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Multidrug-resistant Organism

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https://www.readbyqxmd.com/read/29149963/urinary-tract-infections-in-the-first-year-post-kidney-transplantation-potential-benefits-of-treating-asymptomatic-bacteriuria
#1
P Kotagiri, D Chembolli, J Ryan, P D Hughes, N D Toussaint
BACKGROUND: Urinary tract infections (UTIs) are the commonest infectious complication in kidney transplant recipients (KTRs). No recommendations exist regarding treatment of asymptomatic bacteriuria. We aimed to identify potential risk factors and microbiological profile for UTIs, the role of treatment of asymptomatic bacteriuria, and effects on graft outcomes of bacteriuria within the first year post-transplantation. METHODS: We performed a retrospective analysis of UTIs in KTRs transplanted between January 2012 and December 2013 in 2 transplantation centers...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29149917/treatment-outcome-with-a-short-multidrug-resistant-tuberculosis-regimen-in-nine-african-countries
#2
A Trébucq, V Schwoebel, Z Kashongwe, A Bakayoko, C Kuaban, J Noeske, S Hassane, B Souleymane, A Piubello, F Ciza, V Fikouma, M Gasana, M Ouedraogo, M Gninafon, A Van Deun, D M Cirillo, K G Koura, H L Rieder
<h2>SETTING:</h2>Nine countries in West and Central Africa.<h2>OBJECTIVE:</h2>To assess outcomes and adverse drug events of a standardised 9-month treatment regimen for multidrug-resistant tuberculosis (MDR-TB) among patients never previously treated with second-line drugs.<h2>DESIGN:</h2>Prospective observational study of MDR-TB patients treated with a standardised 9-month regimen including moxifloxacin, clofazimine, ethambutol (EMB) and pyrazinamide (PZA) throughout, supplemented by kanamycin, prothionamide and high-dose isoniazid during an intensive phase of a minimum of 4 to a maximum of 6 months...
November 17, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29144223/no-touch-disinfection-methods-to-decrease-multidrug-resistant-organism-infections-a-systematic-review-and-meta-analysis
#3
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/29137627/prevalence-of-current-patterns-and-predictive-trends-of-multidrug-resistant-salmonella-typhi-in-sudan
#4
Ayman A Elshayeb, Abdelazim A Ahmed, Marmar A El Siddig, Adil A El Hussien
BACKGROUND: Enteric fever has persistence of great impact in Sudanese public health especially during rainy season when the causative agent Salmonella enterica serovar Typhi possesses pan endemic patterns in most regions of Sudan - Khartoum. OBJECTIVES: The present study aims to assess the recent state of antibiotics susceptibility of Salmonella Typhi with special concern to multidrug resistance strains and predict the emergence of new resistant patterns and outbreaks...
November 14, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/29133186/a-novel-protocol-for-contact-isolation-for-multi-drug-resistant-organisms-mdros-in-children-on-inpatient-rehabilitation-and-effects-on-functional-outcomes-a-noninferiority-study
#5
Kelly L D Pham, Kristie F Bjornson, Marisa Osorio, Kathryn B Whitlock, Teresa L Massagli
BACKGROUND: The incidence of contact isolation for multidrug resistant organisms is increasing in acute hospitals and inpatient rehabilitation units alike. There is limited evidence on the effect of contact isolation on functional outcomes during inpatient rehabilitation. OBJECTIVE: To determine whether the use of a modified contact isolation protocol (MCI) resulted in non-inferior functional outcomes compared to children without contact isolation (NCI) on inpatient rehabilitation...
November 10, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29126393/genomic-characterisation-of-clinical-and-environmental-pseudomonas-putida-group-strains-and-determination-of-their-role-in-the-transfer-of-antimicrobial-resistance-genes-to-pseudomonas-aeruginosa
#6
Silke Peter, Philipp Oberhettinger, Leonard Schuele, Ariane Dinkelacker, Wichard Vogel, Daniela Dörfel, Daniela Bezdan, Stephan Ossowski, Matthias Marschal, Jan Liese, Matthias Willmann
BACKGROUND: Pseudomonas putida is a Gram-negative, non-fermenting bacterium frequently encountered in various environmental niches. P. putida rarely causes disease in humans, though serious infections and outbreaks have been reported from time to time. Some have suggested that P. putida functions as an exchange platform for antibiotic resistance genes (ARG), and thus represents a serious concern in the spread of ARGs to more pathogenic organisms within a hospital. Though poorly understood, the frequency of ARG exchange between P...
