Parasitic infections of the intestine

Schuster, Helmut; Chiodini, Peter L.

doi:10.1097/00001432-200110000-00013

Cited by 41 publications

(25 citation statements)

References 39 publications

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“…It has been estimated that infections caused by intestinal protozoa and helminths affect 3.5 billion people worldwide and cause disease in approximately 450 million people, most of whom are children 5,6 .…”

Section: Palavras-chavesmentioning

confidence: 99%

Prevalence of intestinal parasites in preschool children in the region of Uberlândia, State of Minas Gerais, Brazil

Gonçalves

Belizário

Pimentel

et al. 2011

Rev. Soc. Bras. Med. Trop.

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Introduction: Children are an important high-risk group for helminth and protozoa infections. Daycare centers are environments where children have proven to be more susceptible to acquiring intestinal parasites. Thus, the purpose of this study was to verify the prevalence of intestinal parasites in children who attended the two daycare centers maintained by the local government of Uberlândia, State of Minas Gerais, Brazil. Methods: Fecal samples were collected from 133 children (73 children at the Public Preschool for Early Childhood Education, PPECE A, and 60 at the PPECE B) following identification according to sex and age and agreement to participate by parents or guardians who signed the free, informed consent form. The samples were examined by the Lutz method. Results: Coproparasitological tests performed on 133 children showed that 29.3% of them were parasitized for enteroparasites or commensals, 6.7% of the children presented polyparasitism. Among the protozoa, Giardia lamblia were the most prevalent and Hymenolepis nana were the most frequent among the helminths. Conclusions: Thus, analysis of the results showed that intestinal parasites still represent a public health problem, especially among children and in areas where the socioeconomic and educational conditions are less favorable.

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Section: Palavras-chavesmentioning

confidence: 99%

Prevalence of intestinal parasites in preschool children in the region of Uberlândia, State of Minas Gerais, Brazil

Gonçalves

Belizário

Pimentel

et al. 2011

Rev. Soc. Bras. Med. Trop.

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“…According to the world health organization (WHO) report, approximately 3.5 million patients worldwide suffer helminthic and protozoan infections, which resulted in almost 450 million deaths per the year (3,4).…”

Section: Introductionmentioning

confidence: 99%

A Survey on Prevalence of Intestinal Parasites Infections in Patients Referred to the Public Hospital in Khoy, West Azarbaijan Province, Iran, 2014 - 2016

Kazemi¹,

Rostamkhani²,

Hooshyar³

2017

Avicenna J Clin Microbiol Infect

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Background: Intestinal parasites are one of the most important human infections in many tropical and sub-tropical areas. Objectives:The aim of the present study was to determine the prevalence of intestinal parasites and their association with some demographic factors in patients referred to the Ghamar Bani Hashem hospital Khoy, West Azarbaijan province. Methods: This cross-sectional study was conducted from April 2014 to March 2016. Stool samples of 5610 patients referred to the Ghamar Bani Hashem hospital were examined using the formalin-ether concentration and direct smear methods. Determination of intestinal parasites was based on the morphological characteristics of the parasites. The scotch tape method was used for detection of Enterobius vermicularis ova in 133 suspected individuals. Microscopic results were recorded and analyzed.

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“…However, the sensitivity and specificity appear to be rather low, as identification depends on the experience and skills of the microscopist (36). Monoclonal antibodies against cryptosporidium antigens are successfully used for fluorescence microscopy and in antigen ELISAs (4,12,28). However, nonspecificity of antibodybased methods owing to cross-reactivity with other microorganisms and low sensitivity is reported to be problematic (3,9,10,18,36,37).…”

mentioning

confidence: 99%

Simultaneous Detection of Entamoeba histolytica , Giardia lamblia , and Cryptosporidium parvum in Fecal Samples by Using Multiplex Real-Time PCR

et al. 2004

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Entamoeba histolytica, Giardia lamblia, and Cryptosporidium are three of the most important diarrhea-causing parasitic protozoa. For many years, microscopic examination of stool samples has been considered to be the "gold standard" for diagnosis of E. histolytica, G. lamblia, and C. parvum infections. Recently, more specific and sensitive alternative methods (PCR, enzyme-linked immunosorbent assay, and direct fluorescent-antibody assay) have been introduced for all three of these parasitic infections. However, the incorporation in a routine diagnostic laboratory of these parasite-specific methods for diagnosis of each of the respective infections is time-consuming and increases the costs of a stool examination. Therefore, a multiplex real-time PCR assay was developed for the simultaneous detection of E. histolytica, G. lamblia, and C. parvum in stool samples. The multiplex PCR also included an internal control to determine efficiency of the PCR and detect inhibition in the sample. The assay was performed on species-specific DNA controls and a range of well-defined stool samples, and it achieved 100 percent specificity and sensitivity. The use of this assay in a diagnostic laboratory would provide sensitive and specific diagnosis of the main parasitic diarrheal infections and could improve patient management and infection control.

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Parasitic infections of the intestine

Cited by 41 publications

References 39 publications

Prevalence of intestinal parasites in preschool children in the region of Uberlândia, State of Minas Gerais, Brazil

Prevalence of intestinal parasites in preschool children in the region of Uberlândia, State of Minas Gerais, Brazil

A Survey on Prevalence of Intestinal Parasites Infections in Patients Referred to the Public Hospital in Khoy, West Azarbaijan Province, Iran, 2014 - 2016

Simultaneous Detection of Entamoeba histolytica , Giardia lamblia , and Cryptosporidium parvum in Fecal Samples by Using Multiplex Real-Time PCR

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