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Blood stream infection

Sebastian Rahn, Anna Schuck, Mustafa Kondakci, Rainer Haas, Nicole Neuhausen, Klaus Pfeffer, Birgit Henrich
Fungal infections are recognized in an increasing number of patients with immunological deficits and are associated with high rates of mortality (Brown et al., 2012a). In this pilot-study, a rapid Real time PCR (fuPCR) was designed for the detection and differentiation of fungal pathogens in clinical specimens of haematological patients. The fuPCR, targeting the internal transcribed spacer region 2 (ITS2) of rDNA region, is comprised of seven multiplex reactions, which were shown to be specific and sensitive for a comprehensive spectrum of clinically relevant fungal species...
October 13, 2016: International Journal of Medical Microbiology: IJMM
Sutas Suttiprapa, Gabriel Rinaldi, Isheng J Tsai, Victoria H Mann, Larisa Dubrovsky, Hong-Bin Yan, Nancy Holroyd, Thomas Huckvale, Caroline Durrant, Anna V Protasio, Tatiana Pushkarsky, Sergey Iordanskiy, Matthew Berriman, Michael I Bukrinsky, Paul J Brindley
Schistosomiasis is the most important helminthic disease of humanity in terms of morbidity and mortality. Facile manipulation of schistosomes using lentiviruses would enable advances in functional genomics in these and related neglected tropical diseases pathogens including tapeworms, and including their non-dividing cells. Such approaches have hitherto been unavailable. Blood stream forms of the human blood fluke, Schistosoma mansoni, the causative agent of the hepatointestinal schistosomiasis, were infected with the human HIV-1 isolate NL4-3 pseudotyped with vesicular stomatitis virus glycoprotein...
October 2016: PLoS Pathogens
Rajeev Soman, Neha Gupta, Mitesh Suthar, Jatin Kothari, Alan Almeida, Anjali Shetty, Camilla Rodrigues
BACKGROUND: Central-line-associated blood-stream infection (CLABSI) is a highly consequential nosocomial infection. The most effective management includes the removal of the infected catheter. Retention of the catheter and antibiotic lock therapy (ALT) along with systemic antibiotics may be attempted only if there are unusual extenuating circumstances. CLABSIs due to Gram-negative bacteria (GNB) is more common in our setting and the organisms are often highly resistant. Hence, there is a need to explore the use of novel antimicrobials for catheter lock solutions along with antibiofilm agents...
February 2016: Journal of the Association of Physicians of India
Ilaria Spadoni, Alessandro Pietrelli, Graziano Pesole, Maria Rescigno
It has been widely demonstrated that tolerance against gut microbiota is compartmentalized to mucosal sites where microbes mostly reside. How the commensal bacteria are excluded from the entrance into the blood stream via intestinal capillaries that are located beneath the gut epithelium was not clear. We recently described the existence of a new anatomical structure, the 'gut vascular barrier' (GVB), both in murine and human intestines that plays a fundamental role in avoiding indiscriminate trafficking of bacteria from the gut into the blood circulation...
October 10, 2016: Gut Microbes
Anuradha Basavaraju
Toxoplasma gondii is an obligate intracellular protozoan parasite presenting as a zoonotic infection distributed worldwide. In HIV-positive individuals, it causes severe opportunistic infections, which is of major public health concern as it results in physical and psychological disabilities. In healthy immunocompetent individuals, it causes asymptomatic chronic persistent infections, but in immunosuppressed patients, there is reactivation of the parasite if the CD4 counts fall below 200 cells/μl. The seroprevalence rates are variable in different geographic areas...
July 2016: Tropical Parasitology
Vaishali Gaikwad, Tejash Gohel, Shrijeet Panickar, Vijay Chincholkar, Santosh Mangalkar
INTRODUCTION: Staphylococcus is one of the most common causes of nosocomial infection, especially pneumonia, surgical site infections, blood stream infections, and continues to be a major cause of community-acquired infections. The emergence of penicillin resistance followed by the development and spread of strains resistant to the semisynthetic penicillins such as methicillin, oxacillin and nafcillin, macrolides, tetracycline, and aminoglycosides has made the treatment of staphylococcal infection a global challenge...
October 2016: Indian Journal of Pathology & Microbiology
Francesco Barchiesi, Roberto Montalti, Pamela Castelli, Daniele Nicolini, Silvia Staffolani, Federico Mocchegiani, Alessandro Fiorentini, Esther Manso, Marco Vivarelli
BACKGROUND: Infections remain a leading cause of morbidity and mortality among liver transplant (LT) recipients. The aim of our study was to define the factors associated with outcome of early bacterial and fungal infections in a cohort of patients who underwent LT at the University Hospital of Ancona over a nine year period. METHODS: All consecutive patients who underwent LT in our center were considered. An early infection was defined as occurring in the first month post-transplantation...
