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https://www.readbyqxmd.com/read/29781761/prevention-and-treatment-of-clostridium-difficile-associated-diarrhea-by-reconstitution-of-the-microbiota
#1
Noa Eliakim-Raz, Jihad Bishara
This review summarizes the latest advances in treating and preventing Clostridium difficile infection (CDI), the most common infectious disease cause of nosocomial diarrhea in adults in developed countries. As customary antibiotic therapies against C. difficile, metronidazole and vancomycin, are broad spectrum, they affect greatly the gut microbiota, which result in very high recurrence rates. Therefore, new strategies are researched intensively. New therapies focus on limiting further destruction of the gut microbiota or restoring the microbiota to its pre-destructed state...
May 21, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29779687/lack-of-improvement-in-antimicrobial-prescribing-after-a-diagnosis-of-clostridium-difficile-and-impact-on-recurrence
#2
Richard L Watson, Christopher J Graber
BACKGROUND: Antimicrobial use is one of the largest modifiable risk factors for development of Clostridium difficile infection (CDI). We sought to determine if a recent diagnosis of CDI affected the appropriateness of subsequent antimicrobial prescribing. METHODS: This study is a retrospective electronic chart review of the Greater Los Angeles Veterans Administration. Medication administration records were reviewed for all patients with new CDI from 2015-2016 to determine the appropriateness (drug choice, duration, and dosage) of all non-CDI antimicrobials prescribed within 90 days pre- and post-initial CDI (iCDI) positive testing...
May 17, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29779649/evaluation-of-a-best-practice-alert-to-reduce-unnecessary-clostridium-difficile-testing-following-receipt-of-a-laxative
#3
Anastasia Bilinskaya, Kellie J Goodlet, Michael D Nailor
INTRODUCTION: This study examined the effect of an alert notifying providers ordering Clostridium difficile PCR when their patient received a laxative within 24 hours at four hospitals. METHODS: All patients whose provider received the laxative alert when ordering C. difficile testing were examined. RESULTS: Three hundred sixty-six patients had 483 alerts triggered, with 75% overridden. While 74% of patients had ≥2 bowel movements immediately pre-order, 33% of C...
April 21, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29779574/cardiac-disease-induced-ptsd-and-fear-of-illness-progression-capturing-the-unique-nature-of-disease-related-ptsd
#4
Keren Fait, Noa Vilchinsky, Rachel Dekel, Nitza Levi, Hanoch Hod, Shlomi Matetzky
According to Edmondson's Enduring Somatic Threat (EST) Model of PTSD Due to Acute Life-Threatening Medical Events, the nature of PTSD in the context of illness may differ from the nature of "traditional" PTSD in that it includes future-oriented alongside past-related intrusive thoughts. Yet almost no empirical studies to date have assessed the putative future-oriented quality of cardiac-disease-induced PTSD (CDI-PTSD). In the current study, we assessed the hypothesized associations between CDI-PTSD and fear of illness progression (FoP) - a novel theoretical conceptualization of patients' future-related anxieties...
May 16, 2018: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29779082/does-obesity-influence-the-risk-of-clostridium-difficile-infection-among-patients-with-ulcerative-colitis
#5
Sajiv Chandradas, Hamed Khalili, Ashwin Ananthakrishnan, Connor Wayman, Warren Reidel, Jill Waalen, Gauree G Konijeti
BACKGROUND: Patients with ulcerative colitis (UC) are at an increased risk of Clostridium difficile infection (CDI) compared with the general population. Recent data suggest that obesity also increases the risk of CDI. AIMS: To examine whether obesity influences the risk of CDI among patients with UC. STUDY: We conducted a retrospective cross-sectional study of UC patients seen in gastroenterology clinic between January 1, 2014, and December 31, 2015...
