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C difficile infections

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https://www.readbyqxmd.com/read/28453386/collateral-damage-during-antibiotic-treatment-of-c-difficile-infection-in-the-aged-host-insights-into-why-recurrent-disease-happens
#1
Jae Hyun Shin, Cirle A Warren
Clostridium difficile infection (CDI) is one of the most common causes of healthcare-associated infections but an even bigger problem for the aging population. Advanced age leads to higher incidence, higher mortality, and higher recurrences. In our study, recently published in the Journal of Infectious Diseases, we investigated the effect of aging on CDI using a mouse model. We were able to demonstrate that aging leads to worse clinical outcomes, as well as lead to changes in microbiota composition and lower antibody production against C...
April 28, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28444166/the-effect-of-a-piperacillin-tazobactam-shortage-on-antimicrobial-prescribing-and-clostridium-difficile-risk-in-88-u-s-medical-centers
#2
Alan E Gross, Richard S Johannes, Vikas Gupta, Ying P Tabak, Arjun Srinivasan, Susan C Bleasdale
Background: Anti-infective shortages are a pervasive problem in the U.S. The objective of this study was to identify any associations between changes in antibiotic prescribing during a piperacillin/tazobactam (PIP/TAZO) shortage and hospital-onset Clostridium difficile infection (HO-CDI) risk in 88 U.S medical centers. Methods: We analyzed electronically captured microbiology and antibiotic use data from a network of U.S. hospitals from July 2014 through June 2015...
April 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28435086/toxigenic-clostridium-difficile-colonization-among-hospitalised-adults-risk-factors-and-impact-on-survival
#3
Laura Behar, David Chadwick, Angela Dunne, Christopher I Jones, Clare Procter, Chakravathi 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/28435010/ribotypes-associated-with-clostridium-difficile-outbreaks-in-brazil-display-distinct-surface-protein-profiles
#4
Thais Gonçalves Ferreira, Hercules Moura, John R Barr, Regina M C Pilotto Domingues, Eliane de Oliveira Ferreira
Clostridium difficile is a spore-forming anaerobic intestinal pathogen that causes Clostridium difficile infection (CDI). C. difficile is the leading cause of toxin-mediated nosocomial antibiotic-associated diarrhea. The pathogenesis of CDI is attributed to two major virulence factors, TcdA and TcdB toxins, that cause the symptomatic infection. C. difficile also expresses a number of key proteins, including cell wall proteins (CWPs). S-layer proteins (SLPs) are CWPs that form a paracrystalline surface array that coats the surface of the bacterium...
April 20, 2017: Anaerobe
https://www.readbyqxmd.com/read/28431238/reducing-recurrence-of-c-difficile-infection
#5
Michael G Dieterle, Vincent B Young
Clostridium difficile infection (CDI) is facilitated by alteration of the microbiome following antibiotic administration. Antimicrobial therapy directed against the pathogen can treat CDI. Unfortunately, ∼20% of successfully treated patients will suffer recurrence. Bezlotoxumab, a human monoclonal antibody, binds to C. difficile toxin B (TcdB), reducing recurrence presumably by limiting epithelial damage and facilitating microbiome recovery.
April 20, 2017: Cell
https://www.readbyqxmd.com/read/28426451/quality-of-care-and-outcomes-among-hospitalized-inflammatory-bowel-disease-patients-a-multicenter-retrospective-study
#6
Geoffrey C Nguyen, Sanjay K Murthy, Brian Bressler, Mindy C W Lam, Ali Alali, Asmae Toumi, Jason Reinglas, Adam Rampersad, Adam V Weizman, Waqqas Afif
BACKGROUND: Half of patients with inflammatory bowel disease (IBD) require hospitalization. We sought to characterize inpatient quality indicators of care and outcomes during IBD-related hospitalizations at 4 major IBD referral centers in Canada. METHODS: We conducted a multicenter retrospective cohort study of patients with IBD admitted from 2011 to 2013 to tertiary centers in Toronto, Montreal, Ottawa, and Vancouver. We assessed the following inpatient indicators of care: pharmacological venous thromboembolism (VTE) prophylaxis, Clostridium difficile testing, and medical rescue therapy for steroid-refractory ulcerative colitis (UC)...
