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C. Difficile

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https://www.readbyqxmd.com/read/29227201/early-rescue-from-acute-severe-clostridium-difficile-a-novel-treatment-strategy
#1
Biniam Kidane, Kalvin Lung, Greig McCreery, Chadia El-Khatib, Michael C Ott, Roberto Hernandez-Alejandro, Chris Vinden, Daryl Gray, Neil G Parry, Kenneth A Leslie, Tina S Mele
BACKGROUND: Severe Clostridium difficile infections (CDI) can lead to significant impediments to effective treatment. We developed a novel treatment protocol utilizing bedside gastrointestinal lavage (GIL) for the management of patients with severe, complicated CDI. We describe the development and early outcomes of non-operative bedside GIL in hospitalized patients with severe, complicated CDI following the Idea, Development, Exploration, Assessment, Long Term Study (IDEAL) framework at the Idea stage...
December 11, 2017: Surgical Infections
https://www.readbyqxmd.com/read/29226561/the-long-term-effects-of-faecal-microbiota-transplantation-for-gastrointestinal-symptoms-and-general-health-in-patients-with-recurrent-clostridium-difficile-infection
#2
J Jalanka, A Hillamaa, R Satokari, E Mattila, V-J Anttila, P Arkkila
BACKGROUND: Faecal microbiota transplantation (FMT) is an effective treatment for recurrent Clostridium difficile infection. In short-term the treatment has been shown to be safe, however, there are no large, long-term follow-up studies looking into the potential adverse effects. AIM: To analyse the long-term effect of FMT treatment in patients with recurrent C. difficile infection and to compare the outcome to antibiotic treated patients. METHODS: Altogether 84 patients of which 45 received a FMT treatment and 39 served as controls receiving antibiotics for the infection were followed on average for 3...
December 11, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29225756/prevalence-of-clostridium-difficile-and-its-toxigenic-genotype-in-beef-samples-in-west-of-iran
#3
Malihe Kheradmand, Somayeh Jalilian, Amirhooshang Alvandi, Ramin Abiri
Background and Objectives: Clostridium difficile is the leading cause of nosocomial diarrhea and pseudomembranous colitis. The prevalence of C. difficile infection differs in various geographical areas. The aim of this study was to determine the prevalence of C. difficile isolates and the prevalence of cdd3, tcdA and tcdB genes in beef samples in Kermanshah Province. Materials and Methods: One hundred ground beef samples were randomly collected from the butchers of Kermanshah province during March 2014 to March 2015...
June 2017: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/29222426/surveillance-of-antibiotic-resistance-among-common-clostridium-difficile-ribotypes-in-hong-kong
#4
Viola C Y Chow, Thomas N Y Kwong, Erica W M So, Yolanda I I Ho, Sunny H Wong, Raymond W M Lai, Raphael C Y Chan
Incidence of Clostridium difficile infection (CDI) is rapidly increasing and it poses a major health burden globally. However, data regarding the epidemiology of CDI in Asia are limited. We aimed to characterize the antimicrobial susceptibility patterns of common ribotypes of toxigenic C. difficile in Hong Kong. Fifty-three PCR ribotypes were identified among 284 toxigenic C. difficile clinical isolates. The five most prevalent ribotypes were 002 (13%), 017 (12%), 014 (10%), 012 (9.2%), and 020 (9.5%). All tested C...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29221987/hierarchical-recognition-of-amino-acid-co-germinants-during-clostridioides-difficile-spore-germination
#5
Ritu Shrestha, Joseph A Sorg
Bile acids are an important signal for germination of Clostridioides difficile spores; however, the bile acid signal alone is not sufficient. Amino acids, such as glycine, are another signal necessary for germination by C. difficile spores. Prior studies on the amino acid signal required for germination have shown that there is a preference for the amino acid used as a signal for germination. Previously we found that d-alanine can function as a co-germinant for C. difficile spores at 37 °C but not at 25 °C...
