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Blood stream infections

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https://www.readbyqxmd.com/read/28713277/does-the-strategy-of-risk-group-testing-for-hepatitis-c-hit-the-target
#1
Mirjana R Jovanovic, Aleksandar Miljatovic, Laslo Puskas, Slobodan Kapor, Dijana L Puskas
In the European Union, it is estimated that there are 5.5 million individuals with chronic infection of hepatitis C. Intravenous drug abuse is undoubtedly the key source of the hepatitis C epidemic in Europe and the most efficient mode of transmission of HCV infections (primarily due to short incubation time, but also because the virus is introduced directly into the blood stream with the infected needle). Potentially high-risk and vulnerable populations in Europe (and the world) include immigrants, prisoners, sex workers, men having sex with men, individuals infected with HIV, psychoactive substance users etc...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28709731/evaluation-of-rapid-phenotypic-identification-and-antimicrobial-susceptibility-testing-in-a-pediatric-oncology-center
#2
J N Brazelton de Cárdenas, Y Su, A Rodriguez, C Hewitt, L Tang, C D Garner, R T Hayden
Identification (ID) and antimicrobial susceptibility testing (AST) remain rate limiting steps in producing actionable data for clinical care of bloodstream infections. Rapid, automated phenotypic ID and AST by fluorescent in situ hybridization and automated microscopy were used to characterize blood stream infections in a predominantly pediatric oncology patient population. Results were compared to standard of care (SOC) phenotypic methods. The Accelerate Pheno System (AXDX) had a sensitivity of 91.2% and an accuracy of 100% to the genus level for identification, and an overall categorical agreement 91...
June 23, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28698779/bacterial-blood-stream-infections-negatively-impact-on-outcome-of-patients-treated-with-allogeneic-stem-cell-transplantation-6-years-single-centre-experience
#3
Michele Malagola, Bendetta Rambaldi, Giuseppe Ravizzola, Chiara Cattaneo, Erika Borlenghi, Nicola Polverelli, Alessandro Turra, Enrico Morello, Cristina Skert, Valeria Cancelli, Federica Cattina, Giorgio Giannetta, Simona Bernardi, Simone Perucca, Camillo Almici, Aldo Roccaro, Liana Signorini, Roberto Stellini, Francesco Castelli, Arnaldo Caruso, Domenico Russo
BACKGROUND: Blood stream infections (BSIs) represent a major complication of allo-SCT and are a major cause of morbidity and mortality during and after bone marrow aplasia. OBJECTIVES: The objective of this study was to describe the incidence and outcome of BSIs in a cohort of patients submitted to allo-SCT, in order to track changes of the epidemiology and bacteria resistance. METHODS: We retrospectively analyzed the microbiological data of 162 patients allotransplanted in Brescia University Hospital, over a period of 6 years...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28697050/transfusion-requirement-in-burn-care-evaluation-tribe-a-multicenter-randomized-prospective-trial-of-blood-transfusion-in-major-burn-injury
#4
Tina L Palmieri, James H Holmes, Brett Arnoldo, Michael Peck, Bruce Potenza, Amalia Cochran, Booker T King, William Dominic, Robert Cartotto, Dhaval Bhavsar, Nathan Kemalyan, Edward Tredget, Francois Stapelberg, David Mozingo, Bruce Friedman, David G Greenhalgh, Sandra L Taylor, Brad H Pollock
OBJECTIVE: Our objective was to compare outcomes of a restrictive to a liberal red cell transfusion strategy in 20% or more total body surface area (TBSA) burn patients. We hypothesized that the restrictive group would have less blood stream infection (BSI), organ dysfunction, and mortality. BACKGROUND: Patients with major burns have major (>1 blood volume) transfusion requirements. Studies suggest that a restrictive blood transfusion strategy is equivalent to a liberal strategy...
July 10, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28687213/prevention-of-central-line-associated-bloodstream-infections
#5
REVIEW
Taison Bell, Naomi P O'Grady
Central venous catheters (CVCs) are commonly used in critically ill patients and offer several advantages to peripheral intravenous access. However, indwelling CVCs have the potential to lead to blood stream infections, with the risk increasing with an array of characteristics such as catheter choice, catheter location, insertion technique, and catheter maintenance. Evidence-based guidelines have led to a significant reduction in the incidence of blood stream infections associated with CVCs. The combination of guideline implementation and newer technologies has the potential to further reduce morbidity and mortality from infections related to CVCs...
