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Multidrug resistant organism

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https://www.readbyqxmd.com/read/28445264/incremental-cost-of-nosocomial-bacteremia-according-to-the-focus-of-infection-and-antibiotic-sensitivity-of-the-causative-microorganism-in-a-university-hospital
#1
Marta Riu, Pietro Chiarello, Roser Terradas, Maria Sala, Enric Garcia-Alzorriz, Xavier Castells, Santiago Grau, Francesc Cots
To estimate the incremental cost of nosocomial bacteremia according to the causative focus and classified by the antibiotic sensitivity of the microorganism.Patients admitted to Hospital del Mar in Barcelona from 2005 to 2012 were included. We analyzed the total hospital costs of patients with nosocomial bacteremia caused by microorganisms with a high prevalence and, often, with multidrug-resistance. A control group was defined by selecting patients without bacteremia in the same diagnosis-related group.Our hospital has a cost accounting system (full-costing) that uses activity-based criteria to estimate per-patient costs...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28441421/high-prevalence-of-mrsa-and-esbl-among-asylum-seekers-in-the-netherlands
#2
Sofanne J Ravensbergen, Matthijs Berends, Ymkje Stienstra, Alewijn Ott
Migration is one of the risk factors for the spread of multidrug-resistant organisms (MDRO). The increasing influx of migrants challenges local health care systems. To provide evidence for both hospital hygiene measure and empirical antibiotic therapy, we analysed all cultures performed in asylum seekers between January 1st 2014 and December 31st 2015 for methicillin resistant Staphylococcus aureus (MRSA) and for multidrug-resistant Enterobacteriaceae (MDRE). We compared these with cultures from the Dutch patient population with risk factors for carriage of MDRO...
2017: PloS One
https://www.readbyqxmd.com/read/28439298/multi-drug-resistant-pathogenic-bacteria-in-the-gut-of-young-children-in-bangladesh
#3
Shirajum Monira, Syeda Antara Shabnam, Sk Imran Ali, Abdus Sadique, Fatema-Tuz Johura, Kazi Zillur Rahman, Nur Haque Alam, Haruo Watanabe, Munirul Alam
BACKGROUND: The gut of human harbors diverse commensal microbiota performing an array of beneficial role for the hosts. In the present study, the major commensal gut bacteria isolated by culturing methods from 15 children of moderate income families, aged between 10 and 24 months, were studied for their response to different antibiotics, and the molecular basis of drug resistance. RESULTS: Of 122 bacterial colonies primarily selected from Luria-Bertani agar, bacterial genera confirmed by analytical profile index (API) 20E(®) system included Escherichia as the predominant (52%) organism, followed by Enterobacter (16%), Pseudomonas (12%), Klebsiella (6%), Pantoea (6%), Vibrio (3%), and Citrobacter (3%); while Aeromonas and Raoultella were identified as the infrequently occurring genera...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28438781/transporter-mediated-disposition-clinical-pharmacokinetics-and-cholestatic-potential-of-glyburide-and-its-primary-active-metabolites
#4
Rui Li, Yi-An Bi, Anna Vildhede, Renato J Scialis, Sumathy Mathialagan, Xin Yang, Lisa D Marroquin, Jian Lin, Manthena V S Varma
Glyburide is widely used for the treatment of type 2 diabetes mellitus. We studied the mechanisms involved in the disposition of glyburide and its pharmacologically active hydroxy metabolites, M1 and M2b; and evaluated their clinical pharmacokinetics and the potential role in glyburide-induced cholestasis employing physiologically based pharmacokinetic (PBPK) modeling. Transport studies of parent and metabolites in human hepatocytes and transfected cell systems imply hepatic uptake mediated by organic anion transporting polypeptides...
April 24, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28437232/epidemiological-physiological-and-molecular-characteristics-of-a-brazilian-collection-of-carbapenem-resistant-acinetobacter-baumannii-and-pseudomonas-aeruginosa
#5
Vanessa Cordeiro Dias, Juliana Alves Resende, André Netto Bastos, Lucas Quinet De Andrade Bastos, Victor Quinet De Andrade Bastos, Ricardo Villela Bastos, Cláudio Galuppo Diniz, Vânia Lúcia Da Silva
Nonfermenting Gram-negative bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii are widespread in the environment and are increasingly associated with nosocomial infections, often associated with multidrug-resistance phenotypes. This study aimed to evaluate epidemiological, physiological, and molecular characteristics of carbapenem resistance in P. aeruginosa and A. baumannii. In total, 63 nonreplicated strains (44 A. baumannii and 19 P. aeruginosa) were isolated from hospitalized patients. Antimicrobial resistance patterns, biocide tolerance, oxidative stress, hemolytic activity, and biofilm formation were assessed...
