Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital

Background and Objective: Conjunctiva is a mucusal surface colonized by a bacterial microflora that seems to be involved in some eye infections such as conjunctivitis, keratitis and endophtalmitis after ocular trauma, surgery or other causal condition. So it is essential to know the normal flora com...

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Autores principales:	A Soleimani, AA Sefidgar, H Ramezani
Formato:	article
Lenguaje:	EN FA
Publicado:	Babol University of Medical Sciences 2003
Materias:	conjunctiva normal flora aerobic bacteria Medicine R Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/69453c6f333c42b9963f48a939c0eb5b
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spelling	oai:doaj.org-article:69453c6f333c42b9963f48a939c0eb5b2021-11-10T09:18:22ZEvaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital1561-41072251-7170https://doaj.org/article/69453c6f333c42b9963f48a939c0eb5b2003-10-01T00:00:00Zhttp://jbums.org/article-1-2748-en.htmlhttps://doaj.org/toc/1561-4107https://doaj.org/toc/2251-7170Background and Objective: Conjunctiva is a mucusal surface colonized by a bacterial microflora that seems to be involved in some eye infections such as conjunctivitis, keratitis and endophtalmitis after ocular trauma, surgery or other causal condition. So it is essential to know the normal flora composition. The aim of this study was to know what the normal aerobic bacterial conjunctival flora is. So when the infection occurs, we can choose the antibacterial drugs, before culture and antibiogram. Methods: This experimental study was performed on 135 healthy persons without conjunctivitis who referred to the eye clinic of Shahid Beheshti hospital of Babol during 2001. Swab specimens were collected from both eyes of every case (Without use of tetracaine), and cultured on blood-agar (5%) and then medium and finally diagnostic bacteriologic studies and essential differential tests were performed on them. Findings: Among 135 studied cases, 70 were male and 65 were female. The youngest one was 1 year old and the oldest 70 years. Of 270 swab specimens, growth was in only 27.7% (n=75) of cases. Also, 41% of healthy persons had normal conjunctival aerobic bacteria. The colonization happened to be unilateral in 67% (n=37) and bilateral in 33% (n=19) of cases. Also, among 75 studied colonies, 84% (n=63) was monobacterial and 16% (n=12) was polybacterial. There were 43 positive cultures of coagulase-negative staphylococci, 11 non-pathogenic neisseria, 10 gram-negative bacilli, 7 coagulase-positive staphylococci and 4 positive cultures of gram-positive bacilli. Conclusion: Conjunctival colonization with aerobic bacteria accounts for approximately 50% of healthy people that mostly occur unilateral and consists of predominantly one aerobic bacterial species. Coagulase-negative staphylococci are the main components of this flora.A SoleimaniAA SefidgarH RamezaniBabol University of Medical Sciencesarticleconjunctivanormal floraaerobic bacteriaMedicineRMedicine (General)R5-920ENFAMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, Vol 5, Iss 4, Pp 33-36 (2003)
institution	DOAJ
collection	DOAJ
language	EN FA
topic	conjunctiva normal flora aerobic bacteria Medicine R Medicine (General) R5-920
spellingShingle	conjunctiva normal flora aerobic bacteria Medicine R Medicine (General) R5-920 A Soleimani AA Sefidgar H Ramezani Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
description	Background and Objective: Conjunctiva is a mucusal surface colonized by a bacterial microflora that seems to be involved in some eye infections such as conjunctivitis, keratitis and endophtalmitis after ocular trauma, surgery or other causal condition. So it is essential to know the normal flora composition. The aim of this study was to know what the normal aerobic bacterial conjunctival flora is. So when the infection occurs, we can choose the antibacterial drugs, before culture and antibiogram. Methods: This experimental study was performed on 135 healthy persons without conjunctivitis who referred to the eye clinic of Shahid Beheshti hospital of Babol during 2001. Swab specimens were collected from both eyes of every case (Without use of tetracaine), and cultured on blood-agar (5%) and then medium and finally diagnostic bacteriologic studies and essential differential tests were performed on them. Findings: Among 135 studied cases, 70 were male and 65 were female. The youngest one was 1 year old and the oldest 70 years. Of 270 swab specimens, growth was in only 27.7% (n=75) of cases. Also, 41% of healthy persons had normal conjunctival aerobic bacteria. The colonization happened to be unilateral in 67% (n=37) and bilateral in 33% (n=19) of cases. Also, among 75 studied colonies, 84% (n=63) was monobacterial and 16% (n=12) was polybacterial. There were 43 positive cultures of coagulase-negative staphylococci, 11 non-pathogenic neisseria, 10 gram-negative bacilli, 7 coagulase-positive staphylococci and 4 positive cultures of gram-positive bacilli. Conclusion: Conjunctival colonization with aerobic bacteria accounts for approximately 50% of healthy people that mostly occur unilateral and consists of predominantly one aerobic bacterial species. Coagulase-negative staphylococci are the main components of this flora.
format	article
author	A Soleimani AA Sefidgar H Ramezani
author_facet	A Soleimani AA Sefidgar H Ramezani
author_sort	A Soleimani
title	Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
title_short	Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
title_full	Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
title_fullStr	Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
title_full_unstemmed	Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital
title_sort	evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, babol shahid beheshti hospital
publisher	Babol University of Medical Sciences
publishDate	2003
url	https://doaj.org/article/69453c6f333c42b9963f48a939c0eb5b
work_keys_str_mv	AT asoleimani evaluationofaerobicbacterialnormalfloraofconjunctivainhealthypersonsbabolshahidbeheshtihospital AT aasefidgar evaluationofaerobicbacterialnormalfloraofconjunctivainhealthypersonsbabolshahidbeheshtihospital AT hramezani evaluationofaerobicbacterialnormalfloraofconjunctivainhealthypersonsbabolshahidbeheshtihospital
_version_	1718440107374018560

Evaluation of aerobic bacterial normal flora of conjunctiva in healthy persons, Babol Shahid Beheshti Hospital

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