July 5, 2017: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/28681820/changing-epidemiology-of-coagulase-negative-staphylococci-in-normal-flora-of-skin
#6
Vikas Gautam, Nandini Sethuraman, Ramanpreet Kaur, Suchet Sachdev, Neelam Marwaha, Pallab Ray
Coagulase negative staphylococci (CoNS) have recently emerged as important pathogens causing nosocomial blood stream infections. To evaluate the prevalence of CoNS in cutaneous normal flora, skin swabs were collected from voluntary blood donors and processed for culture and identification using matrix assisted laser desorption ionisation-time of flight (MALDI-TOF). CoNS were isolated from 96% of blood donors, most commonly Staphylococcus hominis (86%), followed by Staphylococcus epidermidis (22%) and Staphylococcus haemolyticus (9%)...
April 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28681025/candidemia-in-patients-with-prolonged-fever-in-kashan-iran
#7
R Razzaghi, M Momen-Heravi, M Erami, M Nazeri
BACKGROUND AND PURPOSE: Candida species are considered a common cause of fungal blood stream infections, which are associated with considerable mortality and morbidity rates, especially in the admitted and immunocompromised patients. Despite the increase in new and available antifungal agents, the emergence of resistant strains is growing. Regarding this, the aim of the present study was to assess the fungal epide-miology of candidemia and the antifungal susceptibility patterns against five current antifungal agents among the patients with prolonged fever, who were admitted to Beheshti Educational Hospital, Kashan, Iran...
September 2016: Advances in Medical Mycology (Iran)
https://www.readbyqxmd.com/read/28671616/incidence-of-ventilator-associated-pneumonia-in-critically-ill-children-undergoing-mechanical-ventilation-in-pediatric-intensive-care-unit
#8
Ali Amanati, Abdollah Karimi, Alireza Fahimzad, Ahmad Reza Shamshiri, Fatemeh Fallah, Alireza Mahdavi, Mahshid Talebian
BACKGROUND: Among hospital-acquired infections (HAIs) in children, ventilator-associated pneumonia (VAP) is the most common after blood stream infection (BSI). VAP can prolong length of ventilation and hospitalization, increase mortality rate, and directly change a patient's outcome in Pediatric Intensive Care Units (PICU). OBJECTIVES: The research on VAP in children is limited, especially in Iran; therefore, the identification of VAP incidence and mortality rate will be important for both clinical and epidemiological implications...
July 3, 2017: Children
https://www.readbyqxmd.com/read/28669799/comparison-of-dna-extraction-methods-used-to-detect-bacterial-and-yeast-dna-from-spiked-whole-blood-by-real-time-pcr
#9
Libera M Dalla-Costa, Luis G Morello, Danieli Conte, Luciane A Pereira, Jussara K Palmeiro, Altair Ambrosio, Dayane Cardozo, Marco A Krieger, Sonia M Raboni
Sepsis is the leading cause of death in intensive care units (ICUs) worldwide and its diagnosis remains a challenge. Blood culturing is the gold standard technique for blood stream infection (BSI) identification. Molecular tests to detect pathogens in whole blood enable early use of antimicrobials and affect clinical outcomes. Here, using real-time PCR, we evaluated DNA extraction using seven manual and three automated commercially available systems with whole blood samples artificially contaminated with Escherichia coli, Staphylococcus aureus, and Candida albicans, microorganisms commonly associated with BSI...
