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https://www.readbyqxmd.com/read/28087454/an-observational-study-of-phagocytes-and-klebsiella-pneumoniae-relationships-different-behaviors
#1
Elodie Maisonneuve, Estelle Cateau, Marion Delouche, Nathalie Quellard, Marie-Helene Rodier
Klebsiella pneumoniae is a bacterium that can be in relation with free living amoebae like Acanthamoeba castellanii in natural environments such as soil and water. This pathogen, which is responsible for community-acquired pneumonia and for nosocomial infections, also has interactions with host defense mechanisms like macrophages. As it has been shown that A. castellanii shares some traits with macrophages, in particular the ability to phagocyte bacteria, we have studied the uptake and the fate of the bacteria after contact with the two phagocytic cells...
January 10, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/28060857/pseudomonas-aeruginosa-ventilator-associated-pneumonia-induces-lung-injury-through-tnf-%C3%AE-c-jun-nh2-terminal-kinase-pathways
#2
Ying-Wei Yang, Yu-Zhen Jiang, Ching-Mei Hsu, Lee-Wei Chen
Ventilator-associated pneumonia (VAP) is a common nosocomial infection among intensive care unit (ICU) patients. Pseudomonas aeruginosa (PA) is the most common multidrug-resistant Gram-negative pathogen and VAP caused by PA carries a high rate of morbidity and mortality. This study examined the molecular mechanism of PA VAP-induced lung injury. C57BL/6 wild-type (WT) mice and JNK1 knockout (JNK1-/-) mice received mechanical ventilation (MV) for 3 h at 2 days after receiving nasal instillation of PA. The WT and JNK1-/- mice also received MV after the induction of lung injury by instillation of supernatants from PA-stimulated alveolar macrophages (AMs)...
2017: PloS One
https://www.readbyqxmd.com/read/28057656/epidemiology-and-control-measures-of-outbreaks-due-to-antibiotic-resistant-organisms-in-europe-embargo-a-systematic-review-protocol
#3
Babu Rajendran Nithya, Beryl Primrose Gladstone, Jesús Rodríguez-Baño, Frangiscos Sifakis, Andreas Voss, Yehuda Carmeli, Francesco Robert Burkert, Panagiota Gkolia, Evelina Tacconelli
INTRODUCTION: Improving our understanding of outbreaks due to antibiotic-resistant bacteria (ARB) and their control is critical in the current public health scenario. The threat of outbreaks due to ARB requires multifaceted efforts. However, a global overview of epidemiological characteristics of outbreaks due to ARB and effective infection control measures is missing. In this paper, we describe the protocol of a systematic review aimed at mapping and characterising the epidemiological aspects of outbreaks due to ARB and infection control measures in European countries...
January 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28054228/polymicrobial-pneumococcal-bacteraemia-a-case-control-study
#4
I Grau, C Ardanuy, M H Schulze, J Liñares, R Pallares
Polymicrobial bacteraemia involving Streptococcus pneumoniae and other bacteria (e.g. Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Haemophilus influenza, viridans streptococci, Salmonella spp.) occurred in 3.4% of our pneumococcal bacteraemia cases. Compared with 308 controls (monomicrobial bacteraemia), the 77 polymicrobial cases included more males (83 vs 62%, p = 0.001), had serious underlying diseases (100 vs 80%, p < 0.001), abdominal infection (18 vs 5%, p < 0.001), nosocomial infection (33 vs 8%, p < 0...
