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https://www.readbyqxmd.com/read/28350942/prevention-of-surgical-site-infection-in-spine-surgery
#1
Paul A Anderson, Jason W Savage, Alexander R Vaccaro, Kristen Radcliff, Paul M Arnold, Brandon D Lawrence, Mohammed F Shamji
BACKGROUND: Spine surgery is complicated by an incidence of 1% to 9% of surgical site infection (SSI). The most common organisms are gram-positive bacteria and are endogenous, that is are brought to the hospital by the patient. Efforts to improve safety have been focused on reducing SSI using a bundle approach. The bundle approach applies many quality improvement efforts and has been shown to reduce SSI in other surgical procedures. OBJECTIVE: To provide a narrative review of practical solutions to reduce SSI in spine surgery...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28350901/gram-negative-bacterial-infections-research-priorities-accomplishments-and-future-directions-of-the-antibacterial-resistance-leadership-group
#2
Yohei Doi, Robert A Bonomo, David C Hooper, Keith S Kaye, James R Johnson, Cornelius J Clancy, Joshua T Thaden, Martin E Stryjewski, David van Duin
Antimicrobial resistance in pathogenic gram-negative bacteria is one of the most pressing challenges in the field of infectious diseases and is one of 4 key areas of unmet medical need identified by the Antibacterial Resistance Leadership Group (ARLG). The mission of the Gram-Negative Committee is to advance our knowledge of these challenging infections and implement studies to improve patient outcomes. Studies have fallen primarily into 2 broad categories: prospective cohort studies and interventional trials...
March 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28350900/gram-positive-bacterial-infections-research-priorities-accomplishments-and-future-directions-of-the-antibacterial-resistance-leadership-group
#3
Sarah B Doernberg, Thomas P Lodise, Joshua T Thaden, Jose M Munita, Sara E Cosgrove, Cesar A Arias, Helen W Boucher, G Ralph Corey, Franklin D Lowy, Barbara Murray, Loren G Miller, Thomas L Holland
Antimicrobial resistance in gram-positive bacteria remains a challenge in infectious diseases. The mission of the Gram-Positive Committee of the Antibacterial Resistance Leadership Group (ARLG) is to advance knowledge in the prevention, management, and treatment of these challenging infections to improve patient outcomes. Our committee has prioritized projects involving methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE) due to the scope of the medical threat posed by these pathogens...
March 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28350898/leading-antibacterial-laboratory-research-by-integrating-conventional-and-innovative-approaches-the-laboratory-center-of-the-antibacterial-resistance-leadership-group
#4
Claudia Manca, Carol Hill, Andrea M Hujer, Robin Patel, Scott R Evans, Robert A Bonomo, Barry N Kreiswirth
The Antibacterial Resistance Leadership Group (ARLG) Laboratory Center (LC) leads the evaluation, development, and implementation of laboratory-based research by providing scientific leadership and supporting standard/specialized laboratory services. The LC has developed a physical biorepository and a virtual biorepository. The physical biorepository contains bacterial isolates from ARLG-funded studies located in a centralized laboratory and they are available to ARLG investigators. The Web-based virtual biorepository strain catalogue includes well-characterized gram-positive and gram-negative bacterial strains published by ARLG investigators...
March 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28350870/bacterial-clonal-diagnostics-as-a-tool-for-evidence-based-empiric-antibiotic-selection
#5
Veronika Tchesnokova, Hovhannes Avagyan, Elena Rechkina, Diana Chan, Mariya Muradova, Helen Ghirmai Haile, Matthew Radey, Scott Weissman, Kim Riddell, Delia Scholes, James R Johnson, Evgeni V Sokurenko
Despite the known clonal distribution of antibiotic resistance in many bacteria, empiric (pre-culture) antibiotic selection still relies heavily on species-level cumulative antibiograms, resulting in overuse of broad-spectrum agents and excessive antibiotic/pathogen mismatch. Urinary tract infections (UTIs), which account for a large share of antibiotic use, are caused predominantly by Escherichia coli, a highly clonal pathogen. In an observational clinical cohort study of urgent care patients with suspected UTI, we assessed the potential for E...