February 24, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28432607/impact-of-the-medical-specialty-on-knowledge-regarding-multidrug-resistant-organisms-and-strategies-toward-antimicrobial-stewardship
#6
Steffen Lebentrau, Christian Gilfrich, Malte W Vetterlein, Harald Schumacher, Philipp J Spachmann, Sabine D Brookman-May, Hans M Fritsche, Martin Schostak, Florian M Wagenlehner, Maximilian Burger, Matthias May
PURPOSE: Evidence is scarce on subject-specific knowledge of multidrug-resistant organisms and rational use of antibiotics. We aimed at evaluating attitude, perception, and knowledge about multidrug-resistant organisms (MDRO) and antibiotic prescribing among urologists versus other medical specialties. METHODS: Within the MR2-study (Multiinstitutional Reconnaissance of practice with MultiResistant bacteria), a questionnaire was conducted targeting general surgeons, internists, gynecologists, and urologists in 18 German hospitals...
April 21, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28431846/implementation-of-daily-chlorhexidine-bathing-to-reduce-colonization-by-multidrug-resistant-organisms-in-a-critical-care-unit
#7
Jackson S Musuuza, Ajay K Sethi, Tonya J Roberts, Nasia Safdar
BACKGROUND: Colonized patients are a reservoir for transmission of multidrug-resistant organisms (MDROs). Not many studies have examined the effectiveness of daily chlorhexidine gluconate (CHG) bathing under routine care conditions. We present a descriptive analysis of the trends of MDRO colonization following implementation of daily CHG bathing under routine clinical conditions in an intensive care unit (ICU). METHODS: From May 2010-January 2011, we screened patients admitted to a 24-bed ICU for and methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), and fluoroquinolone-resistant gram-negative bacilli (FQRGNB)...
April 18, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28427828/a-combined-clostridium-perfringens-trueperella-pyogenes-inactivated-vaccine-induces-complete-immunoprotection-in-a-mouse-model
#8
Wenlong Zhang, Pu Wang, Bing Wang, Bo Ma, Junwei Wang
Clostridium perfringens (C. perfringens) and Trueperella pyogenes (T. pyogenes) are two bacterial pathogens frequently associated with wound infections and following lethal complications in livestock. However, prudent use of antimicrobial agents is highly required given the emergence of multidrug-resistant strains of both bacteria and need for food safety. In the current study, a combined vaccine, composed of inactivated C. perfringens and T. pyogenes, was prepared. The amount of formaldehyde being used to inactivate two bacteria was optimized to retain the immunogenicity of antigens...
April 17, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28424062/health-system-factors-influencing-management-of-multidrug-resistant-tuberculosis-in-four-european-union-countries-learning-from-country-experiences
#9
Gerard de Vries, Svetla Tsolova, Laura F Anderson, Agnes C Gebhard, Einar Heldal, Vahur Hollo, Laura Sánchez-Cambronero Cejudo, Daniela Schmid, Bert Schreuder, Tonka Varleva, Marieke J van der Werf
BACKGROUND: In the European Union and European Economic Area only 38% of multidrug-resistant tuberculosis patients notified in 2011 completed treatment successfully at 24 months' evaluation. Socio-economic factors and patient factors such as demographic characteristics, behaviour and attitudes are associated with treatment outcomes. Characteristics of healthcare systems also affect health outcomes. This study was conducted to identify and better understand the contribution of health system components to successful treatment of multidrug-resistant tuberculosis...
April 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28419240/from-nano-to-micro-using-nanotechnology-to-combat-microorganisms-and-their-multidrug-resistance
#10
Michal Natan, Ehud Banin
The spread of antibiotic resistance and increasing prevalence of biofilm-associated infections is driving demand for new means to treat bacterial infection. Nanotechnology provides an innovative platform for addressing this challenge, with potential to manage even infections involving multidrug-resistant (MDR) bacteria. The current review summarizes recent progress over the last 2 years in the field of antibacterial nanodrugs, and describes their unique properties, mode of action and activity against MDR bacteria and biofilms...