January 4, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28051826/-vap-and-oral-hygiene-a-systematic-review
#5
F Guerra, F De Martino, M Capocci, F Rinaldo, A Mannocci, A De Biase, L Ottolenghi, G La Torre
Ventilator associated pneumonia (VAP) is a common nosocomial infection in intensive care units. International literature showed how the use of professional oral hygiene protocols provide an essential support in VAP prevention. The aim of this study is to provide a systematic and narrative updated review, to further demonstrate that a proper protocol of oral hygiene, in special needs patients, can reduce risk of developing VAP. In this study were analyzed 10 narrative and 3 systematic reviews. Systematic reviews were evaluated with AMSTAR checklist, INSA tool was used to analyze narrative reviews...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28051232/epidemiology-of-nosocomial-infections-about-70-cases
#6
Mohamed Hedfi, Hassen Khouni, Youssra Massoudi, Cherif Abdelhedi, Karim Sassi, Adnen Chouchen
Background - The infections associated with care (IAS) constitute a major public health problem by the morbi- mortality than they generate as well as by their cost to support. The prevention of these infections has become a priority for several years everywhere in the world and in the occurrence in Tunisia. Aim - The purpose of our study is to assess the prevalence of nosocomial infections as well as develop their microbiologic  profiles in the different departments of  the hospital of FSI  Marsa Tunisia and try to highlight the risk factors that can influence these infections Methods - It was a retrospective study about  patients with noscomila infection who were admitted in the different care unit of the Hospital of FSI  Marsa and this on a period of 6 years from 1 January 2009 to 31 December 2014 Results - We have identified seventy(70) patients having contracted a nososcomial infection during the period of study for 24600 hospital admission, with a prevalence rate of 0...
July 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28043580/application-of-highly-portable-minion-nanopore-sequencing-technology-for-the-monitoring-of-nosocomial-tuberculosis-infection
#7
Matthew Bates, Pascal Polepole, Nathan Kapata, Matt Loose, Justin O'Grady
Referral hospitals in sub-Saharan Africa concentrate large numbers of tuberculosis (TB) and multidrug-resistant TB (MDR-TB) patients, failed by community TB services. We have previously shown, from enhanced screening and through autopsy studies, a significant burden of missed TB infections at the University Teaching Hospital, Lusaka, Zambia, with many patients dying or being discharged without treatment. With minimal TB isolation facilities and minimal political will to invest in broader screening and isolation, the risk of nosocomial transmission is likely to be extremely high...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28030371/antibiotic-dosing-for-multidrug-resistant-pathogen-pneumonia
#8
Mohd H Abdul-Aziz, Jeffrey Lipman, Jason A Roberts
PURPOSE OF REVIEW: Nosocomial pneumonia caused by multidrug-resistant pathogens is increasing in the ICU, and these infections are negatively associated with patient outcomes. Optimization of antibiotic dosing has been suggested as a key intervention to improve clinical outcomes in patients with nosocomial pneumonia. This review describes the recent pharmacokinetic/pharmacodynamic data relevant to antibiotic dosing for nosocomial pneumonia caused by multidrug-resistant pathogens. RECENT FINDINGS: Optimal antibiotic treatment is challenging in critically ill patients with nosocomial pneumonia; most dosing guidelines do not consider the altered physiology and illness severity associated with severe lung infections...
December 24, 2016: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28009321/-comparative-analysis-of-antibacterial-effect-of-phytoantibiotics-and-antibiotics
#9
L Akhvlediani, T Koiava, L Lomtadze, M Joxadze, L Msxiladze, D Berashvili, A Bakuridze
The objective of this study was to determine the antibacterial activity of individual medicines and containing sum of the phyto-extracts against the bacteria causing nosocomial infections in compare to antibiotics. In the investigation were involved four strains of gram-negative bacteria Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus and Acinetobacter spp. Each object was investigated on antibiotic resistance using Kirby-Bauer diffusion method on 22 types of antibiotics. The objects of the study were: Sanguinarine, Chelerythrine and Berberine hydrochloride (of lab quality); essential oils and aromatic waters of Eucalyptus, Salvia and Lavanda...
November 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28007847/genome-sequence-of-kp-rio-2015-a-novel-klebsiella-pneumoniae-podoviridae-phage
#10
Guilherme L S Meira, Fabricio S Campos, Julia P Albuquerque, Maulori C Cabral, Sergio E L Fracalanzza, Renata M Campos, Alane B Vermelho, Davis F Ferreira
Klebsiella pneumoniae is a pathogen frequently associated with antibiotic-resistant nosocomial infections. Here, we describe the genome of KP-Rio/2015, a novel phage of K. pneumoniae belonging to the family Podoviridae.
