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Antimicrobial surveillance

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https://www.readbyqxmd.com/read/28107412/nasal-carriage-of-staphylococcus-aureus-among-children-in-the-ashanti-region-of-ghana
#1
Daniel Eibach, Michael Nagel, Benedikt Hogan, Clinton Azuure, Ralf Krumkamp, Denise Dekker, Mike Gajdiss, Melanie Brunke, Nimako Sarpong, Ellis Owusu-Dabo, Jürgen May
BACKGROUND: Nasal carriage with Staphylococcus aureus is a common risk factor for invasive infections, indicating the necessity to monitor prevalent strains, particularly in the vulnerable paediatric population. This surveillance study aims to identify carriage rates, subtypes, antimicrobial susceptibilities and virulence markers of nasal S. aureus isolates collected from children living in the Ashanti region of Ghana. METHODS: Nasal swabs were obtained from children < 15 years of age on admission to the Agogo Presbyterian Hospital between April 2014 and January 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28106876/inhibition-of-innate-immune-cytosolic-surveillance-by-an-m-tuberculosis-phosphodiesterase
#2
Ruchi Jain Dey, Bappaditya Dey, Yue Zheng, Laurene S Cheung, Jie Zhou, David Sayre, Pankaj Kumar, Haidan Guo, Gyanu Lamichhane, Herman O Sintim, William R Bishai
Mycobacterium tuberculosis infection leads to cytosolic release of the bacterial cyclic dinucleotide (CDN) c-di-AMP and a host-generated CDN, cGAMP, both of which trigger type I interferon (IFN) expression in a STING-dependent manner. Here we report that M. tuberculosis has developed a mechanism to inhibit STING activation and the type I IFN response via the bacterial phosphodiesterase (PDE) CdnP, which mediates hydrolysis of both bacterial-derived c-di-AMP and host-derived cGAMP. Mutation of cdnP attenuates M...
February 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28104504/diversity-of-new-delhi-metallo-beta-lactamase-producing-bacteria-in-china
#3
Xiaofeng Hu, Xuebing Xu, Xu Wang, Wencheng Xue, Haijian Zhou, Ling Zhang, Qiuxia Ma, Rongtao Zhao, Guozheng Li, Peng Li, Chuanfu Zhang, Yun Shi, Jian Wang, Leili Jia, Rongzhang Hao, Ligui Wang, Dayang Zou, Xuelin Liu, Shaofu Qiu, Hongbin Song, Yansong Sun
OBJECTIVES: The prevalence and dissemination of diverse NDM-producing bacteria in China was investigated. METHODS: We collected 1,162 isolates from 8 cities during December 2013∼May 2015 in China. The NDM-positive strains as well as the NDM genotypes in these sample were detected via Vitek 2 compact system (bioMérieux, France), 16S rRNA gene sequencing, PCR and an S1- pulsed-field gel electrophoresis assay and Southern blot hybridization. The horizontal-transfer capability of the blaNDM gene was assessed by filter mating by using a standard E...
January 16, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28103958/implementation-of-infection-prevention-and-antimicrobial-stewardship-in-cardiac-electrophysiology-laboratories-results-from-the-shea-research-network
#4
Preeti Mehrotra, Kalpana Gupta, Judith Strymish, Daniel B Kramer, Anne Lambert-Kerzner, P Michael Ho, Westyn Branch-Elliman
Infection prevention in electrophysiology (EP) laboratories is poorly characterized; thus, we conducted a cross-sectional survey using the SHEA Research Network. We found limited uptake of basic interventions, such as surveillance and appropriate peri-procedural antimicrobial use. Further study is needed to identify ways to improve infection prevention in this setting.
January 20, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28100443/surveillance-of-antimicrobial-use-in-dutch-long-term-care-facilities
#5
Monique Roukens, Linda Verhoef, Ellen Stobberingh, Stephanie Natsch
OBJECTIVES: Residents living in a long-term care facility (LTCF) are more susceptible to infections. Treatment with antimicrobials is sometimes necessary; however, antibiotic use is considered one of the most important drivers of the development of antibiotic resistance. Surveillance data on antibiotic use in these LTCFs are necessary to get more insight into these patterns. The objective of this study was to describe antibiotic use in LTCFs in the Netherlands. METHODS: One hundred and seventy-seven LTCFs in the Netherlands were contacted and asked to participate in a study concerning antibiotic resistance and antibiotic use...
