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Objective: The purpose of this study was to investigate the prevalence of intestinal parasites and head lice in primary school-aged children and to determine a possible relationship between the co-occurrence of ecto-endoparasites., Methods: The study were conducted in three schools in the center of Sivas: Sivas Karşıyaka Primary School, Kılavuz İMKB Primary School, and Karşıyaka 27 June Middle School. The presence of head lice and intestinal parasites was investigated in a total of 563 children aged 6 to 17, with 294 girls and 269 boys. Classroom teachers and students were provided with information about intestinal parasites, head lice, and methods of transmission and prevention, and a questionnaire was administered. During the head lice examination, students were inspected with a comb, and samples with nits were examined under a microscope in the laboratory. Cellophane tape and stool samples obtained from the participants were examined on the same day using the native-lugol, flotation, and trichrome staining methods under a light microscope (x10, x40, x100)., Results: Five hundred sixty-three children were evaluated for head lice and 15 (2.6%) were found to be positive. During the examination, only nits were found in 11 students (1.9%), and both adult lice and nymphs were seen in 4 students (0.7%). Head lice were found positive in 2 out of 269 boys (0.7%), while 13 out of 294 girls (4.2%) positive (p<0.05). As a result of stool examination in children, Entamoeba coli was found in 11 (1.95%), Giardia intestinalis in 4 (0.71%), Blastocystis sp. in 14 (2.48%), Enterobius vermicularis in 8 (1.42%) and Taenia spp. in 2 (0.35%). Head lice infestation and Taenia spp. were found to coexist in 2 (0.35%) children., Conclusion: In conclusion, although there has been a noticeable decrease in head lice and intestinal parasites among primary school-aged children in Sivas province, these conditions are still present, as evidenced by previous studies conducted in our region.

Objective: Toxoplasma gondii is the causative agent of toxoplasmosis and is a parasite of high medical importance with a wide host variety. Bacterial, viral, and parasitic infections during pregnancy may predispose women to pregnancy complications. Preeclampsia of unknown etiology causes special conditions such as systemic vascular endothelial damage due to insufficient trophoblastic invasion and abnormal placentation. There are data of an association between various maternal infections and preeclampsia/eclampsias. The aim of the study was to compare and analyze the relationship between the presence of anti-Toxoplasma IgM and anti-Toxoplasma IgG antibodies in pregnant women with pre-eclampsia and in normotensive healthy pregnant women who were in the control group., Methods: In this study, 176 pregnant women who applied to our hospital between January 2019 and December 2020 were included. 88 (50%) of the pregnant women had pre-eclampsia and 88 (50%) were normotensive. The presence of anti-Toxoplasma IgM and IgG antibodies in blood taken from pregnant women with pre-eclampsia and control group was investigated using ELISA., Results: Because of the study, both groups were found to be seronegative in terms of anti-Toxoplasma IgM by ELISA. Anti-Toxoplasma IgG was found to be seropositive in 24 (27.3%) pregnant women with pre-eclampsia and 18 (20.5%) normotensive pregnant women. There was no statistically significant difference between the two groups in terms of anti-Toxoplasma IgM and anti-Toxoplasma IgG seropositivity (X 2 =0.289, p>0.05) (p<0.05)., Conclusion: Because of the study, no statistically significant difference was found between pregnant women with pre-eclampsia and those with toxoplasmosis. It was thought that further studies should be conducted to discuss the hormonal, vascular, etc. factors occurring in the pathogenesis of preeclampsia of T. gondii effect of preparing the ground for the changes and to reveal the existence of a possible relationship between pre-eclampsia and T. gondii seropositivity.

Objective: Toxoplasma gondii ( T. gondii ) is an obligate intracellular protozoan and its definitive host is the Felidae family. Toxoplasmosis can be transmitted to humans in many ways. The purpose of the study was to investigate the anti- Toxoplasma IgM and anti- Toxoplasma IgG seropositivity with the ELISA method in people who have cats at home and do not have cats at home, and to reveal the possible relationship between toxoplasmosis and people who keep/contact cats for a long time for any reason at home., Methods: Between March 2021 and June 2021, blood samples were taken from 91 people who had a cat in their home for at least a year and 91 people who had never had a cat or had no contact with a cat, in Sivas province. Anti- Toxoplasma IgM and anti- Toxoplasma IgG antibodies were investigated in serum samples by the ELISA method. Age, gender, and other socio-demographic criteria were not considered., Resultsresults: Because of the study, all samples were found to be negative for anti- Toxoplasma IgM. Anti- Toxoplasma IgG seropositivity was detected in 20 (22.0%) of those who had cats at home and 40 (44.0%) of those without cats at home. There was no statistically significant difference between the two groups in terms of anti- Toxoplasma IgM seropositivity. However, anti- Toxoplasma IgG seropositivity was found to be statistically significant (p=0.002) (p<0.01)., Conclusion: Because of the study, anti- Toxoplasma IgG positivity was found to be higher in those who did not feed/contact cats at home and it was statistically significant. It brings to mind that the reason for the high rate of seropositivity in those without cats at home, may not be only the oocysts excreted from cats, but also the transmission by other non-cat transmission routes may still be important.

