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Multidrug-resistant Organism

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https://www.readbyqxmd.com/read/28811792/antimicrobial-susceptibility-patterns-of-clinical-isolates-of-pseudomonas-aeruginosa-isolated-from-patients-of-respiratory-tract-infections-in-a-tertiary-care-hospital-peshawar
#1
Abdul Samad, Tanveer Ahmed, Afaq Rahim, Abdul Khalil, Iftikhar Ali
OBJECTIVE: This study aims to determine the prevalence and susceptibility pattern of Pseudomonas aeruginosa and multidrug-resistant (MDR) isolates in patients suffering from respiratory tract infection. METHODS: A cross sectional study was conducted from January to December 2014 in Northwest General Hospital and Research Centre, Peshawar. A total of 615 sputum samples were collected from both in and out-patients. Sputum samples were collected as per standard procedure and were inoculated on Blood, MacConkey and Chocolate agar...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811074/management-of-multidrug-resistant-gram-negative-bacilli-infections-in-solid-organ-transplant-recipients-set-gesitra-seimc-reipi-recommendations
#2
REVIEW
J M Aguado, J T Silva, M Fernández-Ruiz, E Cordero, J Fortún, C Gudiol, L Martínez-Martínez, E Vidal, L Almenar, B Almirante, R Cantón, J Carratalá, J J Caston, E Cercenado, C Cervera, J M Cisneros, M G Crespo-Leiro, V Cuervas-Mons, J Elizalde-Fernández, M C Fariñas, J Gavaldà, M J Goyanes, B Gutiérrez-Gutiérrez, D Hernández, O Len, R López-Andujar, F López-Medrano, P Martín-Dávila, M Montejo, A Moreno, A Oliver, A Pascual, E Pérez-Nadales, A Román-Broto, R San-Juan, D Serón, A Solé-Jover, M Valerio, P Muñoz, J Torre-Cisneros
Solid organ transplant (SOT) recipients are especially at risk of developing infections by multidrug resistant (MDR) Gram-negative bacilli (GNB), as they are frequently exposed to antibiotics and the healthcare setting, and are regulary subject to invasive procedures. Nevertheless, no recommendations concerning prevention and treatment are available. A panel of experts revised the available evidence; this document summarizes their recommendations: (1) it is important to characterize the isolate's phenotypic and genotypic resistance profile; (2) overall, donor colonization should not constitute a contraindication to transplantation, although active infected kidney and lung grafts should be avoided; (3) recipient colonization is associated with an increased risk of infection, but is not a contraindication to transplantation; (4) different surgical prophylaxis regimens are not recommended for patients colonized with carbapenem-resistant GNB; (5) timely detection of carriers, contact isolation precautions, hand hygiene compliance and antibiotic control policies are important preventive measures; (6) there is not sufficient data to recommend intestinal decolonization; (7) colonized lung transplant recipients could benefit from prophylactic inhaled antibiotics, specially for Pseudomonas aeruginosa; (8) colonized SOT recipients should receive an empirical treatment which includes active antibiotics, and directed therapy should be adjusted according to susceptibility study results and the severity of the infection...
July 26, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28807836/development-and-evaluation-of-the-automated-risk-assessment-system-for-multidrug-resistant-organisms-autoras-mdro
#3
Eun-Young Hur, Yinji Jin, Taixian Jin, Sun-Mi Lee
BACKGROUND: A high proportion of infections acquired in hospitals are caused by multidrug-resistant organisms (MDROs). The priority in MDRO prevention is to detect high-risk patients and implement preventive intervention as soon as possible. AIM: To develop an automated risk assessment system for MDROs (autoRAS-MDRO) to screen for patients at MDRO infection risk and evaluate the predictive validity of the autoRAS-MDRO. METHODS: Data for 4,200 variables were extracted from the electronic health records (EHRs) for constructing the MDRO risk-scoring algorithm, which was based on a logistic regression model...
