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Antibiotics supply

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https://www.readbyqxmd.com/read/28429519/the-incidence-and-costs-of-bacteremia-due-to-lack-of-gentamicin-lock-solutions-for-dialysis-catheters
#1
Tze Liang Goh, Jason Wei, David Semple, John Collins
The use of antibiotic lock solutions as prophylaxis for catheter-associated blood stream infection (CRBSI) has been shown to be effective in previous randomized controlled trials. However, the cost-effectiveness of this approach had not been studied. In 2012, the routine gentamicin-heparin lock solution used in Auckland City Hospital was withdrawn from the market, leading to a change to heparin-only lock. This was then replaced with gentamicin-citrate lock in 2014. This situation allowed review of the CRBSI rate and financial impact of different catheter lock solutions...
June 2017: Nephrology
https://www.readbyqxmd.com/read/28401447/infection-control-in-limited-resources-countries-challenges-and-priorities
#2
Diana Vilar-Compte, Adrián Camacho-Ortiz, Samuel Ponce-de-León
PURPOSE OF REVIEW: The purpose of this article is to review the current status of health care-related infections (HCRI) in low- and middle-income countries (LMIC). RECENT FINDINGS: HCRI in LMIC are being recognized as an important health problem globally. Despite important efforts, complex medical and non-medical problems prevail. The HCRI burden in LMIC is bigger than in developed countries, with prevalence between 5.7 and 19.1%. The impact on patients, their families, and the hospital systems is high, but has been largely underestimated...
May 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28399047/assessing-quality-and-safety-in-pediatric-supracondylar-humerus-fracture-care
#3
Christopher A Iobst, Matthew Stillwagon, Deidre Ryan, Eric Shirley, Steven L Frick
BACKGROUND: Recently, there has been an emphasis on improving quality, safety, and value in the delivery of health care in the United States. The American Board of Orthopedic Surgery (ABOS) has developed a performance improvement questionnaire (PIQ) for orthopaedic surgeons managing pediatric supracondylar humerus fracture (PSCHF). Using the supracondylar PIQ as a guide, this study evaluates the process of measuring the outcomes and variations in care to PSCHF patients among pediatric orthopaedic surgeons...
April 10, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28396232/treatment-of-osteomyelitis-a-case-for-disruption-of-the-affected-adjacent-periosteum
#4
J W Hudson, Austin P Daly, Michael Foster
PURPOSE: To evaluate the response of mandibular osteomyelitis treated by surgical decortication with disruption of the affected adjacent periosteum in concert with long-term targeted antibiotic therapy. The hypothesis is that, by removing the buccal cortical plate and disrupting the hypertrophically inflamed adjacent periosteum, the medullary bone will be brought in contact with bleeding tissue and circulating immunologic factors and antibiotics, which will promote definitive resolution...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28395278/cost-of-deep-brain-stimulation-infection-resulting-in-explantation
#5
Tsinsue Chen, Zaman Mirzadeh, Margaret Lambert, Omar Gonzalez, Ana Moran, Andrew G Shetter, Francisco A Ponce
BACKGROUND: Deep brain stimulation (DBS) hardware infection is a serious complication, often resulting in multiple hardware salvage attempts, hospitalizations, and long-term antibiotic therapy. OBJECTIVES: We aimed to quantify the costs of DBS hardware-related infections in patients undergoing eventual device explantation. METHODS: Of 362 patients who underwent 530 electrode placements (1 January 2010 to 30 December 2014), 16 (4.4%) had at least 2 hardware salvage procedures...
