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https://www.readbyqxmd.com/read/28730697/impact-of-simultaneous-glutamate-dehydrogenase-gdh-and-toxin-a-b-rapid-immunoassay-on-clostridium-difficile-diagnosis-and-treatment-in-hospitalized-patients-with-antibiotic-associated-diarrhea-in-a-university-hospital-of-brazil
#1
Guilherme Grossi Lopes Cançado, Rodrigo Otávio Silveira Silva, Amanda Pontes Nader, Francisco Carlos Faria Lobato, Eduardo Garcia Vilela
BACKGROUND: Clostridium difficile is a major cause of health care-associated infection, but disagreement between diagnostic tests is an ongoing barrier to clinical decision making. Conventional enzyme immunoassay (EIA) for toxin detection is currently the most frequently used technique for CDI diagnosis, but its low sensitivity makes the development of an alternative strategy necessary for improving the diagnosis in developing countries. METHODS: Between years 2011 and 2015, 154 stool samples from patients with antibiotic-associated diarrhea were examined by toxigenic culture (TC) and EIA for the diagnosis of CDI...
July 20, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28707191/clostridium-difficile-colitis-and-colonoscopy-pediatric-perspective
#2
REVIEW
Randolph McConnie, Arthur Kastl
PURPOSE OF THE REVIEW: Review tests available for detection of Clostridium difficile (C. Diff) induced disease, including when such tests should be done in children and how they should be interpreted. RECENT FINDINGS: Multiple tests are available for detecting disease due to C. diff. These include colonoscopy and stool analysis. Colonoscopy with biopsy is the most sensitive test for detecting the presence of colitis. The toxins produced by the C. diff. (toxin A, toxin B, and binary toxin) are the agents that cause injury and disease...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28631639/prevalence-of-clostridium-difficile-infection-among-the-patients-attending-a-tertiary-care-teaching-hospital
#3
Lavanya Segar, Joshy M Easow, Sreenivasan Srirangaraj, Mohammad Hanifah, Noyal M Joseph, K S Seetha
BACKGROUND: Clostridium difficile, a most important nosocomial enteric pathogen, is recognized globally as responsible for antibiotic-associated diarrhea and colitis. It is associated with considerable morbidity and mortality due to widespread use of antibiotics. AIMS: The study was done to determine the prevalence of C. difficile infection (CDI) among the patients attending a tertiary care teaching hospital in Puducherry. SETTINGS AND DESIGN: We performed a prospective cohort study in Mahatma Gandhi Medical College and Research Institute...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28615471/clostridium-difficile-pcr-cycle-threshold-predicts-free-toxin
#4
Fiona Senchyna, Rajiv L Gaur, Saurabh Gombar, Cynthia Y Truong, Lee F Schroeder, Niaz Banaei
Background. There is no stand-alone Clostridium difficile diagnostic that can sensitively and rapidly detect fecal free toxins. We investigated the performance of C. difficile PCR cycle threshold (CT) for predicting free toxin status.Method. Consecutive stool samples (n=312) positive for toxigenic C. difficile with the GeneXpert C.diff Epi tcdB PCR assay were tested with the rapid membrane C. DIFF QUIK CHEK COMPLETE immunoassay (RMEIA). RMEIA toxin-negative samples were tested with the cell cytotoxicity neutralization assay (CCNA) and tgcBIOMICS ELISA...
June 14, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28603640/prevalence-and-molecular-epidemiology-of-clostridium-difficile-infection-in-indonesia
#5
D A Collins, M H Gasem, T H Habibie, I G Arinton, P Hendriyanto, A P Hartana, T V Riley
Clostridium difficile has not been studied in detail in Asia, particularly Southeast Asia. We thus performed a prevalence study across four hospitals in Central Java province, Indonesia. Stool samples were collected from patients with diarrhoea and tested by enzyme immunoassay for glutamate dehydrogenase (GDH) and toxin A/B (C DIFF QUIK CHEK COMPLETE, TechLab). Specimens were cultured and molecular typing was performed. In total, 340 samples were tested, of which 70 (20.6%) were GDH positive, with toxin detected in 19 (5...
July 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28576711/safety-and-efficacy-of-antibacterial-prophylaxis-after-craniotomy-a-decision-model-analysis
#6
Amal F Alotaibi, Rania A Mekary, Hasan A Zaidi, Timothy R Smith, Ankur Pandya
BACKGROUND: Antibiotic prophylaxis has revolutionized the safety of neurosurgical procedures in the last century. Today, the clinician's drug of choice prior surgery is often based on the antibiotic's resistance profile and drug-induced complications. METHODS: A decision tree model was developed to compare cefazolin (cephalosporin), vancomycin, or their combination on 90-day mortality post-craniotomy. We modeled the infection type (methicillin-sensitive, methicillin-resistant, or other organisms), antibiotic-related complications that could affect mortality (e...
