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Coagulase-negative staphylococci

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https://www.readbyqxmd.com/read/28441365/efficacy-and-safety-of-3-nasal-packing-materials-used-after-functional-endoscopic-sinus-surgery-for-chronic-rhinosinusitis-a-comparative-study-in-china
#1
Xi-Ling Zheng, Yu-Xiang Zhao, Min Xu
BACKGROUND This study aimed to investigate the efficacy and safety of 3 nasal packing products (silicone tube, Beschitin-F, and Aquacel1-Ag) after functional endoscopic sinus surgery (FESS) for chronic rhinosinusitis (CRS) patients in China. MATERIAL AND METHODS Sixty-six CRS patients undergoing FESS surgery were randomly divided into 3 groups (22 patients in each group): the silicone tube group, the Beschitin-F group, and the Aquacel1-Ag group. Postoperative headache, nasal pain, nasal bleeding, and swelling of the nasal mucosa were observed at 1 month after FESS surgery...
April 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28439602/antibiogram-profile-of-septic-meningitis-among-children-in-duhok-iraq
#2
Abdulrahman T Saadi, Nadir A Garjees, Aveen H Rasool
  To determine the prevalence of bacteria in the cerebrospinal fluid (CSF), and the antibiogram profile in pediatric patients with suspected meningitis. Methods: This descriptive study was conducted between January 2014 and January 2016 in the Hevi Paediatric Teaching Hospital in Duhok, Iraq. The CSF samples were withdrawn from 432 pediatric patients suspected of meningitis. The samples were cultured, and antibiotic sensitivity tests were performed.  Results: There were 33 (7.6%) culture positive cases among 432 CSF samples...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28434736/incidence-of-clinical-mastitis-and-distribution-of-pathogens-on-large-chinese-dairy-farms
#3
Jian Gao, Herman W Barkema, Limei Zhang, Gang Liu, Zhaoju Deng, Lingjie Cai, Ruixue Shan, Shiyao Zhang, Jiaqi Zou, John P Kastelic, Bo Han
Knowledge of the incidence of clinical mastitis (CM) and the distribution of pathogens involved is essential for development of prevention and control programs as well as treatment protocols. No country-wide study on the incidence of CM and the distribution of pathogens involved has been conducted in China. Core objectives of this study were, therefore, to determine the cumulative incidence of CM and the distribution of pathogens causing CM on large Chinese (>500 cows) dairy farms. In addition, associations between the distribution of CM pathogens and bedding materials and seasonal factors were also investigated...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434558/resistance-profiles-and-risk-factors-of-resistant-microorganisms-in-bacteraemia-of-abdominal-origin
#4
J Martín Jaramago, R Armero Ibáñez, J J Camarena Miñana, M Morales Suárez-Varela
OBJECTIVE: The presence of resistant microorganisms is a major cause of failure in initial empirical antimicrobial therapy. The objectives of this study are to determine the resistance profile of microorganisms that cause bacteraemia of abdominal origin and to identify whether the previous use of antibiotics and the place of acquisition of bacteraemia are risk factors associated with the presence of resistant organisms. MATERIAL AND METHODS: A clinical, observational, epidemiological, retrospective cohort study was conducted with all the adult patients admitted to a university hospital from 2011-2013...
April 20, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28421643/empiric-antibiotic-regimens-for-neonatal-sepsis-in-australian-and-new-zealand-neonatal-intensive-care-units
#5
Jeremy P Carr, David P Burgner, Rohan S Hardikar, Jim P Buttery
AIM: Neonatal sepsis remains an important cause of morbidity and mortality, and requires prompt empiric treatment. However, only a minority of babies who receive antibiotics for suspected sepsis have an infection. Antimicrobial exposure in infancy has important short- and long-term consequences. There is no consensus regarding empirical antimicrobial regimens. METHODS: The study included a survey of empiric antimicrobial regimens in all tertiary neonatal intensive care units in Australia and New Zealand in 2013-2014...