April 11, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28378991/assessment-of-antibiotic-susceptibility-of-legionella-pneumophila-isolated-from-water-systems-in-poland
#6
Agnieszka Sikora, Iwona Gładysz, Maria Kozioł-Montewka, Małgorzata Wójtowicz-Bobin, Tomasz Stańczak, Renata Matuszewska, Bożena Krogulska
INTRODUCTION AND OBJECTIVE: Several studies have reported therapy failures in patients with legionnaires'disease; however, antimicrobial resistance of clinical and environmental isolates of Legionella spp. has not yet been documented. Routine susceptibility testing of Legionella spp. is not recommended because of difficulties in determining standard minimal inhibitory concentration values. The purpose of this study was to analyze the antimicrobial susceptibility of Legionella pneumophila...
March 21, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28373644/modeling-nosocomial-infections-of-methicillin-resistant-staphylococcus-aureus-with-environment-contamination
#7
Lei Wang, Shigui Ruan
In this work, we investigate the role of environmental contamination on the clinical epidemiology of antibiotic-resistant bacteria in hospitals. Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium that causes infections in different parts of the body. It is tougher to treat than most strains of Staphylococcus aureus or staph, because it is resistant to some commonly used antibiotics. Both deterministic and stochastic models are constructed to describe the transmission characteristics of MRSA in hospital setting...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28359302/transcriptome-analysis-of-the-two-unrelated-fungal-%C3%AE-lactam-producers-acremonium-chrysogenum-and-penicillium-chrysogenum-velvet-regulated-genes-are-major-targets-during-conventional-strain-improvement-programs
#8
Dominik Terfehr, Tim A Dahlmann, Ulrich Kück
BACKGROUND: Cephalosporins and penicillins are the most frequently used β-lactam antibiotics for the treatment of human infections worldwide. The main industrial producers of these antibiotics are Acremonium chrysogenum and Penicillium chrysogenum, two taxonomically unrelated fungi. Both were subjects of long-term strain development programs to reach economically relevant antibiotic titers. It is so far unknown, whether equivalent changes in gene expression lead to elevated antibiotic titers in production strains...
March 31, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28352463/pervasive-antibiotic-misuse-in-the-cambodian-community-antibiotic-seeking-behaviour-with-unrestricted-access
#9
Chhorvoin Om, Frances Daily, Erika Vlieghe, James C McLaughlin, Mary-Louise McLaws
BACKGROUND: Antibiotic misuse is widespread in resource-limited countries such as Cambodia where the burden of infectious diseases is high and access to antibiotics is unrestricted. We explored healthcare seeking behaviour related to obtaining antibiotics and drivers of antibiotic misuse in the Cambodian community. METHODS: In-depth interviews were held with family members of patients being admitted in hospitals and private pharmacies termed pharmacy attendants in the catchment areas of the hospitals...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28320332/assessing-emergency-obstetric-and-newborn-care-can-performance-indicators-capture-health-system-weaknesses
#10
Andrea Solnes Miltenburg, Richard Forget Kiritta, Thabea Benedicto Bishanga, Jos van Roosmalen, Jelle Stekelenburg
BACKGROUND: Regular monitoring and assessment of performance indicators for emergency obstetric and newborn care can help to identify priorities to improve health services for women and newborns. The aim of this study was to perform a district wide assessment of emergency obstetric and newborn care performance and identify ways for improvement. METHODS: Facility assessment of 13 dispensaries, four health centers and one district hospital in a rural district in Tanzania was performed in two data collection periods in 2014...
