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clostridium difficile 027

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https://www.readbyqxmd.com/read/28511200/enteric-infection-in-relapse-of-inflammatory-bowel-disease-the-utility-of-stool-microbial-pcr-testing
#1
Jordan E Axelrad, Andrew Joelson, Yael R Nobel, Garrett Lawlor, Peter H R Green, Simon Lichtiger, Benjamin Lebwohl
BACKGROUND: The similar presentations in relapse of inflammatory bowel disease (IBD) and enteric infection pose substantial barriers to diagnosis and treatment. The objective of this study was to investigate the incidence, etiology, predictors, and treatment of enteric infection in patients with IBD. METHODS: We reviewed the records of 214 patients with IBD who underwent 295 gastrointestinal pathogen panel and Clostridium difficile infection (CDI) polymerase chain reaction (PCR) stool tests during an exacerbation of symptoms...
June 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28501926/an-outbreak-of-clostridium-difficile-pcr-ribotype-027-in-spain-risk-factors-for-recurrence-and-a-novel-treatment-strategy
#2
E Bouza, L Alcalá, M Marín, M Valerio, E Reigadas, P Muñoz, M González-Del Vecchio, V de Egea
An outbreak of Clostridium difficile infection (CDI) caused by ribotype 027 (B1/NAP1) began in our hospital in November 2014, and produced 141 episodes in the following months. The aim of this study is to describe this outbreak, assess risk factors for recurrence of CDI-027 and to analyze the implementation of a novel treatment strategy. This is a prospective study of all patients with CDI-027, from November 2014 to November 2015. The epidemiological data were collected daily for each patient. We compared clinical characteristics and treatment between patients with and without recurrence of CDI-027...
May 13, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28480289/community-environmental-contamination-of-toxigenic-clostridium-difficile
#3
M Jahangir Alam, Seth T Walk, Bradley T Endres, Eugenie Basseres, Mohammed Khaleduzzaman, Jonathan Amadio, William L Musick, Jennifer L Christensen, Julie Kuo, Robert L Atmar, Kevin W Garey
BACKGROUND: Clostridium difficile infection is often considered to result from recent acquisition of a C difficile isolate in a healthcare setting. However, C difficile spores can persist for long periods of time, suggesting a potentially large community environmental reservoir. The objectives of this study were to assess community environmental contamination of toxigenic C difficile and to assess strain distribution in environmental versus clinical isolates. METHODS: From 2013 to 2015, we collected community environmental swabs from homes and public areas in Houston, Texas to assess C difficile contamination...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28435086/toxigenic-clostridium-difficile-colonization-among-hospitalised-adults-risk-factors-and-impact-on-survival
#4
Laura Behar, David Chadwick, Angela Dunne, Christopher I Jones, Claire Proctor, Chakravarthi Rajkumar, Paula Sharratt, Philip Stanley, Angela Whiley, Mark Wilks, Martin J Llewelyn
OBJECTIVES: To establish risk factors for Clostridium difficile colonization among hospitalized patients in England. METHODS: Patients admitted to elderly medicine wards at three acute hospitals in England were recruited to a prospective observational study. Participants were asked to provide a stool sample as soon as possible after enrolment and then weekly during their hospital stay. Samples were cultured for C. difficile before ribotyping and toxin detection by PCR...
April 21, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28396132/clostridium-difficile-infection
#5
REVIEW
Luis Alcalá Hernández, Elena Reigadas Ramírez, Emilio Bouza Santiago
Clostridium difficile infection (CDI) is the main cause of nosocomial diarrhea in industrialized countries and the source of a growing number of cases of diarrhea in the community. The outbreak of the hypervirulent strain belonging to ribotype 027 has increased the incidence and severity of CDI in some countries. Although CDI usually courses as a mild diarrhea it can lead to severe forms such as toxic megacolon or septic shock. One of every 2 episodes of CDI is not diagnosed in Spanish hospitals due to a lack of clinical suspicion or the use of insensitive diagnostic methods...