November 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29122787/effect-of-daily-antiseptic-body-wash-with-octenidine-on-nosocomial-primary-bacteraemia-and-nosocomial-multidrug-resistant-organisms-in-intensive-care-units-design-of-a-multicentre-cluster-randomised-double-blind-cross-over-study
#7
Anne Meißner, Dirk Hasenclever, Oana Brosteanu, Iris Freya Chaberny
INTRODUCTION: Nosocomial infections are serious complications that increase morbidity, mortality and costs and could potentially be avoidable. Antiseptic body wash is an approach to reduce dermal micro-organisms as potential pathogens on the skin. Large-scale trials with chlorhexidine as the antiseptic agent suggest a reduction of nosocomial infection rates. Octenidine is a promising alternative agent which could be more effective against Gram-negative organisms. We hypothesise that daily antiseptic body wash with octenidine reduces the risk of intensive care unit (ICU)-acquired primary bacteraemia and ICU-acquired multidrug-resistant organisms (MDRO) in a standard care setting...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29119205/secretome-profile-analysis-of-multidrug-resistant-monodrug-resistant-and-drug-susceptible-mycobacterium-tuberculosis
#8
Chanyanuch Putim, Narumon Phaonakrop, Janthima Jaresitthikunchai, Ratikorn Gamngoen, Khajornsak Tragoolpua, Sorasak Intorasoot, Usanee Anukool, Chayada Sitthidet Tharincharoen, Ponrut Phunpae, Chatchai Tayapiwatana, Watchara Kasinrerk, Sittiruk Roytrakul, Bordin Butr-Indr
The emergence of drug-resistant tuberculosis has generated great concern in the control of tuberculosis and HIV/TB patients have established severe complications that are difficult to treat. Although, the gold standard of drug-susceptibility testing is highly accurate and efficient, it is time-consuming. Diagnostic biomarkers are, therefore, necessary in discriminating between infection from drug-resistant and drug-susceptible strains. One strategy that aids to effectively control tuberculosis is understanding the function of secreting proteins that mycobacteria use to manipulate the host cellular defenses...
November 8, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/29116637/epidemiology-of-drug-resistant-tuberculosis
#9
Anna S Dean, Helen Cox, Matteo Zignol
As we move into the era of the Sustainable Development Goals (SDGs), the World Health Organization (WHO) has developed the End TB strategy 2016-2035 with a goal to end the global epidemic of tuberculosis (TB) by 2035. Achieving the targets laid out in the Strategy will require strengthening of the whole TB diagnosis and treatment cascade, including improved case detection, the establishment of universal drug susceptibility testing and rapid treatment initiation. An estimated 3.9% of new TB cases and 21% of previously treated cases had rifampicin-resistant (RR) or multidrug-resistant (MDR) TB in 2015...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29114022/hupb-is-a-bacterial-nucleoid-associated-protein-with-an-indispensable-eukaryotic-like-tail
#10
Joanna Hołówka, Damian Trojanowski, Katarzyna Ginda, Bartosz Wojtaś, Bartłomiej Gielniewski, Dagmara Jakimowicz, Jolanta Zakrzewska-Czerwińska
In bacteria, chromosomal DNA must be efficiently compacted to fit inside the small cell compartment while remaining available for the proteins involved in replication, segregation, and transcription. Among the nucleoid-associated proteins (NAPs) responsible for maintaining this highly organized and yet dynamic chromosome structure, the HU protein is one of the most conserved and highly abundant. HupB, a homologue of HU, was recently identified in mycobacteria. This intriguing mycobacterial NAP is composed of two domains: an N-terminal domain that resembles bacterial HU, and a long and distinctive C-terminal domain that contains several PAKK/KAAK motifs, which are characteristic of the H1/H5 family of eukaryotic histones...
