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Antibiotic shortage

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https://www.readbyqxmd.com/read/29754097/amendment-soil-with-biochar-to-control-antibiotic-resistance-genes-under-unconventional-water-resources-irrigation-proceed-with-caution
#1
Er-Ping Cui, Feng Gao, Yuan Liu, Xiang-Yang Fan, Zhong-Yang Li, Zhen-Jie Du, Chao Hu, Andrew L Neal
The spread of antibiotic resistance genes (ARGs) has become a cause for serious concern because of its potential risk to public health. The use of unconventional water resources (e.g., reclaimed water or piggery wastewater) in agriculture to relieve groundwater shortages may result in an accumulation of ARGs in soil. Biochar addition has been proven to be a beneficial method to alleviate the pollution of ARGs in manure-amended soil. However, the role of biochar on ARGs in soil-plant systems repeatedly irrigated with unconventional water resources is unknown...
May 10, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29721323/inconsistencies-in-dosage-practice-in-children-with-overweight-or-obesity-a-retrospective-cohort-study
#2
Christina Gade, Hanne R Christensen, Kim P Dalhoff, Jens Christian Holm, Helle Holst
Obesity can affect the pharmacokinetics of most drugs, which may result in under- or overdosing if traditional pediatric dosing strategies are used. To investigate currently applied dosage strategies in children with overweight or obesity (overweight/obesity), in a clinical treatment facility. In particular, whether dosing guidelines were available and metrics of body size applied. A retrospective cohort study of 200 patients admitted to the Danish Children's Obesity Clinic. Data were collected from 2007 to 2015...
June 2018: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/29688837/use-and-effectiveness-of-peri-operative-cefotetan-versus-cefazolin-plus-metronidazole-for-prevention-of-surgical-site-infection-in-abdominal-surgery-patients
#3
Eleanor Danan, Janessa Smith, Rachel M Kruer, Edina Avdic, Pamela Lipsett, Melanie S Curless, Andrew S Jarrell
BACKGROUND: Current practice guidelines for antimicrobial prophylaxis in surgery recommend a cephamycin or cefazolin plus metronidazole for various abdominal surgeries. In February 2016, cephamycin drug shortages resulted in a change in The Johns Hopkins Hospital's (JHH) recommendation for peri-operative antibiotic prophylaxis in abdominal surgeries from cefotetan to cefazolin plus metronidazole. The primary objective of this study was to quantify the percentage of abdominal surgeries adherent to JHH peri-operative antibiotic prophylaxis guidelines...
April 24, 2018: Surgical Infections
https://www.readbyqxmd.com/read/29660875/metagenomic-analysis-of-antibiotic-resistance-genes-args-during-refuse-decomposition
#4
Xi Liu, Shu Yang, Yangqing Wang, He-Ping Zhao, Liyan Song
Landfill is important reservoirs of residual antibiotics and antibiotic resistance genes (ARGs), but the mechanism of landfill application influence on antibiotic resistance remains unclear. Although refuse decomposition plays a crucial role in landfill stabilization, its impact on the antibiotic resistance has not been well characterized. To better understand the impact, we studied the dynamics of ARGs and the bacterial community composition during refuse decomposition in a bench-scale bioreactor after long term operation (265d) based on metagenomics analysis...
April 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29625040/odilorhabdins-antibacterial-agents-that-cause-miscoding-by-binding-at-a-new-ribosomal-site
#5
Lucile Pantel, Tanja Florin, Malgorzata Dobosz-Bartoszek, Emilie Racine, Matthieu Sarciaux, Marine Serri, Jessica Houard, Jean-Marc Campagne, Renata Marcia de Figueiredo, Camille Midrier, Sophie Gaudriault, Alain Givaudan, Anne Lanois, Steve Forst, André Aumelas, Christelle Cotteaux-Lautard, Jean-Michel Bolla, Carina Vingsbo Lundberg, Douglas L Huseby, Diarmaid Hughes, Philippe Villain-Guillot, Alexander S Mankin, Yury S Polikanov, Maxime Gualtieri
Growing resistance of pathogenic bacteria and shortage of antibiotic discovery platforms challenge the use of antibiotics in the clinic. This threat calls for exploration of unconventional sources of antibiotics and identification of inhibitors able to eradicate resistant bacteria. Here we describe a different class of antibiotics, odilorhabdins (ODLs), produced by the enzymes of the non-ribosomal peptide synthetase gene cluster of the nematode-symbiotic bacterium Xenorhabdus nematophila. ODLs show activity against Gram-positive and Gram-negative pathogens, including carbapenem-resistant Enterobacteriaceae, and can eradicate infections in animal models...
