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Multidrug resistant organism

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https://www.readbyqxmd.com/read/28633701/management-of-child-mdr-tb-contacts-across-countries-in-the-who-european-region-a-survey-of-current-practice
#1
A Turkova, M Tebruegge, F Brinkmann, M Tsolia, F Mouchet, B Kampmann, J A Seddon
The World Health Organization European Region has one of the highest rates of multidrug-resistant tuberculosis (MDR-TB) in the world, resulting in many vulnerable children being exposed each year. Evidence for preventive therapy following MDR-TB exposure is limited and current guidance is conflicting. An internet-based survey was performed to determine clinical practice in this region. Seventy-two clinicians from 25 countries participated. Practices related to screening and decision-making were highly variable...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28633700/trends-in-drug-resistant-tuberculosis-after-the-implementation-of-the-dots-strategy-in-shenzhen-china-2000-2013
#2
L Zhu, Y-Z Yang, H-Y Guan, S-M Cheng, Y-Y Jin, W-G Tan, Q-F Wu, X-L Liu, M-G Zhao, Z-H Lu, Z-W Jia
SETTING: The DOTS strategy has been regarded as the most cost-effective way to stop the spread of tuberculosis (TB) since its launch by the World Health Organization. OBJECTIVE: To estimate the effects of DOTS by tracking long-term trends in multidrug-resistant TB (MDR-TB). DESIGN: A retrospective cohort study was conducted from 2000 to 2013 to analyse trends in resistance to anti-tuberculosis drugs and the effect of DOTS-based treatment in Shenzhen, China, using the χ2 test...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28632894/flavonoids-as-modulators-of-metabolic-enzymes-and-drug-transporters
#3
REVIEW
Anca Miron, Ana Clara Aprotosoaie, Adriana Trifan, Jianbo Xiao
Flavonoids, natural compounds found in plants and in plant-derived foods and beverages, have been extensively studied with regard to their capacity to modulate metabolic enzymes and drug transporters. In vitro, flavonoids predominantly inhibit the major phase I drug-metabolizing enzyme CYP450 3A4 and the enzymes responsible for the bioactivation of procarcinogens (CYP1 enzymes) and upregulate the enzymes involved in carcinogen detoxification (UDP-glucuronosyltransferases, glutathione S-transferases (GSTs))...
June 20, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28630687/emerging-antimicrobial-resistance-in-early-and-late-onset-neonatal-sepsis
#4
Lamiaa Mohsen, Nermin Ramy, Dalia Saied, Dina Akmal, Niveen Salama, Mona M Abdel Haleim, Hany Aly
BACKGROUND: Compared to developed countries, the use of antimicrobials in Egypt is less regulated and is available over the counter without the need for prescriptions. The impact of such policy on antimicrobial resistance has not been studied. This study aimed to determine the prevalence of early and late onset sepsis, and the frequency of antimicrobial resistance in a major referral neonatal intensive care unit (NICU). METHODS: The study included all neonates admitted to the NICU over a 12-month period...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28629407/antibacterial-activity-of-crude-extracts-of-some-south-african-medicinal-plants-against-multidrug-resistant-etiological-agents-of-diarrhoea
#5
Mary A Bisi-Johnson, Chikwelu L Obi, Babatunde B Samuel, Jacobus N Eloff, Anthony I Okoh
BACKGROUND: This study evaluated the antibacterial activity of some plants used in folklore medicine to treat diarrhoea in the Eastern Cape Province, South Africa. METHODS: The acetone extracts of Acacia mearnsii De Wild., Aloe arborescens Mill., A. striata Haw., Cyathula uncinulata (Schrad.) Schinz, Eucomis autumnalis (Mill.) Chitt., E. comosa (Houtt.) Wehrh., Hermbstaedtia odorata (Burch. ex Moq.) T.Cooke, Hydnora africana Thunb, Hypoxis latifolia Wight, Pelargonium sidoides DC, Psidium guajava L and Schizocarphus nervosus (Burch...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28616815/-prevention-of-nosocomial-infections-and-antibiotic-resistance-in-nursing-homes
#6
REVIEW
Markus Bleckwenn, Judith Hammerschmidt, Claudia Rösing, Manuela Klaschik
BACKGROUND: Nosocomial infections and multidrug-resistant organisms are an increasing problem in nursing homes worldwide; therefore, new approaches for infection control need to be developed. OBJECTIVES: This article gives an overview of infections in nursing homes, their medical treatment and previous measures for infection prevention. MATERIALS AND METHODS: The article is based on a selective literature search including the literature database PubMed...