December 5, 2017: Anaerobe
https://www.readbyqxmd.com/read/29220796/purine-analogs-targeting-the-guanine-riboswitch-as-potential-antibiotics-against-clostridioides-difficile
#6
Lok-Hang Yan, Antoine Le Roux, Kumaraswamy Boyapelly, Anne-Marie Lamontagne, Marie-Ann Archambault, Frédéric Picard-Jean, David Lalonde-Seguin, Emilie St-Pierre, Rafael J Najmanovich, Louis-Charles Fortier, Daniel Lafontaine, Éric Marsault
Riboswitches recently emerged as possible targets for the development of alternative antimicrobial approaches. Guanine-sensing riboswitches in the bacterial pathogen Clostridioides difficile (formerly known as Clostridium difficile) constitute potential targets based on their involvement in the regulation of basal metabolic control of purine compounds. In this study, we deciphered the structure-activity relationship of several guanine derivatives on the guanine riboswitch and determined their antimicrobial activity...
December 2, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29218569/toxin-positivity-and-tcdb-gene-load-in-broad-spectrum-clostridium-difficile-infection
#7
Hyeong Nyeon Kim, Hanah Kim, Hee-Won Moon, Mina Hur, Yeo-Min Yun
PURPOSE: This study aimed to evaluate the clinical significance of toxin positivity and toxin gene load, and the relation between them in the broad spectrum of Clostridium difficile infection (CDI) including colonization, significant diarrhea, and severe disease. METHODS: We included 2671 fecal samples submitted for CDI diagnosis and 180 samples from healthy individuals. The clinical spectrum was categorized as category I (toxigenic C. difficile positive without clinical CDI criteria), category II (mild CDI), and category III (severe CDI)...
December 7, 2017: Infection
https://www.readbyqxmd.com/read/29214047/high-resolution-profiling-of-the-gut-microbiome-reveals-the-extent-of-clostridium-difficile-burden
#8
Ninalynn Daquigan, Anna Maria Seekatz, K Leigh Greathouse, Vincent B Young, James Robert White
Microbiome profiling through 16S rRNA gene sequence analysis has proven to be a useful research tool in the study of C. difficile infection (CDI); however, CDI microbiome studies typically report results at the genus level or higher, thus precluding identification of this pathogen relative to other members of the gut microbiota. Accurate identification of C. difficile relative to the overall gut microbiome may be useful in assessments of colonization in research studies or as a prognostic indicator for patients with CDI...
2017: NPJ Biofilms and Microbiomes
https://www.readbyqxmd.com/read/29213333/comparative-genomic-analysis-of-clostridium-difficile-ribotype-027-strains-including-the-newly-sequenced-strain-nckuh-21-isolated-from-a-patient-in-taiwan
#9
Haruo Suzuki, Masaru Tomita, Pei-Jane Tsai, Wen-Chien Ko, Yuan-Pin Hung, I-Hsiu Huang, Jenn-Wei Chen
Background: Clostridium difficile is a Gram-positive anaerobe and the leading cause of antibiotic-associated diarrhea worldwide. The emergence of ribotype 027 (RT027) strains is associated with increased incidence of infection and mortality. To further understand the relationship between C. difficile NCKUH-21, a RT027 strain isolated from a patient in Taiwan, and other RT027 strains, we performed whole-genome shotgun sequencing on NCKUH-21 and comparative genomic analyses. Results: The genome size, G+C content, and gene number for the NCKUH-21 strain were determined to be similar to those for other C...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29208562/microbiological-factors-affecting-clostridium-difficile-recurrence
#10
REVIEW
C H Chilton, D S Pickering, J Freeman
BACKGROUND: Recurrent Clostridium difficile infection (rCDI) places a huge economic and practical burden on healthcare facilities. Furthermore, rCDI may impact quality of life, leaving patients in a 'rCDI cycle', and dependant on antibiotic therapy. AIMS: This article discusses the importance of microbiological factors in the development of rCDI. SOURCES: Literature was drawn from a search of PubMed from 2000 onwards with the search term "recurrent Clostridium difficile infection"; and further references quoted within these articles...
