PROBABLE LINK BETWEEN ISOLATION OF NOCARDIA SPP. FROM ENVIRONMENT AND HUMAN NOCARDIOSIS
- سال انتشار: 1397
- محل انتشار: نوزدهمین کنگره بین المللی میکروب شناسی ایران
- کد COI اختصاصی: MEDISM19_269
- زبان مقاله: انگلیسی
- تعداد مشاهده: 488
نویسندگان
M.Sc. student of Medical Microbiology and student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
چکیده
Background and Aim:Nocardia spp. are gram-positive, aerobic, filamentous, partial acid-fast bacteria which saprophytic lives in the environmental resources and can enter to human body through inhalation and cutaneous inclusion which cause several infection that proposed as nocardiosis in patients with underlying conditions and healthy people. The aim of this study was evaluation of relationship between isolation of Nocardia from environmental resources and clinically cases of nocardiosis in Iran.Methods:We obtained several Iranian reports of environmental and clinical studies of Nocardia spp. since 2000-2018 years, except of case reports. Then we calculate probable association of environmental and clinical original article using Chi Square (p-value < 0.05) in SPSS ver20 software; Moreover, the frequency of Nocardia spp. was also compared between this two groups.Results:We found that this hypothesis (circulation of Nocardia spp. between environment and patients) was proved (p=0.001). Clinical studies was showed that N. asteroides was the most frequent nocardial species which isolated from Iranian patients followed by N. farcinica, N. cyriacigeorgica, N. nova complex and N. otitidiscaviarum; similar to clinical studies; in the Iranian environmental studies was showed that Nocardia asteroides complex followed by Nocardia cyriacigeorgica, N. asteroides, N. otitidiscaviarum, N. kroppenstedtii and N. pseudobasiliensis was most frequent Nocardia spp. which isolated from hospital and environmental samples.Conclusion:The genus Nocardia are relatively slow growing bacteria (between 3-30 days) which can be survive and adapted with harsh environmental conditions. Based on our results this hypothesis was proved.کلیدواژه ها
Nocardia spp.; nocardiosis, Nocardia asteroides complexمقالات مرتبط جدید
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