May 19, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29774477/cefepime-vs-cefoperazone-sulbactam-in-combination-with-amikacin-as-empirical-antibiotic-therapy-in-febrile-neutropenia
#6
M Ponraj, Biswajit Dubashi, B H Harish, S Kayal, S L Cyriac, Jogamaya Pattnaik, K Ranjith, Unni S Pillai, Naresh Jadhav, Kiran K Matta, Jagdeep Singh, Esha Jaffa, Bhanu Prakash
PURPOSE: Beta lactams are standard empirical therapy for febrile neutropenia (FN). The aim of this study was to evaluate the efficacy and safety of cefepime monotherapy compared with cefoperazone/sulbactam plus amikacin (CS + A) for empirical treatment of high risk FN. METHODS: One hundred seventy-five patients with 336 FN episodes were randomized to receive either cefepime (2 g q8h for adults and 50 mg/kg q8h for children) or CS (2 g q8h for adults and 50 mg/kg q8h for children) plus amikacin (15 mg/kg once a day)...
May 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29769275/-point-counterpoint-active-surveillance-for-carriers-of-toxigenic-clostridium-difficile-should-be-performed-to-guide-prevention-efforts
#7
L Clifford McDonald, Daniel J Diekema
In 2017, we published a point-counterpoint on laboratory diagnosis of C. difficile infection (CDI). At that time, Drs Ferric Fang, Christopher Polage, and Mark Wilcox discussed the strategies for diagnosing Clostridium difficile colitis in symptomatic patients. Since that manuscript new guidelines from the Infectious Diseases Society of American and the Society for Health Care Epidemiology have been published (1) and healthcare systems have begun to explore screening asymptomatic patients for C. difficile colonization...
May 16, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29768835/green-synthesis-of-1-1-carbonyldiimidazole-using-copper-oxide-nanofiber-as-a-heterogeneous-catalyst
#8
Thenmozhi Sukumar, Dharmaraj Nallasamy
Poly(vinyl pyrrolidone) (PVP)/copper oxide composite nanofibers were prepared by electrospinning technique using PVP and copper acetate as precursors and calcinated at high temperature to yield polymer free, phase pure copper oxide nanofibers (CuO NFs). The powder X-ray diffraction (XRD) pattern, transmission electron microscopic (TEM) images and selected area electron diffraction pattern (SAED) results showed that the calcinated CuO NFs were crystalline with 166 nm diameter and monoclinic in phase. From the catalytic application point of view, the newly prepared electrospun CuO NFs were tested for N-arylation of imidazole using aryl halides...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29768720/bis-cyclic-guanidine-as-a-novel-class-of-compounds-potent-against-clostridium-difficile
#9
Chunhui Li, Peng Teng, Zhong Peng, Peng Sang, Xingmin Sun, Jianfeng Cai
Clostridium difficile infection (CDI) symptoms range from diarrhea to severe toxic megacolon and even death. Due to its rapid acquisition of resistance, C. difficile is listed as an urgent antibiotic-resistant threat, and has surpassed methicillin-resistant Staphylococcus aureus (MRSA) as the most common hospital-acquired infections in the USA. To combat the pathogen, the new structural class of pseudo peptides that exhibit antimicrobial activities could play an important role. Herein, we report that bis-cyclic guanidine compounds that exhibit potent antibacterial activity against C...
May 16, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29760687/molecular-characterization-of-clostridium-difficil-e-isolates-in-china-from-2010-to-2015
#10
Xiao-Shu Liu, Wen-Ge Li, Wen-Zhu Zhang, Yuan Wu, Jin-Xing Lu
Clostridium difficile infection (CDI) has become a worldwide public health problem causing high mortality and a large disease burden. Molecular typing and analysis is important for surveillance and infection control of CDI. However, molecular characterization of C . difficile across China is extremely rare. Here, we report on the toxin profiles, molecular subtyping with multilocus sequence typing (MLST) and PCR ribotyping, and epidemiological characteristics of 199 C. difficile isolates collected between 2010 through 2015 from 13 participating centers across China...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29743839/is-clostridium-difficile-infection-a-real-threat-in-patients-with-ulcerative-colitis-a-prospective-multicenter-study-in-korea
#11
Dae Bum Kim, Kang-Moon Lee, Sang Hyoung Park, You Sun Kim, Eun Soo Kim, Jun Lee, Sung-Ae Jung, Geom Seog Seo, Ji Min Lee
Background/Aims: Clostridium difficile infection (CDI) has been reported to be a cause of flare-ups in patients with ulcerative colitis (UC). We evaluated the prevalence and clinical outcomes of CDI in patients with UC hospitalized for flare-ups. Methods: This was a prospective, multicenter study including 7 academic teaching hospitals in Korea. All consecutive patients with UC admitted for disease flare-up were enrolled. We detected the presence of CDI by using enzyme immunoassay, real-time polymerase chain reaction (RT-PCR) for toxin genes, and sigmoidoscopy...
