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https://www.readbyqxmd.com/read/28301705/reprioritizing-research-activity-for-the-post-antibiotic-era-ethical-legal-and-social-considerations
#1
Spencer Phillips Hey, Aaron S Kesselheim
Many hold that the so-called golden era of antibiotic discovery has passed, leaving only a limited clinical pipeline for new antibiotics. A logical conclusion of such arguments is that we need to reform the current system of antibiotic drug research-including clinical trials and regulatory requirements-to spur activity in discovery and development. The United States Congress in the past few years has debated a number of bills to address this crisis, including the 2012 Generating Antibiotic Incentives Now Act and the 2016 21st Century Cures Act...
March 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28288838/routine-ertapenem-prophylaxis-for-transrectal-ultrasound-guided-prostate-biopsy-does-not-select-for-carbapenem-resistant-organisms-a-prospective-cohort-study
#2
Maxim G Bloomfield, Matthew J Page, Alice G McLachlan, Rodney C Studd, Timothy K Blackmore
PURPOSE: Post-transrectal ultrasound-guided prostate biopsy sepsis is an increasing problem in this era of rising antibiotic resistance. Ertapenem prophylaxis has proven very effective at our institution for reducing this, however has raised local and regional antimicrobial stewardship concerns. This study investigated the possible selective effect of single dose ertapenem prophylaxis on fecal colonization with carbapenem-resistant Enterobacteriaceae. MATERIALS AND METHODS: Patients had a rectal swab taken prior to receiving pre-biopsy ertapenem prophylaxis...
March 10, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28281094/clinical-features-and-inflammatory-markers-in-pediatric-pneumonia-a-prospective-study
#3
Are Stuwitz Berg, Christopher Stephen Inchley, Hans Olav Fjaerli, Truls Michael Leegaard, Morten Lindbaek, Britt Nakstad
In this prospective, observational study on previously healthy children <18 years, we aimed to study the diagnostic ability of clinical features and inflammatory markers to (i) predict pathologic chest radiography in suspected pneumonia and (ii) differentiate etiology in radiological proven pneumonia. In 394 cases of suspected pneumonia, 265 (67%) had radiographs consistent with pneumonia; 34/265 had proof of bacterial etiology. Of the cases, 86.5% had received pneumococcal conjugate vaccine. In suspected pneumonia, positive chest radiography was significantly associated with increasing C-reactive protein (CRP) values, higher age, and SpO2 ≤92% in multivariate logistic regression, OR 1...
March 9, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28258235/antibiotic-non-antibiotic-combinations-for-combating-extremely-drug-resistant-gram-negative-superbugs
#4
REVIEW
Elena K Schneider, Felisa Reyes-Ortega, Tony Velkov, Jian Li
The emergence of antimicrobial resistance of Gram-negative pathogens has become a worldwide crisis. The status quo for combating resistance is to employ synergistic combinations of antibiotics. Faced with this fast-approaching post-antibiotic era, it is critical that we devise strategies to prolong and maximize the clinical efficacy of existing antibiotics. Unfortunately, reports of extremely drug-resistant (XDR) Gram-negative pathogens have become more common. Combining antibiotics such as polymyxin B or the broad-spectrum tetracycline and minocycline with various FDA-approved non-antibiotic drugs have emerged as a novel combination strategy against otherwise untreatable XDR pathogens...
February 28, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/28258226/impact-of-anthropogenic-activities-on-the-dissemination-of-antibiotic-resistance-across-ecological-boundaries
#5
REVIEW
Vijay Tripathi, Eddie Cytryn
Antibiotics are considered to be one of the major medical breakthroughs in history. Nonetheless, over the past four decades, antibiotic resistance has reached alarming levels worldwide and this trend is expected to continue to increase, leading some experts to forecast the coming of a 'post-antibiotic' era. Although antibiotic resistance in pathogens is traditionally linked to clinical environments, there is a rising concern that the global propagation of antibiotic resistance is also associated with environmental reservoirs that are linked to anthropogenic activities such as animal husbandry, agronomic practices and wastewater treatment...
