 per cent) and penicillium species (2 per cent).

Conclusion:

Fungal otomycosis is still one of the most important external ear diseases. In this study in south-west Iran, Aspergillus niger was the predominant aetiological agent. However, clinicians should be cautious of candidal otomycosis, which has a lower rate of incidence but is more prevalent among 20–39 year olds.

Keywords

External Ear CanalFungusPrevalenceIran
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 127 , Issue 1 , January 2013 , pp. 25 - 27
Copyright
Copyright © JLO (1984) Limited 2012

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