November 7, 2017: MBio
https://www.readbyqxmd.com/read/29111434/empiric-treatment-of-lower-urinary-tract-infections-in-the-face-of-spreading-multi-drug-resistance-in-vitro-study-of-nitroxoline-effectiveness
#11
A Sobke, O Makarewicz, M Baier, C Bär, W Pfister, S G Gatermann, M W Pletz, C Forstner
The spread of antimicrobial resistance challenges the empiric treatment in urinary tract infections (UTI). Among others, nitrofurantoin is recommended for first line treatment, but acceptance among clinicians is limited due to chronic nitrofurantoin-induced lung toxicity and insufficient coverage of Enterobacteriaceae other than Escherichia coli. Nitroxoline seems to be an alternative to nitrofurantoin due to its favourable safety profile but data on its current in vitro susceptibility are sparse. In this study susceptibility to nitroxoline was tested against 3,012 urinary clinical isolates (including multidrug-resistant bacteria and Candida spp...
October 27, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29110544/containment-strategies-to-address-the-expanding-threat-of-multidrug-resistant-candida-auris
#12
Matthew W McCarthy, Thomas J Walsh
Candida auris is an emerging multidrug resistant human yeast pathogen associated with nosocomial transmission and high mortality. The organism can be a challenge to diagnose, may be even more difficult to treat, and continues to pose an expanding threat to patients. Areas covered: Our medical center and others in the surrounding area have seen a concerning rise in confirmed cases of C. auris infection and substantial resources have been dedicated to containment measures. We draw on our in vitro and in vivo work with this organism to examine the most effective ways to curb the current outbreak...
November 7, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29109580/fosfomycin-susceptibility-in-multidrug-resistant-enterobacteriaceae-species-and-vancomycin-resistant-enterococci-urinary-isolates
#13
Linda B Ou, Lynn Nadeau
Background: Broad-spectrum antibiotics are often used to treat urinary tract infections (UTIs) due to drug-resistant species of Enterobacteriaceae and Enterococcus (e.g., organisms producing extended-spectrum β-lactamase [ESBL] or AmpC β-lactamase, as well as vancomycin-resistant enterococci [VRE]). However, this type of therapy can promote selection of resistant organisms and may necessitate venous access. Fosfomycin is an orally administered, single-dose antibiotic for the treatment of uncomplicated UTI...
September 2017: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/29103614/membrane-microdomain-disassembly-inhibits-mrsa-antibiotic-resistance
#14
Esther García-Fernández, Gudrun Koch, Rabea M Wagner, Agnes Fekete, Stephanie T Stengel, Johannes Schneider, Benjamin Mielich-Süss, Sebastian Geibel, Sebastian M Markert, Christian Stigloher, Daniel Lopez
A number of bacterial cell processes are confined functional membrane microdomains (FMMs), structurally and functionally similar to lipid rafts of eukaryotic cells. How bacteria organize these intricate platforms and what their biological significance is remain important questions. Using the pathogen methicillin-resistant Staphylococcus aureus (MRSA), we show here that membrane-carotenoid interaction with the scaffold protein flotillin leads to FMM formation, which can be visualized using super-resolution array tomography...
October 26, 2017: Cell
https://www.readbyqxmd.com/read/29102989/universal-or-targeted-approach-to-prevent-the-transmission-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-intensive-care-units-a-cost-effectiveness-analysis
#15
Lidia Kardaś-Słoma, Jean-Christophe Lucet, Anne Perozziello, Camille Pelat, Gabriel Birgand, Etienne Ruppé, Pierre-Yves Boëlle, Antoine Andremont, Yazdan Yazdanpanah
OBJECTIVE: Several control strategies have been used to limit the transmission of multidrug-resistant organisms in hospitals. However, their implementation is expensive and effectiveness of interventions for the control of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE) spread is controversial. Here, we aim to assess the cost-effectiveness of hospital-based strategies to prevent ESBL-PE transmission and infections. DESIGN: Cost-effectiveness analysis based on dynamic, stochastic transmission model over a 1-year time horizon...