May 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28421185/changes-in-composition-of-the-gut-bacterial-microbiome-after-fecal-microbiota-transplantation-for-recurrent-clostridium-difficile-infection-in-a-pediatric-heart-transplant-patient
#7
Kyle L Flannigan, Taylor Rajbar, Andrew Moffat, Leanna S McKenzie, Frank Dicke, Kevin Rioux, Matthew L Workentine, Thomas J Louie, Simon A Hirota, Steven C Greenway
The microbiome is increasingly recognized as an important influence on human health and many of the comorbidities that affect patients after solid organ transplantation (SOT) have been shown to involve changes in gut bacterial populations. Thus, microbiome changes in an individual patient may have important health implications after SOT but this area remains understudied. We describe changes in the composition of the fecal microbiome from a pediatric heart transplant recipient before and >2.5 years after he underwent repeated fecal microbiota transplantation (FMT) for recurrent Clostridium difficile infection (CDI)...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28417271/antimicrobial-effects-of-manuka-honey-on-in-vitro-biofilm-formation-by-clostridium-difficile
#8
M Piotrowski, P Karpiński, H Pituch, A van Belkum, P Obuch-Woszczatyński
Clostridium difficile is the cause of the nosocomial C. difficile infection (CDI). The conventional antibiotics used in CDI therapy are often unsuccessful, and recurrent infections may occur. Biofilm formation by C. difficile is associated with chronic or recurrent infections; biofilms may contribute to virulence and impaired antimicrobial efficacy. Manuka honey, derived from the Manuka tree (Leptospermum scoparium), is known to exhibit antimicrobial properties that are associated with its significant content of methylglyoxal, a natural antibiotic...
April 18, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28411069/clostridium-difficile-and-cystic-fibrosis-management-strategies-and-the-role-of-faecal-transplantation
#9
REVIEW
Roisin Dunwoody, Alan Steel, J Landy, Nicholas Simmonds
Clostridium difficile is a bacterial infection that colonises the gut in susceptible hosts. It is associated with exposure to healthcare settings and antibiotic use. It could be assumed that cystic fibrosis (CF) patients are a high-risk group for C.difficile. However, despite high carriage rates, CF patients have low rates of active disease. There are guidelines for the treatment of C.difficile, however little is published specific to treating C.difficile in CF. This article provides an overview of the current management strategies for C...
March 14, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28402634/synthesis-and-biological-evaluation-of-bile-acid-analogues-inhibitory-to-clostridium-difficile-spore-germination
#10
Kristen L Stoltz, Raymond Erickson, Christopher Staley, Alexa R Weingarden, Erin Romens, Clifford J Steer, Alexander Khoruts, Michael J Sadowsky, Peter I Dosa
Standard antibiotic-based strategies for the treatment of Clostridium difficile infections disrupt indigenous microbiota and commonly fail to eradicate bacterial spores, two key factors that allow recurrence of infection. As an alternative approach to controlling C. difficile infection, a series of bile acid derivatives have been prepared that inhibit taurocholate-induced spore germination. These analogues have been evaluated in a highly virulent NAP1 strain using optical density and phase-contrast microscopy assays...
April 12, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28401147/toxinotyping-and-sequencing-of-clostridium-difficile-isolates-from-patients-in-a-tertiary-care-hospital-of-northern-india
#11
Meenakshi Singh, Chetana Vaishnavi, Safrun Mahmood, Rakesh Kochhar
BACKGROUND: Clostridium difficile is an important cause of infectious colitis among hospitalized patients across the globe. The pathogenic potential of C. difficile in producing significant morbidity and mortality is mainly due to production of toxins A and B. The outbreaks of C. difficile infection (CDI) are due to changes in the genetic sequences of the organism. There is hardly any molecular study reported on the prevalent types of C. difficile strains in India. Toxinotyping and sequencing of locally circulating C...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28401056/effect-of-metronidazole-in-infants-with-bowel-habit-change-irrelative-to-the-clostridium-difficile-colonization
#12
Eun Jin Kim, Sung Hyun Lee, Hann Tchah, Eell Ryoo
PURPOSE: Clinical symptoms associated with Clostridium difficile infection (CDI) can vary widely. Carrier state without apparent symptoms is relatively common during infancy. The objective of this study was to determine the association of C. difficile colonization with bowel habit change and the effect of C. difficile colonization treatment on restoration of normal bowel habit. METHODS: Between 2006 and 2014, infants at 1 to 12 months of age with diarrhea for more than 2 weeks who did not improve with conservative care were recruited from Gachon University Gil Medical Center...
March 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28399946/impact-of-a-multifaceted-antimicrobial-stewardship-program-a-front-line-ownership-driven-quality-improvement-project-in-a-large-urban-emergency-department
#13
Adam Jonathan Kaufman, Janine McCready, Jeff Powis
BACKGROUND: Antibiotic overuse has promoted growing rates of antimicrobial resistance and secondary antibiotic-associated infections such as Clostridium difficile (C. difficile). Antimicrobial stewardship programs (ASPs) are effective in reducing antimicrobial use in the inpatient setting; however, the unique environment of the emergency department (ED) lends itself to challenges for successful implementation. Front-line ownership (FLO) methodology has been shown to be a potentially effective strategy for the implementation of inpatient ASPs through an iterative multi-pronged approach driven by front-line providers...
