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https://www.readbyqxmd.com/read/28336116/purulent-pericarditis-by-staphylococcus-panton-valentine-secondary-to-hair-implants
#1
Leydimar Anmad Shihadeh, Patricia Couto Comba, Carolina Hernández Carballo
No abstract text is available yet for this article.
March 20, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28301439/efficacy-of-the-repetitions-in-reserve-based-rating-of-perceived-exertion-for-the-bench-press-in-experienced-and-novice-benchers
#2
Michael J Ormsbee, Joseph P Carzoli, Alex Klemp, Brittany R Allman, Michael C Zourdos, Jeong-Su Kim, Lynn B Panton
Autoregulation (AR) is the practice of adjusting training variables in response to athlete feedback. One component of AR postulated to enhance resistance training adaptations involves implementing a resistance training-specific rating of perceived exertion (RPE) scale measuring repetitions in reserve (RIR). The purpose of this study was to examine the efficacy of this method using the bench press exercise. METHODS: Twenty-seven college-aged men were assigned to one of two groups based upon training age: experience benchers (EB) (n=14, training age: 4...
March 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28283923/characterization-of-staphylococcus-aureus-in-goose-feces-from-state-parks-in-northeast-ohio
#3
Dipendra Thapaliya, Mark Dalman, Jhalka Kadariya, Katie Little, Victoria Mansell, Mohammed Y Taha, Dylan Grenier, Tara C Smith
Staphylococcus aureus can colonize a range of species. Although numerous studies have isolated pathogenic bacteria from wild birds, very little is known regarding S. aureus and their potential to spread methicillin-resistant (MRSA) strains. The objective of this study was to determine the presence and molecular characteristics of S. aureus in geese fecal samples collected from ten state parks across Northeast Ohio (NEO). A total of 182 fecal samples from Canada geese (Branta canadensis) were collected in April 2015...
March 10, 2017: EcoHealth
https://www.readbyqxmd.com/read/28273954/community-associated-staphylococcus-aureus-from-sub-saharan-africa-and-germany-a-cross-sectional-geographic-correlation-study
#4
Ulla Ruffing, Abraham Alabi, Theckla Kazimoto, Delfino C Vubil, Ruslan Akulenko, Salim Abdulla, Pedro Alonso, Markus Bischoff, Anja Germann, Martin P Grobusch, Volkhard Helms, Jonas Hoffmann, Winfried V Kern, Peter G Kremsner, Inacio Mandomando, Alexander Mellmann, Georg Peters, Frieder Schaumburg, Sabine Schubert, Lena Strauß, Marcel Tanner, Hagen von Briesen, Laura Wende, Lutz von Müller, Mathias Herrmann
Clonal clusters and gene repertoires of Staphylococcus aureus are essential to understand disease and are well characterized in industrialized countries but poorly analysed in developing regions. The objective of this study was to compare the molecular-epidemiologic profiles of S. aureus isolates from Sub-Saharan Africa and Germany. S. aureus isolates from 600 staphylococcal carriers and 600 patients with community-associated staphylococcal disease were characterized by DNA hybridization, clonal complex (CC) attribution, and principal component (PCA)-based gene repertoire analysis...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28259072/a-rare-case-of-acute-osteomyelitis-due-to-panton-valentine-leukocidin-positive-community-acquired-methicillin-resistant-staphylococcus-aureus-in-a-young-healthy-adult
#5
Toshiyuki Takemori, Osamu Nakamura, Yoshiki Yamagami, Hideki Nishimura, Teruya Kawamoto, Toshihiro Akisue, Tetsuji Yamamoto
INTRODUCTION: Most community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infections affect skin or soft tissues, while invasive and life-threatening illnesses including osteomyelitis are less common. CA-MRSA infections occur especially in the pediatric age group, while the occurrence of CA-MRSA osteomyelitis in adults is uncommonly reported. PRESENTATION OF CASES: A rare case of acute osteomyelitis of the femur caused by Panton-Valentine leukocidin (PVL)-positive CA-MRSA in a 37-year-old man in good health is presented...
