The Prevalence Study of Blastocystis hominis Isolated from Irritable Bowel Syndrome (IBS) in Diwanyiah City of Iraq

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Firas Hachim Naser, Ali Bustan Mohsen Al-Waaly

Abstract

Blastocystis hominis is the most common intestinal parasite association with Irritable bowel syndrome (IBS) in Humans. The aim of this study was to evaluate the epidemiology distribution of Blastocystis hominis in in Diwanyah city of Iraq during (March to December 2022), a total 380 stool samples which divided into 280 samples from patients who severe from digestive complaints, severe abdominal pain and diarrhea, and another 100 samples were collected from apparently healthy individuals (asymptomatic) from Diwanyah Teaching Hospital and private clinics in Diwanyah. The samples were investigated by microscopically by the direct method. The result show that 167 (59.6%) was positive microscopically to Blastocystis hominis in patients with irritable bowel syndrome while only 30 (30.0%) was positive microscopically to Blastocystis hominis in healthy carriers (asymptomatic).The association between light microscope finding and demographic characteristics is shown in table (1). The mean age of patients with positive light microscopic was 41.27 ± 11.48 and that of patients with negative light microscopic was 38.42 ±11.52 years and there was significant difference between patients with positive and negative light microscopic in mean age (P = 0.043). There was non-significant association between gender and light microscopic positivity for parasite. The study included 94 (56.3 %) male patients and 73 (43.7 %) female in patients with positive light microscopic. The present study showed that the male was higher prevalence of infection with Blastocystis hominis than female (there was statistically non-significant association between male and female P value = 0.246, this result cleared in table (1). According to residency, also the present study was showed significant difference between patients with positive and negative light microscopic in prevalence rate of Urban and rural region (P value = 0.521). In conclusion , the present study was showed there was association between light microscope finding and some demographic characteristics especially in median age group of study.

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