2017: PloS One
https://www.readbyqxmd.com/read/28350867/dissociation-between-skin-test-reactivity-and-anti-aeroallergen-ige-determinants-among-urban-brazilian-children
#6
Neuza M Alcantara-Neves, Rafael V Veiga, João C M Ponte, Sérgio S da Cunha, Silvia M Simões, Álvaro A Cruz, Maria Yazdanbakhsh, Sheila M Matos, Thiago Magalhães Silva, Camila A Figueiredo, Lain C Pontes-de-Carvalho, Laura C Rodrigues, Rosemeire L Fiaccone, Philip J Cooper, Maurício L Barreto
BACKGROUND: The dissociation between specific IgE and skin prick test reactivity to aeroallergens, a common finding in populations living in low and middle-income countries, has important implications for the diagnosis and treatment of allergic diseases. Few studies have investigated the determinants of this dissociation. In the present study, we explored potential factors explaining this dissociation in children living in an urban area of Northeast Brazil, focusing in particular on factors associated with poor hygiene...
2017: PloS One
https://www.readbyqxmd.com/read/28350843/high-hiv-prevalence-and-incidence-among-women-in-southern-mozambique-evidence-from-the-mdp-microbicide-feasibility-study
#7
Sibone Mocumbi, Mitzy Gafos, Khatia Munguambe, Ruth Goodall, Sheena McCormack
BACKGROUND: The study aimed to assess the feasibility of conducting large scale HIV prevention clinical trials in Mozambique by measuring HIV prevalence and incidence among women of reproductive age. This paper describes the baseline socio-demographic characteristics of the Mozambique Microbicides Development Programme (MDP) feasibility cohort, baseline prevalence of HIV and other STIs, and HIV incidence. METHODS: The Mozambique MDP feasibility study was conducted from September 2007 to August 2009 in urban Mavalane and rural Manhiça, in Southern Mozambique...
2017: PloS One
https://www.readbyqxmd.com/read/28350806/pharmacokinetics-of-a-single-1g-dose-of-azithromycin-in-rectal-tissue-in-men
#8
Fabian Y S Kong, Thusitha W Rupasinghe, Julie A Simpson, Lenka A Vodstrcil, Christopher K Fairley, Malcolm J McConville, Jane S Hocking
Chlamydia is the most common bacterial sexually transmitted infection among men who have sex with men. Repeat infection following treatment with 1g azithromycin is common and treatment failure of up to 22% has been reported. This study measured the pharmacokinetics of azithromycin in rectal tissue in men following a single 1g dose to assess whether azithromycin reaches the rectal site in adequate concentrations to kill chlamydia. Ten healthy men took a single oral dose of 1g azithromycin and provided nine self-collected swabs and one blood sample over 14 days...
2017: PloS One
https://www.readbyqxmd.com/read/28350760/involvement-of-hsp70-and-ho-1-in-the-protective-effects-of-raloxifene-on-multiple-organ-dysfunction-syndrome-by-endotoxemia-in-ovariectomized-rats
#9
Hsin-Hsueh Shen, Shieh-Yang Huang, Pao-Yun Cheng, Yen-Ju Chu, Shu-Ying Chen, Kwok-Keung Lam, Yen-Mei Lee
OBJECTIVE: Accumulating evidence demonstrates that raloxifene, a selective estrogen receptor modulator, possesses anti-inflammatory action. This study evaluates the preventive effects of long-term treatment of raloxifene on acute inflammation and multiple organ dysfunction syndrome (MODS) in ovariectomized (OVX) rats with endotoxemia and its underlying mechanism of action. METHODS: Adult female rats were OVX bilaterally to induce estrogen insufficiency. OVX rats were administered with raloxifene (1 mg/kg, gavage, once daily) for 8 weeks, beginning 1 week after surgery, followed by induction of sepsis via intravenous infusion of lipopolysaccharides (LPS; 30 mg/kg) for 4 hours...
March 27, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28350509/epstein-barr-virus-and-its-association-with-fascin-expression-in-colorectal-cancers-in-the-syrian-population-a-tissue-microarray-study
#10
Noor Al-Antary, Hanan Farghaly, Tahar Aboulkassim, Amber Yasmeen, Nizar Akil, Ala-Eddin Al Moustafa
Colorectal cancer (CRC) is the third most common malignancy in both men and women worldwide. Colorectal carcinogenesis is a complex, multistep process involving environmental and lifestyle features as well as sequential genetic changes in addition to bacterial and viral infections. Viral infection has a proven role in the incidence of approximately 20% of human cancers including gastric malignancies. Accordingly, Epstein-Barr virus (EBV) has been recently shown to be present in human gastric cancers, which could play an important role in the initiation and progression of these cancers...
