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Judicious antimicrobial

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https://www.readbyqxmd.com/read/29107650/molecular-characterization-and-antibiotic-resistance-of-streptococcus-dysgalactiae-subspecies-equisimilis-isolated-from-patients-with-streptococcal-toxic-shock-syndrome
#1
T Ikebe, R Okuno, M Sasaki, Y Kanda, H Otsuka, R Kawahara, H Ohya, M Suzuki, K Uchida, H Nihonmatsu, M Ohnishi
Streptococcal toxic shock syndrome (STSS) is a severe invasive infection characterized by the sudden onset of shock, multiorgan failure, and high mortality. Although STSS is mainly caused by Streptococcus pyogenes, group G streptococcus identified as S. dysgalactiae subsp. equisimilis (SDSE) causing STSS has also been reported; however, no study has analyzed >100 isolates of SDSE causing STSS. Therefore, we characterized the emm genotype of 173 SDSE isolates obtained from STSS patients in Japan during 2014-2016 and performed antimicrobial susceptibility testing using the broth microdilution method and emm gene typing...
October 26, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29059026/impact-of-fluoroquinolone-prophylaxis-on-infectious-related-outcomes-after-hematopoietic-cell-transplantation
#2
Amber B Clemmons, Arpita S Gandhi, Benjamin Albrecht, Stephanie Jacobson, Jeremy Pantin
Background Patients immediately post-hematopoietic cell transplantation are at high risk for bacteremia. Judicious prophylactic antimicrobial utilization must balance anticipated benefits (reduction infections) versus risk (bacterial resistance, Clostridium difficile) . Objective To compare infectious outcomes (primary: incidence bacteremia; secondary: febrile neutropenia, C. difficile, susceptibility of bacteremia, time to discharge and 30-day mortality) between hematopoietic cell transplantation who received fluoroquinolone prophylaxis to those who did not...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28971754/phylogroup-and-virulence-gene-association-with-clinical-characteristics-of-escherichia-coli-urinary-tract-infections-from-dogs-and-cats
#3
Tabitha A Hutton, Gabriel K Innes, Josée Harel, Philippe Garneau, Andrew Cucchiara, Dieter M Schifferli, Shelley C Rankin
Escherichia coli isolates from infections outside the gastrointestinal tract are termed extra-intestinal pathogenic E. coli (ExPEC) and can be divided into different subpathotypes; one of these is uropathogenic E. coli (UPEC). The frequency with which UPEC strains cause urinary tract infections in dogs and cats is not well documented. We used an oligonucleotide microarray to characterize 60 E. coli isolates associated with the urinary tract of dogs ( n = 45) and cats ( n = 15), collected from 2004 to 2007, into ExPEC and UPEC and to correlate results with patient clinical characteristics...
September 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28947683/headspace-volatile-organic-compounds-from-bacteria-implicated-in-ventilator-associated-pneumonia-analysed-by-td-gc-ms
#4
Oluwasola Lawal, Howbeer Muhamadali, Waqar Ahmed, Iain R White, Tamara M E Nijsen, Royston Goodacre, Stephen J Fowler
Ventilator-associated pneumonia (VAP) is a healthcare-acquired infection arising from the invasion of the lower respiratory tract by opportunistic pathogens in critically ill ventilated patients. The current method of diagnosis requires the culture of an airway sample such as bronchoalveolar lavage, which is invasive to obtain and may take up to seven days to identify a causal pathogen, or indeed rule out infection. While awaiting results, patients are administered empirical antibiotics; risks of this approach include lack of effect on the causal pathogen, contribution to the development of antibiotic resistance and downstream effects such as increased length of intensive care stay, cost, morbidity and mortality...
