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infection bloodstream

Marthie M Ehlers, Wilhelmina Strasheim, Michelle Lowe, Veronica Ueckermann, Marleen M Kock
Staphylococcus epidermidis is one of the most prevalent pathogens implicated in catheter-related bloodstream infections (CRBSI) at an academic hospital in Pretoria, South Africa. Little is known about the clonality and the prevalence of antibiotic resistance and virulence genes in S. epidermidis (e.g., ica AB, IS 256, mec A, and qac A/B). A total of 508 intravascular catheters (IVCs) from 331 patients were submitted for culture from May to October 2013. Only 50% ( n = 253/508) of the IVCs were accompanied by blood cultures (BCs) taken within 48 h...
2018: Frontiers in Microbiology
Wasl Al-Adsani, Ali Ahmad, Mohammad Al-Mousa
Background: Brucellosis is a bacterial infection, caused by the nonmotile gram-negative aerobic coccobacilli. The clinical manifestation of brucellosis is variable, ranging from mild disease to severe disease. The gold standard test to confirm the diagnosis of brucellosis is assaying blood, bone marrow, or other body fluids or by tissue culture. Preferred first-line treatment in adults with uncomplicated, nonlocalized disease consists of doxycycline-aminoglycoside combination. The recommended duration of treatment is 6 weeks...
2018: Infection and Drug Resistance
M Chen, J L Zhuang, M H Duan, W Zhang, J Li, T N Zhu, H C Cai, X X Cao, J Feng, C Yang, Y Zhang, L Zhang, D B Zhou, B Han
Objective: To Evaluate the efficacy and safety of posaconazole as primary prevention of invasive fungal disease (IFD) in patients with severe aplastic anemia (SAA) treated with anti-thymus/lymphocyte immunoglobulin (ATG/ALG) combined with cyclosporine intensive immunosuppressive therapy (IST). Methods: A retrospective analysis of clinical data of 58 SAA patients who received IST of anti-thymocyte immunoglobulin combining cyclosporine and antifungal prophylaxis during April 2013 to May 2017 in Peking Union Medical College Hospital was performed...
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Chelsea Balian, Michelle Garcia, Jessica Ward
BACKGROUND: Bloodstream infections (BSIs) are a leading cause of morbidity and mortality in children undergoing hematopoietic stem cell transplant (HSCT). Indwelling central venous catheters (CVCs) increase risk for BSIs, yet mucosal barrier injury-associated laboratory-confirmed bloodstream infection (MBI-LCBI) may also occur due to translocation of pathogenic organisms from the gastrointestinal tract into the bloodstream. The purpose of this study was to determine the association between stool organisms and BSIs in children with CVCs who underwent HSCT...
March 1, 2018: Journal of Pediatric Oncology Nursing: Official Journal of the Association of Pediatric Oncology Nurses
Omer Karasahin, Zıya Yildiz, Onur Unal, Umit Arslan
We report a case of infective endocarditis secondary to healthcare-associated bloodstream infection caused by an uncommon etiologic agent, multidrug-resistant Enterobacter cloacae . The patient was treated with a combination of antimicrobial therapy and surgery, but could not be saved. With this case, we discuss the prevalence, risk factors, treatment options, and outcomes of the rarely encountered Enterobacter cloacae -associated infective endocarditis.
2018: IDCases
George R Wendt, Julie Nr Collins, Jimin Pei, Mark S Pearson, Hayley M Bennett, Alex Loukas, Matthew Berriman, Nick V Grishin, James J Collins
Schistosomes infect more than 200 million people. These parasitic flatworms rely on a syncytial outer-coat called the tegument to survive within the vasculature of their host. Although the tegument is pivotal for their survival, little is known about maintenance of this tissue during the decades schistosomes survive in the bloodstream. Here, we demonstrate that the tegument relies on stem cells (neoblasts) to specify fusogenic progenitors that replace tegumental cells lost to turnover. Molecular characterization of neoblasts and tegumental progenitors led to the discovery of two flatworm-specific zinc finger proteins that are essential for tegumental cell specification...
March 20, 2018: ELife
Amelia K Sofjan, Benjamin O Casey, Boxin A Xu, Jonathan Amadio, Alejandro Restrepo, M Jahangir Alam, Kevin W Garey
BACKGROUND: The Accelerate PhenoTestTM BC kit (AXDX) provides rapid organism identification (ID) and antimicrobial susceptibility testing (AST) results. Its potential role for antimicrobial stewardship is unknown. OBJECTIVE: To compare the diagnostic accuracy of AXDX with conventional methods (CMs) and assess AXDX's potential role for antimicrobial stewardship in patients with Gram-positive bloodstream infections (BSIs). METHODS: This retrospective cohort study included adults with Staphylococcus aureus or Enterococcus spp BSIs from July 2014 to January 2016 at a tertiary care medical center...
