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Blastocystis hominis

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https://www.readbyqxmd.com/read/28877704/coproscopy-and-molecular-screening-for-detection-of-intestinal-protozoa
#1
Marawan Abu-Madi, Sonia Boughattas, Jerzy M Behnke, Aarti Sharma, Ahmed Ismail
BACKGROUND: Intestinal parasitosis is one of several health concerns about immigrants who travel from endemic to non-endemic regions. Reliable rapid sensitive diagnostic tools, for use in non-endemic regions, are urgently required to enable frequent assessment of immigrant workers in jobs where risk of local transmission is a particular concern (e.g. food-handlers). We assessed the burden of intestinal protozoa in newly arrived immigrants and those applying for renewal of work permits in Qatar (n = 735), by both microscopic examination of stool samples and by Real Time PCR methodology...
September 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28794984/seasonality-richness-and-prevalence-of-intestinal-parasites-of-three-neotropical-primates-alouatta-seniculus-ateles-hybridus-and-cebus-versicolor-in-a-fragmented-forest-in-colombia
#2
Silvia Rondón, Mario Ortiz, Cielo León, Nelson Galvis, Andrés Link, Camila González
Studies on parasites infecting non-human primates are essential to better understand the potential threat to humans of zoonoses transmission, particularly under the current processes of pervasive land use change and biodiversity loss. The natural ecosystems in the Middle Magdalena river basin in Colombia have suffered a dramatic reduction and transformation into pastures and agroindustrial monocultures, threatening their biodiversity, and probably affecting the dynamics between parasites and their hosts, as well as altering the disease transmission cycles between wild populations and humans...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28711437/intestinal-parasitic-infections-current-status-and-associated-risk-factors-among-school-aged-children-in-an-archetypal-african-urban-slum-in-nigeria
#3
Vincent P Gyang, Ting-Wu Chuang, Chien-Wei Liao, Yueh-Lun Lee, Olaoluwa P Akinwale, Akwaowo Orok, Olusola Ajibaye, Ajayi J Babasola, Po-Ching Cheng, Chia-Mei Chou, Ying-Chieh Huang, Pasaiko Sonko, Chia-Kwung Fan
BACKGROUND/PURPOSE: Intestinal parasitic infections (IPIs) among school aged children (SAC) in Nigeria remains endemic, hence the need for regular surveillance to attract the attention of policy makers. This cross-sectional study investigated the current prevalence and factors associated with intestinal parasitic infections among school aged children in an urban slum of Lagos City, Nigeria. METHODS: Single stool samples from 384 school aged children (188 boys and 196 girls) were examined by employing Merthiolate-iodine-formaldehyde concentration (MIFC) and Kato-Katz methods...
June 22, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28648295/detection-and-prevalence-of-protozoan-parasites-in-ready-to-eat-packaged-salads-on-sale-in-italy
#4
Tiziana Caradonna, Marianna Marangi, Federica Del Chierico, Nicola Ferrari, Sofia Reddel, Giorgia Bracaglia, Giovanni Normanno, Lorenza Putignani, Annunziata Giangaspero
To investigate the prevalence of protozoan contamination by Giardia duodenalis, Cryptosporidium spp., Toxoplasma gondii and Cyclospora cayetanensis, in 'ready to eat' (RTE) salads on sale in Italy, 648 packages were purchased from industrial and local brands. Nine individual packages from each brand were collected per month, pooled and subjected to microscopy and molecular analyses. Microscopic examination of 864 slides detected Cryptosporidium spp. but also Blastocystis hominis and Dientamoeba fragilis. Molecular tools identified G...
October 2017: Food Microbiology
https://www.readbyqxmd.com/read/28599633/prevalence-of-intestinal-parasitic-infection-and-associated-risk-factors-among-village-health-volunteers-in-rural-communities-of-southern-thailand
#5
Chuchard Punsawad, Nonthapan Phasuk, Suchirat Bunratsami, Kanjana Thongtup, Niramon Siripakonuaong, Somchok Nongnaul
BACKGROUND: Intestinal parasitic infections remain prevalent and constitute a public health problem in certain rural areas of Thailand. Village health volunteers (VHVs), who are members of a Thai healthcare alliance, function as key providers of health prevention measures, disease control, and health education and share national health promotion campaigns with community members. This study is aimed at evaluating the prevalence, intensity, and risk factors for intestinal parasitic infection in VHVs in order to design community awareness and health education campaigns for the target population...
