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Clostridium difficile infection

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https://www.readbyqxmd.com/read/29150513/high-prevalence-and-genetic-diversity-of-large-phicd211-phicdif1296t-like-prophages-in-clostridioides-difficile
#1
Julian R Garneau, Ognjen Sekulovic, Bruno Dupuy, Olga Soutourina, Marc Monot, Louis-Charles Fortier
Clostridioides difficile (formerly Clostridium difficile) is a pathogenic bacterium displaying great genetic diversity. A significant proportion of this diversity is due to the presence of integrated prophages. Here, we provide an in-depth analysis of phiCD211, also known as phiCDIF1296T, the largest phage identified in C. difficile so far, with a genome of 131-kbp. It shares morphological and genomic similarity with other large siphophages like phage 949 infecting Lactococcus lactis and phage c-st infecting Clostridium botulinum...
November 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29149279/impact-of-isolating-clostridium-difficile-carriers-on-the-burden-of-isolation-precautions-a-time-series-analysis
#2
Yasi Xiao, Bianka Paquet-Bolduc, Christophe Garenc, Philippe Gervais, Sylvie Trottier, Jean-François Roussy, Jean Longtin, Vivian G Loo, Yves Longtin
Background: The isolation of asymptomatic Clostridium difficile (CD) carriers may decrease the incidence of hospital-associated C. difficile infections (CDI), but its impact on isolation precaution needs is unknown. Methods: Time series analysis to investigate the impact of isolating CD carriers on the burden of isolation precautions from 2008 to 2016 in a Canadian hospital. To account for the changes in C. difficile infection control policies, the series was divided into three intervention periods...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29149266/association-between-prior-antibiotic-therapy-and-subsequent-risk-of-community-acquired-infections-a-systematic-review
#3
Umer Malik, David Armstrong, Mark Ashworth, Alex Dregan, Veline L'Esperance, Lucy McDonnell, Mariam Molokhia, Patrick White
Background: Antibiotic use can have negative unintended consequences including disruption of the human microbiota, which is thought to protect against pathogen overgrowth. We conducted a systematic review to assess whether there is an association between exposure to antibiotics and subsequent risk of community-acquired infections. Methods: We searched MEDLINE, EMBASE and Web of Science for studies published before 30 June 2017, examining the association between antibiotic use and subsequent community-acquired infection...
November 14, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29144257/clostridium-difficile-infection-and-commonly-used-pediatric-medications
#4
Larry K Kociolek
No abstract text is available yet for this article.
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29144223/no-touch-disinfection-methods-to-decrease-multidrug-resistant-organism-infections-a-systematic-review-and-meta-analysis
#5
Alexandre R Marra, Marin L Schweizer, Michael B Edmond
BACKGROUND Recent studies have shown that using no-touch disinfection technologies (ie, ultraviolet light [UVL] or hydrogen peroxide vapor [HPV] systems) can limit the transmission of nosocomial pathogens and prevent healthcare-associated infections (HAIs). To investigate these findings further, we performed a systematic literature review and meta-analysis on the impact of no-touch disinfection methods to decrease HAIs. METHODS We searched PubMed, CINAHL, CDSR, DARE and EMBASE through April 2017 for studies evaluating no-touch disinfection technology and the nosocomial infection rates for Clostridium difficile, methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), and other multidrug-resistant organisms (MDROs)...
November 16, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29143704/identification-of-clostridium-difficile-reservoirs-in-the-patient-environment-and-efficacy-of-aerial-hydrogen-peroxide-decontamination
#6
Samuel Yui, Shanom Ali, Monika Muzslay, Annette Jeanes, A Peter R Wilson
OBJECTIVE To identify, using a novel enhanced method of recovery, environmental sites where spores of Clostridium difficile persist despite cleaning and hydrogen peroxide aerial decontamination. DESIGN Cohort study. SETTING Tertiary referral center teaching hospital. METHODS In total, 16 sites representing high-frequency contact or difficult-to-clean surfaces in a single-isolation room or bed area in patient bed bays were sampled before and after terminal or hydrogen peroxide disinfection using a sponge swab...
November 16, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29140433/il-27-il-27receptor-signaling-provides-protection-in-clostridium-difficile-induced-colitis
#7
Lifang Wang, Ju Cao, Congya Li, Zhang Liping
Background: Clostridium difficile is a leading cause of nosocomial infection. The role of cytokine IL-27 in the immunopathology of Clostridium difficile infection (CDI) remains unknown. Methods: The production of IL-27 was determined in human and murine CDI. Furthermore, wild-type (WT) and IL-27 receptor-deficient (WSX-1 -/-) mice were treated with an antibiotic mixture and infected with C.difficile to investigate the effects of IL-27 on host response to CDI. Results: IL-27 production was elevated during CDI in humans and mice...