February 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28252552/effects-of-resistance-training-and-protein-supplementation-in-breast-cancer-survivors
#6
Takudzwa A Madzima, Michael J Ormsbee, Erica A Schleicher, Robert J Moffatt, Lynn B Panton
INTRODUCTION: To evaluate 12 wk of resistance training (RT; n=16) and protein supplementation (RT+protein; n=17) on muscular strength, body composition and blood biomarkers of muscle (insulin-like growth factor-1 (IGF-1)), fat (adiponectin), and inflammation [human C-reactive protein (CRP)] in breast cancer survivors (BCS). METHODS: Thirty-three BCS (59±8yr) were measured pre and post training for one-repetition maximum (1-RM) muscular strength (chest press: leg extension); body composition (lean mass (LM); fat mass (FM)) via DXA and serum concentrations of IGF-1, adiponectin, and CRP...
March 1, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28251179/fluorocycline-tp-271-is-potent-against-complicated-community-acquired-bacterial-pneumonia-pathogens
#7
Trudy H Grossman, Corey Fyfe, William O'Brien, Meredith Hackel, Mary Beth Minyard, Ken B Waites, Jacques Dubois, Timothy M Murphy, Andrew M Slee, William J Weiss, Joyce A Sutcliffe
TP-271 is a novel, fully synthetic fluorocycline antibiotic in clinical development for the treatment of respiratory infections caused by susceptible and multidrug-resistant pathogens. TP-271 was active in MIC assays against key community respiratory Gram-positive and Gram-negative pathogens, including Streptococcus pneumoniae (MIC90 = 0.03 µg/ml), methicillin-sensitive Staphylococcus aureus (MSSA; MIC90 = 0.25 µg/ml), methicillin-resistant S. aureus (MRSA; MIC90 = 0.12 µg/ml), Streptococcus pyogenes (MIC90 = 0...
January 2017: MSphere
https://www.readbyqxmd.com/read/28230803/one-pot-conversion-of-epoxidized-soybean-oil-eso-into-soy-based-polyurethanes-by-mocl%C3%A2-o%C3%A2-catalysis
#8
Vincenzo Pantone, Cosimo Annese, Caterina Fusco, Paola Fini, Angelo Nacci, Antonella Russo, Lucia D'Accolti
An innovative and eco-friendly one-pot synthesis of bio-based polyurethanes is proposed via the epoxy-ring opening of epoxidized soybean oil (ESO) with methanol, followed by the reaction of methoxy bio-polyols intermediates with 2,6-tolyl-diisocyanate (TDI). Both synthetic steps, methanolysis and polyurethane linkage formation, are promoted by a unique catalyst, molybdenum(VI) dichloride dioxide (MoCl₂O₂), which makes this procedure an efficient, cost-effective, and environmentally safer method amenable to industrial scale-up...
February 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28210352/risk-of-skin-and-soft-tissue-infections-among-children-found-to-be-staphylococcus-aureus-mrsa-usa300-carriers
#9
Lilly Cheng Immergluck, Shabnam Jain, Susan M Ray, Robert Mayberry, Sarah Satola, Trisha Chan Parker, Keming Yuan, Anaam Mohammed, Robert C Jerris
INTRODUCTION: The purpose of this study was to examine community-associated methicillin resistant Staphylococcus aureus (CA-MRSA) carriage and infections and determine risk factors associated specifically with MRSA USA300. METHODS: We conducted a case control study in a pediatric emergency department. Nasal and axillary swabs were collected, and participants were interviewed for risk factors. The primary outcome was the proportion of S. aureus carriers among those presenting with and without a skin and soft tissue infection (SSTI)...
February 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28184301/detection-of-diverse-genotypes-of-methicillin-resistant-staphylococcus-aureus-from-hospital-personnel-and-the-environment-in-armenia
#10
Hermine V Mkrtchyan, Zhen Xu, Maria Yacoub, Mary M Ter-Stepanyan, Hayk D Karapetyan, Angela M Kearns, Ronald R Cutler, Bruno Pichon, Armen Dz Hambardzumyan
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is a public health concern internationally. Studies examining a range of cohorts have been reported from various regions of the world, but little is known about the molecular epidemiology of MRSA in Armenia. METHODS: Between May and September 2013, twenty isolates of methicillin-resistant Staphylococcus aureus (MRSA; mecA positive) were recovered from hospital personnel (n = 10; 9 females, 1 male) and environmental sites (n = 10) in the maternity ward of one of the teaching hospitals in Armenia...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28146185/-community-acquired-staphylococcus-aureus-isolated-from-paraguayan-children-clinical-phenotypic-and-genotypic-characterization
#11
Rosa Guillén, Letizia Carpinelli, Fátima Rodríguez, Héctor Castro, Beatriz Quíñónez, Ana Campuzano, María Macchi, Juana Ortellado, Patricia Almada, Lorena Grau, Mónica Rodríguez, Gladys Velázquez, Carmen Espínola, Gloría Samudio, Gloria Gómez, Wilma Basualdo
INTRODUCTION: The prevalence of Staphylococcus aureus in the community has increased, being the pediatric population the most affected. This fact highlights the need for epidemiological surveillance. AIM: To characterize clinical, phenotypic and genotypic isolates of S. aureus children's samples with community-acquired infections, collected in hospitals of Asuncion and the Central Department, between November 2009 and December 2010. MATERIALS AND METHODS: Descriptive and transverse analysis with analytical component...