April 8, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28353450/predominance-of-clostridium-difficile-027-during-a-five-year-period-in-bolzano-northern-italy
#6
Richard Aschbacher, Alexander Indra, Christian J Wiedermann, Albert March, Bruno Giacon, Peter Mian, Mirella Bombonato, Angelika Kaneppele, Stefano Sansone, Johanna Burth, Alessandro Felici, Franziska Ebner, Werner Passler, Renelda M Lerchner, Claudio Vedovelli, Greta Spoladore, Raffaella Binazzi, Leonardo Pagani, Ludwig Moroder, Clara Larcher, Elisabetta Pagani
Toxigenic Clostridium difficile is responsible for antibiotic-associated diarrhoea and other diseases. The increasing frequency and severity is attributed to highly-virulent ribotypes such as 027. The aim of the study was to collect epidemiological and molecular data for C. difficile isolates during 2009-2013 in the Central Hospital of Bolzano, Northern Italy. Stool samples from inpatients of the Bolzano Central Hospital were screened for toxins A and B, and C. difficile was cultured and tested for antibiotic susceptibility...
March 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/28335725/surface-layer-proteins-from-virulent-clostridium-difficile-ribotypes-exhibit-signatures-of-positive-selection-with-consequences-for-innate-immune-response
#7
Mark Lynch, Thomas A Walsh, Izabela Marszalowska, Andrew E Webb, Micheál MacAogain, Thomas R Rogers, Henry Windle, Dermot Kelleher, Mary J O'Connell, Christine E Loscher
BACKGROUND: Clostridium difficile is a nosocomial pathogen prevalent in hospitals worldwide and increasingly common in the community. Sequence differences have been shown to be present in the Surface Layer Proteins (SLPs) from different C. difficile ribotypes (RT) however whether these differences influence severity of infection is still not clear. RESULTS: We used a molecular evolutionary approach to analyse SLPs from twenty-six C. difficile RTs representing different slpA sequences...
March 23, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28279860/inhibition-of-spore-germination-growth-and-toxin-activity-of-clinically-relevant-c-%C3%A2-difficile-strains-by-gut-microbiota-derived-secondary-bile-acids
#8
Rajani Thanissery, Jenessa A Winston, Casey M Theriot
The changing epidemiology of Clostridium difficile infection over the past decades presents a significant challenge in the management of C. difficile associated diseases. The gastrointestinal tract microbiota provides colonization resistance against C. difficile, and growing evidence suggests that gut microbial derived secondary bile acids (SBAs) play a role. We hypothesized that the C. difficile life cycle; spore germination and outgrowth, growth, and toxin production, of strains that vary by age and ribotype will differ in their sensitivity to SBAs...
March 6, 2017: Anaerobe
https://www.readbyqxmd.com/read/28239451/management-of-a-cluster-of-clostridium-difficile-infections-among-patients-with-osteoarticular-infections
#9
Jacqueline Färber, Sebastian Illiger, Fabian Berger, Barbara Gärtner, Lutz von Müller, Christoph H Lohmann, Katja Bauer, Christina Grabau, Stefanie Zibolka, Dirk Schlüter, Gernot Geginat
BACKGROUND: Here we describe a cluster of hospital-acquired Clostridium difficile infections (CDI) among 26 patients with osteoarticular infections. The aim of the study was to define the source of C. difficile and to evaluate the impact of general infection control measures and antibiotic stewardship on the incidence of CDI. METHODS: Epidemiological analysis included typing of C. difficile strains and analysis of possible patient to patient transmission. Infection control measures comprised strict isolation of CDI patients, additional hand washings, and intensified environmental cleaning with sporicidal disinfection...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28216085/occurrence-of-clostridium-difficile-ribotype-027-in-hospitals-of-silesia-poland
#10
Małgorzata Aptekorz, Anna Szczegielniak, Barbara Wiechuła, Celine Harmanus, Ed Kuijper, Gayane Martirosian
Clostridium difficile is an important healthcare-associated pathogen, responsible for a broad spectrum of diarrheal diseases. The aim of this prospective study was to determine the occurrence of C. difficile infection (CDI), to characterize cultured C. difficile strains and to investigate the association of fecal lactoferrin with CDI. Between January 2013 and June 2014, 148 stool samples were obtained from adult diarrheal patients (C. difficile as a suspected pathogen) hospitalized in different healthcare facilities of 15 Silesian hospitals...