April 12, 2017: CJEM
https://www.readbyqxmd.com/read/28397624/risk-of-clostridium-difficile-infection-in-hematology-oncology-patients-colonized-with-toxigenic-c-difficile
#14
Cara M Cannon, Jackson S Musuuza, Anna K Barker, Megan Duster, Mark B Juckett, Aurora E Pop-Vicas, Nasia Safdar
The prevalence of colonization with toxigenic Clostridium difficile among patients with hematological malignancies and/or bone marrow transplant at admission to a 566-bed academic medical care center was 9.3%, and 13.3% of colonized patients developed symptomatic disease during hospitalization. This population may benefit from targeted C. difficile infection control interventions. Infect Control Hosp Epidemiol 2017;1-3.
April 11, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28396843/clostridioides-difficile-630%C3%AE-erm-in-silico-and-in-vivo-quantitative-growth-and-extensive-polysaccharide-secretion
#15
Henning Dannheim, Sabine E Will, Dietmar Schomburg, Meina Neumann-Schaal
Antibiotic-associated infections with Clostridioides difficile are a severe and often lethal risk for hospitalized patients, and can also affect populations without these classical risk factors. For a rational design of therapeutical concepts, a better knowledge of the metabolism of the pathogen is crucial. Metabolic modeling can provide a simulation of quantitative growth and usage of metabolic pathways, leading to a deeper understanding of the organism. Here, we present an elaborate genome-scale metabolic model of C...
April 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28385299/kick-the-bucket-one-hospital-system-s-journey-to-reduce-clostridium-difficile
#16
Molly Bridget Delaney
PROBLEM: Albert Einstein defines insanity as doing the same thing over again but expecting different results. Although the United States claims to reduce antibiotic abuse, practice strict isolation, and clean meticulously, the burden of Clostridium difficile outpaces goals. Unless innovative approaches are tried, we risk culling elderly, immunosuppressed, and otherwise debilitated populations. Emergency departments are a primary access point for patients who are unable to wait for primary care...
April 3, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28376944/use-of-a-perianal-swab-compared-with-a-stool-sample-to-detect-symptomatic-clostridium-difficile-infection
#17
Marisa A Montecalvo, Emnet Sisay, Donna McKenna, Guiqing Wang, Paul Visintainer, Gary P Wormser
OBJECTIVE To evaluate the use of a perianal swab to detect CDI. METHODS A perianal swab was collected from each inpatient with a positive stool sample for C. difficile (by polymerase chain reaction [PCR] test) and was tested for C. difficile by PCR and by culture. The variables evaluated included demographics, CDI severity, bathing before perianal swab collection, hours between stool sample and perianal swab, cycle threshold (Ct) to PCR positivity, and doses of CDI treatment before stool sample and before perianal swab...
April 5, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28365900/invasive-listeriosis-in-a-patient-with-several-episodes-of-antibiotic-associated-colitis-presumably-due-to-clostridium-difficile
#18
Novella Carannante, Pasquale Pagliano, Marco Rossi, Vittorio Attanasio, Carolina Rescigno, Laura Corte, Carlo Tascini, Gianluigi Cardinali
A 62-year-old man developed a blood stream infection and meningitis due to Listeria monocytogenes, 20 days after an episode of pseudo-membranous colitis. The patient, hospitalized for the first time for transurethral prostatectomy, was readmitted 20 days later with watery diarrhea. Pseudo-membranous colitis was diagnosed and treated successfully, without testing for Clostridium difficile infection (CDI). After 15 more days, the patient developed again diarrhea, fever and confusion. Hospitalized again, blood and cerebrospinal fluid cultures resulted positive for L...
April 1, 2017: Infection
https://www.readbyqxmd.com/read/28360030/old-and-new-models-for-studying-host-microbe-interactions-in-health-and-disease-c-difficile-as-an-example
#19
Vincent Bensan Young
There has been an explosion of interest in studying the indigenous microbiota, which plays an important role in human health and disease. Traditionally, the study of microbes in relationship to human health involved consideration of individual microbial species that caused classical infectious diseases. With the interest in the human microbiome, an appreciation of the influence that complex communities of microbes can have on their environment has developed. When considering either individual pathogenic microbes or a symbiotic microbial community, researchers have employed a variety of model systems with which they can study the host-microbe interaction...
March 30, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28356251/gastric-acid-suppressants-are-associated-with-risk-of-c-difficile-infection
#20
Jacqui Wise
No abstract text is available yet for this article.
March 28, 2017: BMJ: British Medical Journal
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