August 11, 2017: Journal of Hospital Infection
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/28803661/daily-bathing-strategies-and-cross-transmission-of-multidrug-resistant-organisms-impact-of-chlorhexidine-impregnated-wipes-in-a-multidrug-resistant-gram-negative-bacteria-endemic-intensive-care-unit
#5
Jesus Ruiz, Paula Ramirez, Esther Villarreal, Monica Gordon, Inmaculada Saez, Alfonso Rodríguez, María Jesús Castañeda, Álvaro Castellanos-Ortega
BACKGROUND: Health-care associated infections are a major cause of morbidity and mortality in critical care units. The aim of this study is to evaluate the effectiveness of chlorhexidine gluconate (CHG)-impregnated wipes in the daily bathing of patients in an intensive care unit (ICU) to prevent cross-transmission and colonization by multidrug-resistant organisms (MDROs) METHODS: Prospective cohort study with an intervention of 11 months. The intervention consisted of using CHG-impregnated wipes for the daily bathing of patients on mechanical ventilation or colonized by MDROs...
August 10, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28802182/inflammatory-markers-as-risk-factors-for-infection-with-multidrug-resistant-microbes-in-diabetic-foot-subjects
#6
Saba Noor, Abhijit Girish Borse, Maaz Ozair, Alok Raghav, Iqbal Parwez, Jamal Ahmad
BACKGROUND: Diabetic foot ulcers (DFUs), a dreadful microvascular complication of diabetes is responsible for substantial increase in morbidity and mortality. Infection, not a cause, but a consequence in DFUs that accounts for minor or major limb loss. The current study aimed to evaluate the microbial etiology of infected diabetic foot ulcers in northern tertiary care hospital, assessment of risk factors and role of inflammatory markers involved in colonization of multidrug-resistant organisms (MDROs) and their impact on the outcome...
May 3, 2017: Foot
https://www.readbyqxmd.com/read/28797758/infection-control-measures-and-prevalence-of-multidrug-resistant-organisms-in-non-hospital-care-settings-in-northeastern-germany-results-from-a-one-day-point-prevalence-study
#7
N O Hübner, K Dittmann, R Begunk, A Kramer
BACKGROUND: Much of the existing literature on the epidemiology of multidrug resistant bacterial organisms (MDROs) and infection control measures still concentrates on hospital care settings. AIM: We piloted a cross-sectional survey in long-term care facilities (LTCFs), rehabilitation clinics and home care services (HCSs) to assess the prevalence of MDROs, structural data on infection control and referral links between care settings in the state of Mecklenburg-Western Pomerania (Germany) in 2015...
August 7, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28796905/aerobic-uterine-isolates-and-antimicrobial-susceptibility-in-mares-with-post-partum-metritis
#8
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/28796322/ecotoxicological-properties-of-ketoprofen-and-the-s-enantiomer-dexketoprofen-bioassays-in-freshwater-model-species-and-biomarkers-in-fish-plhc-1-cell-line
#9
Elvira Mennillo, Augustine Arukwe, Gianfranca Monni, Valentina Meucci, Luigi Intorre, Carlo Pretti
The increased use of non-steroidal anti-inflammatory drugs (NSAIDs) has resulted in their ubiquitous presence in the environment. The toxicological properties of these two widely prescribed NSAIDs, namely - racemic ketoprofen (rac-KP) and its enantiomer S(+)-ketoprofen (dexketoprofen, DKP) were evaluated. Firstly, by acute and chronic toxicity tests using three representative model organisms (Vibrio fischeri, Pseudokirchneriella subcapitata and Ceriodaphnia dubia). Secondly, by evaluating the responses of biotransformation systems and multidrug resistance associated proteins (MRP1/MRP2) using the PLHC-1 fish hepatic cell-line...
