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travelers' diarrhea

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https://www.readbyqxmd.com/read/28521004/guidelines-for-the-prevention-and-treatment-of-travelers-diarrhea-a-graded-expert-panel-report
#1
Mark S Riddle, Bradley A Connor, Nicholas J Beeching, Herbert L DuPont, Davidson H Hamer, Phyllis Kozarsky, Michael Libman, Robert Steffen, David Taylor, David R Tribble, Jordi Vila, Philipp Zanger, Charles D Ericsson
Background: : Travelers' diarrhea causes significant morbidity including some sequelae, lost travel time and opportunity cost to both travelers and countries receiving travelers. Effective prevention and treatment are needed to reduce these negative impacts. Methods: : This critical appraisal of the literature and expert consensus guideline development effort asked several key questions related to antibiotic and non-antibiotic prophylaxis and treatment, utility of available diagnostics, impact of multi-drug resistant (MDR) colonization associated with travel and travelers' diarrhea, and how our understanding of the gastrointestinal microbiome should influence current practice and future research...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28521003/prevention-and-treatment-of-travellers-diarrhea
#2
Charles D Ericsson
No abstract text is available yet for this article.
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28521002/changes-in-microbiome-during-and-after-travellers-diarrhea-what-we-know-and-what-we-do-not
#3
David A Rasko
The study of bacterial pathogens has advanced from culture on plates to basic biochemical studies; to sequencing reference genomes and attempting to ascribe those qualities to the whole species; to evaluating complete communities based on the universal marker of the 16S rRNA gene; to now sequencing all available nucleic acids in any sample to characterize the community as a whole. These types of scientific advances highlight that there are multiple layers of information within any sample, and to some extent we are only now beginning to be able to identify, categorize and understand the complex interactions of the host, pathogen and microbiome...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28521001/etiology-of-travellers-diarrhea
#4
Z D Jiang, H L DuPont
Eleven published studies of the etiology of travellers' diarrhea (TD) were reviewed define the etiology of TD and to exam newly developed technology such as Real-Time multiplex polymerase chain reaction (PCR) to identify multiple pathogens in one assay to define the cause of TD. Using PCR methods bacterial pathogens were found in 72% of patients acquiring diarrhea in Latin America and in 80% in travellers with illness acquired in Southeast Asia). In these studies, enterotoxigenic Escherichia coli as the predominant pathogen (42% in Latin America and 28% in Southeast Asia)...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520999/travel-acquired-esbl-producing-enterobacteriaceae-impact-of-colonization-at-individual-and-community-level
#5
Paul-Louis Woerther, Antoine Andremont, Anu Kantele
Background: Antibiotic resistance is a rapidly increasing global emergency that calls for action from all of society. Intestinal multidrugresistant (MDR) bacteria have spread worldwide with extended-spectrum beta-lactamase (ESBL) -producing Enterobacteriaceae (ESBL-PE) as the most prevalent type. The millions of travelers annually visiting regions with poor hygiene contribute substantially to this spread. Our review explores the underlying data and discusses the consequences of the colonization...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520998/medications-for-the-prevention-and-treatment-of-travellers-diarrhea
#6
David N Taylor, Davidson H Hamer, David R Shlim
Background: . Travellers' diarrhea (TD) remains one of the most common illnesses encountered by travellers to less developed areas of the world. Because bacterial pathogens such as enterotoxigenic Escherichia coli (ETEC), enteroaggregative E. coli , Campylobacter spp. and Shigella spp. are the most frequent causes, antibiotics have been useful in both prevention and treatment of TD. Methods.: Results of trials that assessed the use of medications for the prevention and treatment of TD were identified through PubMed and MEDLINE searches using search terms 'travellers' diarrhea', 'prevention' and 'treatment'...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520997/resistant-pathogens-as-causes-of-traveller-s-diarrhea-globally-and-impact-s-on-treatment-failure-and-recommendations
#7
David R Tribble
Background: : Diarrhea is a frequent clinical syndrome affecting international travellers. Bacterial etiologic agents have a long history of emergent antimicrobial resistance against commonly used antibiotics. Current approaches applying first-line antimicrobial therapy are being challenged by increasingly resistant organisms. This review summarizes recent epidemiological and clinical evidence of antibiotic resistance among enteropathogens causing traveller's diarrhea and the subsequent impact on current treatment recommendations...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520996/epidemiology-of-travellers-diarrhea
#8
Robert Steffen
Background: Travellers' diarrhea (TD) continues to be the most frequent health problem in travellers with destinations in lower income parts of the world as compared with where they reside, even if that risk has slightly decreased. Methods: A systematic review was published 18 months ago; now PubMed was searched for more recent publications relating to travel, diarrhea, epidemiology, incidence, risk. Results: A trend to decreasing incidence rates have been noted in this as compared with the last century, but TD remains frequent...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520995/new-molecular-diagnostic-tools-in-traveller-s-diarrhea