February 28, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/28220735/sustained-reduction-in-antibiotic-consumption-in-a-south-african-public-sector-hospital-four-year-outcomes-from-the-groote-schuur-hospital-antibiotic-stewardship-program
#6
T H Boyles, V Naicker, N Rawoot, P J Raubenheimer, B Eick, M Mendelson
BACKGROUND: Overuse of antibiotics has driven global bacterial resistance to the extent that we have entered a post-antibiotic era, where infections that were once easily treatable are now becoming untreatable. Efforts to control consumption have focused on antibiotic stewardship programmes (ASPs), aimed at optimising use. OBJECTIVE: To report antibiotic consumption and cost over 4 years from a public hospital ASP in South Africa (SA). METHODS: A comprehensive ASP comprising online education, a dedicated antibiotic prescription chart and weekly dedicated ward rounds was introduced at Groote Schuur Hospital, Cape Town, in 2012...
January 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28207079/the-growing-threat-of-antimicrobial-resistance
#7
Jose M Munita, Samuel Shelburne, David E Greenberg, Cesar A Arias
The emergence and widespread dissemination of multidrug-resistant organisms is considered one of the three most important public health threats for humankind in the 21st century and jeopardizes the practice of modern medicine. Failure to tackle this problem in a comprehensive fashion could result in a dire post-antibiotic era, impairing the future development of treatments against important diseases, such as cancer, and transplant medicine, among others. Here, we provide a global perspective of the problem and describe some of the most important antibiotic-resistant organisms affecting the health of our patients...
February 1, 2017: Texas Medicine
https://www.readbyqxmd.com/read/28149935/readmission-rate-and-causes-at-90-day-after-radical-cystectomy-in-patients-on-early-recovery-after-surgery-protocol
#8
Emanuela Altobelli, Maurizio Buscarini, Harcharan S Gill, Eila C Skinner
Background: Radical cystectomy (RC) is associated with high risk of early and late perioperative complications, and readmissions. The Enhanced Recovery After Surgery (ERAS) protocol has been applied to RC showing decreased hospital stay without increased morbidity. Objective: To evaluate the specific causes of hospital readmissions in RC patients treated before and after adoption of an ERAS protocol at our institution. Methods: We retrospectively evaluated the outcome of 207 RC patients on ERAS protocol at the Stanford University Hospital from January 2012 to December 2014...
January 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/28135798/rational-design-of-single-chain-polymeric-nanoparticles-that-kill-planktonic-and-biofilm-bacteria
#9
Thuy-Khanh Nguyen, Shu Jie Lam, Kitty K K Ho, Naresh Kumar, Greg G Qiao, Suhelen Egan, Cyrille Boyer, Edgar H H Wong
Infections caused by multidrug-resistant bacteria are on the rise and, therefore, new antimicrobial agents are required to prevent the onset of a postantibiotic era. In this study, we develop new antimicrobial compounds in the form of single-chain polymeric nanoparticles (SCPNs) that exhibit excellent antimicrobial activity against Gram-negative bacteria (e.g., Pseudomonas aeruginosa) at micromolar concentrations (e.g., 1.4 μM) and remarkably kill ≥99.99% of both planktonic cells and biofilm within an hour...