April 13, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28416956/mutations-in-streptomycin-resistance-genes-and-their-relationship-to-streptomycin-resistance-and-lineage-of-mycobacterium-tuberculosis-thai-isolates
#11
Yin Moe Hlaing, Pongsri Tongtawe, Pramuan Tapchaisri, Jeeraphong Thanongsaksrikul, Unchana Thawornwan, Buppa Archanachan, Potjanee Srimanote
BACKGROUND: Streptomycin (SM) is recommended by the World Health Organization (WHO) as a part of standard regimens for retreating multidrug-resistant tuberculosis (MDR-TB) cases. The incidence of MDR-TB in retreatment cases was 19% in Thailand. To date, information on SM resistance (SMR) gene mutations correlated to the SMR of Mycobacterium tuberculosis Thai isolates is limited. In this study, the mutations in rpsL, rrs, gidB, and whiB7 were investigated and their association to SMR and the lineage of M...
April 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28414026/targeting-oct2-and-p53-formononetin-prevents-cisplatin-induced-acute-kidney-injury
#12
Di Huang, Chuangyuan Wang, Yingjie Duan, Qiang Meng, Zhihao Liu, Xiaokui Huo, Huijun Sun, Xiaodong Ma, Kexin Liu
Nephrotoxicity is one of major side effects of cisplatin in chemotherapy. Therefore, there is an urgent medical need to develop drugs that may protect kidney from toxicity. In previous study, we found that it showed the protective effects of formononetin against apoptosis by upregulating Nrf2. In this study, we investigated the renoprotective effect of formononetin against cisplatin-induced AKI and tried to elucidate the possible mechanisms. The amelioration of renal function, histopathological changes, and apoptosis in tubular cells was observed after formononetin treatment...
April 13, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28413520/prognosis-of-patients-with-acinetobacter-baumannii-infection-in-the-intensive-care-unit-a-retrospective-analysis
#13
Dong Xiao, Lu Wang, Daquan Zhang, Dongming Xiang, Qi Liu, Xuezhong Xing
The present retrospective study aimed to investigate the prognostic factors for critically ill patients with an Acinetobacter baumannii (A. baumannii) infection. A total of 37 patients from the intensive care unit (ICU) were enrolled in the study. Data was collected from patients, including age, gender, ethnicity, A. baumannii infection status, concurrent infection status, prescribed antibiotics, Acute Physiology and Chronic Health Evaluation II (APACHE II) and sepsis-related organ failure assessment (SOFA) scores, procalcitonin level, site of infection, shock, sepsis and renal replacement therapy status...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412380/colonization-by-multidrug-resistant-organisms-in-long-term-care-facilities-in-italy-a-point-prevalence-study
#14
Maria Giufrè, Enrico Ricchizzi, Marisa Accogli, Fabrizio Barbanti, Monica Monaco, Fernanda Pimentel de Araujo, Claudio Farina, Paolo Fazii, Romano Mattei, Mario Sarti, Agostino Barozzi, Rossella Buttazzi, Marina Cosentino, Maria Nardone, Vincenzo Savini, Patrizia Spigaglia, Annalisa Pantosti, Maria Luisa Moro, Marina Cerquetti
OBJECTIVES: This study aimed to determine prevalence and risk factors for colonization by multidrug-resistant organisms (MDROs) in long-term care facility (LTCF) residents in Italy. Genotypes of MDRO isolates were investigated. METHODS: A point-prevalence study was conducted at 12 LTCFs located in 4 Italian cities (2 February-14 March 2015). Rectal swabs, faeces and nasal/auxiliary swabs were cultured for extended-spectrum β-lactamase (ESBL)- and/or carbapenemase-producing Enterobacteriaceae, Clostridium difficile and methicillin-resistant Staphylococcus aureus (MRSA), respectively...
April 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28403052/second-and-third-line-antiretroviral-therapy-for-children-and-adolescents-a-scoping-review
#15
REVIEW
Erica Lazarus, Simone Nicol, Lisa Frigati, Martina Penazzato, Mark F Cotton, Elizabeth Centeno-Tablante, Avy Violari, Liesl Nicol
BACKGROUND: The World Health Organization identified a need for evidence to inform revision of second- and third-line antiretroviral therapy (ART) options in children failing ART. We performed an in-depth scoping review of all available literature on second-line and subsequent ART regimens in children younger than 18 years. METHODS: We comprehensively searched, without language or date limitations, the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, the World Health Organization's International Clinical Trials Registry Platform and ClinicalTrials...