March 28, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28350437/bacteria-activated-theranostic-nanoprobes-against-methicillin-resistant-staphylococcus-aureus-infection
#11
Zhiwei Zhao, Rong Yan, Xuan Yi, Jingling Li, Jiaming Rao, Zhengqing Guo, Yanmei Yang, Weifeng Li, Yong-Qiang Li, Chunying Chen
Despite numerous advanced imaging and sterilization techniques available nowadays, the sensitive in vivo diagnosis and complete elimination of drug-resistant bacterial infections remain to be big challenge. Here we report a strategy to design activatable theranostic nanoprobes against methicillin-resistant Staphylococcus aureus (MRSA) infections. This probe is based on silica nanoparticles coated with vancomycin-modified polyelectrolyte-cypate complexes (SiO2-Cy-Van), which is activated by an interesting phenomenon of bacteria-responsive dissociation of the polyelectrolyte from silica nanoparticles...
March 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28348855/emergence-of-a-novel-lineage-containing-a-prophage-in-emm-m3-group-a-streptococcus-associated-with-upsurge-in-invasive-disease-in-the-uk
#12
Ali Al-Shahib, Anthony Underwood, Baharak Afshar, Claire E Turner, Theresa Lamagni, Shiranee Sriskandan, Androulla Efstratiou
A sudden increase in invasive Group A Streptococcus (iGAS) infections associated with emm/M3 isolates during the winter of 2008/09 prompted the initiation of enhanced surveillance in England. In order to characterise the population of emm/M3 GAS within the UK and determine bacterial factors that might be responsible for this upsurge, 442 emm/M3 isolates from cases of invasive and non-invasive infections during the period 2001-2013 were subjected to whole genome sequencing. MLST analysis differentiated emm/M3 isolates into three sequence types (STs): ST15, ST315 and ST406...
June 2016: Microbial Genomics
https://www.readbyqxmd.com/read/28346803/carbapenemase-producing-aeromonas-veronii-disseminated-in-the-environment-of-an-equine-specialty-hospital
#13
Rachael J Adams, Dimitria A Mathys, Dixie F Mollenkopf, Andrea Whittle, Joshua B Daniels, Thomas E Wittum
The emergence of bacterial resistance to carbapenem antibiotics is an urgent public health threat. Carbapenem drugs are a last resort treatment option for life-threatening infections. The frequent use of broad-spectrum antibiotics to treat hospitalized patients provides significant selection pressure favoring the emergence and dissemination of resistant organisms, including carbapenem-resistant Enterobacteriaceae (CRE). CREs have been reported in animal populations, but only rarely in horses. Our objective was to determine the prevalence of CRE in the environment of a referral equine specialty hospital...
March 27, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28346597/association-of-risk-of-viremia-immunosuppression-serious-clinical-events-and-mortality-with-increasing-age-in-perinatally-human-immunodeficiency-virus-infected-youth
#14
Anne M Neilan, Brad Karalius, Kunjal Patel, Russell B Van Dyke, Mark J Abzug, Allison L Agwu, Paige L Williams, Murli Purswani, Deborah Kacanek, James M Oleske, Sandra K Burchett, Andrew Wiznia, Miriam Chernoff, George R Seage, Andrea L Ciaranello
Importance: As perinatally human immunodeficiency virus-infected youth (PHIVY) in the United States grow older and more treatment experienced, clinicians need updated information about the association of age, CD4 cell count, viral load (VL), and antiretroviral (ARV) drug use with risk of opportunistic infections, key clinical events, and mortality to understand patient risks and improve care. Objective: To examine the incidence or first occurrence during follow-up of key clinical events (including Centers for Disease Control and Prevention stage B [CDC-B] and stage C [CDC-C] events) and mortality among PHIVY stratified by age, CD4 cell count, and VL and ARV status...
March 27, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28346540/fragment-library-screening-identifies-hits-that-bind-to-the-non-catalytic-surface-of-pseudomonas-aeruginosa-dsba1
#15
Biswaranjan Mohanty, Kieran Rimmer, Róisín M McMahon, Stephen J Headey, Mansha Vazirani, Stephen R Shouldice, Mathieu Coinçon, Stephanie Tay, Craig J Morton, Jamie S Simpson, Jennifer L Martin, Martin J Scanlon
At a time when the antibiotic drug discovery pipeline has stalled, antibiotic resistance is accelerating with catastrophic implications for our ability to treat bacterial infections. Globally we face the prospect of a future when common infections can once again kill. Anti-virulence approaches that target the capacity of the bacterium to cause disease rather than the growth or survival of the bacterium itself offer a tantalizing prospect of novel antimicrobials. They may also reduce the propensity to induce resistance by removing the strong selection pressure imparted by bactericidal or bacteriostatic agents...