January 18, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28100229/surveillance-of-life-long-antibiotics-a-review-of-antibiotic-prescribing-practices-in-an-australian-healthcare-network
#6
Jillian S Y Lau, Christopher Kiss, Erika Roberts, Kylie Horne, Tony M Korman, Ian Woolley
BACKGROUND: The rise of antimicrobial use in the twentieth century has significantly reduced morbidity due to infection, however it has also brought with it the rise of increasing resistance. Some patients are on prolonged, if not "life-long" course of antibiotics. The reasons for this are varied, and include non-infectious indications. We aimed to study the characteristics of this potential source of antibiotic resistance, by exploring the antibiotic dispensing practices and describing the population of patients on long-term antibiotic therapy...
January 18, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28097718/a-prospective-study-of-the-use-of-antibiotics-in-the-emergency-department-of-a-chinese-university-hospital
#7
Linan Zeng, Die Hu, Imti Choonara, Dezhi Mu, Lingli Zhang, Xihong Li, Zuojie Zhang, Zhiqiang Hu, Shuyan Quan
BACKGROUND: Antibiotics are one of the most widely misused group of medicines. The aim of this study was to investigate the use of antibiotics in one of the paediatric emergency departments in China. METHODS: We performed a prospective, cross-sectional study of antibiotic use in the paediatric emergency room of West China Second University Hospital. A total of 500 consecutive patients from March 25 to April 3 2013 were included. Clinical details of the patients were also collected in order to analyse antibiotic use...
February 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28096975/a-prospective-survey-of-pseudomonas-aeruginosa-colonization-and-infection-in-the-intensive-care-unit
#8
Regev Cohen, Frida Babushkin, Shoshana Cohen, Marina Afraimov, Maurice Shapiro, Martina Uda, Efrat Khabra, Amos Adler, Ronen Ben Ami, Svetlana Paikin
BACKGROUND: Pseudomonas aeruginosa (PA) surveillance may improve empiric antimicrobial therapy, since colonizing strains frequently cause infections. This colonization may be 'endogenous' or 'exogenous', and the source determines infection control measures. We prospectively investigated the sources of PA, the clinical impact of PA colonization upon admission and the dynamics of colonization at different body sites throughout the intensive care unit stay. METHODS: Intensive care patients were screened on admission and weekly from the pharynx, endotracheal aspirate, rectum and urine...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28080212/heterogeneity-of-carbapenem-resistance-mechanisms-among-gram-negative-pathogens-in-lebanon-results-of-the-first-cross-sectional-countrywide-study
#9
Dalal Hammoudi Halat, Carole Ayoub Moubareck, Dolla Karam Sarkis
Carbapenem-resistant Gram-negative pathogens have progressively disseminated to different countries worldwide, presenting a serious public health concern. The aims of this study were to determine the prevalence of carbapenem resistance in Gram-negative bacteria in Lebanon, to elucidate molecular mechanisms, and to identify genetic relatedness of incriminated strains. Carbapenem nonsusceptible Enterobacteriaceae, Acinetobacter baumannii, and Pseudomonas were collected from 11 Lebanese hospitals in 2012. Antimicrobial susceptibility was assessed with phenotypic tests, genes encoding carbapenemases were screened via PCR-sequencing, and genetic relatedness was examined by PGFE and ERIC-PCR...
January 12, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28077671/impact-of-long-term-care-facility-residence-on-the-antibiotic-resistance-of-urinary-tract-escherichia-coli-and-klebsiella
#10
Alicia Rosello, Andrew C Hayward, Susan Hopkins, Carolyne Horner, Dean Ironmonger, Peter M Hawkey, Sarah R Deeny
BACKGROUND: Long-term care facilities (LTCFs) are thought to be important reservoirs of antimicrobial-resistant (AMR) bacteria; however, there is no routine surveillance of resistance in LTCF residents, or large population-based studies comparing AMR in LTCFs with the community, so the relative burden of AMR in LTCFs remains unknown. OBJECTIVES: To compare the frequency of antibiotic resistance of urinary tract bacteria from residents of LTCFs for the elderly and adults aged 70 years or older living in the community...