June 9, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28413436/predominance-and-association-risk-of-blastocystis-hominis-subtype-i-in-colorectal-cancer-a-case-control-study
#6
Amr Mohamed Mohamed, Mona Abdelfattah Ahmed, Sabah Abdelghany Ahmed, Sherif Ahmed Al-Semany, Saad Saed Alghamdi, Dina Abdulla Zaglool
BACKGROUND: Blastocystis, a genetically diverse intestinal parasite with controversial pathogenic potential, has increasingly been incriminated for diarrheal illness in immunocompromised individuals including colorectal cancer (CRC) patients. The aim of the current study was to assess the possible association between Blastocystis infection and CRC condition in Makkah, Saudi Arabia (KSA). METHODS: Stool samples were collected from 80 non-cancer (NC) and 138 cancer subjects including 74 CRC patients and 64 patients with other cancers outside gastrointestinal tract (COGT)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28404232/pcr-based-molecular-characterization-of-blastocystis-hominis-subtypes-in-southwest-of-iran
#7
Shahram Khademvatan, Rahim Masjedizadeh, Ehsan Yousefi-Razin, Hamidreza Mahbodfar, Fakher Rahim, Elham Yousefi, Masoud Foroutan
Blastocystis hominis is the most common intestinal parasite found in humans and many other hosts. Pathogenicity of Blastocystis sp. remains controversial and it has been suggested that it may be associated with certain subtypes of organism. The aim of this study was to evaluate the molecular epidemiology of B. hominis and its subtype distribution in Ahvaz, southwest of Iran. During 2012-2014, a total of 481 samples were collected from patients referred to the medical laboratory centers in Ahvaz for stool examination...
April 9, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28362138/intestinal-parasitic-infections-in-different-groups-of-immunocompromised-patients-in-kashan-and-qom-cities-central-iran
#8
Sima Rasti, Malihe Hassanzadeh, Hossein Hooshyar, Mansooreh Momen-Heravi, Seyed Gholam Abbas Mousavi, Amir Abdoli
INTRODUCTION: Intestinal parasitic infections (IPIs) are important causes of morbidity and mortality in patients with immunocompromising conditions. OBJECTIVE: The aim of this study was to determine the prevalence of IPIs in different groups of immunocompromised patients, including hemodialysis patients (HD), renal transplant recipients (RTR), cancer and HIV/AIDS patients in comparison with healthy individuals in two central cities of Iran (Kashan and Qom). METHODS: In this case-control study, the stool samples of 135 HD, 50 RTR, 60 cancer patients, 20 HIV/AIDS patients and 120 healthy subjects were tested using direct-smear, formol-ether concentration, Ziehl-Neelsen staining and Agar plate method...
June 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28279442/low-efficacy-of-metronidazole-in-the-eradication-of-blastocystis-hominis-in-symptomatic-patients-case-series-and-systematic-literature-review
#9
Lissette Batista, Josefa Pérez Jove, Mercè Rosinach, Victoria Gonzalo, Empar Sainz, Carme Loras, Montserrat Forné, Maria Esteve, Fernando Fernández-Bañares
INTRODUCTION: Blastocystis hominis (B. hominis) is a protozoan commonly found in the gastrointestinal tract. There are doubts about its clinical significance. Metronidazole (MTZ) is the recommended first-line treatment. MATERIALS AND METHODS: A retrospective review was carried out between 2011 and 2012. A total of 151 samples were randomly selected from 383 samples positive for B. hominis. Inclusion criteria were: suggestive symptoms, treatment indication and microbiological follow-up...