March 10, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28096686/peptide-consensus-sequence-determination-for-the-enhancement-of-the-antimicrobial-activity-and-selectivity-of-antimicrobial-peptides
#10
Ammar Almaaytah, Ya'u Ajingi, Ahmad Abualhaijaa, Shadi Tarazi, Nizar Alshar'i, Qosay Al-Balas
The rise of multidrug-resistant bacteria is causing a serious threat to the world's human population. Recent reports have identified bacterial strains displaying pan drug resistance against antibiotics and generating fears among medical health specialists that humanity is on the dawn of entering a post-antibiotics era. Global research is currently focused on expanding the lifetime of current antibiotics and the development of new antimicrobial agents to tackle the problem of antimicrobial resistance. In the present study, we designed a novel consensus peptide named "Pepcon" through peptide consensus sequence determination among members of a highly homologous group of scorpion antimicrobial peptides...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28065568/synthesis-and-antimicrobial-studies-of-novel-derivatives-of-4-4-formyl-3-phenyl-1h-pyrazol-1-yl-benzoic-acid-as-potent-anti-acinetobacter-baumannii-agents
#11
Devin Allison, Evan Delancey, Hunter Ramey, Conrad Williams, Zakeyah Ali Alsharif, Hessa Al-Khattabi, Allyn Ontko, David Gilmore, Mohammad A Alam
Microbial resistance to antibiotics is a global concern. The World Health Organization (WHO) has identified antimicrobial resistance as one the three greatest threats for human beings in the 21st century. Without urgent and coordinated action, the world is moving toward a post-antibiotic era, in which normal infections or minor injuries may become fatal. In an effort to find new agents, we report the synthesis and antimicrobial activities of 40 novel 1,3-diphenyl pyrazole derivatives. These compounds have shown zones of growth inhibition up to 85mm against Acinetobacter baumannii...
February 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28029082/probiotics-in-curing-allergic-and-inflammatory-conditions-research-progress-and-futuristic-vision
#12
Kuldeep Dhama, Shyma K Latheef, Ashok Kumar Munjal, Rekha Khandia, Hari Abdul Samad, Hafiz M N Iqbal, Sunil K Joshi
BACKGROUND: Probiotics constitute the viable and beneficial microbes, which offer a dietary means to sustain the balance of gastro-intestinal (GI) microflora. Owing to their multiple health benefits, these have recently gained wide attention among researchers for exploring their potential in safeguarding the health of humans and animals. Probiotics could also modulate host-immune responses, thereby help in counteracting the immunological dysfunctions. Probiotics can inhibit the systemic invasion of pathogens entering through the GI mucosa/ oral cavity and have been found to possess effective prophylactic and therapeutic utilities against various infectious pathogens as well as non-infectious diseases and disorders...
December 26, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/27959347/antimicrobial-resistance-are-we-at-the-dawn-of-the-post-antibiotic-era
#13
D N Williams
No abstract text is available yet for this article.
September 2016: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/27956759/the-records-of-stannington-children-s-sanatorium-charting-half-a-century-of-tuberculosis-care
#14
Karen Rushton
This article explores the historic records of Stannington Children's Tuberculosis Sanatorium focusing largely on the 5,041 patient records and 14,660 radiographs that make up the bulk of the collection and span from the 1930s to the 1960s. By taking a handful of illustrations from within the collection, it aims to demonstrate the various avenues of research available as well as the unique nature of the collection owing to its focus on children, with the comprehensive nature of its records making it invaluable...
November 2016: Social History of Medicine: the Journal of the Society for the Social History of Medicine
https://www.readbyqxmd.com/read/27931680/reactivation-or-reinfection-in-adult-tuberculosis-is-that-the-question
#15
Pere-Joan Cardona
Looking at the chapter on "natural history" in any tuberculosis (TB) reference book, there is a kind of certainty regarding TB in adults. That is the concept of "post-primary" TB described as the reactivation of dormant bacilli hidden in an old lesion developed during infancy due to a type of local immunosuppression. Intriguingly, this concept involves at least two major uncertainties: how can dormant bacilli remain for such a long period, almost a lifetime, in an old lesion, taking into account granuloma dynamism; and what sort of local immunosuppression is the one that facilitates reactivation? The controversy between reactivation and exogenous reinfection as the cause of active TB started very soon in TB research...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27909252/nurses-as-antibiotic-brokers-institutionalized-praxis-in-the-hospital
#16
Alex Broom, Jennifer Broom, Emma Kirby, Graham Scambler
We are likely moving rapidly toward a post-antibiotic era, as a result of escalating antimicrobial resistance, rapidly declining antibiotic production and profligate overuse. Hitherto research has almost exclusively focused on doctors' prescribing, with nurses' roles in antibiotic use remaining virtually invisible. Drawing on interviews with 30 nurses, we focus on nurses as brokers of doctors' antibiotic decisions, nursing capacity to challenge doctors' decisions, and, "back stage" strategies for circumnavigating organizational constraints...