#9
Jordi Vila
Traveller's diarrhea can be caused by bacteria, protozoa, helminths and viruses. Globally, the most common causes of traveller's diarrhea are two pathotypes of Escherichia coli (enterotoxigenic and enteroaggregative) and Shigella, although there are significant variations according to the geographic area visited. While traveller's diarrhea is usually a mild, self-limiting disease, half of the travellers with traveller's diarrhea have some limitation in their activities during the journey and up to 10% present persistent diarrhea or other complications, making microbiological diagnosis necessary...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520993/effects-of-short-and-long-course-antibiotics-on-the-lower-intestinal-microbiome-as-they-relate-to-traveller-s-diarrhea
#10
Lawrence Clifford McDonald
BACKGROUND: Antibiotics have profound and lasting effects on the lower intestinal (gut) microbiome that can both promote resistance and increase susceptibility to colonization and infection; knowledge of these changes is important to the prevention and treatment of traveler's diarrhea. METHODS: Recent data from epidemiologic and modern metagenomics studies were reviewed in regard to how such findings could inform the prevention and treatment of traveler's diarrhea...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28493859/recommendations-of-the-advisory-committee-on-immunization-practices-for-use-of-cholera-vaccine
#11
Karen K Wong, Erin Burdette, Barbara E Mahon, Eric D Mintz, Edward T Ryan, Arthur L Reingold
Cholera, caused by infection with toxigenic Vibrio cholerae bacteria of serogroup O1 (>99% of global cases) or O139, is characterized by watery diarrhea that can be severe and rapidly fatal without prompt rehydration. Cholera is endemic in approximately 60 countries and causes epidemics as well. Globally, cholera results in an estimated 2.9 million cases of disease and 95,000 deaths annually (1). Cholera is rare in the United States, and most U.S. cases occur among travelers to countries where cholera is endemic or epidemic...
May 12, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28475640/multiplex-real-time-pcr-panels-to-identify-fourteen-colonization-factors-of-enterotoxigenic-escherichia-coli-etec
#12
Jie Liu, Sasikorn Silapong, Pimmada Jeanwattanalert, Paphavee Lertsehtakarn, Ladaporn Bodhidatta, Brett Swierczewski, Carl Mason, Annette L McVeigh, Stephen J Savarino, Rosemary Nshama, Esto Mduma, Athanasia Maro, Jixian Zhang, Jean Gratz, Eric R Houpt
Enterotoxigenic Escherichia coli (ETEC) is a leading cause of childhood diarrhea in low income countries and in travelers to those areas. Inactivated enterotoxins and colonization factors (CFs) are leading vaccine candidates, therefore it is important to determine the prevailing CF types in different geographic locations and populations. Here we developed real time PCR (qPCR) assays for 14 colonization factors, including the common vaccine targets. These assays, along with three enterotoxin targets (STh, STp, and LT) were formulated into three 5-plex qPCR panels, and validated on 120 ETEC isolates and 74 E...
2017: PloS One
https://www.readbyqxmd.com/read/28427109/traveler-s-diarrhea-vision-abnormalities-and-unsteady-gait-in-a-young-woman
#13
Tobias Mühling, Felix Gundling, Thomas Helmberger, Wolfgang Schepp
We report on the course of disease in a young woman, originally admitted with suspected refractory infectious tropical traveler's diarrhea. However, symptoms did not resolve upon either symptomatic or subsequent antibiotic therapy. When neurologic deterioration was observed, imaging studies revealed a dramatic series of thromboembolic events, including intracranial hemorrhage caused by extensive sinus vein thrombosis as well as thrombi of the right cardiac ventricle. Colonic mucosal biopsy samples finally led to the histologic diagnosis of ulcerative colitis...
April 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28426113/health-problems-among-thai-tourists-returning-from-india
#14
Jutarmas Olanwijitwong, Watcharapong Piyaphanee, Kittiyod Poovorawan, Saranath Lawpoolsri, Pornthep Chanthavanich, Pongdej Wichainprasast, Terapong Tantawichien
Background: The number of Thai tourists visiting India is increasing each year. Most studies investigating health problems among international travellers to India have focused on travellers from Europe or North America, and the applicability of these studies to Asian travellers is unknown. Methods: This cross-sectional study used data collected from Thai tourists who had recently completed a trip to India. A questionnaire on demographic data, travel characteristics, pre-travel health preparation, and health problems during the trip to India was administered...
July 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28411937/preparing-for-international-travel-and-global-medical-care
#15
REVIEW
Swaminatha V Mahadevan, Matthew C Strehlow
Thorough pretravel preparation and medical consultation can mitigate avoidable health and safety risks. A comprehensive pretravel medical consultation should include an individualized risk assessment, immunization review, and discussion of arthropod protective measures, malaria prophylaxis, traveler's diarrhea, and injury prevention. Travel with children and jet lag reduction require additional planning and prevention strategies; travel and evacuation insurance may prove essential when traveling to less resourced countries...