April 5, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29614616/-state-of-the-art-status-on-airborne-antibiotic-resistant-bacteria-and-antibiotic-resistance-genes
#6
J Li, M S Yao
The world is facing more deaths due to increasing antibiotic-resistant bacterial infections and the shortage of new highly effective antibiotics, however the air media as its important transmission route has not been adequately studied. Based on the latest literature acquired in this work, we have discussed the state-of-the-art research progress of the concentration, distribution and spread of antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) in different environmental air media, and also analyzed some future prevention and control measures...
April 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29611482/potential-use-of-nanomedicine-for-the-anti-inflammatory-treatment-of-neurodegenerative-diseases
#7
Maria Dolores Cayero-Otero, Ana M Espinosa-Oliva, Antonio J Herrera, Irene Garcia-Dominguez, Mercedes Fernandez-Arevalo, Lucia Martin-Banderas, Rocio M de Pablos
Neurodegenerative diseases, like Alzheimer´s and Parkinson´s disease, are a group of disorders that have in common their increasingly high prevalence along with the shortage of effective treatments. In addition, the scientific community faces the challenge of getting the drugs used in these treatments to cross the blood-brain barrier (BBB) and reach the brain in sufficient concentration to be able to exert its effect. Hence, researchers across multiple disciplines are working together in order to improve the ability of therapeutics to penetrate the BBB...
April 2, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29555106/pharmacists-interventions-on-prescription-problems-in-one-french-community-pharmacy-a-prospective-pilot-study
#8
A Castronovo, F Gervais, C Mongaret, F Slimano
OBJECTIVES: While many international studies widely describe pharmacists' interventions (PIs) on drug-related problems (DRP) in community pharmacies, in France, these activities are underreported. The aim of this study is to describe the PI rate, given as the number of interventions in among all prescriptions reviewed during the study period. MATERIAL AND METHODS: This study was conducted in one French rural community pharmacy during a 7-month period. Age, sex, type of prescriber, type of problems, intervention and the outcome were prospectively recorded...
March 16, 2018: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/29545798/role-of-lactobacilli-and-lactoferrin-in-the-mucosal-cervicovaginal-defense
#9
REVIEW
Piera Valenti, Luigi Rosa, Daniela Capobianco, Maria Stefania Lepanto, Elisa Schiavi, Antimo Cutone, Rosalba Paesano, Paola Mastromarino
The innate defense system of the female mucosal genital tract involves a close and complex interaction among the healthy vaginal microbiota, different cells, and various proteins that protect the host from pathogens. Vaginal lactobacilli and lactoferrin represent two essential actors in the vaginal environment. Lactobacilli represent the dominant bacterial species able to prevent facultative and obligate anaerobes outnumber in vaginal microbiota maintaining healthy microbial homeostasis. Several mechanisms underlie the protection exerted by lactobacilli: competition for nutrients and tissue adherence, reduction of the vaginal pH, modulation of immunity, and production of bioactive compounds...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29515041/targeting-fundamental-pathways-to-disrupt-staphylococcus-aureus-survival-clinical-implications-of-recent-discoveries
#10
REVIEW
Isaac P Thomsen, George Y Liu
The emergence of community-associated methicillin-resistant Staphylococcus aureus during the past decade along with an impending shortage of effective antistaphylococcal antibiotics have fueled impressive advances in our understanding of how S. aureus overcomes the host environment to establish infection. Backed by recent technologic advances, studies have uncovered elaborate metabolic, nutritional, and virulence strategies deployed by S. aureus to survive the restrictive and hostile environment imposed by the host, leading to a plethora of promising antimicrobial approaches that have potential to remedy the antibiotic resistance crisis...
