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https://www.readbyqxmd.com/read/28815897/multidrug-resistant-enterobacteriaceae-pseudomonas-aeruginosa-and-vancomycin-resistant-enterococci-three-major-threats-to-hematopoietic-stem-cell-transplant-recipients
#1
REVIEW
Michael J Satlin, Thomas J Walsh
Hematopoietic stem cell transplant (HSCT) recipients are uniquely threatened by the emergence of multidrug-resistant (MDR) bacteria because these patients rely on immediate active antimicrobial therapy to combat bacterial infections. This review describes the epidemiology and treatment considerations for three challenging MDR bacterial pathogens in HSCT recipients: MDR Enterobacteriaceae, including extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resistant Enterobacteriaceae (CRE), Pseudomonas aeruginosa, and vancomycin-resistant Enterococcus (VRE)...
August 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28807835/the-role-of-antimicrobial-stewardship-programmes-in-children-a-systematic-review
#2
REVIEW
André Ricardo Araujo da Silva, Déborah Cardoso Albernaz de Almeida Dias, Amanda Fáris Marques, Clara Biscaia di Biase, Indah K Murni, Angela Dramowski, Mike Sharland, Johanes Huebner, Walter Zingg
The United Nations and the World Health Organization have designated antimicrobial resistance (AMR) as a major health priority and developed action plans to reduce AMR in all healthcare settings. Establishment of institutional antimicrobial stewardship programmes (ASPs) is advocated as a key intervention to reduce antibiotic consumption in hospitals and address high rates of multi-drug resistant (MDR) bacteria. We searched PUBMED and the Cochrane database of systematic reviews (1/2007-3/2017) to identify studies reporting about the effectiveness of ASPs in general paediatric wards and paediatric intensive care units (PICU), on reducing antibiotic consumption, on using broad spectrum/restricted antibiotics, and on antibiotic resistance and healthcare-associated infections (HAIs)...
August 11, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28804572/bacterial-infections-post-living-donor-liver-transplantation-in-egyptian-hepatitis-c-virus-cirrhotic-patients-a-single-center-study
#3
Mohamed F Montasser, Nadia A Abdelkader, Sara M Abdelhakam, Hany Dabbous, Iman F Montasser, Yasmine M Massoud, Waleed Abdelmoaty, Shereen A Saleh, Mohamed Bahaa, Hany Said, Mahmoud El-Meteini
AIM: To determine risk factors, causative organisms and antimicrobial resistance of bacterial infections following living-donor liver transplantation (LDLT) in cirrhotic patients. METHODS: This prospective study included 45 patients with hepatitis C virus-related end-stage liver disease who underwent LDLT at Ain Shams Center for Organ Transplant, Cairo, Egypt from January 2014 to November 2015. Patients were followed-up for the first 3 mo after LDLT for detection of bacterial infections...
July 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28803838/current-epidemiology-of-resistance-among-gram-negative-bacilli-in-pediatric-patients-in-turkey
#4
Kubra Aykac, Yasemin Ozsurekci, Sevgen Tanir Basaranoglu, Mustafa Senol Akin, Ali Bulent Cengiz, Asiye Bicakcigil, Banu Sancak, Ates Kara, Mehmet Ceyhan
BACKGROUND: The increasing incidence of infections caused by drug-resistant Gram-negative organisms has led to a reemergence in worldwide. This study attempted to investigate the changes in resistance of Gram-negative bacteria to different classes of antibiotics and treatment options in invasive infections. METHODS: We performed this study retrospectively between January 2012 and January 2017 in our tertiary care university hospital. A total of 302 patients with Gram-negative bacterial bacteremia and meningitis were defined...
August 10, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28803496/management-of-multidrug-resistant-pseudomonas-aeruginosa-in-the-intensive-care-unit-state-of-the-art
#5
Alberto Enrico Maraolo, Marco Cascella, Silvia Corcione, Arturo Cuomo, Salvatore Nappa, Guglielmo Borgia, Francesco Giuseppe De Rosa, Ivan Gentile
Pseudomonas aeruginosa (PA) is one of the most important causes of healthcare-related infections among Gram-negative bacteria. The best therapeutic approach is controversial, especially for multidrug-resistant (MDR) and extensively drug-resistant (XDR) strains as well as in the setting of most severe patients, such as in the intensive care unit (ICU). Areas covered: This article addresses several points. First, the main microbiological aspects of PA, focusing on its wide array of resistance mechanisms. Second, risk factors and the worse outcome linked to MDR-PA infection...