Objective: In this study, it was aimed to investigate the presence of Entamoeba histolytica, Giardia intestinalis and Cryptosporidium spp. in the samples taken during the procedure from patients who underwent endoscopy and/or colonoscopy with different prediagnoses, and in the stools of the same patients, by ELISA and direct microscopy methods., Methods: A total of 88 patients' endoscopic and colonoscopic pre-washed materials, which consisted of 49 individuals who belong former group and 39 individuals to the next group, were, respectively, obtained, and the stool samples were also included to study from the same group. All the specimens were immediately transferred to the parasitology research laboratory within the same day and stored C until for the next step of ELISA applications., Results: All the samples were examined by direct microscopy and ELISA method. In the examinations performed using the ELISA method; E. histolytica was detected in 2 (2.3%) stool samples, and G. intestinalis was found in 4 (4.5%) stool samples. In the colonoscopic wash/swab samples of the patients who underwent colonoscopy, 6 (6.8%) G. intestinalis , 1 (1.1%) Cryptosporidium spp. detected. No parasites were detected by ELISA in any of the stool samples or endoscopic washing/swab samples of the patients who underwent colonoscopy. No parasites were detected in stool and wash/swab samples by the direct examination method. When the incidence of G. intestinalis in washing/swab samples taken from patients who underwent endoscopy and colonoscopy was statistically compared, the difference was found to be significant (p<0.05). When the incidence of G. intestinalis in the stools of patients who underwent endoscopy was compared, the difference between genders was found to be significant (p<0.05)., Conclusion: In patients with gastrointestinal complaints and undergoing endoscopy and colonoscopy, investigation of the presence of parasites by stool examination with direct microscopy may be insufficient. In addition to the direct examination of the stool sample, it is thought that the investigation of parasite antigens in the wash/swab materials that can be easily taken during the endoscopy and colonoscopy procedure is necessary and critical in the diagnosis.

Objective: This study aimed to examine the frequency of house dust mite according to various variables and determine the house dust mite population in these provinces in house dust samples collected in the same period from İstanbul and Tekirdağ provinces, which is located on the coastal part of the Marmara Region, and Sivas province, which has different climatic and geographic characteristics from these provinces. A comparison was done from each province., Methods: Between May and August 2018, a total of 100 powder samples were prepared by a lactic acid precipitation method that was examined microscopically. Besides, some variables in Tekirdağ and İstanbul provinces were applied to participants by face-to-face interview method from a questionnaire., Results: House dust mite was found with a rate of 66.7% in İstanbul and 61.5% in Tekirdağ; however, house dust mite was not found in Sivas province. According to survey results, the frequency of house dust mite detection is 1-4. It increased according to the fact that it is located between floors, cleaning was every 15 days, no smoking at home and insufficient sun exposure. No statistically significant difference was found according to the presence of plants and/or animals in the house and way of heating., Conclusion: Measures to be taken against house a dust mite, which is the most essential component of house dust with allergic content, are observed to be important in reducing complaints of sensitive people by especially considering the climate, geographic characteristics and general hygienic conditions. According to investigations, Baloghella melis , one of the mites detected in dust samples taken from İstanbul, has been determined to be a new record in Turkey. This study will contribute to Turkey with this aspect fauna of house dust mites.

Objective: The aim of this study was to determine the distribution of intestinal parasites in patients admitted to our hospital with gastrointestinal complaints in our city harboring sociocultural and economic changes, and to show the relationship between these parasites and variables such as age, sex and year., Methods: The distribution of intestinal parasites in patients who suffered from gastrointestinal symptoms and were referred to our microbiology/parasitology laboratory from various clinics of the Sivas Cumhuriyet University Training and Research Hospital between January 2006 and December 2018 was determined. After macroscopic examination, 19,760 stool specimens were examined with Nativ-lugol, if necessary, flotation, sedimentation, trichrome and modified acid-fast, Certest Combo Card test Crypto + Giardia + Entamoeba (CerTest Biotec S.L., SPAIN) methods and 5,814 cellophane tape samples were examined with direct microscopy and the results were evaluated retrospectively., Results: Three protozoa and six helminth species were identified in the samples studied. The most frequent parasite was found to be Giardia intestinalis (6.9% n=1.363) from protozoa and Enterobius vermicularis (10.8% n=627) from helminths. Entamoeba histolytica/dispar (1.5% n=289), Cryptosporidium parvum (0.3% n=53), Ascaris lumbricoides (0.2% n=41), Trichuris trichiura (0.1% n=23), Hymenolepis nana (0.1% n=21), Taenia saginata (2.1% n=299) and Dicrocoelium dendriticum (0.01% n=1) were among other intestinal parasites., Conclusion: Between 2006-2018, while decreases in soil-borne parasitoses were observed, there was no statistically significant decrease in annual positive case rates. Despite the development of the infrastructure, parasitoses transmitted by lack of sanitation/cleaning, are still important in our province.

Hydatic cyst is a crucial and prevalent parasitic disease in the developing countries in the Mediterranean region. Its diagnosis is sometimes problematic because of non-specific complaints and unavailability of any positive results in a routine laboratory analysis. Isolated renal hydatid cysts are very rare. In this study, a primary left renal hydatid cyst which was found in a 12-year-old boy was presented. He was referred by another hospital to our department with a flank pain and cystic mass in left kidney. Indirect haemagglutination test (IHA) for Echinococcus was negative. Nephrectomy was performed with the diagnosis of renal cyst hydatic. Renal cyst hydatid may present with various clinical findings ranging from asymptomatic clinical course to total loss in renal function. It will be beneficial to consider a renal hydatid cyst in patients with blurred flank pain, even if IHA is negative.