March 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29481558/coverage-social-mobilization-and-challenges-of-mass-zithromax-administration-campaign-in-south-and-south-east-zones-of-tigray-northern-ethiopia-a-cross-sectional-study
#11
Afework Mulugeta, Gebremedhin Berhe Gebregergs, Selamawit Asfaw, Dejen Yemane, Mengistu Mitiku, Beyene Meresa, Goitom Gigar, Amanuel Kidane
BACKGROUND: The antibiotic treatment of people with trachoma helps to prevent transmission the disease in a community. Currently, Zithromax is the drug recommended for mass drug administration (MDA). MDA should be carried out annually for three to five years in trachoma endemic areas. Coverage survey is essential to track progress towards program goals and to identify communities with poor coverage in order to permit timely and appropriate actions. We assessed mass Zithromax administration coverage, social mobilization and campaign challenges in south and southeast zones of Tigray, Ethiopia...
February 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29447210/functional-imaging-of-the-interaction-between-gut-microbiota-and-the-human-host-a-proof-of-concept-clinical-study-evaluating-novel-use-for-18f-fdg-pet-ct
#12
RANDOMIZED CONTROLLED TRIAL
Ben Boursi, Thomas J Werner, Saeid Gholami, Sina Houshmand, Ronac Mamtani, James D Lewis, Gary D Wu, Abass Alavi, Yu-Xiao Yang
Recent data comparing germ-free to conventionally-raised mice demonstrated that energy homeostasis of colonocytes is dependent on gut microbiota through regulation of short chain fatty acids (SCFA) production and glucose utilization. We sought to evaluate 18F-FDG PET-CT as a novel technique for functional imaging of alterations in glucose metabolism as a result of the interaction between the gut microbiota and the human host. We conducted a prospective study in healthy humans that underwent 18F-FDG PET-CT and sampling of the gut microbiota before and after orally administered broad-spectrum antibiotics...
2018: PloS One
https://www.readbyqxmd.com/read/29446459/the-challenge-of-converting-gram-positive-only-compounds-into-broad-spectrum-antibiotics
#13
REVIEW
Michelle F Richter, Paul J Hergenrother
Multidrug resistant Gram-negative bacterial infections are on the rise, and there is a lack of new classes of drugs to treat these pathogens. This drug shortage is largely due to the challenge of finding antibiotics that can permeate and persist inside Gram-negative species. Efforts to understand the molecular properties that enable certain compounds to accumulate in Gram-negative bacteria based on retrospective studies of known antibiotics have not been generally actionable in the development of new antibiotics...
February 15, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29296672/prediction-of-new-stabilizing-mutations-based-on-mechanistic-insights-from-markov-state-models
#14
Maxwell I Zimmerman, Kathryn M Hart, Carrie A Sibbald, Thomas E Frederick, John R Jimah, Catherine R Knoverek, Niraj H Tolia, Gregory R Bowman
Protein stabilization is fundamental to enzyme function and evolution, yet understanding the determinants of a protein's stability remains a challenge. This is largely due to a shortage of atomically detailed models for the ensemble of relevant protein conformations and their relative populations. For example, the M182T substitution in TEM β-lactamase, an enzyme that confers antibiotic resistance to bacteria, is stabilizing but the precise mechanism remains unclear. Here, we employ Markov state models (MSMs) to uncover how M182T shifts the distribution of different structures that TEM adopts...
December 27, 2017: ACS Central Science
https://www.readbyqxmd.com/read/29281619/shortages-of-benzathine-penicillin-for-prevention-of-mother-to-child-transmission-of-syphilis-an-evaluation-from-multi-country-surveys-and-stakeholder-interviews
#15
Stephen Nurse-Findlay, Melanie M Taylor, Margaret Savage, Maeve B Mello, Sanni Saliyou, Manuel Lavayen, Frederic Seghers, Michael L Campbell, Françoise Birgirimana, Leopold Ouedraogo, Morkor Newman Owiredu, Nancy Kidula, Lee Pyne-Mercier
BACKGROUND: Benzathine penicillin G (BPG) is the only recommended treatment to prevent mother-to-child transmission of syphilis. Due to recent reports of country-level shortages of BPG, an evaluation was undertaken to quantify countries that have experienced shortages in the past 2 years and to describe factors contributing to these shortages. METHODS AND FINDINGS: Country-level data about BPG shortages were collected using 3 survey approaches. First, a survey designed by the WHO Department of Reproductive Health and Research was distributed to 41 countries and territories in the Americas and 41 more in Africa...