August 14, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28796905/aerobic-uterine-isolates-and-antimicrobial-susceptibility-in-mares-with-post-partum-metritis
#6
M S Ferrer, R Palomares
BACKGROUND: The potential for life-threatening complications of metritis requires prompt initiation of antimicrobial treatment, often before microbiological test results are reported. However, published studies to guide first-line antibiotic selection are scarce. OBJECTIVES: To report the most frequent bacterial species, antimicrobial susceptibility and prevalence of multidrug resistance (MDR) in cases of equine metritis. STUDY DESIGN: Retrospective analysis of uterine bacterial culture and antimicrobial susceptibility test (AST) results from mares with metritis...
August 10, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28780105/short-communication-extended-spectrum-cephalosporin-resistant-escherichia-coli-in-colostrum-from-new-brunswick-canada-dairy-cows-harbor-blacmy-2-and-blatem-resistance-genes
#7
B B Awosile, J T McClure, J Sanchez, J VanLeeuwen, J C Rodriguez-Lecompte, G Keefe, L C Heider
Dairy calves are colonized shortly after birth by multidrug resistant (MDR) bacteria, including Escherichia coli. The role of dairy colostrum fed to calves as a potential source of MDR bacteria resistance genes has not been investigated. This study determined the recovery rate of extended-spectrum cephalosporin-resistant (ESC-R) E. coli in colostrum from cows. The ESC-R E. coli isolates were further investigated to determine their phenotypic antimicrobial resistance pattern and the genes conferring ESC-R. Fresh colostrum was collected from 452 cows from 8 dairy herds in New Brunswick, Canada...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28778019/photoinactivation-of-multidrug-resistant-bacteria-by-monomeric-methylene-blue-conjugated-gold-nanoparticles
#8
Shakir Khan, Shahper N Khan, Ramovatar Meena, Ayaz M Dar, Ruchita Pal, Asad U Khan
Multidrug resistant (MDR) bacterial infections have become a severe threat to the community health due to a progressive rise in antibiotic resistance. Nanoparticle-based photodynamic therapy (PDT) is increasingly been adopted as a potential antimicrobial option, yet the cytotoxicity associated with PDT is quite unspecific. Herein, we show Concanavalin-A (ConA) directed dextran capped gold nanoparticles (GNPDEX-ConA) enhanced the efficacy and selectivity of methylene blue (MB) induced killing of multidrug resistant clinical isolates...
July 24, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28766888/prevalence-of-multi-drug-resistant-organisms-in-stool-of-paediatric-patients-with-acute-leukaemia-and-correlation-with-blood-culture-positivity-a-single-institution-experience
#9
Krupa Shankar, Venkatraman Radhakrishnan, Varalakskmi Vijayakumar, Jaikumar Ramamoorthy, Prasanth Ganesan, Manikandan Dhanushkodi, T S Ganesan, T G Sagar
BACKGROUND: Multi-drug resistant (MDR) bacteria are associated with increased morbidity and mortality in children with acute leukaemia. The present study was conducted to assess the prevalence of MDR bacteria in stool cultures of patients with acute leukaemia at presentation to the hospital. The results were then correlated with blood cultures when patients developed septicaemia. PATIENTS AND METHODS: The study involved analysis of case records of patients with newly diagnosed acute leukaemia less than 18 years of age treated at our centre from January 2015 to December 2015...
August 2, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28763899/-impact-of-antifungal-therapy-in-mechanically-ventilated-patients-with-candida-spp-colonization-in-lower-respiratory-tract
#10
G Zhang, B B Feng, Z H Lu, W Su, Y S Wu
Objective: To explore the impact of antifungal therapy in mechanically ventilated patients with Candida spp. colonization in lower respiratory tract. Methods: In this retrospective study, patients required mechanical ventilation with pulmonary Candida spp. colonization admitted into the intensive care unit (ICU) between July 2012 and June 2016 were included. The patients were divided into the treatment group and control group according to whether or not they received antifungal therapy. The isolation rate of multidrug-resistant (MDR) bacteria, the incidence of ventilator-associated pneumonia (VAP), duration of mechanical ventilation, length of ICU stay, total length of hospital stay, the 28-day mortality and the overall mortality were compared between the two groups...