August 10, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28793376/genotype-mtbdrplus-assay-for-screening-and-characterization-of-isoniazid-and-rifampicin-resistance-associated-mutations-in-multidrug-resistant-mycobacterium-tuberculosis-from-india
#10
Sunil Sethi, Rakesh Yadav, Shreya Singh, Rajiv Khaneja, Ashutosh Aggarwal, Priyanka Agarwal, Digambar Behera
Multidrug resistant tuberculosis (MDR-TB) is rising and World health organization has recommended the line probe assay (LPA) for screening. In this study we assess LPA at a tertiary care center from North India in 1758 samples from suspected MDR-TB cases. All smear positive and/or M.tuberculosis culture confirmed cases (n=1170) were subjected to GenoType-MTBDR assay. Amongst these the majority were retreatment cases, smear positive at diagnosis (n=637). MDR prevalence of 7.8% was observed with the highest cases reported amongst MDR contacts (33...
August 9, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28789974/beta-lactam-combination-therapy-for-treatment-of-staphylococcus-aureus-and-enterococcus-species-bacteremias-a-summary-and-appraisal-of-the-evidence
#11
REVIEW
Rachel Bartash, Priya Nori
Staphylococcal and Enterococcal bacteremias are prevalent in hospitalized, or recently instrumented patients, and associated with significant morbidity and mortality. They are often difficult to treat due to the pathogenicity of the organisms, poor response to antibiotics, and increasing development of multidrug resistance. Therefore, there has been increasing interest in combination therapy for treatment of these infections. This review aims to summarize and assess the evidence supporting combination beta-lactam therapy for both Staphylococcus aureus and Enterococcus species blood stream infections...
August 5, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28779834/inhaled-antibiotics-for-ventilator-associated-infections
#12
REVIEW
Lucy B Palmer
Multidrug-resistant organisms are creating a challenge for physicians treating the critically ill. As new antibiotics lag behind the emergence of worsening resistance, intensivists in countries with high rates of extensively drug-resistant bacteria are turning to inhaled antibiotics as adjunctive therapy. These drugs can provide high concentrations of drug in the lung that could not be achieved with intravenous antibiotics without significant systemic toxicity. This article summarizes current evidence describing the use of inhaled antibiotics for the treatment of bacterial ventilator-associated pneumonia and ventilator-associated tracheobronchitis...
September 2017: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/28777198/nosocomial-infections-during-extracorporeal-membrane-oxygenation-incidence-etiology-and-impacton-patients-outcome
#13
Giacomo Grasselli, Vittorio Scaravilli, Stefano Di Bella, Stefano Biffi, Michela Bombino, Nicolò Patroniti, Luca Bisi, Anna Maria Peri, Antonio Pesenti, Andrea Gori, Laura Alagna
OBJECTIVE: To study incidence, type, etiology, risk factors, and impact on outcome of nosocomial infections during extracorporeal membrane oxygenation. DESIGN: Retrospective analysis of prospectively collected data. SETTING: Italian tertiary referral center medical-surgical ICU. PATIENTS: One hundred five consecutive patients who were treated with extracorporeal membrane oxygenation from January 2010 to November 2015...
August 2, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28776519/challenges-beyond-elimination-in-leprosy
#14
REVIEW
Farah Naaz, Partha Sarathi Mohanty, Avi Kumar Bansal, Dilip Kumar, Umesh Datta Gupta
Every year >200,000 new leprosy cases are registered globally. This number has been fairly stable over the past 8 years. The World Health Organization has set a target to interrupt the transmission of leprosy globally by 2020. It is important, in terms of global action and research activities, to consider the eventuality of multidrug therapy (MDT) resistance developing. It is necessary to measure disease burden comprehensively, and contact-centered preventive interventions should be part of a global elimination strategy...