April 2018: Intestinal Research
https://www.readbyqxmd.com/read/29739941/in-situ-coherent-diffractive-imaging
#12
Yuan Hung Lo, Lingrong Zhao, Marcus Gallagher-Jones, Arjun Rana, Jared J Lodico, Weikun Xiao, B C Regan, Jianwei Miao
Coherent diffractive imaging (CDI) has been widely applied in the physical and biological sciences using synchrotron radiation, X-ray free-electron laser, high harmonic generation, electrons, and optical lasers. One of CDI's important applications is to probe dynamic phenomena with high spatiotemporal resolution. Here, we report the development of a general in situ CDI method for real-time imaging of dynamic processes in solution. By introducing a time-invariant overlapping region as real-space constraint, we simultaneously reconstructed a time series of complex exit wave of dynamic processes with robust and fast convergence...
May 8, 2018: Nature Communications
https://www.readbyqxmd.com/read/29739486/outcomes-associated-with-clostridium-difficile-infection-in-patients-with-chronic-liver-disease
#13
Kierra M Dotson, Samuel L Aitken, Amelia K Sofjan, Dhara N Shah, Rajender R Aparasu, Kevin W Garey
Patients with chronic liver disease (CLD) have frequent exposure to Clostridium difficile infection (CDI) risk factors but the incidence and aetiology of CDI on this population is poorly understood. The aim of this study was to assess the incidence, disease presentation and outcomes of CDI in patients with underlying CLD. The Health Care and Utilization Project National Inpatient Sample (HCUP-NIS) 2009 dataset was used to identify patients with CLD who developed CDI along with matched non-CLD patients with CDI...
May 9, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29738579/baicd-gene-cluster-abundance-is-negatively-correlated-with-clostridium-difficile-infection
#14
Philipp Solbach, Patrick Chhatwal, Sabrina Woltemate, Evelina Tacconelli, Michael Buhl, Markus Gerhard, Christoph K Thoeringer, Maria J G T Vehreschild, Nathalie Jazmati, Jan Rupp, Michael P Manns, Oliver Bachmann, Sebastian Suerbaum
BACKGROUND: Clostridium difficile infection (CDI) is a major cause of hospital-acquired diarrhea. Secondary bile acids were shown to confer resistance to colonization by C. difficile. 7α-dehydroxylation is a key step in transformation of primary to secondary bile acids and required genes have been located in a single bile acid-inducible (bai) operon in C. scindens as well as in C. hiranonis, two Clostridium sp. recently reported to protect against C. difficile colonization. AIM: To analyze baiCD gene abundance in C...
2018: PloS One
https://www.readbyqxmd.com/read/29734040/self-similarities-in-desalination-dynamics-and-performance-using-capacitive-deionization
#15
Ashwin Ramachandran, Ali Hemmatifar, Steven A Hawks, Michael Stadermann, Juan G Santiago
Charge transfer and mass transport are two underlying mechanisms which are coupled in desalination dynamics using capacitive deionization (CDI). We developed simple reduced-order models based on a mixed reactor volume principle which capture the coupled dynamics of CDI operation using closed-form semi-analytical and analytical solutions. We use the models to identify and explore self-similarities in the dynamics among flow rate, current, and voltage for CDI cell operation including both charging and discharging cycles...