September 26, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28905709/antimicrobial-stewardship-in-laboratory-animal-facilities
#5
Heather L Narver
Bacterial resistance to antimicrobial drugs has become a global health crisis. Physicians and veterinarians are embracing the concept of 'antimicrobial stewardship' (AMS) to preserve the efficacy of antibiotics for future generations. Antimicrobials are used in laboratory animals to treat clinical disease, to protect populations that may be vulnerable to infection, and in research projects including studies of the microbiome and to influence expression in genetically engineered animals. This overview provides a critical look at the use of antimicrobials in contemporary vivaria, with special attention to rodents because they are the most commonly used species in research and because antimicrobial use in rodents is not straightforward...
January 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28899877/multiresistant-e-coli-urine-infections-in-children-a-case-control-study
#6
Gayathri Raman, Brendan McMullan, Peter Taylor, Kylie-Ann Mallitt, Sean E Kennedy
OBJECTIVE: Urinary tract infections (UTIs) caused by resistant organisms are increasing which poses challenges when selecting empirical antimicrobial therapy. The aim of this study is to determine risk factors for multiresistant Escherichia coliUTIs in children. DESIGN: We included all reported urinary isolates from a children's hospital collected between January 2010 and June 2013. Patients who had multiresistant E. coliUTIs were identified and a retrospective review of medical records performed...
September 12, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28887421/impact-of-raised-without-antibiotics-beef-cattle-production-practices-on-occurrences-of-antimicrobial-resistance
#7
Amit Vikram, Pablo Rovira, Getahun E Agga, Terrance M Arthur, Joseph M Bosilevac, Tommy L Wheeler, Paul S Morley, Keith E Belk, John W Schmidt
The specific antimicrobial resistance (AMR) decreases that can be expected from reducing antimicrobial (AM) use in United States (US) beef production have not been defined. To address this data gap, feces were recovered from 36 lots of "raised without antibiotics" (RWA) and 36 lots of "conventional" (CONV) beef cattle. Samples (N = 719) were collected during harvest and distributed over a year. AMR was assessed by: i) culture of six AM-resistant bacteria (ARB); ii) qPCR for 10 AMR genes (ARGs); iii) an qPCR array of 84 ARGs; and iv) metagenomic sequencing...
September 8, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28852600/a-review-on-antibiotic-resistance-alarm-bells-are-ringing
#8
REVIEW
Sojib Bin Zaman, Muhammed Awlad Hussain, Rachel Nye, Varshil Mehta, Kazi Taib Mamun, Naznin Hossain
Antibiotics are the 'wonder drugs' to combat microbes. For decades, multiple varieties of antibiotics have not only been used for therapeutic purposes but practiced prophylactically across other industries such as agriculture and animal husbandry. Uncertainty has arisen, as microbes have become resistant to common antibiotics while the host remains unaware that antibiotic resistance has emerged. The aim of this review is to explore the origin, development, and the current state of antibiotic resistance, regulation, and challenges by examining available literature...
June 28, 2017: Curēus
https://www.readbyqxmd.com/read/28830437/an-exploratory-descriptive-study-of-antimicrobial-resistance-patterns-of-staphylococcus-spp-isolated-from-horses-presented-at-a-veterinary-teaching-hospital
#9
James Wabwire Oguttu, Daniel Nenene Qekwana, Agricola Odoi
BACKGROUND: Antimicrobial resistant Staphylococcus are becoming increasingly important in horses because of the zoonotic nature of the pathogens and the associated risks to caregivers and owners. Knowledge of the burden and their antimicrobial resistance patterns are important to inform control strategies. This study is an exploratory descriptive investigation of the burden and antimicrobial drug resistance patterns of Staphylococcus isolates from horses presented at a veterinary teaching hospital in South Africa...
August 22, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28810278/-infections-in-patients-with-home-ventilation
#10
Christian Giesa, Fabian Wolter, Santiago Ewig
In patients with home ventilation, there is a markedly higher probability for lower respiratory infections or pneumonia and severe courses due to comorbidity. Tracheobronchitis and pneumonia are often difficult to distinguish. Tracheobronchitis with pronounced secretion which can't be controlled otherwise can be an indication for antimicrobial therapy.There are no data available in order to establish a recommendation for the initial empiric calculated antimicrobial therapy in patients with home ventilation...