November 30, 2016: Qualitative Health Research
https://www.readbyqxmd.com/read/27905836/invasive-pneumococcal-disease-from-a-tertiary-care-hospital-in-the-post-vaccine-era
#17
Sevgen Tanır Basaranoglu, Eda Karadag Oncel, Kubra Aykac, Yasemin Ozsurekci, Ali Bulent Cengiz, Ates Kara, Mehmet Ceyhan
A breakthrough infection occurring with 13-valent pneumococcal conjugate vaccine (PCV13) in Turkey are previously described. A breakthrough infection is defined as IPD in a child who had received ≥ 1 PCV-7 or PCV-13 and for which the pneumococcal isolate was a vaccine serotype. During one year period, among 6 patients with invasive pneumococcal infection, 2 patients were considered to have a vaccine failure with serotype 19F. Antibiotic resistance results were remarkable; macrolide resistance were observed in all strains except one, and high and intermediate penicillin resistance were determined in 2 strains...
December 1, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27876463/re-evaluating-the-sensitivity-of-the-rabbit-infectivity-test-for-treponema-pallidum-in-modern-era
#18
Man-Li Tong, Hui-Lin Zhang, Xiao-Zhen Zhu, Jin-Yi Fan, Kun Gao, Li-Rong Lin, Li-Li Liu, Shu-Lian Li, Hui-Ling Lin, Zhi-Feng Lin, Jian-Jun Niu, Wei-Hong Zheng, Tian-Ci Yang
BACKGROUND: The rabbit infectivity test (RIT) was previously described as a highly-sensitive method for clinically detecting Treponema pallidum. But our primary study indicated this result may have changed in current antibiotics era. METHODS: By inoculating rabbits testis with cerebrospinal fluid (CSF) (n=63) and exudate from hard chancre lesions (n=13), we re-evaluated the sensitivity of RIT in modern era. All isolated T. pallidum strains from the RIT were performed for the strain type based on "CDC subtype/tp0548" method...
January 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27869519/a-post-planktonic-era-of-in-vitro-infectious-models-issues-and-changes-addressed-by-a-clinically-relevant-wound-like-media
#19
Urvish Trivedi, Jonas S Madsen, Kendra P Rumbaugh, Randall D Wolcott, Mette Burmølle, Søren J Sørensen
Medical science is pitted against an ever-increasing rise in antibiotic tolerant microorganisms. Concurrently, during the past decade, biofilms have garnered much attention within research and clinical practice. Although the significance of clinical biofilms is becoming very apparent, current methods for diagnostics and direction of therapy plans in many hospitals do not reflect this knowledge; with many of the present tools proving to be inadequate for accurately mimicking the biofilm phenomenon. Based on current findings, we address some of the fundamental issues overlooked by clinical labs: the paradigm shifts that need to occur in assessing chronic wounds; better simulation of physiological conditions in vitro; and the importance of incorporating polymicrobial populations into biofilm models...
November 21, 2016: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/27862712/invasive-pneumococcal-infections-in-children-following-transplantation-in-the-pneumococcal-conjugate-vaccine-era
#20
Liset Olarte, Philana Ling Lin, William J Barson, Jose R Romero, Tina Q Tan, Laurence B Givner, Jill A Hoffman, John S Bradley, Kristina G Hultén, Edward O Mason, Sheldon L Kaplan
BACKGROUND: Pediatric recipients of hematopoietic stem cell and solid organ transplants are at increased risk of invasive pneumococcal infections (IPI). Data on IPI in this population are scarce. To our knowledge, this is the first study describing the epidemiology of IPI among pediatric transplant recipients in the pneumococcal conjugate vaccine (PCV) era. METHODS: We identified transplant recipients with IPI at 8 children's hospitals in the U.S. from our surveillance database (2000-2014)...
November 9, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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