March 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28317865/complete-genome-sequencing-and-antibiotics-biosynthesis-pathways-analysis-of-streptomyces-lydicus-103
#11
Nan Jia, Ming-Zhu Ding, Hao Luo, Feng Gao, Ying-Jin Yuan
More and more new natural products have been found in Streptomyces species, which become the significant resource for antibiotics production. Among them, Streptomyces lydicus has been known as its ability of streptolydigin biosynthesis. Herein, we present the genome analysis of S. lydicus based on the complete genome sequencing. The circular chromosome of S. lydicus 103 comprises 8,201,357 base pairs with average GC content 72.22%. With the aid of KEGG analysis, we found that S. lydicus 103 can transfer propanoate to succinate, glutamine or glutamate to 2-oxoglutarate, CO2 and L-glutamate to ammonia, which are conducive to the the supply of amino acids...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28306360/the-antibiotic-pipeline-reviving-research-and-development-and-speeding-drugs-to-market
#12
Katherine H Luepke, John F Mohr
The combination of growing antimicrobial resistance with a dry pipeline has resulted in infections that can no longer be treated. Specific reasons have led to companies' exit from the antibacterial space, however recent incentives are spurring interest to reinvigorate the pipeline. Areas covered: This article summarizes the available information on the discovery, developmental, and regulatory challenges in antibacterial development that have led to disinterest in the space, as well as ongoing incentives such as public-private partnerships and streamlined pathways to mend these challenges and bring new antibiotics to patients in need...
March 29, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28300643/draft-genome-sequence-of-multidrug-resistant-salmonella-enterica-serovar-brancaster-strain-ps01-isolated-from-chicken-meat-malaysia
#13
Pui San Chin, Choo Yee Yu, Geik Yong Ang, Wai-Fong Yin, Kok-Gan Chan
OBJECTIVES: Salmonella spp. represent one of the main diarrhoeal pathogens that are transmitted via the food supply chain. Here we report the draft genome sequence of a multidrug-resistant Salmonella enterica serovar Brancaster (PS01) that was isolated from poultry meat in Malaysia. METHODS: Genomic DNA was extracted from Salmonella strain PS01 and was sequenced using an Illumina HiSeq 2000 platform. The generated reads were de novo assembled using CLC Genomics Workbench...
March 12, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28293709/metabolic-perturbation-to-enhance-polyketide-and-nonribosomal-peptide-antibiotic-production-using-triclosan-and-ribosome-targeting-drugs
#14
Yukinori Tanaka, Masumi Izawa, Yoshikazu Hiraga, Yuya Misaki, Tomoko Watanabe, Kozo Ochi
Although transcriptional activation of pathwayspecific positive regulatory genes and/or biosynthetic genes is primarily important for enhancing secondary metabolite production, reinforcement of substrate supply, as represented by primary metabolites, is also effective. For example, partial inhibition of fatty acid synthesis with ARC2 (an analog of triclosan) was found to enhance polyketide antibiotic production. Here, we demonstrate that this approach is effective even for industrial high-producing strains, for example enhancing salinomycin production by 40%, reaching 30...
March 14, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28290008/three-dimensional-numerical-simulations-of-biofilm-dynamics-with-quorum-sensing-in-a-flow-cell
#15
Jia Zhao, Qi Wang
We develop a multiphasic hydrodynamic theory for biofilms taking into account interactions among various bacterial phenotypes, extracellular polymeric substance (EPS), quorum sensing (QS) molecules, solvent, and antibiotics. In the model, bacteria are classified into down-regulated QS, up-regulated QS, and non-QS cells based on their QS ability. The model is first benchmarked against an experiment yielding an excellent fit to experimental measurements on the concentration of QS molecules and the cell density during biofilm development...
March 13, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28284092/antibiotic-resistant-pseudomonas-spp-in-the-aquatic-environment-a-prevalence-study-under-tropical-and-temperate-climate-conditions
#16
Naresh Devarajan, Thilo Köhler, Periyasamy Sivalingam, Christian van Delden, Crispin K Mulaji, Pius T Mpiana, Bastiaan W Ibelings, John Poté
Microbial populations which are resistant to antibiotics are an emerging environmental concern with potentially serious implications for public health. Thus, there is a growing concern in exploring the occurrence of antibiotic resistance in the environment with no limitations to the factors that contribute to their emergence. The aquatic environment is considered to be a hot-spot for the acquisition and spread of antibiotic resistance due to pollution with emerging contaminants derived from anthropogenic activities...