December 22, 2016: Genome Announcements
https://www.readbyqxmd.com/read/28005691/clinical-and-bacterial-risk-factors-for-mortality-in-children-with-carbapenem-resistant-enterobacteriaceae-bloodstream-infections-in-india
#11
Laura E B Nabarro, Chaitra Shankar, Akila Prakasam, Georgekutty Mathew, Visali Jeyaseelan, Balaji Veeraraghavan, Valsan P Verghese
BACKGROUND: Carbapenem-resistant Enterobacteriaceae (CRE) are an increasing cause of nosocomial infection in hospitalized children worldwide. Few studies have investigated risk factors for mortality in children with CRE bloodstream infection (BSI). Data are particularly scarce in areas where NDM and OXA carbapenemases predominate. Here, we investigate mortality rates, clinical and microbiologic risk factors for mortality in 50 pediatric patients with CRBSI in India. METHOD: Children younger than 17 years old with meropenem-resistant Klebsiella pneumoniae or Escherichia coli isolated from blood culture in 2014 and 2015 were identified from laboratory records...
December 21, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28005039/-intrauterine-pneumocystis-infection
#12
E R Samitova, T N Ermak, I E Koltunov, A N Kislyakov, N V Karazhas, T N Rybalkina, M Yu Kornienko
Pneumocystosis is well known as an opportunistic infection that is presently most frequently registered in patients with HIV infection and in those with other immunodeficiency states. Earlier, after the Second World War, Pneumocystis pneumonia was most commonly detected in debilitated and premature children; nosocomial outbreaks of pneumocystosis were studied in detail in the 1960s and 1970s. The pathogen is transmitted through the air, but a number of references indicate that it can be transmitted through the placenta...
2016: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/27998866/-nosocomial-septicemia-in-the-early-stage-after-stem-cell-transplantation-in-children-with-major-%C3%AE-thalassemia
#13
Yan-Jun Xu, Chun-Fu Li, Yue-Lin He, Xiao-Qin Feng, Fu-Yu Pei, Xue-Dong Wu
OBJECTIVE: To explore the clinical characteristics of nosocomial septicemia in the early stage after hematopoietic stem cell transplantation (HSCT) in children with major β-thalassemia. METHODS: The clinical data were retrospectively analyzed of 55 consecutive children with major β-thalassemia who developed septicemia early after HSCT between January, 2011 and June, 2016. RESULTS: Among the total of 416 consecutive children with major β-thalassemia undergoing allogeneic HSCT, the incidence of nosocomial infection early after transplantation was 77...
December 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27986722/detection-of-eskape-bacterial-pathogens-at-the-point-of-care-using-isothermal-dna-based-assays-in-a-portable-de-gas-microfluidic-diagnostic-assay-platform
#14
Lars D Renner, Jindong Zan, Linda I Hu, Manuel Martinez, Pedro J Resto, Adam C Siegel, Clint Torres, Sara B Hall, Tom R Slezak, Tuan H Nguyen, Douglas B Weibel
: An estimated 1.5B microbial infections occur globally each year and result in ∼4.6M deaths. A technology gap associated with commercially available diagnostic tests in remote and underdeveloped regions prevents timely pathogen identification for effective antibiotic chemotherapies for infected patients. The result is a trial-and-error approach that is limited in effectiveness and increases risk for patients while contributing to antimicrobial drug resistance and reduces the lifetime of antibiotics...
December 16, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27979687/legionnaire-s-disease-since-philadelphia-lessons-learned-and-continued-progress
#15
REVIEW
Cheston B Cunha, Burke A Cunha
Legionnaire's disease has been recognized as a cause of severe community-acquired pneumonia (CAP). Legionnaire's disease has characteristic extrapulmonary findings that are the basis for a presumptive clinical diagnosis. The widespread use of Legionella culture, sputum DFA, serology, urinary antigen testing, and polymerase chain reaction have allowed earlier diagnosis of Legionnaire's disease. Excluding common source outbreaks, CAP caused by Legionnaire's disease is manifested as sporadic cases. In contrast, nosocomial Legionnaire's disease occurs in clusters or outbreaks from common Legionella species-contaminated water sources...
