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KMID : 0425120200580020129
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Parasites, Hosts and Diseases
2020 Volume.58 No. 2 p.129 ~ p.134
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Dientamoeba fragilis Infection in Patients with Digestive and Non-Digestive Symptoms: A Case-Control Study
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Hawash Yousry A.
Ismail Khadiga A.
Saber Taisir
Eed Emad M.
Khalifa Amany S.
Alsharif Khalaf F.
Alghamdi Saleh A.
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Abstract
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In most developing countries, Dientamoeba fragilis infection is an obscure protozoan infection. We aimed to determine a frequency and clinical importance of D. fragilis infection in Taif, Saudi Arabia. A 1-year case control study included patients with gastrointestinal (cases, n=114) or non-gastrointestinal symptoms (controls, n=90). The fecal samples were examined with the classical parasitological methods for intestinal protozoa, and by real time PCR for D. fragilis. The infection by D. fragilis was detected in 5.8% by PCR and in 4.4% patients by microscopy. The infection was identified more in control group (n=9) than in cases (n=3); a sole infection in 11 patients and mixed with Giardia in 1 patient. The other enteric parasites detected were Blastocystis sp. (8.3%), Giardia sp. (5.3%), Cryptosporidium sp. (2.9%), Entamoeba histolytica (1.4%), Entamoeba coli (0.9%) and Hymenolepis nana (0.4%). Our results tend to reinforce the need to increase awareness of D. fragilis infection in Saudi Arabia.
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KEYWORD
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Dientamoeba fragilis, diagnosis, microscopy, PCR, Saudi Arabia
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