November 11, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29139189/clostridium-difficile-infection-in-hospitalized-octogenarian-patients
#8
Anca Trifan, Irina Girleanu, Carol Stanciu, Egidia Miftode, Camelia Cojocariu, Ana-Maria Singeap, Catalin Sfarti, Stefan Chiriac, Tudor Cuciureanu, Oana Stoica
AIM: To evaluate the risk factors and outcome of Clostridium difficile infection in hospitalized octogenarian patients. METHODS: A retrospective analysis of risk factors and outcome of C. difficile infection in hospitalized octogenarians was carried out at two academic centers in Romania from January 2014 to September 2016. Demographic, clinical and laboratory characteristics; antibiotics and proton pump inhibitors use in-hospital and 2 months before admission; comorbidities; length of hospital stay; treatment; and outcome were carefully collected from the patients' medical charts and compared with those from octogenarians hospitalized during the same period...
November 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29134299/fecal-transplantation-for-treatment-of-clostridium-difficile-infection-in-elderly-and-debilitated-patients
#9
Tali Friedman-Korn, Dan Meir Livovsky, Nitsan Maharshak, Nathaniel Aviv Cohen, Kalman Paz, Ariella Bar-Gil Shitrit, Eran Goldin, Benjamin Koslowsky
BACKGROUND: Fecal microbiota transplantation (FMT) is a new technique recently introduced to treat recurrent Clostridium difficile infection (CDI). Little is known about the efficacy and risks of FMT in elderly and ill patients. AIM: To investigate FMT efficacy in ill and elderly patients compared to conventional treatment. METHODS: The study comprised two groups of patients between 2012 and 2016 with recurrent CDI at two medical centers in Israel...
November 13, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29132520/gastroesophageal-reflux-disease
#10
REVIEW
Rick Kellerman, Thomas Kintanar
Gastroesophageal reflux disease (GERD) is a gastrointestinal motility disorder that results from the reflux of stomach contents into the esophagus or oral cavity resulting in symptoms or complications. The typical symptoms of GERD are heartburn and regurgitation of gastric contents into the oropharynx. GERD affects quality of life and may cause erosive esophagitis, esophageal strictures, and Barrett esophagus, a precursor to esophageal adenocarcinoma. GERD is a clinical diagnosis and is most effectively treated with proton-pump inhibitors (PPIs)...
December 2017: Primary Care
https://www.readbyqxmd.com/read/29132405/identifying-predictive-features-of-clostridium-difficile-infection-recurrence-before-during-and-after-primary-antibiotic-treatment
#11
Sepideh Pakpour, Amit Bhanvadia, Roger Zhu, Abhimanyu Amarnani, Sean M Gibbons, Thomas Gurry, Eric J Alm, Laura A Martello
BACKGROUND: Colonization by the pathogen Clostridium difficile often occurs in the background of a disrupted microbial community. Identifying specific organisms conferring resistance to invasion by C. difficile is desirable because diagnostic and therapeutic strategies based on the human microbiota have the potential to provide more precision to the management and treatment of Clostridium difficile infection (CDI) and its recurrence. METHODS: We conducted a longitudinal study of adult patients diagnosed with their first CDI...
November 13, 2017: Microbiome
https://www.readbyqxmd.com/read/29130220/-current-research-progress-and-thinking-of-fecal-microbiota-transplantation-for-the-treatment-of-gastrointestinal-disorders
#12
Ning Li, Hongliang Tian
Fecal microbiota transplantation (FMT), also known as fecal bacteriotherapy or fecal infusion, consists of injection of a liquid filtrate of feces from a healthy donor into the gastrointestinal tract of a recipient individual. FMT has been proposed as a therapeutic approach for functional diseases of the gastrointestinal tract by reestablishment of a wide diversity of intestinal flora. Clostridium difficile infection (CDI) treatment guideline from American Gastroenterology Association (AGA) recommends that FMT can be used as the treatment protocols of relapse CDI...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29128476/increased-systemic-antibiotic-use-and-clostridium-difficile-infection-among-outpatients-with-irritable-bowel-syndrome
#13
George F Longstreth, Qiaoling Chen, Carrie Wong, Janis F Yao
No abstract text is available yet for this article.
November 8, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29126751/shift-to-community-onset-clostridium-difficile-infection-in-the-national-veterans-health-administration-2003-2014
#14
Kelly R Reveles, Mary Jo V Pugh, Kenneth A Lawson, Eric M Mortensen, Jim M Koeller, Jacqueline R Argamany, Christopher R Frei
BACKGROUND: Clostridium difficile infection (CDI) occurs frequently in inpatient settings; however, community-onset cases have been reported more frequently in recent years. This study evaluated hospital-onset and community-onset CDI in the national Veterans Health Administration (VHA) population over a 12-year period. METHODS: This was a retrospective cohort study of all adult VHA beneficiaries with CDI between October 1, 2002, and September 30, 2014. Data were obtained from the Veterans Affairs Informatics and Computing Infrastructure...