April 19, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28418807/coagulase-negative-staphylococci-in-human-milk-from-mothers-of-preterm-compared-with-term-neonates
#6
Hiie Soeorg, Tuuli Metsvaht, Imbi Eelmäe, Hanna Kadri Metsvaht, Sirli Treumuth, Mirjam Merila, Mari-Liis Ilmoja, Irja Lutsar
BACKGROUND: Human milk is the preferred nutrition for neonates and a source of bacteria. Research aim: The authors aimed to characterize the molecular epidemiology and genetic content of staphylococci in the human milk of mothers of preterm and term neonates. METHODS: Staphylococci were isolated once per week in the 1st month postpartum from the human milk of mothers of 20 healthy term and 49 preterm neonates hospitalized in the neonatal intensive care unit. Multilocus variable-number tandem-repeats analysis and multilocus sequence typing were used...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28418794/microbial-diversity-in-milk-of-women-with-mastitis-potential-role-of-coagulase-negative-staphylococci-viridans-group-streptococci-and-corynebacteria
#7
Pilar Mediano, Leonides Fernández, Esther Jiménez, Rebeca Arroyo, Irene Espinosa-Martos, Juan M Rodríguez, María Marín
BACKGROUND: Lactational mastitis constitutes a significant cause of premature weaning. However, its etiology, linked to the presence of pathogenic microorganisms, has been scarcely reported. Research aim: The aim of this study was to describe the microbial diversity in milk samples from women suffering from lactational mastitis and to identify more accurately a collection of isolates belonging to coagulase-negative staphylococci, streptococci, and coryneform bacteria. METHODS: This is a cross-sectional descriptive one-group study...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28411059/antibacterial-efficacy-of-silver-nanoparticles-against-multi-drug-resistant-clinical-isolates-from-post-surgical-wound-infections
#8
Muthupandi Kasithevar, Prakash Periakaruppan, Saravanan Muthupandian, Mahalakshmi Mohan
In order to investigate new effective and inexpensive nano-therapeutic approach for P. aeruginosa, staphylococcus aureus and coagulase negative staphylococci (CoNS), the present study reports an eco-friendly process for rapid synthesis of silver nanoparticles (Ag-NPs) using aqueous leaf extract of Corchorus Capsularis (CRCP). Formation of stable Ag-NPs at different time intervals gives mostly spherical particles with diameters ranging from 5 to 45 nm. The resulting Ag-NPs were characterized using Ultraviolet visible (UV-Vis) spectroscopy, Fourier Transform Infrared (FT-IR) spectroscopy, X-Ray Diffraction (XRD) analysis, Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray analysis (EDX)...
April 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28407421/central-venous-catheters-and-biofilms-where-do-we-stand-in-2017
#9
REVIEW
Marie Gominet, Fabrice Compain, Christophe Beloin, David Lebeaux
The use of central venous catheters (CVC) is associated with a risk of microbial colonization and subsequent potentially severe infection. Microbial contamination of the catheter leads to the development of a microbial consortia associated with the CVC surface and embedded in an extracellular matrix, named biofilm. This biofilm provides bacterial cells the ability to survive antimicrobial agents and the host immune system and to disseminate to other sites of the body. The best preventive strategy is to avoid any unnecessary catheterization or to reduce indwelling duration when a CVC is required...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28405808/staphylococcus-lugdunensis-a-neglected-pathogen-of-infections-involving-fracture-fixation-devices
#10
Piseth Seng, Madou Traore, Jean-Philippe Lavigne, Laurence Maulin, Jean-Christophe Lagier, Jean-François Thiery, Pierre-Yves Levy, Pierre-Marie Roger, Eric Bonnet, Albert Sotto, Andreas Stein
PURPOSE: Cases of fracture-fixation device infection involving Staphylococcus lugdunensis are not frequent. The clinical characteristics and the choice of treatment strategies of these infections are not obviously known to date. METHODS: We performed a review of fracture-fixation device infection involving S. lugdunensis managed by our centres. RESULTS: Among the 38 cases of fracture-fixation device infection involving S. lugdunensis, 53% were located in the tibia...
