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https://www.readbyqxmd.com/read/28338249/epidemiology-species-distribution-clinical-characteristics-and-mortality-of-candidaemia-in-a-tertiary-care-university-hospital-in-turkey-2007-2014
#1
Ayşegül Yeşilkaya, Özlem Azap, Mehtap Aydın, Mehtap Akçil Ok
Candidaemia still continues to be a serious medical concern and the epidemiology of candidaemia varies according to geographical areas. We aim to determine the incidence, local epidemiology, Candida species distribution and crude mortality rates of candidaemia. We retrospectively evaluated candidaemia episodes in between January 2007 and August 2014. We compared demographic, clinical, microbiological findings and mortality rates of episodes caused by Candida albicans and non-albicans Candida species. Overall the candidaemia incidences were 1...
March 24, 2017: Mycoses
https://www.readbyqxmd.com/read/28337607/phenotypic-changes-of-methicillin-resistant-staphylococcus-aureus-during-vancomycin-therapy-for-persistent-bacteraemia-and-related-clinical-outcome
#2
T Kim, E S Kim, S Y Park, H Sung, M-N Kim, S-H Kim, S-O Lee, S-H Choi, J-Y Jeong, J H Woo, Y P Chong, Y S Kim
Persistent bacteraemia (PB) due to methicillin-resistant Staphylococcus aureus (MRSA) that fails to respond to glycopeptide therapy is a well-documented clinical problem. There are limited data on changes in agr functionality, vancomycin susceptibility and heteroresistance during MRSA PB. Thus, the frequency of these changes and their clinical significance remain unclear. Only patients with MRSA PB (≥7 days) from a prospective cohort of S. aureus bacteraemia were included. We collected isogenic paired strains and compared vancomycin MIC, vancomycin heteroresistance, and agr functionality between initial and final blood isolates...
March 23, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28333330/genomic-landscape-of-extended-spectrum-%C3%AE-lactamase-resistance-in-escherichia-coli-from-an-urban-african-setting
#3
Patrick Musicha, Nicholas A Feasey, Amy K Cain, Teemu Kallonen, Chrispin Chaguza, Chikondi Peno, Margaret Khonga, Sarah Thompson, Katherine J Gray, Alison E Mather, Robert S Heyderman, Dean B Everett, Nicholas R Thomson, Chisomo L Msefula
Objectives: Efforts to treat Escherichia coli infections are increasingly being compromised by the rapid, global spread of antimicrobial resistance (AMR). Whilst AMR in E. coli has been extensively investigated in resource-rich settings, in sub-Saharan Africa molecular patterns of AMR are not well described. In this study, we have begun to explore the population structure and molecular determinants of AMR amongst E. coli isolates from Malawi. Methods: Ninety-four E...
March 5, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28330602/the-pneumococcal-alpha-glycerophosphate-oxidase-enhances-nasopharyngeal-colonization-through-binding-to-host-glycoconjugates
#4
Layla K Mahdi, Melanie A Higgins, Christopher J Day, Joe Tiralongo, Lauren E Hartley-Tassell, Michael P Jennings, David L Gordon, Adrienne W Paton, James C Paton, Abiodun D Ogunniyi
Streptococcus pneumoniae (the pneumococcus) is a major human pathogen, causing a broad spectrum of diseases including otitis media, pneumonia, bacteraemia and meningitis. Here we examined the role of a potential pneumococcal meningitis vaccine antigen, alpha-glycerophosphate oxidase (SpGlpO), in nasopharyngeal colonization. We found that serotype 4 and serotype 6A strains deficient in SpGlpO have significantly reduced capacity to colonize the nasopharynx of mice, and were significantly defective in adherence to human nasopharyngeal carcinoma cells in vitro...