October 4, 2016: BMC Infectious Diseases
Katherine L Brown, Christina Pagel, Rhian Brimmell, Kate Bull, Peter Davis, Rodney C Franklin, Aparna Hoskote, Natasha Khan, Warren Rodrigues, Sara Thorne, Liz Smith, Linda Chigaru, Martin Utley, Jo Wray, Victor Tsang, Andrew Mclean
BACKGROUND: Morbidity is defined as a state of being unhealthy or of experiencing an aspect of health that is "generally bad for you", and postoperative morbidity linked to paediatric cardiac surgery encompasses a range of conditions that may impact the patient and are potential targets for quality assurance. METHODS: As part of a wider study, a multi-disciplinary group of professionals aimed to define a list of morbidities linked to paediatric cardiac surgery that was prioritised by a panel reflecting the views of both professionals from a range of disciplines and settings as well as parents and patients...
September 29, 2016: Cardiology in the Young
Stephanie P Schwartz, Kyle J Rehder
Almost two decades ago, the landmark report "To Err is Human" compelled healthcare to address the large numbers of hospitalized patients experiencing preventable harm. Concurrently, it became clear that the rapidly rising cost of healthcare would be unsustainable in the long-term. As a result, quality improvement methodologies initially rooted in other high reliability industries have become a primary focus of healthcare. Multiple pediatric studies demonstrate remarkable quality and safety improvements in several domains including handoffs, catheter associated blood stream infections, and other serious safety events...
September 27, 2016: Pediatric Research
Lynda K Ball, Cheryl A George, Linda Duval, Niloufar Nellie F Hedrick
Introduction Infection in our immunocompromised patients is the second leading cause of death, according to the Centers for Disease Control and Prevention (CDC). In an effort to improve quality of care, engage patients in their own care, and reduce morbidity and mortality secondary to infection, the Network designed a joint quality improvement/patient engagement activity to decrease bloodstream infection (BSI) rates. Methods Dialysis facilities were ranked utilizing 2014 National Healthcare Safety Network (NHSN) data...
October 2016: Hemodialysis International
Jing Shen, Shengru Wu, Wei Guo, Saisai Liang, Xueyuan Li, Xiaojun Yang
Inflammatory response which can be mediated by inflammatory genes, can be induced by pathogenic microorganisms, be associated with enteric diseases and the loss of growth performance in broilers. The understanding of epigenetic regulation of inflammatory genes could help explain the response to infection of microorganisms and inhibit the reaction of inflammation in broilers. This study investigated the effect of histone acetylation by histone deacetylases (HDAC) inhibitors trichostain A (TSA) and DNA methylation by demethylation agent 5-Aza-2'-deoxycytidine (AZA) and methyl donor methionine (Met) and folic acid (FA) on the expression of pro-inflammatory cytokines in lipopolysaccharide (LPS)-stimulated peripheral blood mononuclear cells (PBMC) from healthy broilers...
September 18, 2016: Immunobiology
Florian Hitzenbichler, Michaela Simon, Bernd Salzberger, Frank Hanses
PURPOSE: We retrospectively evaluated blood culture (BC) isolates of coagulase-negative staphylococci other than Staphylococcus epidermidis (NonSe-CoNS) for clinical relevance at a tertiary care hospital in Germany from January 2011 to September 2015. METHODS: Clinical data were correlated to microbiological results based on medical records. Infection was considered likely if (1) no other infection and (2) two or more isolates of the same species were present and (3) symptoms ameliorated after therapy...
September 22, 2016: Infection
Maryam Karkhane, Mohamad Amin Pourhosiengholi, Mohammad Reza Akbariyan Torkabad, Zahra Kimiia, Seyed Mehdi Mortazavi, Seyed Karim Hossieni Aghdam, Abdolrazagh Marzban, Mohammad Reza Zali
So far, too little attention has been paid to total burden of healthcare associated infections (HAIs) in Iran. In the present study, we aimed to assess the rate of HAIs, as well as economic burden of hospitalization and antibiotic related cost associated with HAIs in ICU at training Taleghani hospital in Iran and to compare our results with national nosocomial infections surveillance (NNIS) system. This research to date for the first time has tended to focus on the economic burden of HAIs rather than epidemiology of HAIs evaluation...