December 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28138384/hospital-clones-of-methicillin-resistant-staphylococcus-aureus-are-carried-by-medical-students-even-before-healthcare-exposure
#12
Ido Orlin, Assaf Rokney, Avi Onn, Daniel Glikman, Avi Peretz
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) strains are prevalent in healthcare and the community. Few studies have examined MRSA carriage among medical students. The aim of this study is to examine Staphylococcus aureus (SA) carriage, and particular MRSA, over time in cohort medical students. METHODS: Prospective collection of nasal swabs from medical students in Israel and assessment of SA carriage. Three samples were taken per student in preclinical and clinical parts of studies...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28137816/effects-of-tedizolid-phosphate-on-survival-outcomes-and-suppression-of-production-of-staphylococcal-toxins-in-a-rabbit-model-of-mrsa-necrotizing-pneumonia
#13
Vien T M Le, Hoan N Le, Marcos Gabriel Pinheiro, Kenneth J Hahn, Mary L Dinh, Kajal B Larson, Shawn D Flanagan, Cedric Badiou, Gerard Lina, Christine Tkaczyk, Bret R Sellman, Binh An Diep
The protective efficacy of tedizolid phosphate, a second-generation oxazolidinone that potently inhibits bacterial protein synthesis, was compared to those of linezolid, vancomycin, or saline in a rabbit model of Staphylococcus aureus necrotizing pneumonia. A rabbit dosing regimen of 6 mg/kg tedizolid phosphate IV twice daily, which yielded AUC0-24h values approximating those in humans, was used. Overall survival rate was 83% for rabbits treated with 6 mg/kg tedizolid phosphate twice daily and 83% for those treated with 50 mg/kg linezolid thrice daily (P=0...
January 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28131643/bengal-bay-clone-st772-mrsa-v-outbreak-conserved-clone-causes-investigation-challenges
#14
COMPARATIVE STUDY
A Blomfeldt, K W Larssen, A Moghen, K Haugum, T W Steen, S B Jørgensen, H V Aamot
BACKGROUND: The Bengal Bay clone, ST772-MRSA-V, associated with multi-drug resistance, Panton-Valentine leukocidin (PVL) and skin and soft tissue infections, is emerging worldwide. In Norway, a country with low prevalence of meticillin-resistant Staphylococcus aureus (MRSA), increased occurrence of ST772-MRSA-V has also caused hospital outbreaks. The conserved nature of this clone challenged the outbreak investigations. AIM: To evaluate the usefulness of S. aureus protein A (spa) typing, multiple-locus variable number tandem repeat fingerprinting/analysis (MLVF/MLVA) and pulsed-field gel electrophoresis (PFGE) when investigating outbreaks with a conserved MRSA clone...
March 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28117704/above-and-beyond-c5a-receptor-targeting-by-staphylococcal-leucotoxins-retrograde-transport-of-panton-valentine-leucocidin-and-%C3%AE-hemolysin
#15
Gaëlle Zimmermann-Meisse, Gilles Prévost, Emmanuel Jover
Various membrane receptors associated with the innate immune response have recently been identified as mediators of the cellular action of Staphylococcus aureus leucotoxins. Two of these, the Panton-Valentine leucotoxin LukS-PV/LukF-PV and the γ-hemolysin HlgC/HlgB, bind the C5a complement-derived peptide receptor. These leucotoxins utilize the receptor to induce intracellular Ca(2+) release from internal stores, other than those activated by C5a. The two leucotoxins are internalized with the phosphorylated receptor, but it is unknown whether they divert retrograde transport of the receptor or follow another pathway...