March 3, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28315452/comparing-the-therapeutic-efficacies-of-third-generation-cephalosporins-and-broader-spectrum-%C3%AE-lactams-as-appropriate-empirical-therapy-in-adults-with-community-onset-monomicrobial-enterobacteriaceae-bacteraemia-a-propensity-score-matched-analysis
#5
Chung-Hsun Lee, Chih-Chia Hsieh, Ming-Yuan Hong, Yuan-Pin Hung, Wen-Chien Ko, Ching-Chi Lee
In this study, the therapeutic efficacy of third-generation cephalosporins (3GCs) was compared with that of broader-spectrum β-lactams (BSBLs) [fourth-generation cephalosporins (4GCs) and carbapenems] as empirical therapy in adults with community-onset monomicrobial Enterobacteriaceae bacteraemia. Compared with those in the 3GC group (n = 477), a significantly higher proportion of patients in the BSBL group (n = 141) had initial presentation with severe sepsis or septic shock, critical illness (Pitt bacteraemia score ≥4) at bacteraemia onset and fatal co-morbidities (McCabe classification)...
March 14, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28303476/a-review-of-clinical-cases-of-infection-with-photorhabdus-asymbiotica
#6
John G Gerrard, Robert P Stevens
The three recognised Photorhabdus species are bioluminescent Gram-negative bacilli of the family Enterobacteriaceae. They are all pathogenic to insects and form a symbiotic relationship with nematodes of the genus Heterorhabditis. P. luminescens and P. temperata are both harmless to humans whilst P. asymbiotica, on the other hand, is a human pathogen that is a symbiont of the newly described nematode vector, Heterorhabditis gerrardi. In this chapter, we review the epidemiological and clinical features of eighteen human cases of P...
March 17, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28293958/successful-salvage-treatment-of-native-valve-enterococcus-faecalis-infective-endocarditis-with-telavancin-two-case-reports
#7
Mickala M Thompson, Ali Hassoun
Infective endocarditis (IE) one-year mortality rates approach 40%. Here, we report two native valve Enterococcus faecalis IE cases in patients successfully treated with telavancin. An 88-year-old with mitral valve endocarditis and a penicillin allergy, initially treated with intravenous vancomycin, was switched to telavancin. A 69-year-old, who previously received amoxicillin and intravenous vancomycin for presumed enterococcal bacteraemia, was diagnosed with dual valve endocarditis for which he received telavancin...
March 15, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28289047/are-patients-with-cancer-with-sepsis-and-bacteraemia-at-a-higher-risk-of-mortality-a-retrospective-chart-review-of-patients-presenting-to-a-tertiary-care-centre-in-lebanon
#8
Gilbert Abou Dagher, Christopher El Khuri, Ahel Al-Hajj Chehadeh, Ali Chami, Rana Bachir, Dina Zebian, Ralphe Bou Chebl
OBJECTIVE: Most sepsis studies have looked at the general population. The aim of this study is to report on the characteristics, treatment and hospital mortality of patients with cancer diagnosed with sepsis or septic shock. SETTING: A single-centre retrospective study at a tertiary care centre looking at patients with cancer who presented to our tertiary hospital with sepsis, septic shock or bacteraemia between 2010 and 2015. PARTICIPANTS: 176 patients with cancer were compared with 176 cancer-free controls...
March 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28288638/aggregatibacter-actinomycetemcomitans-osteomyelitis-in-a-12%C3%A2-year-old-boy-case-report-emphasizing-the-importance-of-tissue-culture-and-review-of-literature
#9
Ketaki Sharma, Poonam Mudgil, John S Whitehall, Iain Gosbell
BACKGROUND: Aggregatibacter actinomycetemcomitans most commonly causes periodontitis but has been reported to infect heart valves, soft tissue, brain and lungs, and distal bones. Osteomyelitis distal to the jaw is rarely described. CASE PRESENTATION: We report an unusual and rare case of chronic osteomyelitis caused by A. actinomycetemcomitans in the toe of a paediatric patient, and review the available literature. The infection was managed with intravenous antibiotics followed by oral antibiotics...
