ETIOLOGY OF ACUTE DIARRHEA IN TUNISIAN CHILDREN WITH EMPHASIS ON DIARRHEAGENIC ESCHERICHIA COLI: PREVALENCE AND IDENTIFICATION OF E. COLI VIRULENCE MARKERS

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BEN SALEM BEN NEJMA IMEN; HASSINE ZAAFRANE MOUNA; HASSINE FREDJ; SDIRI LOULIZI KHIRA; BEN SAID MONCEF; AOUNI MAHJOUB; RIDHA MZOUGHI

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Journal: Iranian Journal of Public Health Year:2014 | Volume:43 | Issue:7 Page(s): 947-960

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Title

ETIOLOGY OF ACUTE DIARRHEA IN TUNISIAN CHILDREN WITH EMPHASIS ON DIARRHEAGENIC ESCHERICHIA COLI: PREVALENCE AND IDENTIFICATION OF E. COLI VIRULENCE MARKERS

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Keywords

ENTERIC PATHOGENS

ESCHERICHIA COLI

DIARRHEA

CHILDREN

DIAGNOSIS

TUNISIA

Abstract

Background: DIARRHEAl diseases can be caused by viral, bacterial and parasitic infections. This paper provides a preliminary image of DIARRHEA with regards to etiology and epidemiologic factors in TUNISIAn CHILDREN less than five years of age.Methods: Overall, 124 diarrhoeal stools were collected from patients suffering from acute DIARRHEA and 54 stool samples from healthy CHILDREN. All stools were examined for the presence of ENTERIC PATHOGENS.Results: In DIARRHEAgenic CHILDREN, 107 pathogenic bacteria were isolated (12 Salmonella spp. (9.7%) and 95 DIARRHEAgenicEscherichia coli strains (76.6%): 29 enteroaggregative E.coli (EAEC) (23.4%), 15 enteroinvasive E.coli (EIEC) (12.1%), 17 enteropathogenicE.coli (EPEC) (13.7%), 26 enterotoxigenic E.coli (ETEC) (21%) and 2 enterohemoragicE.coli (EHEC) (1.6%). However, in the control group, 23 pathogenic E.coli strains were isolated (42.6%): 8 EAEC (14.8%), 12 EIEC (22.2%) and 3 EPEC (5.5%). Among DIARRHEAgenicE.coli (DEC), only ETEC strains were significantly recovered from DIARRHEAgenic CHILDREN than from healthy controls (P<0.0003). Group A rotavirus was identified in 33.9% (n=42) of DIARRHEAgenic CHILDREN and in 11.1% among the control group (n=6).Concerning norovirus, 8.9% (n=11) of the samples collected from DIARRHEAgenic CHILDREN and 9.2% (n=5) from the control group were positive. The prevalence of rotaviruses andSalmonella spp were also significantly higher in patients with DIARRHEA than in controls (P=0.002 and P<0.019, respectively). Finally, enteropathogenic parasites (Entamoeba coliand cryptosporidium Oocystes) were isolated from 4.8% and 9.2% of DIARRHEAgenic and control CHILDREN, respectively.Conclusion: These results provide baseline data about the relative importance of different enteropathogens in TUNISIAn CHILDREN.

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APA: Copy

BEN SALEM BEN NEJMA, IMEN, HASSINE ZAAFRANE, MOUNA, HASSINE, FREDJ, SDIRI LOULIZI, KHIRA, BEN SAID, MONCEF, AOUNI, MAHJOUB, & RIDHA, MZOUGHI. (2014). ETIOLOGY OF ACUTE DIARRHEA IN TUNISIAN CHILDREN WITH EMPHASIS ON DIARRHEAGENIC ESCHERICHIA COLI: PREVALENCE AND IDENTIFICATION OF E. COLI VIRULENCE MARKERS. IRANIAN JOURNAL OF PUBLIC HEALTH, 43(7), 947-960. SID. https://sid.ir/paper/273304/en

Vancouver: Copy

BEN SALEM BEN NEJMA IMEN, HASSINE ZAAFRANE MOUNA, HASSINE FREDJ, SDIRI LOULIZI KHIRA, BEN SAID MONCEF, AOUNI MAHJOUB, RIDHA MZOUGHI. ETIOLOGY OF ACUTE DIARRHEA IN TUNISIAN CHILDREN WITH EMPHASIS ON DIARRHEAGENIC ESCHERICHIA COLI: PREVALENCE AND IDENTIFICATION OF E. COLI VIRULENCE MARKERS. IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2014;43(7):947-960. Available from: https://sid.ir/paper/273304/en

IEEE: Copy

IMEN BEN SALEM BEN NEJMA, MOUNA HASSINE ZAAFRANE, FREDJ HASSINE, KHIRA SDIRI LOULIZI, MONCEF BEN SAID, MAHJOUB AOUNI, and MZOUGHI RIDHA, “ETIOLOGY OF ACUTE DIARRHEA IN TUNISIAN CHILDREN WITH EMPHASIS ON DIARRHEAGENIC ESCHERICHIA COLI: PREVALENCE AND IDENTIFICATION OF E. COLI VIRULENCE MARKERS,” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 43, no. 7, pp. 947–960, 2014, [Online]. Available: https://sid.ir/paper/273304/en

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