November 7, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29123385/clostridium-difficile-infection-in-the-elderly-an-update-on-management
#15
REVIEW
Tomefa E Asempa, David P Nicolau
The burden of Clostridium difficile infection (CDI) is profound and growing. CDI now represents a common cause of health care-associated diarrhea, and is associated with significant morbidity, mortality, and health care costs. CDI disproportionally affects the elderly, possibly explained by the following risk factors: age-related impairment of the immune system, increasing antibiotic utilization, and frequent health care exposure. In the USA, recent epidemiological studies estimate that two out of every three health care-associated CDIs occur in patients 65 years or older...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29122635/nosocomial-proton-pump-inhibitor-administration-and-the-impact-on-hospital-acquired-clostridium-difficile-infection-development-evidence-and-possible-mechanism
#16
REVIEW
Eric Wombwell, Megan E Chittum, Kayla R Leeser
The incidence of Clostridium difficile infection continues to rise globally. Particularly concerning are hospital-acquired cases which attribute significant morbidity, mortality, and expenditures to the healthcare system. Proton pump inhibitors which are widely prescribed and generally considered to have minimal adverse effects, have recently come under scrutiny for positive associations with C. difficile infection development. This article will specifically review the current state of evidence demonstrating a positive association between nosocomial proton pump inhibitor administration and the incidence of hospital-acquired C...
November 6, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29120481/medication-exposure-and-risk-of-recurrent-clostridium-difficile-infection-in-community-dwelling-older-people-and-nursing-home-residents
#17
John P Haran, Evan Bradley, Emily Howe, Xun Wu, Jennifer Tjia
BACKGROUND/OBJECTIVES: It is unclear how medication exposures differ in their association with recurrent Clostridium difficile infection (rCDI) in elderly nursing home (NH) residents and community-dwelling individuals. This study examined these exposures to determine whether the risk of rCDI differs according to living environment. DESIGN: Retrospective. SETTING: Academic and community healthcare settings. PARTICIPANTS: Individuals aged 65 and older with CDI (N = 616)...
November 9, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29118745/biofilm-structures-in-a-mono-associated-mouse-model-of-clostridium-difficile-infection
#18
Anna P Soavelomandroso, Françoise Gaudin, Sandra Hoys, Valérie Nicolas, Gayatri Vedantam, Claire Janoir, Sylvie Bouttier
Clostridium difficile infection (CDI) is a major healthcare-associated disease with high recurrence rates. Host colonization is critical for the infectious process, both in first episodes and in recurrent disease, with biofilm formation playing a key role. The ability of C. difficile to form a biofilm on abiotic surfaces is established, but has not yet been confirmed in the intestinal tract. Here, four different isolates of C. difficile, which are in vitro biofilm producers, were studied for their ability to colonize germ-free mice...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29117204/prevalence-of-binary-toxin-positive-clostridium-difficile-in-diarrhoeal-humans-in-the-absence-of-epidemic-ribotype-027
#19
Alan M McGovern, Grace O Androga, Daniel R Knight, Mark W Watson, Briony Elliott, Niki F Foster, Barbara J Chang, Thomas V Riley
Virulence of Clostridium difficile is primarily attributed to the large clostridial toxins A and B while the role of binary toxin (CDT) remains unclear. The prevalence of human strains of C. difficile possessing only CDT genes (A-B-CDT+) is generally low (< 5%), however, this genotype is commonly found in neonatal livestock both in Australia and elsewhere. Zoonotic transmission of C. difficile has been suggested previously. Most human diagnostic tests will not detect A-B-CDT+ strains of C. difficile because they focus on detection of toxin A and/or B...
2017: PloS One
https://www.readbyqxmd.com/read/29112710/interventions-to-reduce-the-incidence-of-hospital-onset-clostridium-difficile-infection-an-agent-based-modeling-approach-to-evaluate-clinical-effectiveness-in-adult-acute-care-hospitals
#20
Anna K Barker, Oguzhan Alagoz, Nasia Safdar
Background: Despite intensified efforts to reduce hospital-onset Clostridium difficile infection (C. difficile; HO-CDI), its clinical and economic impacts continue to worsen. Many institutions have adopted bundled interventions that vary considerably in composition, strength of evidence, and effectiveness. Considerable gaps remain in our knowledge of intervention effectiveness and disease transmission, which hinders HO-CDI prevention. Methods: We developed an agent-based model of C...
November 3, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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