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https://www.readbyqxmd.com/read/28324282/recurrent-bowel-blood-translocations-of-escherichia-coli-with-the-unique-virulence-characteristics-over-three-year-period-in-the-patient-with-acute-myeloid-leukaemia-case-report
#1
Beata Krawczyk, Anna Śledzińska, Agnieszka Piekarska, Andrzej Hellmann, Józef Kur
In patients with haematological malignancies, the bowel remains the main source of Escherichia coli bloodstream infections. We present the clinical example of recurrent bowel-blood translocations of E. coli with the unique virulence characteristics in a 55-year-old male with the diagnosis of acute myeloid leukaemia. The virulent factors profile of examined strains confirmed that the co-existence of genes papC, sfa, usp and cnf1, encoding virulence factors, predisposes E. coli to translocation from the gastrointestinal tract to the vascular bed...
March 21, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28323880/randomized-controlled-trials-in-central-vascular-access-devices-a-scoping-review
#2
Mari Takashima, Gillian Ray-Barruel, Amanda Ullman, Samantha Keogh, Claire M Rickard
BACKGROUND: Randomized controlled trials evaluate the effectiveness of interventions for central venous access devices, however, high complication rates remain. Scoping reviews map the available evidence and demonstrate evidence deficiencies to focus ongoing research priorities. METHOD: A scoping review (January 2006-December 2015) of randomized controlled trials evaluating the effectiveness of interventions to improve central venous access device outcomes; including peripherally inserted central catheters, non-tunneled, tunneled and totally implanted venous access catheters...
2017: PloS One
https://www.readbyqxmd.com/read/28323667/central-venous-access-in-children-indications-devices-and-risks
#3
Guillermo Ares, Catherine J Hunter
PURPOSE OF REVIEW: Central venous catheters (CVCs) have a prominent role in the diagnostic and therapy of neonates and children. Herein, we describe the multiple indications for CVC use and the different devices available for central venous access. Given the prevalent use of CVCs, healthcare systems are focused on reducing complications from their use, particularly central line-associated bloodstream infections (CLABSIs). The most up-to-date information available sheds light on best practices and future areas of investigation...
March 18, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28319520/infections-in-patients-with-a-total-artificial-heart-are-common-but-rarely-fatal
#4
Luis F Hidalgo, Keyur B Shah, Richard H Cooke, Daniel G Tang, Vigneshwar Kasirajan, Howard A Cooper, Wilbert S Aronow
Patients who received a total artificial heart (TAH) at Virginia Commonwealth University (VCU) between January 1, 2010 and December 31, 2011 were identified from the VCU Mechanical Circulatory Support Clinical Database. Retrospective data extraction from the medical records was performed from the time of TAH implantation until heart transplantation or death. Infections were classified as confirmed or suspected. Twenty-seven men and 5 women, mean age 49.5 years (range 24 to 68 years) received a TAH. The mean duration of TAH support was 225 days (range 1 to 1334 days)...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28318648/rates-of-central-line-associated-bloodstream-infection-in-tertiary-care-hospitals-in-3-arabian-gulf-countries-6-year-surveillance-study
#5
Hanan H Balkhy, Aiman El-Saed, Seif S Al-Abri, Jameela Alsalman, Huda Alansari, Zaina Al Maskari, Ayman El Gammal, Wafa Al Nasser, Amina AlJardani, Abdulhakeem Althaqafi
The objective of this study was to compare central line-associated bloodstream infection (CLABSI) rates in Gulf Cooperation Council (GCC) states with those of the U.S. National Healthcare Safety Network (NHSN) and International Nosocomial Infection Control Consortium (INICC) using pooled data from 6 hospitals in 3 GCC countries. The overall CLABSI rate was 3.1 per 1,000 central line days. After adjusting for differences in intensive care unit types, the risk of CLABSI in GCC hospitals was 146% higher than NHSN hospitals but 33% lower than INICC hospitals...