February 12, 2017: Anaerobe
https://www.readbyqxmd.com/read/28209199/making-life-difficult-for-clostridium-difficile-augmenting-the-pathogen-s-metabolic-model-with-transcriptomic-and-codon-usage-data-for-better-therapeutic-target-characterization
#11
Sara Saheb Kashaf, Claudio Angione, Pietro Lió
BACKGROUND: Clostridium difficile is a bacterium which can infect various animal species, including humans. Infection with this bacterium is a leading healthcare-associated illness. A better understanding of this organism and the relationship between its genotype and phenotype is essential to the search for an effective treatment. Genome-scale metabolic models contain all known biochemical reactions of a microorganism and can be used to investigate this relationship. RESULTS: We present icdf834, an updated metabolic network of C...
February 16, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28169013/cost-analysis-of-an-outbreak-of-clostridium-difficile-infection-ribotype-027-in-a-dutch-tertiary-care-centre
#12
Y H van Beurden, M K Bomers, S D van der Werff, E A P M Pompe, S Spiering, C M J E Vandenbroucke-Grauls, C J J Mulder
BACKGROUND: The economic impact of Clostridium difficile infection (CDI) on the healthcare system is significant. From May 2013 to May 2014, an outbreak of C. difficile ribotype 027 occurred in a Dutch tertiary care hospital, involving 72 patients. The primary aim of this study was to provide insight into the financial burden that this CDI outbreak brought upon this hospital. METHODS: A retrospective analysis was performed to estimate the costs of a one-year-long C...
April 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28155914/evolutionary-clade-affects-resistance-of-clostridium-difficile-spores-to-cold-atmospheric-plasma
#13
Mairéad Connor, Padrig B Flynn, Derek J Fairley, Nikki Marks, Panagiotis Manesiotis, William G Graham, Brendan F Gilmore, John W McGrath
Clostridium difficile is a spore forming bacterium and the leading cause of colitis and antibiotic associated diarrhoea in the developed world. Spores produced by C. difficile are robust and can remain viable for months, leading to prolonged healthcare-associated outbreaks with high mortality. Exposure of C. difficile spores to a novel, non-thermal atmospheric pressure gas plasma was assessed. Factors affecting sporicidal efficacy, including percentage of oxygen in the helium carrier gas admixture, and the effect on spores from different strains representing the five evolutionary C...
February 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28125650/development-of-a-novel-vaccine-containing-binary-toxin-for-the-prevention-of-clostridium-difficile-disease-with-enhanced-efficacy-against-nap1-strains
#14
Susan Secore, Su Wang, Julie Doughtry, Jinfu Xie, Matt Miezeiewski, Richard R Rustandi, Melanie Horton, Rachel Xoconostle, Bei Wang, Catherine Lancaster, Adam Kristopeit, Sheng-Ching Wang, Sianny Christanti, Salvatore Vitelli, Marie-Pierre Gentile, Aaron Goerke, Julie Skinner, Erica Strable, David S Thiriot, Jean-Luc Bodmer, Jon H Heinrichs
Clostridium difficile infections (CDI) are a leading cause of nosocomial diarrhea in the developed world. The main virulence factors of the bacterium are the large clostridial toxins (LCTs), TcdA and TcdB, which are largely responsible for the symptoms of the disease. Recent outbreaks of CDI have been associated with the emergence of hypervirulent strains, such as NAP1/BI/027, many strains of which also produce a third toxin, binary toxin (CDTa and CDTb). These hypervirulent strains have been associated with increased morbidity and higher mortality...
2017: PloS One
https://www.readbyqxmd.com/read/28008840/-fecal-microbiota-transplantation-indications-and-perspectives
#15
Jean-Christophe Lagier, Didier Raoult
Fecal transplantation demonstrated in a randomized trial its superiority compared to antibiotics in recurrent Clostridium difficile (CD) infections. Used in first-line treatment, it has reduced the mortality of patients suffering of CD infections caused by ribotype 027 and made it possible to cure patients with severe manifestations of CD infections caused by other ribotypes. The use of frozen microbiota, now validated, facilitates fecal microbiota transplantation. In addition, the frozen microbiota capsules have proven their efficiency...