March 1, 2018: Annals of Pharmacotherapy
Ulrike Binsker, Raghavendra Palankar, Jan Wesche, Thomas P Kohler, Josephine Prucha, Gerhard Burchhardt, Manfred Rohde, Frank Schmidt, Barbara M Bröker, Uwe Mamat, Jan Pané-Farré, Anica Graf, Patrick Ebner, Andreas Greinacher, Sven Hammerschmidt
Staphylococcus aureus can cause bloodstream infections associated with infective endocarditis (IE) and disseminated intravascular coagulopathy (DIC). Both complications involve platelets. In view of an increasing number of antibiotic-resistant strains, new approaches to control systemic S. aureus infection are gaining importance. Using a repertoire of 52 recombinant S. aureus proteins in flow cytometry-based platelet activation and aggregation assays, we identified, in addition to the extracellular adherence protein Eap, three secreted staphylococcal proteins as novel platelet activating proteins...
March 19, 2018: Thrombosis and Haemostasis
Gülçin Özalp Gerçeker, Seda Ardahan Sevgili, Figen Yardımcı
PURPOSE: To compare standardized flushing methods with aseptic non-touch technique; (1) Manually prepared syringes (2) Single-use prefilled flush syringes. METHOD: Forty-eight PHO patients with Hickman or Port catheters were recruited to participate in a prospective, randomized study. Standardized flushing methods with aseptic non-touch technique (ANTT) using single-use pre-filled flush syringes (intervention group) or manually prepared syringes (control group) also included the pulsatile technique, use of 10-mL syringe size with 0...
April 2018: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
X Chen, J L Wei, Y Huang, E L Jiang, Q L Ma, W H Zhai, Y He, R L Zhang, D L Yang, J F Yao, G X Zhang, S Z Feng, M Z Han
Objective: To compare eficacy and safety of porcine antihuman lymphocyte immunoglobulin (pALG) and rabbit antithymocyte immunoglobulin (rATG) as a part of alternative donor allogeneic hematopoietic stem cell transplantation (AD allo-HSCT) for severe aplastic anemia (SAA). Methods: The clinical data of 46 SAA patients received AD allo-HSCT from January 2006 to November 2016 were retrospectively analyzed. The cohort of patients were divided into two groups based on rATG or pALG as a part of conditioning regimen to compare implantation rate, transplantation related complications and outcome...
January 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Matthew Eisenberg, Michael C Monuteaux, Gillian Fell, Vera Goldberg, Mark Puder, Joel Hudgins
OBJECTIVES: To determine which factors confer the greatest risk of central line-associated bloodstream infection (CLABSI) in children with intestinal failure and fever presenting to an emergency department (ED), and to assess whether a low-risk group exists that may not require the standard treatment of admission for 48 hours on intravenous antibiotics pending culture results. STUDY DESIGN: This retrospective cohort study included children with intestinal failure and fever presenting to an ED over a 6-year period...
March 14, 2018: Journal of Pediatrics
Grzegorz Ziółkowski, Iwona Pawłowska, Lech Krawczyk, Jadwiga Wojkowska-Mach
BACKGROUND: Acinetobacter baumannii strains are currently the most commonly isolated non-fermenting rods at Polish intensive care units (ICUs), and they are the dominant aetiological agents of pneumonia. This study aimed to evaluate the prevalence of A. baumannii isolated from patients who were hospitalised at Sosnowiec Hospital's ICU. We also investigated the drug sensitivity of A. baumannii in relation to antibiotic consumption expressed as the defined daily dose (DDD) and Clostridium difficile infection (CDI)...
March 13, 2018: Journal of Infection and Public Health
Payal K Patel, M Todd Greene, Mary A M Rogers, David Ratz, Latoya Kuhn, Jennifer Davis, Sanjay Saint
BACKGROUND: Hospital-acquired urinary tract-related bloodstream infections are rare but often lethal. Recent epidemiology of this condition among the United States veteran population is poorly described. METHODS: We conducted a retrospective review of hospital-acquired urinary tract-related bloodstream infections of adult inpatients admitted to 4 Veterans Affairs hospitals over 15 years. Electronic medical records were used to obtain clinical, demographic, and microbiologic information...
