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Title: External otitis: etiologie factors and analysis of signs and symptoms

Piotr Kurnatowski, Jolanta Filipiak
Original articles
Medical Mycology
Start page:
Final page:
external otitis, pathogens, signs, symptoms

Lack of appreciation and sometimes knowledge of the role of particular pathogenes in etiology of ear diseases can lead to long-lasting and inefficienttreatmentof patients.The objectivesof the studywere:(l) to determineetiological factorsofexternal otitis; (2) to evaluateprevalence of particular signs/ symptoms of the disease. The study consisted of 249 patients (358 ears) who presented with symptoms of external otitis. Laryngological, bacteriological and mycological examination was performed. To compare incidence of particular signs/symptoms the indicator of t Student significant difference was applied. The results of the biological and mycological investigations revealed the presence of different types of bacterial species in 53.3% ears (group I), fungi in 13.3% ears (group II), and both bacteria and fungi in 15.3% ears (group III); no microorganisms wereculturedin the materiał collectedfrom 18.1% ears. Patients of group I reportedmainlypruritus and discharge from the ear. Duringthephysical examination swellingoftheexternal auditory meatus with scant and drying discharge was found to be presentin half of patients studied. In most cases the discharge was white and without smell. Patients of group II in most cases complained of pruritus, discharge and sensation of fullness in the ear; the frequency of the reported symptoms in this group was higher by 2.4-14% than in group I. The physical examination revealed that the skin of the external auditory meatus was swollen and scant discharge orwet plugoccurred in nearly half of patients in this group. The discharge was drying orhad the appearanceof a dry pług morę rarely than in the previouslydescribed group, but it was morę frequently found to beabundant. In most cases the discharge was without smell and was characterised by white or grey colour. Patients of group III most often suffered from pruritus. The predominant clinical sign in this group of patients was swelling of the external auditory meatus accompanied by scant and drying discharge, while in some cases a dry pług of grey colour, without any smell was observed.