April 12, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28403894/antibiotic-resistant-airborne-bacteria-and-their-multidrug-resistance-pattern-at-university-teaching-referral-hospital-in-south-ethiopia
#11
Fithamlak Bisetegen Solomon, Fiseha Wada Wadilo, Amsalu Amache Arota, Yishak Leka Abraham
BACKGROUND: Hospitals provide a reservoir of microorganisms, many of which are multi-resistant to antibiotics. Emergence of multi-drug resistant strains in a hospital environment, particularly in developing countries is an increasing problem to infection treatment. This study aims at assessing antibiotic resistant airborne bacterial isolates. METHODS: A cross-sectional study was conducted at Wolaita Sodo university teaching and referral Hospital. Indoor air samples were collected by using passive air sampling method...
April 12, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28399999/effects-of-glucose-and-oxygen-on-arginine-metabolism-by-coagulase-negative-staphylococci
#12
María Sánchez Mainar, Fréderick Matheuse, Luc De Vuyst, Frédéric Leroy
Coagulase-negative staphylococci (CNS) are not only part of the desirable microbiota of fermented meat products but also commonly inhabit skin and flesh wounds. Their proliferation depends on the versatility to use energy sources and the adaptation to fluctuating environmental parameters. In this study, the conversion of the amino acid arginine by two strains with arginine deiminase (ADI) activity (Staphylococcus carnosus 833 and S. pasteuri αs3-13) and a strain with nitric oxide synthase (NOS) activity (S...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28386280/bacterial-isolates-and-their-antimicrobial-susceptibility-patterns-of-wound-infections-among-inpatients-and-outpatients-attending-the-university-of-gondar-referral-hospital-northwest-ethiopia
#13
Aynalem Mohammed, Mengistu Endris Seid, Teklay Gebrecherkos, Moges Tiruneh, Feleke Moges
Background. The widespread uses of antibiotics, together with the length of time over which they have been available, have led to the emergence of resistant bacterial pathogens contributing to morbidity and mortality. This study was aimed to assess bacterial isolates and their drug susceptibility patterns from inpatients and outpatients with pus and/or wound discharge. Methods. A cross-sectional study was conducted at the University of Gondar Referral Hospital from March to May, 2014. Wound swab samples were collected from each study participant and inoculated into appropriate media...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/28381743/clinical-characteristics-of-methicillin-resistant-coagulase-negative-staphylococcal-bacteremia-in-a-tertiary-hospital
#14
Koichi Yamada, Hiroki Namikawa, Hiroki Fujimoto, Kiyotaka Nakaie, Etsuko Takizawa, Yasuyo Okada, Akiko Fujita, Hiroyoshi Kawaguchi, Yasutaka Nakamura, Junko Abe, Yukihiro Kaneko, Hiroshi Kakeya
Objective Coagulase-negative staphylococci are among the most frequently isolated microorganisms in blood cultures. The aim of this study was to assess [1] the clinical characteristics of methicillin-resistant, coagulase-negative staphylococci bacteremia and [2] the susceptibility of the isolated bacteria to glycopeptides. Methods We retrospectively reviewed the medical records of 70 patients from whom methicillin-resistant coagulase-negative staphylococci had been isolated at Osaka City University Hospital between January 2010 and December 2013...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28381601/a-novel-multiplex-pcr-assay-for-the-detection-of-chlorhexidine-quaternary-ammonium-mupirocin-and-methicillin-resistance-genes-with-simultaneous-discrimination-of-staphylococcus-aureus-from-coagulase-negative-staphylococci
#15
Jo-Ann McClure, Johanna Zaal DeLongchamp, John M Conly, Kunyan Zhang
Methicillin-resistant Staphylococcus aureus (MRSA) is a clinically significant pathogen resistant to a wide variety of antibiotics and responsible for a large number of nosocomial infections worldwide. The Agency for Healthcare Research and Quality and the Centers for Disease Control and Prevention recently recommended to adopt universal mupirocin/chlorhexidine decolonization of all admitted intensive care unit patients, rather than MRSA screening with targeted treatments, which raises the serious concern about the selection of resistance to mupirocin and chlorhexidine in strains of staphylococci...