July 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28774698/the-global-problem-of-antifungal-resistance-prevalence-mechanisms-and-management
#15
REVIEW
David S Perlin, Riina Rautemaa-Richardson, Ana Alastruey-Izquierdo
All serious fungal infections need appropriate antifungal therapy for successful patient outcome. Only a few classes of antifungal drugs are available, so the emergence of resistance to single drug classes and now multidrug resistance greatly hampers patient management. Azole resistance among Candida and Aspergillus species is one of the greatest challenges to clinical success, followed by echinocandin and multidrug resistance among some Candida species, especially Candida glabrata. The spread of agriculturally derived azole-resistant Aspergillus fumigatus and emerging threats such as multidrug resistant Candida auris are also alarming...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28774148/synthesis-and-structural-characterization-of-silver-nanoparticles-stabilized-with-3-mercapto-1-propansulfonate-and-1-thioglucose-mixed-thiols-for-antibacterial-applications
#16
Francesco Porcaro, Laura Carlini, Andrea Ugolini, Daniela Visaggio, Paolo Visca, Ilaria Fratoddi, Iole Venditti, Carlo Meneghini, Laura Simonelli, Carlo Marini, Wojciech Olszewski, Nitya Ramanan, Igor Luisetto, Chiara Battocchio
The synthesis, characterization and assessment of the antibacterial properties of hydrophilic silver nanoparticles (AgNPs) were investigated with the aim to probe their suitability for innovative applications in the field of nanobiotechnology. First, silver nanoparticles were synthetized and functionalized with two capping agents, namely 3-mercapto-1-propansulfonate (3MPS) and 1-β-thio-d-glucose (TG). The investigation of the structural and electronic properties of the nano-systems was carried out by means of X-ray Photoelectron Spectroscopy (XPS) and X-ray Absorption Spectroscopy (XAS)...
December 20, 2016: Materials
https://www.readbyqxmd.com/read/28763677/genetic-basis-of-enzymatic-resistance-of-e-coli-to-aminoglycosides
#17
Dominika Ojdana, Anna Sieńko, Paweł Sacha, Piotr Majewski, Piotr Wieczorek, Anna Wieczorek, Elżbieta Tryniszewska
PURPOSE: Over the past years, an increase in resistance to aminoglycosides has been observed among Enterobacteriaceae rods. This resistance development reduces therapeutic options for infections caused by multidrug-resistance organisms. Because of the changing epidemiology of extended-spectrum β-lactamases (ESBLs) and resistance to aminoglycosides, we investigated the prevalence of the aac(3)-Ia, aac(6')-Ib, ant(4')-IIa, ant(2")-Ia, and aph(3")-Ib genes encoding aminoglycoside-modifying enzymes (AMEs) in ESBL-producing Escherichia coli as well as ESBL-non-producing isolates...
July 29, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28762368/antibiotic-susceptibility-profiles-of-non-fermenting-gram-negative-bacilli-at-a-tertiary-care-hospital-in-patiala-india
#18
Udhayvir Singh Grewal, Rupinder Bakshi, Geeta Walia, Parth Rajeshbhai Shah
BACKGROUND: Non-fermenting Gram-negative bacilli (NFGNB) have emerged as a major cause of healthcare-associated infections and are innately resistant to many antibiotics. AIM: The aim of this study was to determine the prevalence of NFGNB isolated from various clinical specimens and evaluate their antimicrobial susceptibility profiles. MATERIALS AND METHODS: This retrospective study was done at our Department of Microbiology from December 2015 to December 2016...
April 2017: Nigerian Postgraduate 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
#19
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/28758635/cluster-distinguishing-genotypic-and-phenotypic-diversity-of-carbapenem-resistant-gram-negative-bacteria-in-solid-organ-transplantation-patients-a-comparative-study
#20
Theodoros Karampatakis, Anastasia Geladari, Lida Politi, Charalampos Antachopoulos, Elias Iosifidis, Olga Tsiatsiou, Aggeliki Karyoti, Vasileios Papanikolaou, Athanassios Tsakris, Emmanuel Roilides
PURPOSE: Solid-organ transplant recipients may display high rates of colonization and/or infection by multidrug-resistant bacteria. We analysed and compared the phenotypic and genotypic diversity of carbapenem-resistant (CR) strains of Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii isolated from patients in the Solid Organ Transplantation department of our hospital. METHODOLOGY: Between March 2012 and August 2013, 56 CR strains from various biological fluids underwent antimicrobial susceptibility testing with VITEK 2, molecular analysis by PCR amplification and genotypic analysis with pulsed-field gel electrophoresis (PFGE)...
July 31, 2017: Journal of Medical Microbiology
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