March 13, 2018: American Journal of Infection Control
John Klein, Amelia Jepsen, Amy Patterson, Richard R Reich, Tina M Mason
BACKGROUND: Patients undergoing blood and marrow transplantation (BMT) use a central venous catheter (CVC); heparin is often employed to maintain patency but may increase the risk of complications. Research has not provided conclusive differences in efficacy and safety regarding heparin flushing versus normal saline flushing in CVC maintenance. Minimal research is specific to this patient population. OBJECTIVES: This study aimed to determine if differences exist in CVC patency, tissue plasminogen activator usage, and the incidence of central line-associated bloodstream infections when flushing with normal saline only versus heparin and normal saline among patients undergoing BMT...
April 1, 2018: Clinical Journal of Oncology Nursing
Xiqi Li, Cesar A Arias, Samuel L Aitken, Jessica Galloway Peña, Diana Panesso, Michael Chang, Lorena Diaz, Rafael Rios, Yazan Numan, Sammi Ghaoui, Sruti DebRoy, Micah M Bhatti, Dawn E Simmons, Isaam Raad, Ray Hachem, Stephanie A Folan, Pranoti Sahasarabhojane, Awdhesh Kalia, Samuel A Shelburne
Background: Pathobionts, bacteria that are typically human commensals but can cause disease, contribute significantly to antimicrobial resistance. Staphylococcus epidermidis is a prototypical pathobiont as it is a ubiquitous human commensal but also a leading cause of healthcare-associated bacteremia. We sought to determine the etiology of a recent increase in invasive S. epidermidis isolates resistant to linezolid. Methods: Whole-genome sequencing (WGS) was performed on 176 S...
March 12, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Hassan Al Moussawi, Michael Krzyzak, Zainab Awada, Jean M Chalhoub
A brain abscess is defined as a focal intracerebral infection consisting of an encapsulated collection of pus, which can be a life-threatening complication of infections, trauma, or surgery. While immunocompromised patients can have a wide array of causative organisms, bacterial species represent the most common etiology in immunocompetent individuals. The incidence of brain abscesses ranges from 0.4 to 0.9 per 100,000, with a high predisposition among immunocompromised patients and in those with disruption of the blood-brain barrier...
January 13, 2018: Curēus
Natalia Anahí Juiz, Irma Torrejón, Marianela Burgos, Ana María Fernanda Torres, Tomás Duffy, Nelly Melina Cayo, Anahí Tabasco, Miriam Salvo, Silvia Andrea Longhi, Alejandro Gabriel Schijman
Infection with Trypanosoma cruzi in women at reproductive age is associated with congenital transmission and adverse pregnancy outcome. The placenta is a key barrier to infection. We characterized gene expression profiles of term placental environment from T. cruzi seropositive (SP) and seronegative (SN) mothers performing RNA-seq. Nine pools of placental RNA paired samples were used: three from SN and six from SP tissues. Each pool consisted of female/male newborns and vaginal/caesarean deliveries binomials...
March 12, 2018: American Journal of Pathology
Sami M Aloush, Faris A Alsaraireh
OBJECTIVE:  To assess nurses' compliance with central line associated bloodstream infection (CLABSI) prevention guidelines related to maintenance of the central line and the predictors of compliance. Method: This was an observational study that used a descriptive cross-sectional design. A sample of 171 intensive care unit (ICU) nurses were observed and their compliance was recorded on a structured observational sheet. The study was conducted in the ICUs of 15 hospitals located in 5 cities in Jordan...
March 2018: Saudi Medical Journal
Salvatore Mandolfo, Milena Maggio, Chiara Ronga, Adriano Anesi, Vanina Rognoni
No abstract text is available yet for this article.
March 1, 2018: Journal of Vascular Access
Marina Rovani Drummond, Bruno Grosselli Lania, Pedro Paulo Vissoto de Paiva Diniz, Rovilson Gilioli, Daniele Masselli Rodrigues Demolin, Diana Gerardi Scorpio, Edward B Breitschwerdt, Paulo Eduardo Neves Ferreira Velho
Bartonella spp. constitute bacteria of worldwide distribution that cause asymptomatic to fatal infections in animals and humans. The most common zoonotic species is Bartonella henselae , for which cats are the major natural reservoir host. To better understand Bartonella sp. diagnostic limitations, we determined the frequency of bloodstream infection in 112 cats by comparing and combining the results of multiple conventional and nested PCRs from blood and liquid culture samples. Using liquid culture conventional PCR, Bartonella sp...
March 14, 2018: Journal of Clinical Microbiology
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