June 14, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28612707/genetic-characteristic-of-class-1-integrons-in-proteus-mirabilis-isolates-from-urine-samples
#7
Chih-Ming Chen, Chih-Ho Lai, Hwa-Jene Wu, Lii-Tzu Wu
BACKGROUND: Proteus mirabilis is an opportunistic pathogen, commonly associated with complicated urinary tract infections (UTIs). UTIs caused by multidrug-resistant Proteus mirabilis have increased worldwide. Multidrug-resistance of Gram-negative enteric bacteria is usually associated with class 1 integrons. PURPOSES: To investigate the prevalence and characterize gene cassettes of class 1 integrons in multidrug-resistant P. mirabilis Methods: From 2006 to 2008, 314 P...
June 2017: BioMedicine
https://www.readbyqxmd.com/read/28612692/-fosfomycin-an-old-antibiotic-with-new-possibilities
#8
A C Dijkmans, S G Kuiper, J Burggraaf, J W Mouton, E B Wilms, D J Touw, J Stevens, C van Nieuwkoop, I M C Kamerling
- Fosfomycin is a broad-spectrum antibiotic agent used orally for uncomplicated cystitis. The intravenous form of administration has recently been authorised in the Netherlands.- Thanks to its broad spectrum and extensive tissue penetration, fosfomycin offers possibilities for the treatment of infections in different organs.- Infections with multidrug-resistant bacteria pose a significant threat to public health. Many of these multidrug-resistant bacteria are sensitive to fosfomycin, which means fosfomycin may be an option for the treatment of infections with multidrug-resistant bacteria...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28604925/association-of-adverse-events-with-antibiotic-use-in-hospitalized-patients
#9
Pranita D Tamma, Edina Avdic, David X Li, Kathryn Dzintars, Sara E Cosgrove
Importance: Estimates of the incidence of overall antibiotic-associated adverse drug events (ADEs) in hospitalized patients are generally unavailable. Objective: To describe the incidence of antibiotic-associated ADEs for adult inpatients receiving systemic antibiotic therapy. Design, Setting, and Participants: Retrospective cohort of adult inpatients admitted to general medicine wards at an academic medical center. Exposures: At least 24 hours of any parenteral or oral antibiotic therapy...
June 12, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28602703/clinical-predictors-and-outcomes-of-klebsiella-pneumoniae-bacteraemia-in-a-regional-hospital-in-hong-kong
#10
M Y Man, H P Shum, Y H Chan, K C Chan, W W Yan, R A Lee, S K P Lau
BACKGROUND: Klebsiella pneumoniae (KP) infection is associated with high morbidity and mortality. Multidrug resistance, especially extended spectrum beta-lactamase (ESBL) production, in KP is endemic worldwide. Our study aimed to evaluate the clinical characteristics and outcomes of patients with KP bacteraemia in critical care and general ward settings. METHODS: Adult patients admitted to a regional hospital in Hong Kong from 1 January 2009 to 30 June 2016 (7.5 years) with KP bacteraemia were included...
June 8, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28597291/multiple-drug-transporters-mediate-the-placental-transport-of-sulpiride
#11
Mengru Bai, Zhiyuan Ma, Dongli Sun, Caihong Zheng, Yayun Weng, Xi Yang, Ting Jiang, Huidi Jiang
Sulpiride is a typical antipsychotic drug for the treatment of schizophrenia, depression and other psychological disorders. It has been proven that a small amount of sulpiride could cross the human placenta using an ex vivo placental perfusion model. However, the placental transfer mechanism has not been elucidated. Considering the structure of sulpiride, we speculated that the transporters expressed in placenta might be involved in sulpiride uptake across the blood-placenta barrier. The aim of our study was to determine which transporters contributed to the placental transfer of sulpiride...