December 12, 2016: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/27974589/tigecycline-therapy-in-an-infant-for-ventriculoperitoneal-shunt-meningitis
#16
Melike Emiroglu, Gulsum Alkan, Hatice Turk Dagi
Shunt infections are seen in 3% to 20% of patients who have cerebrospinal fluid (CSF) shunts. Although the staphylococcal species are the most common cause of shunt-related infections, Gram-negative bacteria are increasingly reported with higher mortality rates. Tigecycline, a glycylcycline, is not approved for children. But in the era of nosocomial infections due to multidrug-resistant pathogens, it can be the life-saving option. We report an infant with ventriculoperitoneal shunt-related meningitis treated with a tigecycline combination regimen...
January 2017: Pediatrics
https://www.readbyqxmd.com/read/27974539/nosocomial-outbreak-of-drug-resistant-streptococcus-pneumoniae-serotype-9v-in-an-adult-respiratory-medicine-ward
#17
Elita Jauneikaite, Zareena Khan-Orakzai, Georgia Kapatai, Susannah Bloch, Julie Singleton, Sara Atkin, Victoria Shah, James Hatcher, Dunisha Samarasinghe, Carmen Sheppard, Norman K Fry, Giovanni Satta, Shiranee Sriskandan
Streptococcus pneumoniae infections arising in hospitalized patients are often assumed to be sporadic, and linked to community carriage. Here, whole genome sequencing was used to demonstrate nosocomial acquisition of antimicrobially-resistant ST156-9V S. pneumoniae in 3 respiratory patients resulting in two bacteremias and one lower respiratory tract infection. Two of the cases arose in patients who had recently been discharged from hospital and were re-admitted from the community. Nosocomial spread was suspected solely because of a highly unusual resistance pattern and case presentations within 24h of one another...
December 14, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27974412/clinical-and-pathophysiological-overview-of-acinetobacter-infections-a-century-of-challenges
#18
REVIEW
Darren Wong, Travis B Nielsen, Robert A Bonomo, Paul Pantapalangkoor, Brian Luna, Brad Spellberg
SUMMARYAcinetobacter is a complex genus, and historically, there has been confusion about the existence of multiple species. The species commonly cause nosocomial infections, predominantly aspiration pneumonia and catheter-associated bacteremia, but can also cause soft tissue and urinary tract infections. Community-acquired infections by Acinetobacter spp. are increasingly reported. Transmission of Acinetobacter and subsequent disease is facilitated by the organism's environmental tenacity, resistance to desiccation, and evasion of host immunity...
January 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/27973082/validation-of-a-novel-tool-to-predict-outcomes-in-patients-with-nosocomial-pneumonia
#19
M Srinivasan, S Gadekari, N Shetty, K Vijayanarayana, G Thunga, N K Rao
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27965626/high-prevalence-of-gut-microbiota-colonization-with-broad-spectrum-cephalosporin-resistant-enterobacteriaceae-in-a-tunisian-intensive-care-unit
#20
Elaa Maamar, Sana Ferjani, Ali Jendoubi, Samia Hammami, Zaineb Hamzaoui, Laure Mayonnove-Coulange, Mabrouka Saidani, Aouatef Kammoun, Amel Rehaiem, Salma Ghedira, Mohamed Houissa, Ilhem Boutiba-Ben Boubaker, Amine Slim, Veronique Dubois
Healthcare-associated infections due to cefotaxime-resistant (CTX-R) Enterobacteriaceae have become a major public health threat, especially in intensive care units (ICUs). Often acquired nosocomially, CTX-R Enterobacteriaceae can be introduced initially by patients at admission. This study aimed to determine the prevalence and genetic characteristics of CTX-R Enterobacteriaceae-intestinal carriage in ICU patients, to evaluate the rate of acquisition of these organisms during hospitalization, and to explore some of the associated risk factors for both carriage and acquisition...
2016: Frontiers in Microbiology
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