August 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28697159/outpatient-parenteral-antimicrobial-therapy-and-judicious-use-of-pediatric-emergency-resources
#11
Michael Xu, Quynh Doan
BACKGROUND: Pediatric returns to the emergency department (RTED) vary between 3% and 13% of the total ED volume of visits. However, the incidence and contribution of scheduled RTED on pediatric emergency department (PED) utilization is less clear. Antimicrobial stewardship programs on inpatient wards have been shown to improve judicious use of outpatient parenteral antimicrobial therapy (OPAT) in upon discharge. The implementation of such programs in PEDs has yet to be reported. The objectives of this study are to quantify the burden of scheduled RTED for OPAT on PED utilization and to examine how frequently OPAT use are supported by published practice standards for 3 common pediatric infections-cellulitis, pneumonia, and urinary tract infections...
July 11, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28676125/antimicrobial-drug-use-in-food-producing-animals-and-associated-human-health-risks-what-and-how-strong-is-the-evidence
#12
REVIEW
Karin Hoelzer, Nora Wong, Joe Thomas, Kathy Talkington, Elizabeth Jungman, Allan Coukell
BACKGROUND: Antimicrobial resistance is a public health threat. Because antimicrobial consumption in food-producing animals contributes to the problem, policies restricting the inappropriate or unnecessary agricultural use of antimicrobial drugs are important. However, this link between agricultural antibiotic use and antibiotic resistance has remained contested by some, with potentially disruptive effects on efforts to move towards the judicious or prudent use of these drugs. MAIN TEXT: The goal of this review is to systematically evaluate the types of evidence available for each step in the causal pathway from antimicrobial use on farms to human public health risk, and to evaluate the strength of evidence within a 'Grades of Recommendations Assessment, Development and Evaluation'(GRADE) framework...
July 4, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28557742/viral-features-and-testing-for-streptococcal-pharyngitis
#13
Daniel J Shapiro, Christina E Lindgren, Mark I Neuman, Andrew M Fine
BACKGROUND AND OBJECTIVES: The Infectious Diseases Society of America recommends that clinicians forego testing for group A Streptococcal (GAS) pharyngitis in patients with clinical features of viral illness. The prevalence of viral features in patients tested for GAS pharyngitis is not known. The objectives of this study were as follows: to describe the prevalence of viral features in pediatric patients for whom rapid antigen detection tests (RADTs) for GAS pharyngitis are performed; and to compare the prevalence of GAS and the sensitivity of the RADT in patients with and without viral features...
May 2017: Pediatrics
https://www.readbyqxmd.com/read/28526311/dramatic-effects-of-a-new-antimicrobial-stewardship-program-in-a-rural-community-hospital
#14
Claudia R Libertin, Stephanie H Watson, William L Tillett, Joy H Peterson
BACKGROUND: New Joint Commission antimicrobial stewardship requirements took effect on January 1, 2017, promoted as a central strategy for coping with the emerging problems of antimicrobial resistance and Clostridium difficile infection. Our objective was to measure the effects of a new antimicrobial stewardship program (ASP) in a rural community hospital with no prior ASP, in the context of having a new infectious disease specialist on staff. METHODS: An ASP team was formed to implement a prospective audit with health care provider feedback and targeting 12 antimicrobial agents in a rural hospital in Georgia...
September 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28516494/recommendations-for-approaches-to-meticillin-resistant-staphylococcal-infections-of-small-animals-diagnosis-therapeutic-considerations-and-preventative-measures-clinical-consensus-guidelines-of-the-world-association-for-veterinary-dermatology
#15
REVIEW
Daniel O Morris, Anette Loeffler, Meghan F Davis, Luca Guardabassi, J Scott Weese
BACKGROUND: Multiple drug resistance (MDR) in staphylococci, including resistance to the semi-synthetic penicillinase-resistant penicillins such as meticillin, is a problem of global proportions that presents serious challenges to the successful treatment of staphylococcal infections of companion animals. OBJECTIVES: The objective of this document is to provide harmonized recommendations for the diagnosis, prevention and treatment of meticillin-resistant staphylococcal infections in dogs and cats...