December 2, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29206751/the-impact-of-clostridium-difficile-infection-on-mortality-in-patients-with-inflammatory-bowel-disease-a-systematic-review-and-meta-analysis
#11
Raseen Tariq, Cindy C Y Law, Sahil Khanna, Sanjay Murthy, Jeffrey D McCurdy
BACKGROUND AND AIMS: Clostridium difficile infection (CDI) has been associated with an increased mortality risk among patients with inflammatory bowel disease (IBD) in multiple observational studies. We performed a systematic review and meta-analysis to help clearly define the magnitude of risk in IBD patients with and without CDI, and to assess the risk in individual IBD subtypes. METHODS: A systematic search of multiple electronic databases was conducted for observational studies reporting the risk of mortality in IBD, stratified by the presence of CDI...
December 4, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29203364/the-presence-of-il-8-781-t-c-polymorphism-is-associated-with-the-parameters-of-severe-clostridium-difficile-infection
#12
Jacek Czepiel, Grażyna Biesiada, Mirosław Dróżdż, Joanna Gdula-Argasińska, Justyna Żuranska, Jakub Marchewka, William Perucki, Paweł Wołkow, Aleksander Garlicki
PURPOSE: There is large variation in the clinical manifestations of Clostridium difficile infection (CDI). We also still can not predict which patients are more susceptible to reinfection with CDI. The aim of our study was to evaluate the effect of gene single nucleotide polymorphisms (SNP) of proinflammatory cytokines, specifically IL-1β, IL-8 on the development, clinical course and recurrence of CDI. METHODS: We performed a prospective study of adults (130 people ≥ 18 years) including 65 patients with CDI treated in tertiary hospital and 65 healthy persons...
December 1, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29202142/antibiotic-overprescribing-still-a-major-concern
#13
David C Fiore, Lacy P Fettic, Stephanie D Wright, Bonnie R Ferrara
Despite universal agreement that antibiotic overprescribing is a problem, the practice continues to vex us. Antibiotic use--whether appropriate or not--has been linked to rising rates of antimicrobial resistance, disruption of the gut microbiome leading to Clostridium difficile infections, allergic reactions, and increased health care costs. And yet, physicians continue to overprescribe this class of medication. A 2016 Centers for Disease Control and Prevention report estimates that at least 30% of antibiotics prescribed in US outpatient settings are unnecessary...
December 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/29201180/rapid-visual-detection-of-binary-toxin-producing-clostridium-difficile-by-loop-mediated-isothermal-amplification
#14
Lan Yu, Huan Li, Xiangna Zhao, Xuesong Wang, Xiao Wei, Weishi Lin, Puyuan Li, Lihong Cui, Jing Yuan
The binary toxin Clostridium difficile transferase (CDT) is frequently observed in C. difficile strains and is associated with an increased severity of C. difficile infection. CDT-producing C. difficile infections cause higher fatality rates than infections with CDT negative isolates. Thus, the rapid and accurate identification of a CDT positive C. difficile infection is critical for effective treatment. The present study demonstrates how loop-mediated isothermal amplification (LAMP) can be used to detect CDT-producing C...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29195778/epidemiology-and-risk-factors-for-clostridium-difficile-associated-diarrhea-in-adult-inpatients-in-a-university-hospital-in-china
#15
Chenjie Tang, Yang Li, Chengcheng Liu, Pengfei Sun, Xu Huang, Wenying Xia, Huimin Qian, Lunbiao Cui, Genyan Liu
BACKGROUND: Clostridium difficile-associated diarrhea (CDAD) is an important disease with rising incidence and mortality in western countries. However, studies about CDAD in China are limited. The aims of this study are to investigate the epidemiology and risk factors of CDAD in a university hospital located in Eastern China. METHODS: Diarrhea samples of all adult inpatients were collected for C difficile culture prospectively from August 2013-April 2014. Suspected colonies were identified by biochemical identification cards...