June 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28273080/geospatial-distribution-of-intestinal-parasitic-infections-in-rio-de-janeiro-brazil-and-its-association-with-social-determinants
#10
Clarissa Perez Faria, Graziela Maria Zanini, Gisele Silva Dias, Sidnei da Silva, Marcelo Bessa de Freitas, Ricardo Almendra, Paula Santana, Maria do Céu Sousa
BACKGROUND: Intestinal parasitic infections remain among the most common infectious diseases worldwide. This study aimed to estimate their prevalence and provide a detailed analysis of geographical distribution of intestinal parasites in the metropolitan region of Rio de Janeiro, considering demographic, socio-economic, and epidemiological contextual factors. METHODS/PRINCIPAL FINDINGS: The cross-section survey was conducted among individuals attending the Evandro Chagas National Institute of Infectious Diseases (FIOCRUZ, RJ) during the period from April 2012 to February 2015...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28270802/molecular-epidemiology-of-giardia-blastocystis-and-cryptosporidium-among-indigenous-children-from-the-colombian-amazon-basin
#11
Angie Sánchez, Marina Munoz, Natalia Gómez, Juan Tabares, Laura Segura, Ángela Salazar, Cristian Restrepo, Miguel Ruíz, Patricia Reyes, Yuchen Qian, Lihua Xiao, Myriam C López, Juan D Ramírez
The incidence and prevalence of intestinal parasites in children is most likely due to lack of natural or acquired resistance and differences in behavior and habits closely related to environmental and socioeconomic determinants. The most important protozoa that parasitize humans are Giardia, Entamoeba, Blastocystis, and Cryptosporidium. These parasites present wide intraspecific genetic diversity and subsequently classified into assemblages and subtypes. The Amazon basin is the largest in the world and is the fifth freshwater reserve on the planet...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28127364/prevalence-of-strongyloides-stercoralis-and-other-intestinal-parasites-among-institutionalized-mentally-disabled-individuals-in-rasht-northern-iran
#12
Amin Saeidinia, Ilnaz Tavakoli, Mohammad Reza Naghipour, Behnaz Rahmati, Hossein Ghavami Lahiji, Omid Salkhori, Keyhan Ashrafi
BACKGROUND: We aimed to determine the status of strongyloidiasis in mentally disabled population in the institutional places in Rasht City, the capital of Guilan Province, northern Iran. METHODS: This cross-sectional study was conducted in 8 institutions for mentally retarded population in Rasht in 2013. Before collecting the samples, a questionnaire was filled out for each participant by an expert person. A single stool sample was obtained from each of the 173 subjects and examined using direct wet mount, formalin-ether concentration technique and agar plate culture method...
October 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28096858/prevalence-of-intestinal-parasitic-infections-in-jiroft-kerman-province-iran
#13
Maryam Barkhori Mahni, Mostafa Rezaeian, Eshrat Beigom Kia, Ahmad Raeisi, Khadijeh Khanaliha, Fatemeh Tarighi, Bahare Kamranrashani
BACKGROUND: Intestinal parasitic infections have a worldwide distribution. High prevalence of intestinal parasitic infections in individuals with low socioeconomic status and environmental conditions was found. No study has ever been conducted on the prevalence of these infections in Jiroft. Therefore, in this study prevalence of intestinal parasitic infections was evaluated in Jiroft, Kerman Province, Iran. METHODS: A total of 1060 individuals from rural and urban areas of Jiroft were sampled accidentally, during 2013-2014...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/27934806/molecular-appraisal-of-intestinal-parasitic-infection-in-transplant-recipients
#14
Pooja Yadav, Shehla Khalil, Bijay Ranjan Mirdha
BACKGROUND & OBJECTIVES: Diarrhoea is the main clinical manifestation caused by intestinal parasitic infections in patients, with special reference to transplant recipients who require careful consideration to reduce morbidity and mortality. Further, molecular characterization of some important parasites is necessary to delineate the different modes of transmission to consider appropriate management strategies. We undertook this study to investigate the intestinal parasitic infections in transplant recipients with or without diarrhoea, and the genotypes of the isolated parasites were also determined...