January 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28075013/prevalence-geographic-distribution-and-phenotypic-differences-of-piscirickettsia-salmonis-em-90-like-isolates
#11
J Saavedra, N Hernandez, A Osses, A Castillo, A Cancino, H Grothusen, E Navas, P Henriquez, H Bohle, F Bustamante, P Bustos, M Mancilla
Early reports accounted for two main genotypes of Piscirickettsia salmonis, a fish pathogen and causative agent of piscirickettsiosis, placing the single isolate EM-90 apart from the prototypic LF-89 and related isolates. In this study, we provide evidence that, contrary to what has been supposed, the EM-90-like isolates are highly prevalent and disseminated across Chilean marine farms. Molecular analysis of 507 P. salmonis field isolates derived from main rearing areas, diverse hosts and collected over 6 years, revealed that nearly 50% of the entire collection were indeed typed as EM-90-like...
January 11, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28072403/antimicrobial-resistant-sexually-transmitted-infections-gonorrhoea-and-mycoplasma-genitalium
#12
REVIEW
Magnus Unemo, Jorgen S Jensen
The emergence of antimicrobial resistance (AMR) is a major concern worldwide and already compromises treatment effectiveness and control of several bacterial sexually transmitted infections (STIs). Neisseria gonorrhoeae and Mycoplasma genitalium are evolving into so-called superbugs that can become resistant, both in vitro and clinically, to essentially all antimicrobials available for treatment, causing exceedingly difficult-to-treat or untreatable STIs and threatening global public health. Widespread AMR in these bacteria is likely to persist and even worsen in the future, owing to the high number of infections, widespread and uncontrolled use of antimicrobials, limited surveillance of AMR and clinical failures, as well as the extraordinary capacity of these bacteria to develop AMR...
January 10, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28066960/consensus-on-the-clinical-management-screening-to-treat-and-surveillance-of-helicobacter-pylori-infection-to-improve-gastric-cancer-control-on-a-nationwide-scale
#13
Bor-Shyang Sheu, Ming-Shiang Wu, Cheng-Tang Chiu, Jing-Chuan Lo, Deng-Chyang Wu, Jyh-Ming Liou, Chun-Ying Wu, Hsiu-Chi Cheng, Yi-Chia Lee, Ping-I Hsu, Chun-Chao Chang, Wei-Lun Chang, Jaw-Town Lin
BACKGROUND: Previous international consensus statements provided general policies for the management of Helicobacter pylori infection. However, there are geographic differences in the prevalence and antimicrobial resistance of H. pylori, and in the availability of medications and endoscopy. Thus, nationwide or regional consensus statements are needed to improve control of H. pylori infection and gastric cancer. MATERIALS AND METHODS: This consensus statement for management of H...
January 8, 2017: Helicobacter
https://www.readbyqxmd.com/read/28056839/molecular-epidemiology-of-bla-oxa-23-producing-carbapenem-resistant-acinetobacter-baumannii-in-a-single-institution-over-a-65-month-period-in-north-china
#14
Nian-Zhi Ning, Xiong Liu, Chun-Mei Bao, Su-Ming Chen, En-Bo Cui, Ju-Ling Zhang, Jie Huang, Fang-Hong Chen, Tao Li, Fen Qu, Hui Wang
BACKGROUND: Carbapenem-resistant Acinetobacter baumannii poses a significant threat to hospitalized patients, as few therapeutic options remain. Thus, we investigated the molecular epidemiology and mechanism of resistance of carbapenem-resistant A.baumannii isolates in Beijing, China. METHODS: Carbapenem-resistant A.baumannii isolates (n = 101) obtained between June 2009 and November 2014 were used. Multilocus sequence typing (MLST) and PCR assays for class C and D β-lactamase were performed on all isolates...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28053916/urinary-tract-infections-a-retrospective-descriptive-study-of-causative-organisms-and-antimicrobial-pattern-of-samples-received-for-culture-from-a-tertiary-care-setting
#15
Bhuvanesh Sukhlal Kalal, Savitha Nagaraj
INTRODUCTION: Urinary tract infections (UTI) are common infections encountered by physicians either on an outpatient or inpatient basis. These infections have taken center stage due to increasing resistance being reported for commonly used antibiotics. Understanding the distribution and antibiotic susceptibility patterns of uropathogens would facilitate appropriate therapy. METHODS: A retrospective analysis of the culture isolates obtained from urine samples received at the Department of Microbiology, St...