March 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28316976/mutagenic-and-cytotoxicity-lqb-123-profile-safety-and-tripanocidal-effect-of-a-phenyl-t-butylnitrone-derivative
#6
Mauricio Peixoto Cupello, Francis Monique Saraiva, Pedro Ippolito, Andréia da Silva Fernandes, Rubem Figueiredo Sadoko Menna-Barreto, Debora de Sousa Dos Santos Costa, Jessica Isis Oliveira Paula, Paulo Roberto Ribeiro Costa, Natália Pereira Nogueira, Israel Felzenswalb, Ayres Guimarães Dias, Marcia Cristina Paes
The therapeutic options for Chagas disease are limited and its treatment presents a number of drawbacks including toxicity, drug resistance, and insufficient effectiveness against the chronic stage of the disease. Therefore, new therapeutical options are mandatory. In the present work, we evaluated the effect of a phenyl-tert-butylnitrone (PBN) derivate, LQB 123, against Trypanosoma cruzi forms. LQB 123 presented a trypanocidal effect against bloodstream trypomastigotes (IC50 = 259.4 ± 6.1 μM) and intracellular amastigotes infecting peritoneal macrophages (IC50 = 188...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28303129/there-is-a-method-to-the-madness-strategies-to-study-host-complement-evasion-by-lyme-disease-and-relapsing-fever-spirochetes
#7
REVIEW
Ashley L Marcinkiewicz, Peter Kraiczy, Yi-Pin Lin
Lyme disease and relapsing fever are caused by various Borrelia species. Lyme disease borreliae, the most common vector-borne pathogens in both the U.S. and Europe, are transmitted by Ixodes ticks and disseminate from the site of tick bites to tissues leading to erythema migrans skin rash, arthritis, carditis, and neuroborreliosis. Relapsing fever borreliae, carried by ticks and lice, trigger reoccurring fever episodes. Following transmission, spirochetes survive in the blood to induce bacteremia at the early stages of infection, which is thought to promote evasion of the host complement system...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28301471/genomic-confirmation-of-vancomycin-resistant-enterococcus-transmission-from-deceased-donor-to-liver-transplant-recipient
#8
Ali Bashir, Oliver Attie, Mitchell Sullivan, Robert Sebra, Kavindra V Singh, Deena Altman, Theodore Pak, Jayeeta Dutta, Kieran Chacko, Elizabeth Webster, Martha Lewis, Camille Hamula, Kristin W Delli Carpini, Barbara E Murray, Andrew Kasarskis, Harm van Bakel, Shirish Huprikar
In a liver transplant recipient with vancomycin-resistant Enterococcus (VRE) surgical site and bloodstream infection, a combination of pulsed-field gel electrophoresis, multilocus sequence typing, and whole genome sequencing identified that donor and recipient VRE isolates were highly similar when compared to time-matched hospital isolates. Comparison of de novo assembled isolate genomes was highly suggestive of transplant transmission rather than hospital-acquired transmission and also identified subtle internal rearrangements between donor and recipient missed by other genomic approaches...
2017: PloS One
https://www.readbyqxmd.com/read/28293420/candidemia-in-a-major-regional-tertiary-referral-hospital-epidemiology-practice-patterns-and-outcomes
#9
Jocelyn Qi-Min Teo, Samuel Rocky Candra, Shannon Jing-Yi Lee, Shannon Yu-Hng Chia, Hui Leck, Ai-Ling Tan, Hui-Peng Neo, Kenneth Wei-Liang Leow, Yiying Cai, Rachel Pui-Lai Ee, Tze-Peng Lim, Winnie Lee, Andrea Lay-Hoon Kwa
BACKGROUND: Candidemia is a common cause of nosocomial bloodstream infections, resulting in high morbidity and mortality. This study was conducted to describe the epidemiology, species distribution, antifungal susceptibility patterns and outcomes of candidemia in a large regional tertiary referral hospital. METHODS: A retrospective surveillance study of patients with candidemia was conducted at Singapore General Hospital between July 2012 and December 2015. In addition, incidence densities and species distribution of candidemia episodes were analysed from 2008 to 2015...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28290130/the-choosing-wisely-initiative-in-infectious-diseases
#10
REVIEW
Clara Lehmann, Reinhard Berner, Johannes R Bogner, Oliver A Cornely, Katja de With, Susanne Herold, Winfried V Kern, Sebastian Lemmen, Mathias W Pletz, Bernhard Ruf, Bernd Salzberger, Hans Jürgen Stellbrink, Norbert Suttorp, Andrew J Ullmann, Gerd Fätkenheuer, Norma Jung
OBJECTIVE: "Choosing Wisely" is a growing international campaign aiming at practice changes to improve patient health and safety by both, conduct of essential and avoidance of unnecessary diagnostic, preventive and therapeutic procedures. The goal is to create an easily recognizable and distributable list ("Choosing Wisely items") that addresses common over- and underuse in the management of infectious diseases. METHODS: The German Society of Infectious Diseases (DGI) participates in the campaign "Klug Entscheiden" by the German Society of Internal Medicine...