August 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27907915/parasitic-infections-in-children-with-chronic-spontaneous-urticaria
#15
Ebru Arik Yilmaz, Betul Karaatmaca, Cansin Sackesen, Umit Murat Sahiner, Ozlem Cavkaytar, Bulent E Sekerel, Ozge Soyer
BACKGROUND: Parasites have been proposed to be an underlying cause of chronic spontaneous urticaria (CSU) in childhood, but a clear causal relationship between them has not been established. This study aimed to investigate the prevalence of parasitic infection-related CSU (PIRCSU) in children and to determine the factors associated with PIRCSU. METHOD: Data from 211 children with CSU were analyzed. Information on stool examination, antiparasitic medications received, and response to treatment was recorded...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27905282/distribution-of-parasites-detected-in-stool-samples-of-patients-admitted-to-our-parasitology-laboratory-during-a-three-year-period-between-2012-and-2014
#16
Mehmet Burak Selek, Bayhan Bektöre, Ergenekon Karagöz, Orhan Baylan, Mustafa Özyurt
OBJECTIVE: Parasitic diseases are among the major public health issues worldwide. A number of tests are available for diagnosis, but the sentivity and specifity of these tests are assumed to be insufficient. Nevertheless, the most common diagnostic method is microscopic examination. In this study, we aimed to introduce the distribution of parasites detected in stool samples of patients admitted to our laboratory on the basis of parameters such as, age, and gender during a 3-year period between 2012 and 2014...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27903290/assessing-the-burden-of-intestinal-parasites-affecting-newly-arrived-immigrants-in-qatar
#17
Marawan A Abu-Madi, Jerzy M Behnke, Ahmed Ismail, Sonia Boughattas
BACKGROUND: In the last decades, the enormous influx of immigrants to industrialized countries has led to outbreaks of parasitic diseases, with enteric infections being amongst the most frequently encountered. In its strategy to control such infection, Qatar has established the Pre-Employment Certificate (PEC) program which requires medical inspection before arrival in Qatar and which is mandatory for immigrant workers travelling to the country. To assess the reliability of the PEC, we conducted a survey of intestinal parasites, based on examination of stool samples provided by immigrant workers (n = 2,486) recently arrived in Qatar...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27892847/international-adoption-from-ethiopia-an-overview-of-the-health-status-at-arrival-in-belgium
#18
Lydia Van Kesteren, Marek Wojciechowski
BACKGROUND: Ethiopia is a densely populated country with a fast growing economy. Still socioeconomic and health issues render many children parentless. One thousand and twenty eight Ethiopian children have been adopted in Belgium from September 2005 to September 2015. Little has been published about their health status at arrival. METHODS: Three hundred and fifteen children adopted from Ethiopia were clinically evaluated at the Institute of Tropical Medicine in Antwerp from 1 January 2008 until 31 December 2014...
October 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/27891182/case-control-study-of-diarrheal-disease-etiology-in-individuals-over-5%C3%A2-years-in-southwest-china
#19
Shun-Xian Zhang, Chun-Li Yang, Wen-Peng Gu, Lin Ai, Emmanuel Serrano, Pin Yang, Xia Zhou, Shi-Zhu Li, Shan Lv, Zhi-Sheng Dang, Jun-Hu Chen, Wei Hu, Li-Guang Tian, Jia-Xu Chen, Xiao-Nong Zhou
BACKGROUND: Acute diarrhea is one of the major public health problems worldwide. Most of studies on acute diarrhea have been made on infants aged below 5 years and few efforts have been made to identify the etiological agents of acute diarrhea in people over five, especially in China. METHODS: 271 diarrhea cases and 149 healthy controls over 5 years were recruited from four participating hospitals between June 2014 and July 2015. Each stool specimen was collected to detect a series of enteric pathogens, involving five viruses (Rotavirus group A, RVA; Norovirus, NoV; Sapovirus, SaV; Astrovirus, As; and Adenovirus, Ad), seven bacteria (diarrheagenic Escherichia coli, DEC; non-typhoidal Salmonella, NTS; Shigella spp...
2016: Gut Pathogens
https://www.readbyqxmd.com/read/27884121/prevalence-and-risk-factors-of-intestinal-protozoan-infections-a-population-based-study-in-rural-areas-of-boyer-ahmad-district-southwestern-iran
#20
Bahador Sarkari, Ghasem Hosseini, Mohammad Hossein Motazedian, Mohammad Fararouei, Abdolali Moshfe
BACKGROUND: Parasitic infections are still a significant health problem in rural areas in developing countries including Iran. There is no recent population-based data about the prevalence of human intestinal parasites in most rural areas of Iran. The current study aimed to determine the prevalence of intestinal protozoan infection in inhabitants of rural areas of Boyer-Ahmad district, Southwestern Iran. METHODS: A total of 1025 stool samples were collected from the inhabitant of 50 randomly selected villages in Boyer-Ahmad Township...
November 25, 2016: BMC Infectious Diseases
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