May 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28401467/response-of-extreme-haloarchaeon-haloarcula-argentinensis-rr10-to-simulated-microgravity-in-clinorotation
#16
Rebecca Thombre, Vinaya Shinde, Jyotsana Dixit, Sagar Jagtap, Pandit B Vidyasagar
Gravity is the fundamental force that may have operated during the evolution of life on Earth. It is thus important to understand as to what the effects of gravity are on cellular life. The studies related to effect of microgravity on cells may provide greater insights in understanding of how the physical force of gravity shaped life on Earth. The present study focuses on a unique group of organisms called the Haloarchaea, which are known for their extreme resistance to survive in stress-induced environments...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28397762/cellular-models-and-in-vitro-assays-for-the-screening-of-modulators-of-p-gp-mrp1-and-bcrp
#17
REVIEW
Mariline Gameiro, Renata Silva, Carolina Rocha-Pereira, Helena Carmo, Félix Carvalho, Maria de Lourdes Bastos, Fernando Remião
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters are highly expressed in tumor cells, as well as in organs involved in absorption and secretion processes, mediating the ATP-dependent efflux of compounds, both endogenous substances and xenobiotics, including drugs. Their expression and activity levels are modulated by the presence of inhibitors, inducers and/or activators. In vitro, ex vivo and in vivo studies with both known and newly synthesized P-glycoprotein (P-gp) inducers and/or activators have shown the usefulness of these transport mechanisms in reducing the systemic exposure and specific tissue access of potentially harmful compounds...
April 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28397616/analysis-of-multidrug-resistant-organism-susceptibility-to-chlorhexidine-under-usual-clinical-care
#18
Jackson S Musuuza, Ajay K Sethi, Tonya J Roberts, Nasia Safdar
Increasing use of daily chlorhexidine gluconate (CHG) bathing can potentially lead to selection for organisms with reduced susceptibility to CHG, limiting the utility of CHG. We examined reduced susceptibility to CHG of fluoroquinolone-resistant gram-negative bacilli and methicillin-resistant Staphylococcus. No evidence suggested reduced susceptibility to CHG. Infect Control Hosp Epidemiol 2017;1-3.
April 11, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28396656/prescription-patterns-for-tigecycline-in-severely-ill-patients-for-non-fda-approved-indications-in-a-developing-country-a-compromised-outcome
#19
Rima A Moghnieh, Dania I Abdallah, Ismail A Fawaz, Tarek Hamandi, Mohammad Kassem, Nabila El-Rajab, Tamima Jisr, Anas Mugharbil, Nabila Droubi, Samaa Al Tabah, Loubna Sinno, Fouad Ziade, Ziad Daoud, Ahmad Ibrahim
Introduction: With the rise in antibiotic resistance, tigecycline has been used frequently in off-label indications, based on its in-vitro activity against multidrug-resistant organisms. In this study, our aim was to assess its use in approved and unapproved indications. Materials and Methods: This is a retrospective chart review evaluating a 2-year experience of tigecycline use for > 72 h in 153 adult patients inside and outside critical care unit from January 2012 to December 2013 in a Lebanese tertiary-care hospital...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28393244/constitutive-androstane-receptor-activation-promotes-bilirubin-clearance-in-a-murine-model-of-alcoholic-liver-disease
#20
Xiuyan Wang, Liyu Zheng, Jinming Wu, Binbin Tang, Mengqin Zhang, Debin Zhu, Xianfan Lin
Increased plasma levels of bilirubin have been reported in rat models and patients with alcoholic liver disease (ALD). The constitutive androstane receptor (CAR) is a known xenobiotic receptor, which induces the detoxification and transport of bilirubin. In the present study, the bilirubin transport regulatory mechanisms, and the role of CAR activation in hepatic and extrahepatic bilirubin clearance were investigated in a murine model of ALD. The mice were fed a Lieber-DeCarli ethanol diet or an isocaloric control diet for 4 weeks, followed by the administration of CAR agonists, 1,4-bis-[2‑(3,5-dichlorpyridyloxy)]benzene (TCPOBOP) and phenobarbital (PB), and their vehicles to examine the effect of the pharmacological activation of CAR on serum levels of bilirubin and on the bilirubin clearance pathway in ALD by serological survey, western blotting and reverse transcription‑quantitative polymerase chain reaction...
April 4, 2017: Molecular Medicine Reports
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