November 28, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29193949/-case-series-of-clostridium-difficile-nap1-027-bi-with-novels-treatments
#16
Silvia Esmeralda Pérez-Topete, Tomás Miranda-Aquino, Juan Jacobo Ayala-Gaytan
BACKGROUND: Clostridium difficile is a spore-forming bacterium, producing exotoxins, causing potentially fatal nosocomial diarrhea. They have recently reported outbreaks of C. difficile ribotype 027, which is characterized by a hypervirulent strain and high resistance to standard therapy. CLINICAL CASE: We present three cases of Clostridium difficile NAP1/027/BI associated infection, they were presented with different clinical manifestations. Two of the patients were successfully treated with the combination of vancomycin plus tigecycline...
September 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29193458/high-prevalence-of-clostridium-difficile-on-retail-root-vegetables-western-australia
#17
S C Lim, N F Foster, B Elliott, T V Riley
AIMS: The incidence of community-associated Clostridium difficile infection (CA-CDI) in Australia has increased since mid-2011. With reports of clinically important C. difficile strains being isolated from retail foods in Europe and North America, a foodborne source of C. difficile in cases of CA-CDI is a possibility. This study represents the first to investigate the prevalence and genotypes of C. difficile in Australian retail vegetables. METHODS AND RESULTS: A total of 300 root vegetables grown in Western Australia (WA) were collected from retail stores and farmers' markets...
November 28, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29189354/probiotics-for-prevention-of-clostridium-difficile-infection
#18
John P Mills, Krishna Rao, Vincent B Young
PURPOSE OF REVIEW: Probiotics may prevent Clostridium difficile infection (CDI), a leading healthcare-associated infection in the United States. However, prior studies were limited by heterogeneity in products and patient populations. Recent clinical evidence and new approaches to probiotic development are reviewed. RECENT FINDINGS: Probiotic use may reduce incident CDI in high-risk populations by as much as 50%, though prior clinical trials have yielded conflicting results...
November 17, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/29188783/the-recent-emergence-of-clostridium-difficile-infection-in-romanian-hospitals-is-associated-with-a-high-prevalence-of-polymerase-chain-reaction-ribotype-027
#19
Gabriel Adrian Popescu, Roxana Serban, Adriana Pistol, Andreea Niculcea, Andreea Preda, Daniela Lemeni, Ioana Sabina Macovei, Daniela Tălăpan, Alexandru Rafila, Dragoş Florea
AIMS: To evaluate the epidemiology of Clostridium difficile infection in several Romanian hospitals. METHODS: A survey was conducted from November 2013 to February 2014 in 9 hospitals selected from different Romanian regions. RESULT: The survey identified 393 patients with C. difficile infection. The median age was 67 years (range: 2-94 years) with 56% of patients older than 65 years. The mean C. difficile infection prevalence was 5.2 per 10...
November 30, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29187841/genome-comparison-of-erythromycin-resistant-campylobacter-from-turkeys-identifies-hosts-and-pathways-for-horizontal-spread-of-erm-b-genes
#20
Diego Florez-Cuadrado, María Ugarte-Ruiz, Guillaume Meric, Alberto Quesada, M C Porrero, Ben Pascoe, Jose L Sáez-Llorente, Gema L Orozco, Lucas Domínguez, Samuel K Sheppard
Pathogens in the genus Campylobacter are the most common cause of food-borne bacterial gastro-enteritis. Campylobacteriosis, caused principally by Campylobacter jejuni and Campylobacter coli, is transmitted to humans by food of animal origin, especially poultry. As for many pathogens, antimicrobial resistance in Campylobacter is increasing at an alarming rate. Erythromycin prescription is the treatment of choice for clinical cases requiring antimicrobial therapy but this is compromised by mobility of the erythromycin resistance gene erm(B) between strains...
2017: Frontiers in Microbiology
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