November 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/29102426/risk-factors-for-infection-with-multidrug-resistant-organisms-in-haryana-india
#16
Shilpa Kalluru, Shoshannah Eggers, Anna Barker, Daniel Shirley, Ajay K Sethi, Sharmila Sengupta, Kajal Yeptho, Nasia Safdar
BACKGROUND: The objective of this study was to investigate risk factors for multidrug-resistant organism (MDRO) infection within patients from a tertiary care hospital in Northern India. This case-control study examined MDRO infection risk factors, including diet, health history, and medical device use. We administered a diet questionnaire to collect data on usual diet and collected data on other risk factors from chart review. All participants were inpatients identified through hospital microbiology reports...
November 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29100690/diclofenac-exposure-alter-the-expression-of-pxr-and-its-downstream-target-genes-in-mosquito-fish-gambusia-affinis
#17
Shuang Bao, Xiangping Nie, Yang Liu, Chao Wang, Wenlong Li, Sijia Liu
As one of widely used drugs, Diclofenac (DCF) recently has been universally detected in aquatic environment and some negative effects derived from DCF exposure to mammals have been also reported. However, studies about its potential deleterious effects on non-target organisms like fish still require more investigation. In this study an ubiquitous small freshwater invader species in Southern of China, mosquito fish (Gambusia affinis), was employed as test organism. We firstly cloned the crucial partial sequences of nucleus transcriptional factor related genes pregnane X receptor (PXR) and its downstream genes, including P-glycoprotein (P-gp), cytochrome 3A (CYP3A), multidrug resistance protein 2 (MRP2), glutathione peroxidase (GPx) and thioredoxin reductase (TXR) in mosquito fish...
October 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29097104/characterization-of-microbial-community-composition-antimicrobial-resistance-and-biofilm-on-intensive-care-surfaces
#18
K Johani, D Abualsaud, D M Costa, H Hu, G Whiteley, A Deva, K Vickery
BACKGROUND: Organisms causing healthcare associated infections can be sourced from the inanimate environment around patients. Residing in a biofilm increases the chances of these organisms persisting in the environment. We aimed to characterise bacterial environmental contamination, genetically and physiologically, and relate this to general intensive care unit (ICU) cleanliness. METHODS: Cleanliness was determined by adenosine triphosphate (ATP) measurements of 95 high-touch objects...
October 30, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/29094001/in-vitro-synergy-of-antibiotic-combinations-against-planktonic-and-biofilm-pseudomonas-aeruginosa
#19
Hossein Ghorbani, Mohammad Yousef Memar, Fatemeh Yeganeh Sefidan, Mina Yekani, Reza Ghotaslou
Aim: The combination of different antimicrobial agents and subsequent synergetic effects may be beneficial in treatment of P. aeruginosa infections. The aim of the present study was to determine antibiotic susceptibility patterns of clinical isolates of P. aeruginosa and the effect of different antibiotic combinations against the multidrug-resistant (MDR), biofilm-producing bacterium P. aeruginosa. Methods: Thirty-six P. aeruginosa clinical isolates were evaluated. The disk diffusion method was performed to determine antibiotic susceptibility patterns according to the Clinical and Laboratory Standards Institute (CLSI) guidelines...
2017: GMS Hygiene and Infection Control
https://www.readbyqxmd.com/read/29093703/caprylic-and-polygalacturonic-acid-combinations-for-eradication-of-microbial-organisms-embedded-in-biofilm
#20
Joel Rosenblatt, Ruth A Reitzel, Nylev Vargas-Cruz, Anne-Marie Chaftari, Ray Hachem, Issam Raad
There is a need for non-antibiotic, antimicrobial compositions with low toxicity capable of broad-spectrum eradication of pathogenic biofilms in food preparation and healthcare settings. In this study we demonstrated complete biofilm eradication within 60 min with synergistic combinations of caprylic and polygalacturonic (PG) acids in an in vitro biofilm eradication model against representative hospital and foodborne infectious pathogen biofilms (methicillin-resistant Staphylococcus aureus, multidrug-resistant Pseudomonas aeruginosa, Candida albicans, Escherichia coli, and Salmonella enteritidis)...
2017: Frontiers in Microbiology
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