December 2016: Germs
https://www.readbyqxmd.com/read/28051952/antimicrobial-susceptibility-of-gram-negative-eskape-pathogens-isolated-from-hospitalized-patients-with-intra-abdominal-and-urinary-tract-infections-in-asia-pacific-countries-smart-2013-2015
#16
James A Karlowsky, Daryl J Hoban, Meredith A Hackel, Sibylle Lob, Daniel F Sahm
Gram-negative ESKAPE pathogens (Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.) are responsible for increases in antimicrobial-resistant infections worldwide. We determined in vitro susceptibilities to eight parenteral antimicrobial agents using CLSI broth microdilution methodology for gram-negative ESKAPE pathogens isolated from hospitalized patients with intra-abdominal infections (IAI) (n = 3,052) and urinary tract infections (UTI) (n = 1,088) in 11 countries/regions from 2013-2015...
January 3, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28045926/survival-and-intra-nuclear-trafficking-of-burkholderia-pseudomallei-strategies-of-evasion-from-immune-surveillance
#17
Jamuna Vadivelu, Kumutha Malar Vellasamy, Jaikumar Thimma, Vanitha Mariappan, Wen-Tyng Kang, Leang-Chung Choh, Esaki M Shankar, Kum Thong Wong
BACKGROUND: During infection, successful bacterial clearance is achieved via the host immune system acting in conjunction with appropriate antibiotic therapy. However, it still remains a tip of the iceberg as to where persistent pathogens namely, Burkholderia pseudomallei (B. pseudomallei) reside/hide to escape from host immune sensors and antimicrobial pressure. METHODS: We used transmission electron microscopy (TEM) to investigate post-mortem tissue sections of patients with clinical melioidosis to identify the localisation of a recently identified gut microbiome, B...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28043505/collaboration-between-tuberculosis-control-programs-and-the-action-plan-for-tackling-antimicrobial-resistance-an-opportunity-in-the-eastern-mediterranean-region
#18
Rumina Hasan, Sadia Shakoor, Samiha Baghdadi, Alireza Mafi, Mohammad Aziz
OBJECTIVE/BACKGROUND: Over-the-counter availability of antibiotics together with poor access to diagnostics is recognised to promote antimicrobial resistance (AMR) including generation of drug-resistant tuberculosis (DR-TB). In accordance with the End TB Strategy target of ending TB epidemic by 2030, efforts to control DR-TB are ongoing in Eastern Mediterranean Region (EMR) countries, a number of which have well-established facilities for diagnostics, disease care and prevention as well as surveillance...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28042400/incidence-and-etiology-of-surgical-site-infections-in-appendectomies-a-3-year-prospective-study
#19
Humberto Guanche Garcell, Ariadna Villanueva Arias, Cristobal A Pancorbo Sandoval, Elias Guilarte García, Moraima E Valle Gamboa, Adam Bode Sado, Ramón N Alfonso Serrano
OBJECTIVES: Surgical site infections (SSIs) constitute a threat, especially in complicated appendicitis, and are commonly due to gram-negative organisms. We sought to describe the incidence of SSIs in appendectomies performed during a three-year period (January 2013 to December 2015) in a community hospital in Qatar, and compare this with external benchmarks. METHODS: We conducted a longitudinal study at The Cuban Hospital, Qatar. We used the standardized surveillance criteria to define SSI developed by the Centers for Disease Control...
January 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28036312/antimicrobial-resistance-of-selected-invasive-bacteria-in-a-tertiary-care-center-results-of-a-prospective-surveillance-study
#20
Olivera Djuric, Snezana Jovanovic, Branka Stosovic, Tanja Tosic, Milica Jovanovic, Ljiljana Markovic-Denic
INTRODUCTION: We aimed to report the distribution and resistance patterns of eight invasive clinically relevant bacteria surveyed in the Clinical Center of Serbia (CCS) in Belgrade. METHODOLOGY: A total of 477 clinical blood stream isolates of Staphylococcus aureus, Streptococcus pneumoniae, Enterococcus faecium, Enterococcus faecalis, Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa, and Acinetobacter spp. were collected in the period from January to December 2013...
December 30, 2016: Journal of Infection in Developing Countries
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