July 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28760708/experimental-design-and-modeling-approach-to-evaluate-efficacy-of-%C3%AE-lactam-%C3%AE-lactamase-inhibitor-combinations
#11
REVIEW
Sherwin K B Sy, Hartmut Derendorf
BACKGROUND: A β-lactamase inhibitor (BLI) confers susceptibility of β-lactamase-expressing multidrug resistant (MDR) organisms to the partnering β-lactam (BL). AIMS: To discuss the experimental design and modeling strategies for 2-drug combination, using ceftazidime- and aztreonam-avibactam combinations, as examples. SOURCES: The information came from several publications on avibactam in vitro time-kill studies and corresponding pharmacodynamic models...
July 28, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28754148/nosocomial-bacterial-infections-and-their-antimicrobial-susceptibility-patterns-among-patients-in-ugandan-intensive-care-units-a-cross-sectional-study
#12
Peter Agaba, Janat Tumukunde, J V B Tindimwebwa, Arthur Kwizera
BACKGROUND: The intensive care unit (ICU) admits critically ill patients requiring advanced airway, respiratory, cardiac and renal support. Despite the highly-specialized interventions, the mortality and morbidity is still high due to a number of reasons including nosocomial infections, which are the most likely complications in hospitalized patients with the rates being highest among ICU patients. METHODS: In this cross-sectional study of 111 adult patients admitted to 2 of the ICUs in Uganda, we set out to describe the commonest bacterial infections, their antimicrobial susceptibility patterns and factors associated with development of a nosocomial infection...
July 28, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28750947/polymyxins-for-cns-infections-pharmacology-and-neurotoxicity
#13
REVIEW
Tony Velkov, Chongshan Dai, Giuseppe D Ciccotosto, Roberto Cappai, Daniel Hoyer, Jian Li
Central nervous system (CNS) infections caused by multi-drug resistant (MDR) Gram-negative bacteria present a major health and economic burden worldwide. Due to the nearly empty antibiotic discovery pipeline, polymyxins (i.e. polymyxin B and colistin) are used as the last-line therapy against Gram-negative 'superbugs' when all other treatment modalities have failed. The treatment of CNS infections due to multi-drug resistant Gram-negative bacteria is problematic and associated with high mortality rates. Colistin shows significant efficacy for the treatment of CNS infections caused by MDR Gram-negative bacteria that are resistant to all other antibiotics...
July 25, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28743314/multidrug-resistant-bacteria-are-sensitive-to-euphorbia-prostrata-and-six-others-cameroonian-medicinal-plants-extracts
#14
Igor K Voukeng, Veronique P Beng, Victor Kuete
BACKGROUND: Multidrug resistant (MDR) bacteria are responsible for therapeutic failure and there is an urgent need for novels compounds efficient on them. METHODS: Eleven methanol extracts from seven Cameroonian medicinal plants were tested for their antibacterial activity using broth micro-dilution method against 36 MDR bacterial strains including Escherichia coli, Enterobacter aerogenes, Enterobacter cloacae, Klebsiella pneumoniae, Providencia stuartii, Pseudomonas aeruginosa and Staphylococcus aureus...
July 25, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28743282/a-hospital-based-surveillance-of-metallo-beta-lactamase-producing-gram-negative-bacteria-in-nepal-by-imipenem-edta-disk-method
#15
Pratigya Thapa, Dinesh Bhandari, Dhiraj Shrestha, Hiramani Parajuli, Prakash Chaudhary, Jyoti Amatya, Ritu Amatya
BACKGROUND: A rising threat of the rapid spread of acquired metallo-beta-lactamases (MBLs) among major Gram-negative pathogens is a matter of public health concern worldwide. Hence, for a low income nation like Nepal, surveillance data on MBL producing clinical isolates via a cost effective technique is necessary to prevent their dissemination as well as formulation and regulation of antimicrobial stewardship policy. METHODS: The prospective study was conducted at Nepal Medical College, Kathmandu from May to October, 2014 to assess the prevalence of MBL production among ceftazidime-resistant Gram-negative rods (GNRs) isolates...