April 5, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28377905/host-response-to-staphylococcus-epidermidis-colonization-and-infections
#16
REVIEW
Thuan H Nguyen, Matthew D Park, Michael Otto
The majority of research in the Staphylococcus field has been dedicated to the understanding of Staphylococcus aureus infections. In contrast, there is limited information on infections by coagulase-negative Staphylococci (CoNS) and how the host responds to them. S. epidermidis, a member of the coagulase-negative Staphylococci, is an important commensal organism of the human skin and mucous membranes; and there is emerging evidence of its benefit for human health in fighting off harmful microorganisms. However, S...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28377180/unique-characteristics-of-community-onset-healthcare-associated-bloodstream-infections-a-multi-centre-prospective-surveillance-study-of-bloodstream-infections-in-japan
#17
N Takeshita, I Kawamura, H Kurai, H Araoka, A Yoneyama, T Fujita, Y Ainoda, R Hase, N Hosokawa, H Shimanuki, N Sekiya, N Ohmagari
BACKGROUND: Analysis of bloodstream infections (BSIs) is valuable for their diagnosis, treatment and prevention. However, limited data are available in Japan. AIM: To investigate the characteristics of patients with bacteraemia in Japan. METHODS: This study was conducted in five hospitals from October 2012 to September 2013. Clinical, demographic, microbiological and outcome data for all blood-culture-positive cases were analysed. FINDINGS: In total, 3206 cases of BSI were analysed: 551 community-onset healthcare-associated (CHA)-BSIs, 1891 hospital-acquired (HA)-BSIs and 764 community-acquired (CA)-BSIs...
February 27, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28376426/higher-prevalence-of-coagulase-negative-staphylococci-carriage-among-reclaimed-water-spray-irrigators
#18
Rachel Rosenberg Goldstein, Lara Kleinfelter, Xin He, Shirley A Micallef, Ashish George, Shawn G Gibbs, Amy R Sapkota
Coagulase negative staphylococci (CoNS) are leading causes of nosocomial infections and community-acquired methicillin-resistant CoNS (MRCoNS) infections are increasing. CoNS have been previously detected in reclaimed water. To date, no studies have evaluated the prevalence of CoNS carriage among humans exposed to reclaimed water in the U.S. We examined the prevalence and odds of CoNS and antibiotic-resistant CoNS carriage in spray irrigators exposed to reclaimed water compared to controls. We collected nasal and dermal swab samples from 19 reclaimed water spray irrigation workers (n=96 total samples) and 24 controls (n=92 total samples)...
April 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28372916/oral-therapy-microbiological-findings-and-comorbidity-influence-the-outcome-of-prosthetic-joint-infections-undergoing-2-stage-exchange
#19
Tiziana Ascione, Pasquale Pagliano, Giovanni Balato, Massimo Mariconda, Renato Rotondo, Silvano Esposito
BACKGROUND: The aim of the present study was to investigate potential predictive factors of an unfavorable outcome in patients with prosthetic joint infection (PJI) undergoing 2-stage exchange. METHODS: Patients with PJI undergoing 2-stage exchange and observed over a 5-year period (2009-2013) were included. Cure was defined by the disappearance of infection after a 96-week follow-up period. Statistical analysis was performed using the Mann-Whitney U test, the Fisher exact test, and the multivariate analysis...
March 10, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28367872/detection-method-for-aquatic-bacteria-of-the-fingers-as-a-potential-origin-of-the-aqueous-solution-contamination
#20
Eiichi Osono, Kazumi Honda, Yuki Inoue, Yoshihiko Norose, Megumi Takahashi, Kyoko Ichimura, Chisako Kamano, Eiji Shinya, Shun Takaku, Kentaro Okamatsu, Shinya Kawamoto, Hideaki Takizawa, Hidemi Takahashi
 Aquatic bacteria were isolated from the hands of working staffs by an adapted culture protocol. When the sample solution obtained by the" glove juice method" was incubated for 3 days at room temperature, viable cell counts increased up to 10(5)-fold, and the majority of the isolated colonies were shown to be Gram-negative aquatic bacteria, which carry the risk of contaminating water. Using R2A medium, coagulase-negative staphylococci were the dominant microbes immediately after recovery from the hands. Here it was revealed that bacteria of the phylum Proteobacteria isolated from the hand can be the causative bacteria of aqueous contamination...
2017: Biocontrol Science
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