March 13, 2017: Infection
https://www.readbyqxmd.com/read/28289815/a-randomized-clinical-trial-of-ultrasound-guided-infra-clavicular-cannulation-of-the-subclavian-vein-in-cardiac-surgical-patients-short-axis-versus-long-axis-approach
#11
Antonella Vezzani, Tullio Manca, Claudia Brusasco, Gregorio Santori, Luca Cantadori, Andrea Ramelli, Gianluca Gonzi, Francesco Nicolini, Tiziano Gherli, Francesco Corradi
PURPOSE: The aim of this study was to compare the success rate and safety of short-axis versus long-axis approaches to ultrasound-guided subclavian vein cannulation. METHODS: A total of 190 patients requiring central venous cannulation following cardiac surgery were randomized to either short-axis or long-axis ultrasound-guided cannulation of the subclavian vein. Each cannulation was performed by anesthesiologists with at least 3 years' experience of ultrasound-guided central vein cannulation (>150 procedures/year, 50% short-axis and 50% long-axis)...
March 13, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28289522/device-associated-infection-rates-mortality-length-of-stay-and-bacterial-resistance-in-intensive-care-units-in-ecuador-international-nosocomial-infection-control-consortium-s-findings
#12
Estuardo Salgado Yepez, Maria M Bovera, Victor D Rosenthal, Hugo A González Flores, Leonardo Pazmiño, Francisco Valencia, Nelly Alquinga, Vanessa Ramirez, Edgar Jara, Miguel Lascano, Veronica Delgado, Cristian Cevallos, Gasdali Santacruz, Cristian Pelaéz, Celso Zaruma, Diego Barahona Pinto
AIM: To report the results of the International Nosocomial Infection Control Consortium (INICC) study conducted in Quito, Ecuador. METHODS: A device-associated healthcare-acquired infection (DA-HAI) prospective surveillance study conducted from October 2013 to January 2015 in 2 adult intensive care units (ICUs) from 2 hospitals using the United States Centers for Disease Control/National Healthcare Safety Network (CDC/NHSN) definitions and INICC methods. RESULTS: We followed 776 ICU patients for 4818 bed-days...
February 26, 2017: World Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28288781/role-of-%C3%AE-naphthylalanine-end-tags-in-the-enhancement-of-antiendotoxin-activities-solution-structure-of-the-antimicrobial-peptide-s1-nal-nal-in-complex-with-lipopolysaccharide
#13
Hui-Yuan Yu, Yi-An Chen, Bak-Sau Yip, Siou-Ying Wang, Hsiu-Ju Wei, Ya-Han Chih, Kuan-Hao Chen, Jya-Wei Cheng
Lipopolysaccharide (LPS, endotoxin) is the major component of Gram-negative bacterial outer surface membrane. LPS released from bacteria into bloodstream during infection may cause serious unwanted stimulation of host's immune system and lead to septic shock of the patient. Recently, we have developed a strategy to increase salt resistance and LPS neutralization of short antimicrobial peptides by adding β-naphthylalanine end-tags to their termini. Herein, correlations between membrane immersion depth, orientation, and antiendotoxin activities of the antimicrobial peptides S1 and S1-Nal-Nal have been investigated via solution structure, paramagnetic resonance enhancement, and saturation transfer difference NMR studies...
March 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28288072/dissecting-leapfrog-how-well-do-leapfrog-safe-practices-scores-correlate-with-hospital-compare-ratings-and-penalties-and-how-much-do-they-matter
#14
Shawna N Smith, Heidi A Reichert, Jessica M Ameling, Jennifer Meddings
BACKGROUND: Voluntary Leapfrog Safe Practices Score (SPS) measures were among the first public reports of hospital performance. Recently, Medicare's Hospital Compare website has reported compulsory measures. Leapfrog's Hospital Safety Score (HSS) grades incorporate SPS and Medicare measures. We evaluate associations between Leapfrog SPS and Medicare measures, and the impact of SPS on HSS grades. METHODS: Using 2013 hospital data, we linked Leapfrog HSS data with central line-associated bloodstream infection (CLABSI) and catheter-associated urinary tract infection (CAUTI) standardized infection ratios (SIRs), and Hospital Readmission and Hospital-Acquired Condition (HAC) Reduction Program penalties incorporating 2013 performance...