January 20, 2017: Toxins
https://www.readbyqxmd.com/read/28116552/characterisation-of-staphylococcus-aureus-isolates-from-bloodstream-infections-democratic-republic-of-the-congo
#16
S Vandendriessche, H De Boeck, A Deplano, M-F Phoba, O Lunguya, D Falay, N Dauly, J Verhaegen, O Denis, J Jacobs
Staphylococcus aureus is known worldwide as an invasive pathogen, but information on S. aureus from bloodstream infections in Central Africa remains scarce. A collection of S. aureus blood culture isolates recovered from hospitals in four provinces in the Democratic Republic of the Congo (2009-2013) was assessed. A total of 27/108 isolates were methicillin-resistant S. aureus (MRSA), of which >70% were co-resistant to aminoglycosides, tetracyclines, macrolides and lincosamides. For MRSA and methicillin-susceptible S...
January 23, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28109847/high-frequency-of-sccmec-type-v-and-agr-type-i-among-heterogeneous-vancomycin-intermediate-staphylococcus-aureus-hvisa-in-north-india
#17
Avinash Singh, Kashi Nath Prasad, Mohibur Rahman, Ravi Prakash Rai, Satyendra Kumar Singh, Janmejai Kumar Srivastava
OBJECTIVES: The objective of this study was to compare the genetic features of heterogeneous vancomycin-intermediate Staphylococcus aureus (hVISA) and vancomycin-sensitive methicillin-resistant S. aureus (VS-MRSA) isolates. METHODS: The presence of staphylococcal cassette chromosome mec (SCCmec) types, Panton-Valentine leukocidin (PVL), accessory gene regulator (agr) types, and vanA and vanB genes in hVISA and VS-MRSA isolates was evaluated by PCR. Genetic relatedness was studied by pulsed-field gel electrophoresis (PFGE)...
January 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28107412/nasal-carriage-of-staphylococcus-aureus-among-children-in-the-ashanti-region-of-ghana
#18
Daniel Eibach, Michael Nagel, Benedikt Hogan, Clinton Azuure, Ralf Krumkamp, Denise Dekker, Mike Gajdiss, Melanie Brunke, Nimako Sarpong, Ellis Owusu-Dabo, Jürgen May
BACKGROUND: Nasal carriage with Staphylococcus aureus is a common risk factor for invasive infections, indicating the necessity to monitor prevalent strains, particularly in the vulnerable paediatric population. This surveillance study aims to identify carriage rates, subtypes, antimicrobial susceptibilities and virulence markers of nasal S. aureus isolates collected from children living in the Ashanti region of Ghana. METHODS: Nasal swabs were obtained from children < 15 years of age on admission to the Agogo Presbyterian Hospital between April 2014 and January 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28056833/molecular-epidemiology-of-panton-valentine-leukocidin-positive-community-acquired-methicillin-resistant-staphylococcus-aureus-isolates-in-pastoral-communities-of-rural-south-western-uganda
#19
Benon B Asiimwe, Rossella Baldan, Alberto Trovato, Daniela M Cirillo
BACKGROUND: The emergence of multidrug resistant Staphylococcus aureus strains, including methicillin resistant (MRSA), is a global concern. Treatment of bacterial infections in Uganda's health care settings is largely empirical, rarely accompanied by laboratory confirmation. Here we show the burden, characteristics of MRSA and epidemiology of Panton-Valentine Leukocidin (PVL) positive strains in asymptomatic carriers in pastoral households of south-west Uganda. METHODS: Nasal swabs from 253 participants were cultured following standard methodology...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28030828/methicillin-resistant-staphylococcus-aureus-isolates-in-a-hospital-of-shanghai
#20
Xiaoguang Wang, Lin Ouyang, Lingfei Luo, Jiqian Liu, Chiping Song, Cuizhen Li, Hongjing Yan, Ping Wang
Methicillin-resistant Staphylococcus aureus (MRSA) strains are now common both in the health care setting and in the community. Active surveillance is critical for MRSA control and prevention. Specimens of patients (200 patients with 1119 specimens) as well as medical staff and hospital setting (1000 specimens) were randomly sampled in a level 2 hospital in Shanghai from September 2011 to August 2012. Isolation, cultivation and identification of S. aureus were performed. Totally, 67 S. aureus strains were isolated...
January 24, 2017: Oncotarget
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