February 27, 2017: Water Research
https://www.readbyqxmd.com/read/28284083/plasma-pharmacokinetics-and-bioavailability-of-verticillin-a-following-different-routes-of-administration-in-mice-using-liquid-chromatography-tandem-mass-spectrometry
#17
Jiang Wang, Xiaohua Zhu, Shamala Kolli, Hongyan Wang, Cedric J Pearce, Nicholas H Oberlies, Mitch A Phelps
Verticillin A is a natural product isolated from fungal cultures and has displayed potent antibiotic, antiviral, nematocidal, and anticancer properties in vitro. While in vivo studies have been limited due to sparse supply, the in vivo efficacy data that does exist demonstrates potent anti-tumor activity in murine cancer models. The current study aims to investigate the pharmacokinetics and bioavailability of verticillin A in mice to provide guidance for further efficacy assessment in mouse models. A sensitive and specific liquid chromatography-tandem mass spectrometry method was developed and validated for the quantification of verticillin A in mouse plasma...
May 30, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28263527/genotoxicity-of-wastewater-from-health-care-facilities
#18
REVIEW
Alena Vlková, Zdeňka Wittlingerová, Magdalena Zimová, Gabriela Jírová, Kristina Kejlová, Stanislav Janoušek, Dagmar Jírová
Health care facilities use for therapeutic purposes, diagnostics, research, and disinfection a high number of chemical compounds, such as pharmaceuticals (e.g. antibiotics, cytostatics, antidepressants), disinfectants, surfactants, metals, radioactive elements, bleach preparations, etc. Hospitals consume significant amounts of water (in the range of 400 to 1200 liters/day/bed) corresponding to the amount of wastewater discharge. Some of these chemicals are not eliminated in wastewater treatment plants and are the source of pollution for surface and groundwater supplies...
December 18, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28253356/resistance-to-antimicrobial-drugs-in-different-surface-waters-and-wastewaters-of-guadeloupe
#19
Stéphanie Guyomard-Rabenirina, Celia Dartron, Mélanie Falord, Syndia Sadikalay, Célia Ducat, Vincent Richard, Sébastien Breurec, Olivier Gros, Antoine Talarmin
OBJECTIVE: The first aim of this study was to evaluate the antimicrobial resistance of Enterobacteriaceae in different water environments of Guadeloupe and especially those impacted by waste water treatment plants (WWTP) effluents. The second objective was to characterize the genetic basis for antibiotic resistance of extended-spectrum beta-lactamase (ESBL) and AmpC beta-lactamase producing Enterobacteriaceae isolates (ESBLE and AmpCE). METHODS: We have collected 70 surface waters (river and sea samples) impacted or not by WWTP and 18 waste waters from 2 WWTPs in 2012 and 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28243709/heterologous-production-of-kasugamycin-an-aminoglycoside-antibiotic-from-streptomyces-kasugaensis-in-streptomyces-lividans-and-rhodococcus-erythropolis-l-88-by-constitutive-expression-of-the-biosynthetic-gene-cluster
#20
Kano Kasuga, Akira Sasaki, Takashi Matsuo, Chika Yamamoto, Yuiko Minato, Naoya Kuwahara, Chikako Fujii, Masayuki Kobayashi, Hitosi Agematu, Tomohiro Tamura, Mamoru Komatsu, Jun Ishikawa, Haruo Ikeda, Ikuo Kojima
Kasugamycin (KSM), an aminoglycoside antibiotic isolated from Streptomyces kasugaensis cultures, has been used against rice blast disease for more than 50 years. We cloned the KSM biosynthetic gene (KBG) cluster from S. kasugaensis MB273-C4 and constructed three KBG cassettes (i.e., cassettes I-III) to enable heterologous production of KSM in many actinomycetes by constitutive expression of KBGs. Cassette I comprised all putative transcriptional units in the cluster, but it was placed under the control of the P neo promoter from Tn5...
February 27, 2017: Applied Microbiology and Biotechnology
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