June 9, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28591163/strong-influence-of-livestock-environments-on-the-emergence-and-dissemination-of-distinct-multidrug-resistant-phenotypes-among-the-population-of-non-typhoidal-salmonella
#12
Ran An, Sahar Alshalchi, Peter Breimhurst, Jeannette Munoz-Aguayo, Christian Flores-Figueroa, Sinisa Vidovic
The problem of emergence and dissemination of multidrug resistance, especially among Gram-negative bacteria, has reached alarming levels. This increases the need to develop surveillance methods that more effectively and accurately provide information about the emergence and spread of multidrug-resistant organisms. In this study, using a well-defined population of non-typhoidal Salmonella (NTS) isolates associated with avian, bovine and porcine hosts, we found that the livestock environments had a specific (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28588693/effect-of-traditional-chinese-medicine-components-on-multidrug-resistance-in-tumors-mediated-by-p-glycoprotein
#13
Xi Xia, Susan P C Cole, Tiange Cai, Yu Cai
Multidrug resistance (MDR) is a major cause of chemotherapy failure. It occurs when an organism is resistant to one type of drug, but also develops resistance to other drugs with different structures and targets. There is a high incidence of MDR in cancer chemotherapy, therefore, finding an effective and non-toxic MDR reversal agent is an important goal, particularly for P-glycoprotein-mediated MDR in cancer. Improvements continue to be made to the status and understanding of traditional Chinese medicine (TCM), due to the advantages of low toxicity and relatively minor side effects...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28588548/thyroxine-t4-transfer-from-blood-to-cerebrospinal-fluid-in-sheep-isolated-perfused-choroid-plexus-role-of-multidrug-resistance-associated-proteins-and-organic-anion-transporting-polypeptides
#14
Kazem Zibara, Nabil El Zein, Mirna Sabra, Mohammad Hneino, Hayat Harati, Wael Mohamed, Firas H Kobeissy, Nouhad Kassem
Thyroxine (T4) enters the brain either directly across the blood-brain barrier (BBB) or indirectly via the choroid plexus (CP), which forms the blood-cerebrospinal fluid barrier (B-CSF-B). In this study, using isolated perfused CP of the sheep by single-circulation paired tracer and steady-state techniques, T4 transport mechanisms from blood into lateral ventricle CP has been characterized as the first step in the transfer across the B-CSF-B. After removal of sheep brain, the CPs were perfused with (125)I-T4 and (14)C-mannitol...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28587870/evaluation-of-the-in-vitro-antimicrobial-activity-of-selected-saudi-scorpion-venoms-tested-against-multidrug-resistant-micro-organisms
#15
Abdulrahman K Al-Asmari, Meshref Ali Alamri, Aqeel Salman Almasoudi, Rajamohamed Abbasmanthiri, Maysa Mahfoud
OBJECTIVES: Scorpion venoms are a rich source of bioactive peptides with promising clinical value that may lead to the discovery and development of new drugs. The present study was designed to evaluate the in vitro antimicrobial activities of the venoms extracted from three medically important Saudi scorpions (Androctonus crassicauda, Androctonus bicolor and Leiurus quinquestriatus). METHODS: Antimicrobial assays were performed using a microplate growth inhibition assay against 10 multidrug-resistant (MDR) micro-organisms (4 Gram-negative bacteria, 2 Gram-positive bacteria and 4 fungi and yeasts) at concentrations ranging from 0 to 20mg/mL of each venom...