March 10, 2017: Medical Care
https://www.readbyqxmd.com/read/28287300/clinical-and-molecular-epidemiology-of-acinetobacter-baumannii-bloodstream-infections-in-an-endemic-setting
#15
Dror Marchaim, Dana Levit, Roy Zigron, Michal Gordon, Tsillia Lazarovitch, Joao A Carrico, Vered Chalifa-Caspi, Jacob Moran-Gilad
AIM: The transmission dynamics of Acinetobacter baumannii in endemic settings, and the relation between microbial properties and patients' clinical outcomes, are yet obscure and hampered by insufficient metadata. METHODS & RESULTS: Of 20 consecutive patients with A. baumannii bloodstream infection that were thoroughly analyzed at a single center, at least one transmission opportunity was evident for 85% of patients. This implies that patient-to-patient transmission is the major mode of A...
March 2017: Future Microbiology
https://www.readbyqxmd.com/read/28285659/candida-albicans-infection-and-intestinal-immunity
#16
REVIEW
Yiqing Tong, Jianguo Tang
Fungal infections cause high rates of morbidity and mortality in intensive care and immunocompromised patients, and can represent a life-threatening disease. As a microorganism commonly found in the intestine, Candida albicans (C. albicans) can invade the gut epithelium barrier via microfold cells and enter the bloodstream. The defensive potential of the intestinal barrier against invasive C. albicans is dependent on innate and adaptive immune responses which enable the host to eliminate pathogenic fungi. The lamina propria layer of the intestine contains numerous immune cells capable of inducing an innate cellular immune response against invasive fungi...
May 2017: Microbiological Research
https://www.readbyqxmd.com/read/28284196/burden-of-bloodstream-infection-in-an-area-of-mid-norway-2002-2013-a-prospective-population-based-observational-study
#17
Arne Mehl, Bjørn Olav Åsvold, Stian Lydersen, Julie Paulsen, Erik Solligård, Jan Kristian Damås, Stig Harthug, Tom-Harald Edna
BACKGROUND: Studies from several countries indicate that the incidence and mortality of bloodstream infection (BSI) have been increasing over time. METHODS: We studied the burden of disease and death related to BSI in a defined geographical area of Mid-Norway, where BSI episodes were prospectively recorded by the same microbiological department during 12 consecutive years. Death from BSI was defined as death within 30 days of BSI detection. Age and sex standardized incidence and mortality rates and case fatality rates were calculated...
March 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28280486/the-resistance-phenotype-and-molecular-epidemiology-of-klebsiella-pneumoniae-in-bloodstream-infections-in-shanghai-china-2012-2015
#18
Shu-Zhen Xiao, Su Wang, Wen-Man Wu, Sheng-Yuan Zhao, Fei-Fei Gu, Yu-Xing Ni, Xiao-Kui Guo, Jie-Ming Qu, Li-Zhong Han
Klebsiella pneumoniae (K.pneumoniae) is a common nosocomial pathogen causing bloodstream infections. Antibiotic susceptibility surveillance and molecular characterization will facilitate prevention and management of K. pneumoniae bloodstream infections. K. pneumoniae isolates causing bloodstream infections were consecutively collected between January 2012 and December 2015 in Shanghai. Eighty isolates (20 per year) were randomly selected and enrolled in this study. Drug susceptibility were determined by the disk diffusion method...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28280485/characterization-of-the-prophage-repertoire-of-african-salmonella-typhimurium-st313-reveals-high-levels-of-spontaneous-induction-of-novel-phage-btp1
#19
Siân V Owen, Nicolas Wenner, Rocío Canals, Angela Makumi, Disa L Hammarlöf, Melita A Gordon, Abram Aertsen, Nicholas A Feasey, Jay C D Hinton
In the past 30 years, Salmonella bloodstream infections have become a significant health problem in sub-Saharan Africa and are responsible for the deaths of an estimated 390,000 people each year. The disease is predominantly caused by a recently described sequence type of Salmonella Typhimurium: ST313, which has a distinctive set of prophage sequences. We have thoroughly characterized the ST313-associated prophages both genetically and experimentally. ST313 representative strain D23580 contains five full-length prophages: BTP1, Gifsy-2(D23580), ST64B(D23580), Gifsy-1(D23580), and BTP5...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28280021/whole-genome-shotgun-sequencing-of-cephalosporin-resistant-salmonella-enterica-serovar-typhi
#20
Camilla Rodrigues, Arti Kapil, Anita Sharma, Naveen Kumar Devanga Ragupathi, Francis Yesurajan Inbanathan, Balaji Veeraraghavan, Gagandeep Kang
Typhoid is one of the leading causes of mortality in developing countries. Here, we report the draft genome sequences of four Salmonella enterica serovar Typhi strains isolated from bloodstream infections in a tertiary care hospital. The sequence data indicate genomes of ~4.5 Mb for all isolates, with one plasmid in each.
March 9, 2017: Genome Announcements
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