June 29, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28665466/long-term-clinical-outcomes-of-the-single-incision-technique-for-implantation-of-implantable-venous-access-ports-via-the-axillary-vein
#10
Tae-Seok Seo, Myung Gyu Song, Jun Suk Kim, Chul Won Choi, Jae Hong Seo, Sang Cheul Oh, Eun Joo Kang, Jae-Kwan Lee, Sung-Yong Lee
PURPOSE: To evaluate long-term clinical outcomes and complications of the single-incision technique for implantation of totally implantable venous access ports (TIVAPs) via the axillary vein. MATERIALS AND METHODS: A total of 932 TIVAPs were placed in 927 patients between May 2012 and October 2014 using a single-incision technique. Patients included 620 men and 307 women with a mean age of 60.0 years. TIVAPs were placed via the left (n = 475) and right (n = 457) axillary veins after making a single oblique vertical incision and medial side pocket without subcutaneous tunneling...
June 23, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28663107/prevention-of-central-venous-line-associated-bloodstream-infections-in-adult-intensive-care-units-a-systematic-review
#11
Diana Carolina Velasquez Reyes, Melissa Bloomer, Julia Morphet
BACKGROUND: In adult Intensive Care Units, the complexity of patient treatment requirements make the use of central venous lines essential. Despite the potential benefits central venous lines can have for patients, there is a high risk of bloodstream infection associated with these catheters. AIM: Identify and critique the best available evidence regarding interventions to prevent central venous line associated bloodstream infections in adult intensive care unit patients other than anti-microbial catheters...
June 26, 2017: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/28658091/assessing-estimates-of-patient-safety-derived-from-coded-data
#12
Wazim Narain
The Agency for Healthcare Research and Quality (AHRQ) developed Patient Safety Indicators (PSI) with the goal of detecting and preventing adverse events using administrative data. Use of PSIs to measure safety and quality of care raises questions since they rely heavily on coded data. The goal of this paper is to review literature on AHRQ PSIs, specifically their accuracy in detecting adverse events, and how recent coding changes affect the accuracy of these estimates. The Healthcare Utilization Project (HCUP) National Inpatient Sample (NIS) contains data on more than seven million hospital stays yearly...
July 2017: Journal for Healthcare Quality: Official Publication of the National Association for Healthcare Quality
https://www.readbyqxmd.com/read/28655067/fatal-ulcerative-enteritis-of-the-small-intestine-in-a-patient-with-ulcerative-colitis-treated-with-vedolizumab
#13
Carmen Monasterio, Annette Schmitt-Gräff, Matthias Pohl, Thomas Truschel, Klaus Warnatz, Wolfgang Kreisel, Robert Thimme, Peter Hasselblatt
Vedolizumab (VDZ) inhibits α4β7 integrins and is used to target intestinal immune responses in patients with inflammatory bowel disease, which is considered to be relatively safe. Here we report on a fatal complication following VDZ administration. A 64-year-old female patient with ulcerative colitis (UC) refractory to tumor necrosis factor inhibitors was treated with VDZ. One week after the second VDZ infusion, she was admitted to hospital with severe diarrhea and systemic inflammatory response syndrome (SIRS)...
June 27, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28651859/dwell-time-and-risk-of-central-line-associated-bloodstream-infection-in-neonates
#14
Erica Sanderson, Kee Thai Yeo, Alex Yueping Wang, Ian Callander, Barbara Bajuk, Srinivas Bolisetty, Kei Lui
BACKGROUND: Umbilical venous catheters (UVC) or peripherally inserted central catheters (PICC), commonly used in high risk neonates, may have a threshold dwell time for subsequent increased risk of central line associated blood stream infection (CLABSI). AIM: To evaluate the CLABSI risks in neonates having either UVC, PICC or those having both sequentially. METHODS: Study included 3985 infants who had UVC or PICC inserted between 2007 and 2009 cared for in 10 regional Neonatal Intensive Care Units: 1392 having UVC only (Group 1), 1317 PICC only (Group 2) and 1276 both UVC and PICC (Group 3)...