May 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28408937/detection-of-gastrointestinal-pathogens-from-stool-samples-on-hemoccult-cards-by-multiplex-pcr
#16
Martin Alberer, Nicklas Schlenker, Malkin Bauer, Kerstin Helfrich, Carolin Mengele, Thomas Löscher, Hans Dieter Nothdurft, Gisela Bretzel, Marcus Beissner
Purpose. Up to 30% of international travelers are affected by travelers' diarrhea (TD). Reliable data on the etiology of TD is lacking. Sufficient laboratory capacity at travel destinations is often unavailable and transporting conventional stool samples to the home country is inconvenient. We evaluated the use of Hemoccult cards for stool sampling combined with a multiplex PCR for the detection of model viral, bacterial, and protozoal TD pathogens. Methods. Following the creation of serial dilutions for each model pathogen, last positive dilution steps (LPDs) and thereof calculated last positive sample concentrations (LPCs) were compared between conventional stool samples and card samples...
2017: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/28408320/antibiotic-self-treatment-of-travelers-diarrhea-it-only-gets-worse
#17
EDITORIAL
Jay S Keystone, Bradley A Connor
No abstract text is available yet for this article.
April 10, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28396090/executive-summary-of-imported-infectious-diseases-after-returning-from-foreign-travel-consensus-document-of-the-spanish-society-for-infectious-diseases-and-clinical-microbiology-seimc
#18
José Luis Pérez-Arellano, Miguel Górgolas-Hernández-Mora, Fernando Salvador, Cristina Carranza-Rodríguez, Germán Ramírez-Olivencia, Esteban Martín-Echeverría, Azucena Rodríguez-Guardado, Francesca Norman, Virginia Velasco-Tirado, Zuriñe Zubero-Sulibarría, Gerardo Rojo-Marcos, José Muñoz-Gutierrez, José Manuel Ramos-Rincón, M Paz Sánchez-Seco-Fariñas, María Velasco-Arribas, Moncef Belhassen-García, Mar Lago-Nuñez, Elías Cañas García-Otero, Rogelio López-Vélez
In a global world, knowledge of imported infectious diseases is essential in daily practice, both for the microbiologist-parasitologist and the clinician who diagnoses and treats infectious diseases in returned travelers. Tropical and subtropical countries where there is a greater risk of contracting an infectious disease are among the most frequently visited tourist destinations. The SEIMC considers it appropriate to produce a consensus document that will be useful to primary care physicians as well as specialists in internal medicine, infectious diseases and tropical medicine who help treat travelers returning from tropical and sub-tropical areas with infections...
April 7, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28367879/phenotypic-and-molecular-characterization-of-enteroaggregative-escherichia-coli-isolated-in-kawasaki-japan
#19
Akiko Kubomura, Takako Misaki, Sachiko Homma, Chiaki Matsuo, Nobuhiko Okabe
Enteroaggregative Escherichia coli (EAEC), an enteric pathogen, causes persistent diarrhea in children, HIV-infected individuals, and travelers in economically developing countries. However, the pathogenesis of EAEC infection is not well understood. The aim of this study is to characterize EAEC in Japan. During 2012-2014, we identified 40 EAEC strains carrying the aggR gene at the Kawasaki City Institute for Public Health, Japan. We characterized these strains using O:H-antigen typing, polymerase chain reaction (for pCVD432, astA, extended-spectrum beta-lactamase, and four aggregative adherence fimbriae genes), HEp-2 cell adherence, clump formation, and antimicrobial susceptibility testing...
March 28, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28366929/strongyloides-stercoralis-infection-among-human-immunodeficiency-virus-hiv-infected-patients-in-the-united-states-of-america-a-case-report-and-review-of-literature
#20
Laia Jimena Vazquez Guillamet, Zane Saul, Goran Miljkovich, Gabriel Alejandro Vilchez, Nikolai Mendonca, Venkata Gourineni, Nicholas Lillo, Marguerite Pinto, Aurengzaib Baig, Louie Mar Gangcuangco
BACKGROUND Strongyloides stercoralis infection is endemic in subtropical and tropical regions but is reported rather sporadically in temperate countries. In the USA, the highest rates of infection are from the southeastern states, predominantly among immigrants. There is paucity of case reports on S. stercoralis infection among HIV-infected patients who were born and raised in the USA. CASE REPORT A 61-year-old male with known HIV infection (CD4 count: 235 cells/uL, undetectable HIV RNA, on antiretroviral therapy) presented with a 3-month history of diarrhea...
April 3, 2017: American Journal of Case Reports
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