June 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28511383/study-on-mics-of-tigecycline-in-clinical-isolates-of-carbapenem-resistant-enterobacteriaceae-cre-at-a-tertiary-care-centre-in-north-india
#16
Vineeta Khare, Prashant Gupta, Fareya Haider, Rehana Begum
INTRODUCTION: Members of family Enterobacteriaceae are the most common Gram-negative bacteria isolated from clinical samples. Those Enterobacteriaceae which have acquired resistance to all β-lactams antibiotics including the carbapenems are considered as Carbapenem Resistant Enterobacteriaceae (CRE). These CRE isolates are often resistant to most other classes of antimicrobials as well, making their treatment a great challenge. Tigecycline is one of the last resort antimicrobials against such multidrug resistant bacteria...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28464710/salvaging-cochlear-implant-after-wound-infection-well-worth-a-try
#17
Shalabh Sharma, Anandita Gupta, Khyati Bhatia, Asish Kumar Lahiri, Satinder Singh
BACKGROUND: Cochlear implant (CI)-related wound infections are known to happen even years after the implant procedure and present a challenging clinical situation. Due to the formation of biofilm on the implant surface such infections are difficult to eradicate. Invariably explantation of the device is required for wound healing. METHOD: A 10-year-old patient presented with recurrent CI-related wound infection 8 years after implantation. The implant was salvaged with wound debridement and treating it with tea tree oil which is known for its biofilm eradicating properties...
May 3, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28434651/neonatal-sepsis
#18
REVIEW
Andi L Shane, Pablo J Sánchez, Barbara J Stoll
Neonatal sepsis is the cause of substantial morbidity and mortality. Precise estimates of neonatal sepsis burden vary by setting. Differing estimates of disease burden have been reported from high-income countries compared with reports from low-income and middle-income countries. The clinical manifestations range from subclinical infection to severe manifestations of focal or systemic disease. The source of the pathogen might be attributed to an in-utero infection, acquisition from maternal flora, or postnatal acquisition from the hospital or community...
October 14, 2017: Lancet
https://www.readbyqxmd.com/read/28411959/implementation-and-outcomes-of-an-antimicrobial-stewardship-program-effectiveness-of-education
#19
Yea-Yuan Chang, Hsin-Pai Chen, Chia-Wei Lin, Jen-Jen Tang, Ti-Ying Hsu, Yueh-Chun Weng, Yuan-Ming Lee, Wei-Shu Wang, Su-Shun Lo
BACKGROUND: Unnecessary use of antibiotics is a common occurrence in hospitals. Implementation of antibiotic stewardship programs (ASPs) has been shown to reduce both unnecessary antibiotic use and drug-resistant bacteria. Education is a fundamental component of an ASP. However, the effectiveness of proper uses of antibiotics education has not been clearly analyzed. METHODS: In a 520-bed university hospital located in northeastern Taiwan, a significantly increasing prescription of carbapenems, specifically imipenem and meropenem, was observed...
April 12, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28339182/widespread-and-indiscriminate-nanosilver-use-genuine-potential-for-microbial-resistance
#20
Cindy Gunawan, Christopher P Marquis, Rose Amal, Georgios A Sotiriou, Scott A Rice, Elizabeth J Harry
In this era of increasing antibiotic resistance, the use of alternative antimicrobials such as silver has become more widespread. Superior antimicrobial activity has been provided through fabrication of silver nanoparticles or nanosilver (NAg), which imparts cytotoxic actions distinct from those of bulk silver. In the wake of the recent discoveries of bacterial resistance to NAg and its rising incorporation in medical and consumer goods such as wound dressings and dietary supplements, we argue that there is an urgent need to monitor the prevalence and spread of NAg microbial resistance...
April 25, 2017: ACS Nano
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