July 25, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28740354/nosocomial-spontaneous-bacterial-peritonitis-antibiotic-treatment-in-the-era-of-multi-drug-resistance-pathogens-a-systematic-review
#16
Marco Fiore, Alberto Enrico Maraolo, Ivan Gentile, Guglielmo Borgia, Sebastiano Leone, Pasquale Sansone, Maria Beatrice Passavanti, Caterina Aurilio, Maria Caterina Pace
AIM: To systematically review literature upon aetiology of nosocomial spontaneous bacterial peritonitis (N-SBP) given the rising importance of multidrug-resistant (MDR) bacteria. METHODS: A literature search was performed on MEDLINE and Google Scholar databases from 2000 to 15(th) of November 2016, using the following search strategy: "spontaneous" AND "peritonitis". RESULTS: The initial search through electronic databases retrieved 2556 records...
July 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28733718/antimicrobial-resistance-in-the-next-30%C3%A2-years-humankind-bugs-and-drugs-a-visionary-approach
#17
REVIEW
Matteo Bassetti, Garyphallia Poulakou, Etienne Ruppe, Emilio Bouza, Sebastian J Van Hal, Adrian Brink
PURPOSE: To describe the current standards of care and major recent advances with regard to antimicrobial resistance (AMR) and to give a prospective overview for the next 30 years in this field. METHODS: Review of medical literature and expert opinion were used in the development of this review. RESULTS: There is undoubtedly a large clinical and public health burden associated with AMR in ICU, but it is challenging to quantify the associated excess morbidity and mortality...
July 21, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28729208/detection-of-multidrug-resistant-mdr-bacteria-in-untreated-waste-water-disposals-of-hospitals-in-dhaka-city-bangladesh
#18
M A G Rabbani, Md Zakir Hossain Howlader, Yearul Kabir
BACKGROUND: Emergence of MDR bacteria is a global problem and a major burden for treatment of various infectious diseases. This study was performed to detect antibiotic resistant bacteria in untreated hospital waste. METHOD: Waste water samples were collected from sewerage disposal points of two renowned hospital of Dhaka city and a total of 59 Escherichia coli and 29 Klebsiella pneumonia isolates were isolated. Antibiotic susceptibility were measured by disc diffusion method...
July 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28720731/an-in-vitro-chicken-gut-model-demonstrates-transfer-of-a-multidrug-resistance-plasmid-from-salmonella-to-commensal-escherichia-coli
#19
Roderick M Card, Shaun A Cawthraw, Javier Nunez-Garcia, Richard J Ellis, Gemma Kay, Mark J Pallen, Martin J Woodward, Muna F Anjum
The chicken gastrointestinal tract is richly populated by commensal bacteria that fulfill various beneficial roles for the host, including helping to resist colonization by pathogens. It can also facilitate the conjugative transfer of multidrug resistance (MDR) plasmids between commensal and pathogenic bacteria which is a significant public and animal health concern as it may affect our ability to treat bacterial infections. We used an in vitro chemostat system to approximate the chicken cecal microbiota, simulate colonization by an MDR Salmonella pathogen, and examine the dynamics of transfer of its MDR plasmid harboring several genes, including the extended-spectrum beta-lactamase blaCTX-M1 We also evaluated the impact of cefotaxime administration on plasmid transfer and microbial diversity...
July 18, 2017: MBio
https://www.readbyqxmd.com/read/28719657/isolation-and-in-vitro-evaluation-of-bacteriophages-against-mdr-bacterial-isolates-from-septic-wound-infections
#20
Roja Rani Pallavali, Vijaya Lakshmi Degati, Dakshayani Lomada, Madhava C Reddy, Vijaya Raghava Prasad Durbaka
Multi-drug resistance has become a major problem for the treatment of pathogenic bacterial infections. The use of bacteriophages is an attractive approach to overcome the problem of drug resistance in several pathogens that cause fatal diseases. Our study aimed to isolate multi drug resistant bacteria from patients with septic wounds and then isolate and apply bacteriophages in vitro as alternative therapeutic agents. Pus samples were aseptically collected from Rajiv Gandhi Institute of Medical Science (RIMS), Kadapa, A...
2017: PloS One
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