April 21, 2018: Water Research
https://www.readbyqxmd.com/read/29725956/use-of-prophylactic-saccharomyces-boulardii-to-prevent-clostridium-difficile-infection-in-hospitalized-patients-a-controlled-prospective-intervention-study
#16
Jeppe West Carstensen, Mahtab Chehri, Kristian Schønning, Steen Christian Rasmussen, Jacob Anhøj, Nina Skavlan Godtfredsen, Christian Østergaard Andersen, Andreas Munk Petersen
Clostridium difficile infection (CDI) is a common complication to antibiotic use. Saccharomyces boulardii has shown effect as a prophylactic agent. We aimed to evaluate the efficacy of S. boulardii in preventing CDI in unselected hospitalized patients treated with antibiotics. We conducted a 1 year controlled prospective intervention study aiming to prescribe Sacchaflor (S. boulardii 5 × 109 , Pharmaforce ApS) twice daily to hospitalized patients treated with antibiotics. Comparable departments from three other hospitals in our region were included as controls...
May 3, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29720841/a-novel-method-to-mask-the-bitter-taste-of-berberine-hydrochloride-powder-surface-modification
#17
Hong Jiang, Dingkun Zhang, Jing He, Xue Han, Junzhi Lin, Yang Lan, Xi Xiong, Lingying Yu, Ming Yang, Li Han
Background: Berberine hydrochloride (BH) is widely used as a nonprescription drug to treat diarrhea without drug resistance and side effects worldwide. However, its drastic bitterness affects patient compliance severely. Hence, it is essential to mask the bitter taste of BH. Objective: Powder surface modification technology is attempted to mask the bitterness of BH through changing the surface properties in vibromill. The purpose of this study was to apply this technology to mask the bitterness of BH and improve the patient compliance...
April 2018: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29720433/evaluation-of-the-use-of-rectal-swabs-for-the-laboratory-diagnosis-of-clostridium-difficile-infection
#18
N Jazmati, E Kirpal, E Piepenbrock, Y Stelzer, M J G T Vehreschild, H Seifert
Background: For the diagnosis of Clostridium difficile infection (CDI), microbiological testing is almost always accomplished through analysis of stool specimens. We evaluated the performance of rectal swabs with liquid transport medium (FS) and nylon flocked dry swabs for the detection of C. difficile Additionally, the impact on the diagnostic yield of storing swabs at -80°C for up to three months was evaluated. Methods: Sixty clinical stool samples positive for C. difficile by PCR were used for simulating rectal swabbing...
May 2, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29713630/novel-antimicrobials-for-the-treatment-of-clostridium-difficile-infection
#19
REVIEW
Nicola Petrosillo, Guido Granata, Maria Adriana Cataldo
The current picture of Clostridium difficile infection (CDI) is alarming with a mortality rate ranging between 3% and 15% and a CDI recurrence rate ranging from 12% to 40%. Despite the great efforts made over the past 10 years to face the CDI burden, there are still gray areas in our knowledge on CDI management. The traditional anti-CDI antimicrobials are not always adequate in addressing the current needs in CDI management. The aim of our review is to give an update on novel antimicrobials for the treatment of CDI, considering the currently available evidences on their efficacy, safety, molecular mechanism of action, and their probability to be successfully introduced into the clinical practice in the near future...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29710382/charge-and-potential-balancing-for-optimized-capacitive-deionization-using-lignin-derived-low-cost-activated-carbon-electrodes
#20
Rafael Linzmeyer Zornitta, Pattarachai Srimuk, Juhan Lee, Benjamin Krüner, Mesut Aslan, Luis Augusto Martins Ruotolo, Volker Presser
We introduce lignin-derived carbon as a promising electrode material for water desalination using capacitive deionization (CDI). Lignin is a low-cost precursor from cellulose and ethanol industries, and we used carbonization and subsequent KOH activation to obtain highly porous carbon. The CDI cells with a pair of lignin-derived carbon electrodes presented an initially high salt adsorption capacity but rapidly lost their beneficial desalination performance. To capitalize on the high porosity of lignin-derived carbon, we then used asymmetric electrode configurations to stabilize the CDI performance...
April 30, 2018: ChemSusChem
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