December 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29237206/-piperacillin-tazobactam-shortage-central-restriction-and-alternative-recommendations-as-effective-antibiotic-stewardship-intervention-at-a-maximal-care-hospital
#16
Johanna Kessel, Barbara Dolff, Thomas Wichelhaus, Nils Keiner, Michael Hogardt, Claudia Reinheimer, Imke Wieters, Sebastian Harder, Volkhard A J Kempf, Christoph Stephan
Background  Drug supply bottleneck is a worldwide challenge, e. g. the antibiotics Piperacillin/Tazobactam shortage in 2016/2017. The efficacy of an appropriate replacement management was evaluated at the University Hospital Frankfurt (UHF). Methods  The Antibiotic-Stewardship (ABS)-Team at UHF decreed a restriction of PIP/TAZ and provided alternative antibiotic therapy recommendations during the shortage period. Consequences of this intervention on antibiotic consumption and overall costs were investigated...
December 13, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29160494/managing-febrile-neutropenia-in-adult-cancer-patients-an-integrative-review-of-the-literature
#17
Juliana Nunes Ferreira, Lury Renata Barbosa Ribeiro Correia, Renata Moreira de Oliveira, Silvia Naomi Watanabe, João Francisco Possari, Antônio Fernandes Costa Lima
OBJECTIVE: To analyze the interventions performed by health professionals with a view to managing chemotherapy-induced febrile neutropenia. METHOD: Integrative literature review, the sample of 12 primary articles was selected from the following databases: LILACS, SciELO, BVS, PubMed, CINAHL and Web of Science. RESULTS: There was a prevalence of studies, realized by doctors, focused on pharmacological treatment and on the association of methods for greater diagnostic accuracy of febrile neutropenia...
November 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29030411/global-shortage-of-neonatal-and-paediatric-antibiotic-trials-rapid-review
#18
Georgina Thompson, Charlotte I Barker, Laura Folgori, Julia A Bielicki, John S Bradley, Irja Lutsar, Mike Sharland
OBJECTIVES: There have been few clinical trials (CTs) on antibiotics that inform neonatal and paediatric drug labelling. The rate of unlicensed and off-label prescribing in paediatrics remains high. It is unclear whether the current neonatal and paediatric antibiotic research pipeline is adequate to inform optimal drug dosing. Using the ClinicalTrials.gov registry, this review aims to establish the current global status of antibiotic CTs in children up to 18 years of age. METHODS: Studies were identified using key word searches of the ClinicalTrials...
October 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/29029067/pharmacodynamics-of-fosfomycin-against-esbl-and-or-carbapenemase-producing-enterobacteriaceae
#19
Fiona Fransen, Kelly Hermans, Maria J B Melchers, Claudia C M Lagarde, Joseph Meletiadis, Johan W Mouton
Background: The increase in antibiotic resistance in Gram-negative bacteria and the limited therapeutic options due to the shortage of new antibiotics have increased the interest of the 'old' antibiotic fosfomycin in the treatment of infections. However, there are contradictory reports on the pharmacodynamics of and emergence of resistance to fosfomycin. Methods: Time-kill assays were performed with 11 ESBL-positive and 3 ESBL-negative strains, exposing the bacteria to 2-fold static concentrations from 0...
December 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29027207/resource-availability-for-the-management-of-maternal-sepsis-in-malawi-other-low-income-countries-and-lower-middle-income-countries
#20
Mohammed Abdu, Amie Wilson, Chisale Mhango, Fatima Taki, Arri Coomarasamy, David Lissauer
OBJECTIVE: To assess the availability of key resources for the management of maternal sepsis and evaluate the feasibility of implementing the Surviving Sepsis Campaign (SSC) recommendations in Malawi and other low-resource settings. METHODS: A cross-sectional study was conducted at health facilities in Malawi, other low-income countries, and lower-middle-income countries during January-March 2016. English-speaking healthcare professionals (e.g. doctors, nurses, midwives, and administrators) completed a questionnaire/online survey to assess the availability of resources for the management of maternal sepsis...
February 2018: International Journal of Gynaecology and Obstetrics
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