March 14, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28279787/implementation-of-a-cefazolin-based-stewardship-pathway-for-methicillin-susceptible-staphylococcus-aureus-bloodstream-infections-paired-with-infectious-diseases-consultation
#10
Benjamin J Lee, Sonia N Rao, Sheila K Wang, Jane Y Lee, Irfana Y Lakada, Elise M Gilbert, Viktorija O Barr, Michael J Postelnick, Sarah H Sutton, Teresa R Zembower, Maureen Bolon, Marc H Scheetz, Nathaniel J Rhodes
Methicillin-susceptible Staphylococcus aureus (MSSA) infections have been successfully treated both with cefazolin and antistaphylococcal penicillins; cefazolin appears effective in MSSA bloodstream infections (BSIs). Thus, our antimicrobial stewardship programme (ASP) implemented a clinical pathway supporting cefazolin use in MSSA-BSIs and restricting oxacillin use to infectious diseases (ID) consultation due to cefazolin's lower cost and more convenient dosing. This before and after quasi-experimental study was conducted to describe the impact on outcomes and process of care measures associated with implementing this pathway among patients with MSSA-BSI...
March 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28279672/erratum-to-predominance-of-healthcare-associated-cases-among-episodes-of-community-onset-bacteraemia-due-to-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-international-journal-of-antimicrobial-agents-49-1-67-73
#11
Jean-Ralph Zahar, Philippe Lesprit, Stephane Ruckly, Aurelia Eden, Hitoto Hikombo, Louis Bernard, Stephan Harbarth, Jean-Francois Timsit, Christian Brun-Buisson
No abstract text is available yet for this article.
March 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28278252/complement-inhibition-by-sarcoptes-scabiei-protects-streptococcus-pyogenes-an-in-vitro-study-to-unravel-the-molecular-mechanisms-behind-the-poorly-understood-predilection-of-s-pyogenes-to-infect-mite-induced-skin-lesions
#12
Pearl M Swe, Lindsay D Christian, Hieng C Lu, Kadaba S Sriprakash, Katja Fischer
BACKGROUND: On a global scale scabies is one of the most common dermatological conditions, imposing a considerable economic burden on individuals, communities and health systems. There is substantial epidemiological evidence that in tropical regions scabies is often causing pyoderma and subsequently serious illness due to invasion by opportunistic bacteria. The health burden due to complicated scabies causing cellulitis, bacteraemia and sepsis, heart and kidney diseases in resource-poor communities is extreme...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28276804/screening-for-early-onset-invasive-group-b-streptococcal-disease-in-neonates-in-an-irish-hospital-2001-2014-a-retrospective-audit
#13
Maryke Nielsen, Naveed Sheikh, Eoin Fitzgerald, Mary Meehan, David LeBlanc, Maeve Eogan, Afif El-Khuffash, Richard J Drew
Group B Streptococcus (GBS) is the most common cause of early-onset neonatal sepsis and meningitis. In babies with no clinical suspicion of infection, who are at risk of early-onset invasive disease based on maternal risk factors, blood cultures are taken to detect bacteraemia. In our institution, lumbar punctures are performed in infants with clinical signs of sepsis but not in infants who are well at the time of screening. Between 2001 and 2014, there were 112,361 live births weighing >500 g, of whom 13,959 (12...
February 6, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28276227/-usefulness-of-biomarkers-to-predict-bacteraemia-in-patients-with-infection-in-the-emergency-department
#14
REVIEW
A Julián-Jiménez, F J Candel, J González-Del Castillo
Between all patients attended in the Emergency Department (ED), 14.3% have an infectious disease diagnosis. Blood cultures (BC) are obtained in 14.6% of patients and have a profitability of 20%, whereas 1% are considered as contaminated and 1-3% of positive cultures correspond to discharge patients ("hidden bacteraemia"). The highest number of confirmed bacteraemias comes from the samples of patients with urinary tract infections, followed by community-acquired pneumonia. The suspicion and detection of bacteraemia have an important diagnostic and prognostic significance and could modify some important making-decisions (admission, BC request, administration of appropriate and early antimicrobial, etc)...
March 8, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28274771/factors-associated-with-time-to-clinical-stability-in-complicated-skin-and-skin-structure-infections
#15
Iiro H Jääskeläinen, Lars Hagberg, Erik Forsblom, Asko Järvinen
OBJECTIVES: Factors associated with the time to clinical stability in patients with complicated skin and skin structure infection (cSSSI) were analysed in a retrospective population-based study. METHODS: All hospitalized patients (n=402) with cSSSI in two Nordic cities during a 4 year period were included. Patient, disease and treatment related factors were analysed in relation to early (0-3 days) or late (≥ 4 days) clinical stability. Clinical stability was assessed as improvement of infection related local and systemic signs...
