GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT
EL-BADRY, A., GHIETH, M., AHMED, D., ISMAIL, M. (2017). GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT. EKB Journal Management System, 47(1), 19-24. doi: 10.21608/jesp.2017.77957
AYMAN A. EL-BADRY; MARWA A. GHIETH; DOAA A. AHMED; MOUSA A.M. ISMAIL. "GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT". EKB Journal Management System, 47, 1, 2017, 19-24. doi: 10.21608/jesp.2017.77957
EL-BADRY, A., GHIETH, M., AHMED, D., ISMAIL, M. (2017). 'GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT', EKB Journal Management System, 47(1), pp. 19-24. doi: 10.21608/jesp.2017.77957
EL-BADRY, A., GHIETH, M., AHMED, D., ISMAIL, M. GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT. EKB Journal Management System, 2017; 47(1): 19-24. doi: 10.21608/jesp.2017.77957

GIARDIA INTESTINALIS AND HELICOBACTER PYLORI CO-INFECTION: ESTIMATED RISKS AND PREDICTIVE FACTORS IN EGYPT

Journal of the Egyptian Society of Parasitology
Article 3, Volume 47, Issue 1, April 2017, Page 19-24  XML PDF (314.25 K)
Document Type: Original Article
DOI: 10.21608/jesp.2017.77957
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Authors
AYMAN A. EL-BADRY1; MARWA A. GHIETH2; DOAA A. AHMED3; MOUSA A.M. ISMAIL1
1Department of Medical Parasitology, Faculty of Medicine, Cairo University, Egypt.
2Department of Medical Parasitology, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt.
3Department of Medical Parasitology, Faculty of Medicine for Girls, Al-Azhar University, Nasr City, Egypt.
Abstract
Giardia intestinalis (G. intestinalis) and Helicobacter pylori (H.pylori) are two intestinal pathogens sharing the same mode of infection. This study determines the prevalence of G. intestinalis and H. pylori co-infection estimated risks and predictive factors for susceptibility to co-infection. Stool samples were collected from 801 patients suffering gastrointestinal symptoms and living in Greater Cairo. They were subjected to coproscopic examination for detection of intestinal parasites and copro PCRrestriction fragment length polymorphism (PCR-RFLP) and sequencing targeting the glutamate dehydrogenase (gdh) gene for Giardia. Positive samples for giardiasis were further subjected to coproimmunoassay to detect H. pylori coprontigen. Among 63 cases of giardiasis by both microscopy and PCR (84.1 % as-semblage B and 15.9% AII), 52.5% were co-infected with H. pylori. Co-infection was more frequent with assemblage B (50.9%) than assemblage A (40%). Among studied variables of assemblage type, gender, or harboring more than one parasite (polyparasitism), only school age children, was signifi-cantly associated (P value: 0.02) with Giardia and H. pylori co-infection. Physicians in Egypt must consider G. intestinalis and H. pylori as prevailing intestinal pathogens with predominance of Giardia assemblage B. Giardia and H. pylori co-infection is common in school aged children and modulates gastrointestinal manifestations. Intestinal parasitism and H. pylori association is complex and necessitates further genomic studies for a better understanding of the epidemiological and clinical impact of co-infection, as well as possible strategies for their treatment and control.
Keywords
Giardiasis; Helicobacter; co-infection; PCR-RFLP; gdh; immunochromatograpghy
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