2016: Iranian Journal of Pharmaceutical Research: IJPR
Shefali Gupta, Shrikara P Mallya, Ashok Bhat, Shrikala Baliga
INTRODUCTION: Aerobic bacterial infections often complicate vascular access in patients receiving haemodialysis, leading to Catheter-Related Blood Stream Infections (CRBSI). Various studies report Gram - positive bacteria, Staphylococcus aureus (S. aureus) in particular, as the most common aetiologic agent. Studies on microbiological analysis in this subset of population from India are very few. AIM: To examine clinical and bacteriological profiles of haemodialysis patients developing CRBSI, the antibiotic susceptibility of the bacteria isolated from these patients and determine nasal carriage of S...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
Maria H Curlej, Elizabeth Katrancha
In an effort to take advantage of the Highmark Quality Blue Initiative () requiring information from hospitals detailing their central line-associated blood stream infections (CLABSIs) surveillance system, quality improvement program, and statistics regarding the CLABSI events, this institution investigated the latest evidence-based recommendations to reduce CLABSIs. Recognizing the baseline rate of 2.4 CLABSIs per 1,000 central line days and its effect on patient outcomes and medical costs, this hospital made a commitment to improve their CLABSI outcomes...
September 2016: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
Ashley E J Rogers, Kristen M Eisenman, Susan A Dolan, Kristin M Belderson, Jocelyn R Zauche, Suhong Tong, Jane Gralla, Joanne M Hilden, Michael Wang, Kelly W Maloney, Samuel R Dominguez
BACKGROUND: Central line-associated blood stream infections (CLABSIs) are a source of high morbidity and mortality in children with acute myelogenous leukemia (AML). PROCEDURE: To understand the epidemiology and risk factors associated with the development of CLABSI in children with AML. METHODS: We retrospectively reviewed all patients with AML over a 5-year period between 2007 and 2011 at the Children's Hospital Colorado. Cases and controls were classified on the basis of the presence of a CLABSI as defined by the National Healthcare Safety Network...
September 12, 2016: Pediatric Blood & Cancer
Andreas Otto, Dvora Biran, Thomas Sura, Dörte Becher, Eliora Z Ron
Virulent strains of Escherichia coli have become a major cause of infections, especially in hospitals and institutions, and result in high morbidity and mortality, due to the widespread antibiotic resistance. The infections usually start as complications of urinary tract infections or invasive medical procedures. Septicemic bacteria have to go through the blood stream, where they are exposed to a variety of stress conditions. The most difficult of these is the presence of the immune complement, which is strongly bactericidal...
October 2016: Proteomics. Clinical Applications
Wenting Zhao, Qin Pang, Ruixue Xu, Jianwen Liu, Shengfa Liu, Jian Li, Xin-Zhuan Su
Leucocytozoon parasites infect many species of avian hosts, including domestic chicken, and can inflict heavy economic loss on the poultry industry. Two major species of Leucocytozoon parasites have been reported in China, L. sabrazesi and L. caulleryi, although L. sabrazesi appears to be more widespread than L. caulleryi in southern China. The traditional method for detecting Leucocytozoon infection is microscopic examination of blood smears for the presence of mature gametocytes in circulation, which may miss infections with low parasitemia (gametocytemia) or immature gametocytes...
2016: PloS One
Fawzia E Al-Otaibi, Elham E Bukhari, Mona Badr, Abdulkarim A Alrabiaa
OBJECTIVES: To evaluate the epidemiology, risk factors, and antibiotic resistance of Gram negative bacteria (GNB) in patients with hematologic or solid organ malignancies.   METHODS: This is a retrospective study of 61 episodes of GNB bacteremia occurring in 56 patients with malignancy admitted to the Oncology Units in King Khalid University Hospital, Riyadh. Kingdom of Saudi Arabia during the period from January 2013 to October 2015. Data were retrieved from the computerized database of the microbiology laboratory and the patient's medical records...
September 2016: Saudi Medical Journal
Bruna Araujo David, Rafael Machado Rezende, Maísa Mota Antunes, Mônica Morais Santos, Maria Alice Freitas Lopes, Ariane Barros Diniz, Rafaela Vaz Sousa Pereira, Sarah Cozzer Marchesi, Débora Moreira Alvarenga, Brenda Naemi Nakagaki, Alan Moreira Araújo, Daniela Silva Dos Reis, Renata Monti Rocha, Pedro Elias Marques, Woo-Yong Lee, Justin Deniset, Pei Xiong Liew, Stephen Rubino, Laura Cox, Vanessa Pinho, Thiago Mattar Cunha, Gabriel Rocha Fernandes, André Gustavo Oliveira, Mauro Martins Teixeira, Paul Kubes, Gustavo Batista Menezes
BACKGROUND & AIMS: Resident macrophages are derived from yolk sac precursors and seed the liver during embryogenesis. Native cells may be replaced by bone marrow precursors during extensive injuries, irradiation and infections. We investigated the liver populations of myeloid immune cells and their location as well as the dynamics of phagocyte repopulation after full depletion. The effects on liver function due to the substitution of original phagocytes by bone marrow-derived surrogates were also examined...
August 25, 2016: Gastroenterology
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