May 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28215602/clostridium-difficile-infection-in-acute-flares-of-inflammatory-bowel-disease-a-prospective-study
#7
Harry Sokol, Valérie Lalande, Cecilia Landman, Anne Bourrier, Isabelle Nion-Larmurier, Sylvie Rajca, Julien Kirchgesner, Philippe Seksik, Jacques Cosnes, Frédéric Barbut, Laurent Beaugerie
OBJECTIVES: Clostridium difficile infection (CDI) is a common complication in inflammatory bowel disease (IBD) and has been associated with poor IBD outcome. The aims of our study were to look for predictive factors of CDI in patients hospitalized for IBD flare and to evaluate a rapid testing strategy in this population. METHODS: Consecutive patients hospitalized for IBD flare in Saint-Antoine Hospital (Paris, France) were prospectively tested for CDI with a defined strategy involving rapid testing and reference methods...
June 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28181032/comprehensive-evaluation-of-chemiluminescent-immunoassays-for-the-laboratory-diagnosis-of-clostridium-difficile-infection
#8
A Makristathis, I Zeller, D Mitteregger, M Kundi, A M Hirschl
For the microbiological diagnosis of a Clostridium (C.) difficile infection (CDI), a two-test algorithm consisting of a C. difficile glutamate dehydrogenase (GDH)-immunoassay followed by a toxin-immunoassay in positive cases is widely used. In this study, two chemiluminescent immunoassays (CLIAs), one for GDH and the other for the toxins A and B, have been evaluated systematically using appropriate reference methods. Three-hundred diarrhoeal stool specimens submitted for CDI diagnosis were analysed by the LIAISON CLIAs (DiaSorin)...
July 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28177534/laboratory-diagnosis-of-clostridium-difficile-infection-comparison-of-techlab-c-diff-quik-chek-complete-xpert-c-difficile-and-multistep-algorithmic-approach
#9
Ja Young Seo, Ji Hun Jeong, Kyung Hee Kim, Jeong-Yeal Ahn, Pil-Whan Park, Yiel-Hea Seo
BACKGROUND: Clostridium difficile is a major pathogen responsible for nosocomial infectious diarrhea. We explored optimal laboratory strategies for diagnosis of C. difficile infection (CDI) in our clinical settings, a 1400-bed tertiary care hospital. METHODS: Using 191 fresh stool samples from adult patients, we evaluated the performance of Xpert C. difficile (Xpert CD), C. diff Quik Chek Complete (which simultaneously detects glutamate dehydrogenase [GDH] and C...
February 8, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27876339/diagnosis-and-treatment-of-clostridium-difficile-c-diff-colitis-review-of-the-literature-and-a-perspective-in-gynecologic-oncology
#10
REVIEW
Kristin N Taylor, Michael T McHale, Cheryl C Saenz, Steven C Plaxe
Clostridium difficile infection (CDI) is a major cause of nosocomial diarrhea with the potential for significant morbidity and mortality. Colonization in a susceptible individual, with risk factors such as prior antibiotic use, advanced age, or medical comorbidities, may result in symptomatic infection. Although patients with a gynecologic malignancy may be at a higher risk of developing CDI due to an increased likelihood of having one or more risk factors, data do not consistently support the idea that chemotherapy or cancer itself are independently associated with CDI...
February 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27850214/574-extreme-body-mass-indices-are-associated-with-greater-mortality-in-patients-with-c-diff-infections
#11
William McGee, Brian Nathanson, Thomas Higgins
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27801920/hydralazine-induced-anca-vasculitis-in-the-setting-of-acute-clostridium-difficile-infection
#12
Somwail Rasla, Amr El Meligy, Dragos F Cucu
We report a rare case of Hydralazine-induced ANCA associated glomerulonephritis with alveolar hemorrhage in the setting of acute Clostridium Difficile Infection. A 71-year-old Caucasian woman with hypertension, who was being treated with hydralazine 25 mg twice a day for six years, presented to the hospital with diarrhea, nausea, vomiting and anemia. She had acute kidney injury and urinalysis showed proteinuria, dysmorphic RBCs, and rare RBC cast. She was found to have Clostridium difficile colitis which was successfully treated...
November 1, 2016: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/27651167/clostridium-difficile-infection-diagnostics-evaluation-of-the-c-diff-quik-chek-complete-assay-a-rapid-enzyme-immunoassay-for-detection-of-toxigenic-c-difficile-in-clinical-stool-samples
#13
COMPARATIVE STUDY
Karin Johansson, Hanna Karlsson, Torbjörn Norén
Diagnostic testing for Clostridium difficile infection (CDI) has, in recent years, seen the introduction of rapid dual-EIA (enzyme immunoassay) tests combining species-specific glutamate dehydrogenase (GDH) with toxin A/B. In a prospective study, we compared the C. DIFF Quik Chek Complete test to a combination of selective culture (SC) and loop-mediated isothermal amplification (LAMP) of the toxin A gene. Of 419 specimens, 68 were positive in SC including 62 positive in LAMP (14.7%). The combined EIA yielded 82 GDH positives of which 47 were confirmed toxin A/B positive (11%) corresponding to a sensitivity and specificity of 94% for GDH EIA compared to SC and for toxin A/B EIA a sensitivity of 71% and a specificity of 99% compared to LAMP...