June 23, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28638380/candida-albicans-yeast-pseudohyphal-and-hyphal-morphogenesis-differentially-affects-immune-recognition
#15
Liliane Mukaremera, Keunsook K Lee, Hector M Mora-Montes, Neil A R Gow
Candida albicans is a human opportunist pathogen that can grow as yeast, pseudohyphae, or true hyphae in vitro and in vivo, depending on environmental conditions. Reversible cellular morphogenesis is an important virulence factor that facilitates invasion of host tissues, escape from phagocytes, and dissemination in the blood stream. The innate immune system is the first line of defense against C. albicans infections and is influenced by recognition of wall components that vary in composition in different morphological forms...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28630688/prevalence-of-antimicrobial-resistant-pathogens-from-blood-cultures-results-from-a-laboratory-based-nationwide-surveillance-in-ghana
#16
Japheth Awuletey Opintan, Mercy Jemima Newman
BACKGROUND: Blood stream infections (BSI) are critical medical conditions with high morbidity and mortality. There is paucity of information on BSI from surveillance studies in Ghana. AIM: This study sought to demonstrate how useful BSI data can be gleaned from population-based surveillance, especially from resource-limited settings. METHODS: Data from a nationwide surveillance of antimicrobial drug resistance (AMR) in Ghana were extracted and analyzed...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28625706/utility-of-acridine-orange-staining-for-detection-of-bacteria-from-positive-blood-cultures
#17
M Neeraja, V Lakshmi, C Padmasri, K Padmaja
The diagnostic performance of AO stain was evaluated for the detection of bacteria and or fungi from positive blood cultures. The sensitivity of Gram stain (GS) was 98.26% while Acridine Orange (AO) stain proved to be more sensitive (100%) with a Positive and Negative Predictive Value of 100% each. The specificity of both the stains was 100%. Overall agreement between the two stains was 98.23% (688/700). The organisms that were missed by GS and positive by AO were Candida species (Sutton, 2006) and Gram negative bacilli (GNB) (Sutton, 2006)...
June 15, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28620648/effect-of-fc-%C3%AE-receptor-polymorphism-on-rituximab-mediated-b-cell-depletion-in-abo-incompatible-adult-living-donor-liver-transplantation
#18
Hiroshi Sakai, Yuka Tanaka, Hirofumi Tazawa, Seiichi Shimizu, Sapana Verma, Masahiro Ohira, Hiroyuki Tahara, Kentaro Ide, Kohei Ishiyama, Tsuyoshi Kobayashi, Takashi Onoe, Hideki Ohdan
BACKGROUND: The affinity of IgG Fc receptor (FcγR) for rituximab, an anti-CD20 IgG1, differs based on single-nucleotide polymorphisms (SNPs) in FcγRs. This study aimed to explore the effect of such SNPs on clinical response to rituximab and outcomes in patients of ABO-incompatible (ABOi) living donor liver transplantation (LDLT). METHODS: SNPs of FCGR2A[131H/R] and FCGR3A[158F/V], alleles encoding FcγR, were identified in 20 patients desensitized with rituximab before ABOi LDLT...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28615078/characterisation-of-roseomonas-mucosa-isolated-from-the-root-canal-of-an-infected-tooth
#19
Nina Diesendorf, Stefanie Köhler, Walter Geißdörfer, Tanja Grobecker-Karl, Matthias Karl, Andreas Burkovski
OBJECTIVE: The genus Roseomonas comprises a group of pink-pigmented, slow-growing, aerobic, non-fermentative Gram-negative bacteria, which have been isolated from environmental sources such as water and soil, but are also associated with human infections. In the study presented here, Roseomonas mucosa was identified for the first time as part of the endodontic microbiota of an infected root canal and characterised in respect to growth, antibiotic susceptibility and biofilm formation. RESULTS: The isolated R...
June 14, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28614386/a-systemic-macrophage-response-is-required-to-contain-a-peripheral-poxvirus-infection
#20
Michael L Davies, Nikhil J Parekh, Lauren W Kaminsky, Chetna Soni, Irene E Reider, Tracy E Krouse, Matthew A Fischer, Nico van Rooijen, Ziaur S M Rahman, Christopher C Norbury
The goal of the innate immune system is to reduce pathogen spread prior to the initiation of an effective adaptive immune response. Following an infection at a peripheral site, virus typically drains through the lymph to the lymph node prior to entering the blood stream and being systemically disseminated. Therefore, there are three distinct spatial checkpoints at which intervention to prevent systemic spread of virus can occur, namely: 1) the site of infection, 2) the draining lymph node via filtration of lymph or 3) the systemic level via organs that filter the blood...
June 2017: PLoS Pathogens
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