June 3, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28587762/two-novel-roles-of-buffalo-milk-lactoperoxidase-antibiofilm-agent-and-immunomodulator-against-multidrug-resistant-salmonella-enterica-serovar-typhi-and-listeria-monocytogenes
#16
Likaa Mahdi, Hadeel Musafer, Luma Zwain, Istabreq Salman, Ikbal Al-Joofy, Khetam Rasool, Amal Mussa, Sana'a Al-Kakei, Rasha Al-Oqaili, Shaymaa Al-Alak, Amal Chaloob, Afrah Abdulkareem, Bydaa Hussein, Nada Mahdi, Nehad Taher
The increasing occurrence of multidrug resistant bacteria causing bacteremia infection, constitutes a major health problem, difficult-to-treat bacteremia due to its ability to form biofilm. Buffalo milk lactoperoxidase (BMLpo) is effective and safe to use as bacteriostatic agent. The MIC of BMLpo and amikacin were used to evaluate the antibiofilm activity against resistant L. monocytogenes and S. typhi. Prophylactic effects of BMLpo against L. monocytogenes and S. typhi bacteremia in vivo have been tested and ELISA test used to evaluate serum cytokines...
June 3, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28587160/advances-in-drug-discovery-of-new-antitubercular-multidrug-resistant-compounds
#17
REVIEW
Guilherme Felipe Dos Santos Fernandes, Chung Man Chin, Jean Leandro Dos Santos
Tuberculosis (TB), a disease caused mainly by the Mycobacterium tuberculosis (Mtb), is according to the World Health Organization (WHO) the infectious disease responsible for the highest number of deaths worldwide. The increased number of multidrug-resistant (MDR-TB) and extensively drug-resistant (XDR-TB) strains, and the ineffectiveness of the current treatment against latent tuberculosis are challenges to be overcome in the coming years. The scenario of drug discovery becomes alarming when it is considered that the number of new drugs does not increase proportionally to the emergence of drug resistance...
June 1, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28582721/sequential-enhanced-cleaning-eliminates-multidrug-resistant-organisms-in-general-intensive-care-unit-of-a-traditional-chinese-medicine-hospital
#18
Tieer Gan, Hong Xu, Jiannong Wu, Yuexian Zhu, Lanfang Wang, Hui Jin, Lingya Wei, Linhai Shen, Xiaoping Ni, Junmin Cao, Ying Zhang
PURPOSE: Effective cleaning of surfaces within hospital wards is necessary to reduce pathogen transmission. We investigated the roles of sequential enhanced cleaning by culturing pathogens from high-touch surfaces in a general intensive care unit. METHODS: A before-after controlled study was conducted during a 17-month period in the 25-bed general intensive care unit. The study comprised a baseline period (period 1) and 4 sequential tiered interventions: each patient zone was wiped with a single clean microfiber cloth daily (period 2), fluorescent markers and adenosine triphosphate assay were used to monitor and provide feedback on the effectiveness of cleaning (period 3), wiping a single patient zone with 3 clean microfiber cloths daily (period 4), and withdrawal of the feedback (period 5)...
April 26, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28582313/outbreaks-in-the-neonatal-icu-a-review-of-the-literature
#19
Julia Johnson, Caroline Quach
PURPOSE OF REVIEW: Neonates in the neonatal ICU (NICU) are uniquely vulnerable to colonization and infection with pathogens such as multidrug resistant Gram-negative bacteria, which in turn are associated with increased infection-related morbidities and higher case-fatality rates. We reviewed the English, French, and German language literature published between 2015 and 2017, for reports of NICU outbreaks. RECENT FINDINGS: A total of 39 outbreaks in NICUs were reported with Gram-negative bacteria (n = 21; 54%) causing most, and extended spectrum beta-lactamase-producing organisms being the most frequent resistance mechanism reported (n = 5)...
June 2, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28580804/burden-of-antimicrobial-resistance-in-an-era-of-decreasing-susceptibility
#20
Glenn S Tillotson, Stephen H Zinner
Antimicrobial resistance has become a global problem. Many pathogens are becoming multidrug-resistant with the attendant increased risk of failure of standard therapies and the under-recognised outcomes such as increased morbidity, mortality, length of hospitalization and costs of treatment. Areas covered: We undertook a review of the literature using standard search engines including PubMed, Google Scholar, Scopus and internet sources. Key search terms included antimicrobial resistance, antibiotic resistance, bacterial resistance, clinical outcomes, economic consequences, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Streptococcus pneumoniae and Staphylococcus aureus...
June 13, 2017: Expert Review of Anti-infective Therapy
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