November 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27625418/evaluation-of-the-performance-of-c-diff-quik-chek-complete-and-its-usefulness-in-a-hospital-setting-with-a-high-prevalence-of-clostridium-difficile-infection
#14
Hae-Sun Chung, Miae Lee
Rapid and accurate diagnosis of Clostridium difficile infection (CDI) is crucial for patient care, infection control, and efficient surveillance. We evaluated C. DIFF QUIK CHEK COMPLETE (QCC; TechLab), which detects glutamate dehydrogenase (GDH) antigen (QCC-Ag) and toxin A/B (QCC-Tox) simultaneously, and compared it to the laboratory diagnostics for CDI currently in use in a tertiary hospital setting with a high prevalence of CDI. QCC, RIDASCREEN C. difficile toxin A/B assay (Toxin EIA; R-Biopharm AG), chromID C...
January 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/27535127/comparing-effects-of-soybean-oil-and-palm-olein-based-mayonnaise%C3%A2-consumption-on-the-plasma-lipid-and-lipoprotein-profiles-in-human-subjects-a-double-blind-randomized-controlled-trial-with-cross-over-design
#15
RANDOMIZED CONTROLLED TRIAL
Tilakavati Karupaiah, Khun-Aik Chuah, Karuthan Chinna, Ryosuke Matsuoka, Yasunobu Masuda, Kalyana Sundram, Michihiro Sugano
BACKGROUND: Mayonnaise is used widely in contemporary human diet with widespread use as a salad dressing or spread on breads. Vegetable oils used in its formulation may be a rich source of ω-6 PUFAs and the higher-PUFA content of mayonnaise may be beneficial in mediating a hypocholesterolemic effect. This study, therefore, evaluated the functionality of mayonnaise on cardiometabolic risk within a regular human consumption scenario. METHODS: Subjects underwent a randomized double-blind crossover trial, consuming diets supplemented with 20 g/day of either soybean oil-based mayonnaise (SB-mayo) or palm olein-based mayonnaise (PO-mayo) for 4 weeks each with a 2-week wash-out period...
August 17, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27465145/characterisation-of-clostridium-difficile-strains-isolated-from-groote-schuur-hospital-cape-town-south-africa
#16
B Kullin, T Brock, N Rajabally, F Anwar, G Vedantam, S Reid, V Abratt
The C. difficile infection rate in South Africa is concerning. Many strains previously isolated from diarrhetic patients at Groote Schuur Hospital were ribotype 017. This study further characterised these strains with respect to their clonal relationships, antibiotic susceptibility, toxin production and various attributes impacting on pathogen colonisation. Multilocus variable-number tandem-repeat analysis (MLVA) was used to characterise all C. difficile isolates. Antibiotic susceptibility was determined by E-test and PCR-based analysis of the ermB, gyrA and gyrB genes...
October 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27351123/cracking-down-on-c-diff
#17
Kathleen Murray
No abstract text is available yet for this article.
July 2016: Nursing Management
https://www.readbyqxmd.com/read/27337554/clostridium-difficile-infection-an-emerging-cause-of-death-in-the-twenty-first-century
#18
Viytta N Abdullatif, Andrew Noymer
Enterocolitis due to Clostridium difficile is major emerging cause of death in the U.S. Between 1999 and 2012, C. diff. deaths rose by a staggering almost ten-fold amount, to 7,739 from 793. This article has three goals. First, we present a demographic description of C. diff. mortality in the U.S. since 1999. Second, we test a hypothesis that the increase in C. diff. deaths is due to population aging. We find that the emergence of this cause of death follows a proportional hazard pattern above age 40. Thus, population aging is not the only factor responsible for the increase in C...
2016: Biodemography and Social Biology
https://www.readbyqxmd.com/read/27031464/an-economic-analysis-of-strategies-to-control-clostridium-difficile-transmission-and-infection-using-an-agent-based-simulation-model
#19
Richard E Nelson, Makoto Jones, Molly Leecaster, Matthew H Samore, William Ray, Angela Huttner, Benedikt Huttner, Karim Khader, Vanessa W Stevens, Dale Gerding, Marin L Schweizer, Michael A Rubin
BACKGROUND: A number of strategies exist to reduce Clostridium difficile (C. difficile) transmission. We conducted an economic evaluation of "bundling" these strategies together. METHODS: We constructed an agent-based computer simulation of nosocomial C. difficile transmission and infection in a hospital setting. This model included the following components: interactions between patients and health care workers; room contamination via C. difficile shedding; C. difficile hand carriage and removal via hand hygiene; patient acquisition of C...
2016: PloS One
https://www.readbyqxmd.com/read/27004398/-recent-epidemiology-of-clostridium-difficile-infection-in-japan
#20
Yuka Yamagishi, Hiroshige Mikamo
Clostridium difficile (C. difficile) is a major pathogen for diarrhea in hospitalized patients and because of outbreak of highly virulent strain in EU and US, increased length of hospital stay and increased numbers of severe patients and deaths have become major challenges. In recent years, transmissions through community-acquired or food-borne infections are reported. National surveillance has been already performed overseas. Guidelines for preventing C. difficile infection (CDI) is available, and education activities are promoted for preventing the infection spread...
December 2015: Japanese Journal of Antibiotics
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