November 2016: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/27977555/recurrent-clostridium-difficile-infection-in-children-patient-risk-factors-and-markers-of-intestinal-inflammation
#16
Maribeth R Nicholson, Jonathan D Crews, Jeffrey R Starke, Zhi-Dong Jiang, Herbert DuPont, Kathryn Edwards
BACKGROUND: The management of Clostridium difficile infection (CDI) in children is complicated by recurrence rates of 20%-30%. The identification of risk factors associated with recurrent disease might allow early recognition of those children at highest risk. METHODS: Pediatric patients with CDI were identified through clinical laboratory records at 2 tertiary-care children's hospitals from March 2013 through May 2014. Subjects were enrolled and followed for 60 days to assess for recurrent CDI (rCDI)...
April 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27897206/the-incidence-and-drug-resistance-of-clostridium-difficile-infection-in-mainland-china-a-systematic-review-and-meta-analysis
#17
Chenjie Tang, Lunbiao Cui, Yuqiao Xu, Le Xie, Pengfei Sun, Chengcheng Liu, Wenying Xia, Genyan Liu
It has been widely reported that the incidence and severity of Clostridium difficile infection (CDI) have increased dramatically in North America and Europe. However, little is known about CDI in Mainland China. In this study, we aimed to investigate the incidence of CDI and the main epidemic and drug-resistant strains of C. difficile in Mainland China through meta-analysis of related studies published after the year 2010. A total of 51 eligible studies were included. The pooled incidence of toxigenic C. difficile among patients with diarrhoea was 14% (95% CI = 12-16%)...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27833595/chemical-and-stress-resistances-of-clostridium-difficile-spores-and-vegetative-cells
#18
Adrianne N Edwards, Samiha T Karim, Ricardo A Pascual, Lina M Jowhar, Sarah E Anderson, Shonna M McBride
Clostridium difficile is a Gram-positive, sporogenic and anaerobic bacterium that causes a potentially fatal colitis. C. difficile enters the body as dormant spores that germinate in the colon to form vegetative cells that secrete toxins and cause the symptoms of infection. During transit through the intestine, some vegetative cells transform into spores, which are more resistant to killing by environmental insults than the vegetative cells. Understanding the inherent resistance properties of the vegetative and spore forms of C...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27793509/toxin-profiles-pcr-ribotypes-and-resistance-patterns-of-clostridium-difficile-a-multicentre-study-in-china-2012-2013
#19
MULTICENTER STUDY
Qiong Gao, Shi Wu, Haihui Huang, Yuxing Ni, Ye Chen, Yunjian Hu, Yunsong Yu
A total of 178 clinical isolates of Clostridium difficile were collected from five major teaching hospitals representing northern, eastern and southern China from August 2012 to July 2013. Among the 178 isolates, 162 (91.0%) were toxigenic, including 66 (40.7%) toxin A-negative, toxin B-positive, 95 (58.6%) toxin A-positive, toxin B-positive and only 1 (0.6%) toxin A-, toxin B- and binary toxin-positive. Twenty-nine different PCR ribotypes were identified, of which 017 (21.0%), 012 (17.3%) and novel type H (16...
December 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27790736/body-mass-index-greater-than-35-is-associated-with-severe-clostridium-difficile-infection
#20
R Mulki, A J Baumann, T Alnabelsi, N Sandhu, Y Alhamshari, D S Wheeler, S Perloff, P O Katz
BACKGROUND: Obesity has been implicated in the acquisition of Clostridium difficile infections (CDI), however, no study has investigated whether there is a correlation between body mass index (BMI) and CDI severity. AIM: To determine whether obesity, as measured by BMI correlates with severe hospital-onset or community-onset CDI. METHODS: Patients admitted with CDI at a tertiary-care center from January 2013 to June 2015 were identified. The cohort was stratified by onset of disease using the National Healthcare Safety Network criteria, and by severity using the 2013 American College of Gastroenterology guidelines...
January 2017: Alimentary Pharmacology & Therapeutics
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