March 5, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28274490/-persistent-bacteraemia-due-to-methicillin-resistant-staphylococcus-aureus-in-an-elderly-patient-with-a-complex-fracture-in-left-side-of-the-pelvis
#16
Nicolas M González Senac, Vicente Romero Estarlich, Eugenio Marañón Fernández, Jose Antonio Serra Rexach
No abstract text is available yet for this article.
March 5, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28272350/a-risk-assessment-of-antibiotic-pan-drug-resistance-in-the-uk-bayesian-analysis-of-an-expert-elicitation-study
#17
Daniel Carter, André Charlett, Stefano Conti, Julie V Robotham, Alan P Johnson, David M Livermore, Tom Fowler, Mike Sharland, Susan Hopkins, Neil Woodford, Philip Burgess, Stephen Dobra
To inform the UK antimicrobial resistance strategy, a risk assessment was undertaken of the likelihood, over a five-year time-frame, of the emergence and widespread dissemination of pan-drug-resistant (PDR) Gram-negative bacteria that would pose a major public health threat by compromising effective healthcare delivery. Subsequent impact over five- and 20-year time-frames was assessed in terms of morbidity and mortality attributable to PDR Gram-negative bacteraemia. A Bayesian approach, combining available data with expert prior opinion, was used to determine the probability of the emergence, persistence and spread of PDR bacteria...
March 7, 2017: Antibiotics
https://www.readbyqxmd.com/read/28268063/human-escherichia-coli-isolates-from-hemocultures-septicemia-linked-to-urogenital-tract-infections-is-caused-by-isolates-harboring-more-virulence-genes-than-bacteraemia-linked-to-other-conditions
#18
Lenka Micenková, Alžbeta Beňová, Lucia Frankovičová, Juraj Bosák, Martin Vrba, Alena Ševčíková, Marta Kmeťová, David Šmajs
Escherichia coli is the most common cause of bloodstream infections and community-acquired sepsis. The main aim of this study was to determine virulence characteristics of E. coli isolates from hemocultures of patients with a primary disease of urogenital tract, digestive system, a neoplastic blood disease, or other conditions. Results from a set of 314 E. coli isolates from hemocultures were compared to data from a previously published analysis of 1283 fecal commensal E. coli isolates. Genetic profiling of the 314 E...
February 27, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28265817/risk-factors-and-outcome-of-levofloxacin-resistant-elizabethkingia-meningoseptica-bacteraemia-in-adult-patients-in-taiwan
#19
Y-C Huang, Y-W Huang, Y-T Lin, F-D Wang, Y-J Chan, T-C Yang
Elizabethkingia meningoseptica is an emerging nosocomial pathogen associated with high mortality and inherently resistant to many antimicrobial agents. Levofloxacin has been considered as a therapeutic agent based on in vitro susceptibility. We aim to investigate the risk factors and outcomes for levofloxacin-resistant E. meningoseptica bacteraemia. Adult patients with E. meningoseptica bacteraemia were identified retrospectively in a medical centre in Taiwan from January 2011 to July 2015. These strains were identified by the Vitek2 automated system or matrix-assisted laser desorption-ionization time-of-flight mass spectrometry...
March 7, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28265815/prognostic-impact-of-hyperglycemia-at-onset-of-methicillin-sensitive-staphylococcus-aureus-bacteraemia
#20
E Forsblom, E Ruotsalainen, A Järvinen
Previous reports have associated hyperglycemia to poor outcome among aged and comorbid Staphylococcus aureus bacteraemia (SAB) patients. However, the prognostic impact of hyperglycemia in SAB irrespective of age and underlying conditions including a diagnosis of diabetes has received little attention. The objective here was to evaluate the prognostic relevance of hyperglycemia at onset of methicillin-sensitive SAB (MS-SAB). It was a retrospective study of MS-SAB patients. Blood glucose was measured within 24 h of positive blood cultures...
March 6, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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