2017: PloS One
https://www.readbyqxmd.com/read/28346512/bacterial-and-viral-pathogen-spectra-of-acute-respiratory-infections-in-under-5-children-in-hospital-settings-in-dhaka-city
#16
Golam Sarower Bhuyan, Mohammad Amir Hossain, Suprovath Kumar Sarker, Asifuzzaman Rahat, Md Tarikul Islam, Tanjina Noor Haque, Noorjahan Begum, Syeda Kashfi Qadri, A K M Muraduzzaman, Nafisa Nawal Islam, Mohammad Sazzadul Islam, Nusrat Sultana, Manjur Hossain Khan Jony, Farhana Khanam, Golam Mowla, Abdul Matin, Firoza Begum, Tahmina Shirin, Dilruba Ahmed, Narayan Saha, Firdausi Qadri, Kaiissar Mannoor
The study aimed to examine for the first time the spectra of viral and bacterial pathogens along with the antibiotic susceptibility of the isolated bacteria in under-5 children with acute respiratory infections (ARIs) in hospital settings of Dhaka, Bangladesh. Nasal swabs were collected from 200 under-five children hospitalized with clinical signs of ARIs. Nasal swabs from 30 asymptomatic children were also collected. Screening of viral pathogens targeted ten respiratory viruses using RT-qPCR. Bacterial pathogens were identified by bacteriological culture methods and antimicrobial susceptibility of the isolates was determined following CLSI guidelines...
2017: PloS One
https://www.readbyqxmd.com/read/28346470/relationship-of-microbial-communities-and-suppressiveness-of-trichoderma-fortified-composts-for-pepper-seedlings-infected-by-phytophthora-nicotianae
#17
Margarita Ros, Iulia Raut, Ana Belén Santisima-Trinidad, Jose Antonio Pascual
The understanding of the dynamic of soil-borne diseases is related to the microbial composition of the rhizosphere which is the key to progress in the field of biological control. Trichoderma spp. is commonly used as a biological control agent. The use of next generation sequencing approaches and quantitative PCR are two successful approaches to assess the effect of using compost as substrate fortified with two Trichoderma strains (Trichoderma harzianum or Trichoderma asperellum) on bacterial and fungal communities in pepper rhizosphere infected with Phytophthora nicotianae...
2017: PloS One
https://www.readbyqxmd.com/read/28346417/bacterial-bloodstream-infections-in-the-allogeneic-hematopoietic-cell-transplant-patient-new-considerations-for-a-persistent-nemesis
#18
REVIEW
C E Dandoy, M I Ardura, G A Papanicolaou, J J Auletta
Bacterial bloodstream infections (BSI) cause significant transplant-related morbidity and mortality following allogeneic hematopoietic cell transplantation (allo-HCT). This manuscript reviews the risk factors for and the bacterial pathogens causing BSIs in allo-HCT recipients in the contemporary transplant period. In addition, it offers insight into emerging resistant pathogens and reviews clinical management considerations to treat and strategies to prevent BSIs in allo-HCT patients.Bone Marrow Transplantation advance online publication, 27 March 2017; doi:10...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346272/influenza-in-children
#19
Janienne Kondrich, Michele Rosenthal
PURPOSE OF REVIEW: We review the current information and evidence available on the global burden of disease in the pediatric population, clinical presentation and complications, testing, treatment, and immunization. RECENT FINDINGS: In addition to multiple other risk factors for influenza complications, children with neurologic and neuromuscular disorders are significantly higher risk for serious complications. In practice, there is no lower age limit for children with influenza who can be treated with oseltamivir...
March 24, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28346095/identification-by-high-throughput-screening-of-pseudomonas-acyl-coenzyme-a-synthetase-inhibitors
#20
Lorenzo Turcano, Daniela Visaggio, Emanuela Frangipani, Antonino Missineo, Matteo Andreini, Sergio Altamura, Paolo Visca, Alberto Bresciani
Pseudomonas infections are common among hospitalized, immunocompromised, and chronic lung disease patients. These infections are recalcitrant to common antibacterial therapies due to inherent antibiotic resistance. To meet the need of new anti- Pseudomonas drugs, a sensitive, homogenous, and robust assay was developed with the aim of identifying inhibitors of acyl-coenzyme A synthetases (ACSs) from Pseudomonas. Given the importance of fatty acids for in vivo nutrition of Pseudomonas, such inhibitors might have the potential to reduce the bacterial fitness during infection...
January 1, 2017: SLAS Discov
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