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Blood cultures sepsis

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https://www.readbyqxmd.com/read/27909820/genomic-analysis-reveals-the-presence-of-a-class-d-beta-lactamase-with-broad-substrate-specificity-in-animal-bite-associated-capnocytophaga-species
#1
S Zangenah, A F Andersson, V Özenci, P Bergman
Capnocytophga canimorsus and Capnocytophga cynodegmi can be transmitted from cats and dogs to humans, and can cause a wide range of infections including wound infections, sepsis, or endocarditis. We and others recently discovered two new Capnocytophaga species, C. canis and C. stomatis, mainly associated with wound infections. The first-line treatment of animal bite related infections is penicillin, and in case of allergy, doxycycline and trimethoprim/sulfamethoxazole. However, there is a lack of antibiotic susceptibility patterns for animal bite associated Capnocytophaga species...
December 1, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27903458/cardiac-arrest-among-patients-with-infections-causes-clinical-practice-and-research-implications
#2
REVIEW
Davide Leoni, Jordi Rello
The incidence of sepsis is increasing, and the condition is now the leading cause of death in general intensive care units (ICUs). Our review failed to identify studies of the causes of cardiac arrest among infected patients, even though non-cardiac causes represent 15% of out-of-hospital cardiac arrests and though one-third of events have positive blood cultures. Sudden cardiac arrest is the result of local damage to the heart and of the impact of systemic and pulmonary conditions on cardiac performance, and its danger is underestimated...
November 26, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27890455/the-detection-of-microbial-dna-but-not-cultured-bacteria-is-associated-with-increased-mortality-in-patients-with-suspected-sepsis-a-prospective-multi-centre-european-observational-study
#3
Michael J O'Dwyer, Malgorzata H Starczewska, Jacques Schrenzel, Kai Zacharowski, David Ecker, Rangarajan Sampath, David Brealey, Mervyn Singer, Nicolas Libert, Mark Wilks, Jean-Louis Vincent
OBJECTIVES: Blood culture results inadequately stratify the mortality risk in critically ill patients with sepsis. We sought to establish the prognostic significance of the presence of microbial DNA in the bloodstream of patients hospitalised with suspected sepsis. METHODS: We analysed the data collected during the Rapid Diagnosis of Infections in the Critically Ill (RADICAL) study which compared a novel culture-independent polymerase chain reaction/electrospray ionization-mass spectrometry (PCR/ESI-MS) assay with standard microbiological testing...
November 23, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27889413/molecular-diagnosis-of-bloodstream-infections-in-onco-haematology-patients-with-pcr-esi-ms-technology
#4
Elena Jordana-Lluch, Belén Rivaya, Clara Marcó, Montserrat Giménez, Ma Dolores Quesada, Agustín Escobedo, Montserrat Batlle, Elisa Martró, Vicente Ausina
OBJECTIVES: Onco-haematological patients are prone to develop infections, and antibiotic prophylaxis may lead to negative blood cultures. Thus, the microbiological diagnosis and subsequent administration of a targeted antimicrobial therapy is often difficult. The goal of this study was to evaluate the usefulness of IRIDICA (PCR/ESI-MS technology) for the molecular diagnosis of bloodstream infections in this patient group. METHODS: A total of 463 whole blood specimens from different sepsis episodes in 429 patients were analysed using the PCR/ESI-MS platform, comparing the results with those of blood culture and other clinically relevant information...
November 23, 2016: Journal of Infection
https://www.readbyqxmd.com/read/27881097/ischaemic-stroke-and-clostridium-septicum-sepsis-and-meningitis-in-a-patient-with-occult-colon-carcinoma-a-case-report-and-review-of-the-literature
#5
Kosmas Macha, Antje Giede-Jeppe, Hannes Lücking, Roland Coras, Hagen B Huttner, Jürgen Held
BACKGROUND: Clostridium septicum is a rare cause of meningitis and brain abscess in children and adults. Gas production by the pathogen can lead to pneumocephalus and the overall mortality rate of Clostridium septicum CNS infection is as high as 74%. The most common entry site of the pathogen is the gastrointestinal tract. CASE PRESENTATION: We describe a 74-year-old man who presented with a left-sided cerebral infarction in the middle cerebral artery territory...
November 24, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27875686/early-onset-neonatal-sepsis-and-the-implementation-of-group-b-streptococcus-prophylaxis-in-a-brazilian-maternity-hospital-a-descriptive-study
#6
Felipe Teixeira de Mello Freitas, Gustavo Adolfo Sierra Romero
OBJECTIVES: To describe early-onset neonatal sepsis (EOS) epidemiology in a public maternity hospital in Brasilia, Brazil. METHODS: We defined EOS as a positive blood culture result obtained from infants aged ≤72h plus treatment with antibiotic therapy for ≥5 days. Incidence was calculated based on the number of cases and total live births (LB). This is a descriptive study comparing the period of 2012-2013 with the period of 2014-September 2015, before and after implementation of antibiotic prophylaxis during labor for group B streptococcus (GBS) prevention, respectively...
November 19, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27869407/community-acquired-staphylococcus-aureus-bacteremia-in-children-a-cohort-study-for-2010-2014
#7
Guadalupe Pérez, Soledad Martiren, Vanesa Reijtman, Romina Romero, Alejandra Mastroianni, Lidia Casimir, Rosa Bologna
INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus infections are a common, serious problem in pediatrics. OBJETIVE: To describe antibiotic resistance in community-acquired Staphylococcus aureus (SA) bacteremias. To compare the characteristics of SA bacteremias in terms of methicillin resistance. MATERIALS AND METHODS: Prospective cohort enrolled between January 2010 and December 2014. Inclusion criteria: infants and children between 30 days old and 16 years old hospitalized at the Hospital de Pediatria J...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27862576/foetal-ureaplasma-parvum-bacteraemia-as-a-function-of-gestation-dependent-complement-insufficiency-evidence-from-a-sheep-model-of-pregnancy
#8
Matthew W Kemp, Shatha Ahmed, Michael L Beeton, Matthew S Payne, Masatoshi Saito, Yuichiro Miura, Haruo Usuda, Suhas G Kallapur, Boris W Kramer, Sarah J Stock, Alan H Jobe, John P Newnham, Owen B Spiller
PROBLEM: Complement is a central defence against sepsis, and increasing complement insufficiency in neonates of greater prematurity may predispose to increased sepsis. Ureaplasma spp. are the most frequently cultured bacteria from preterm blood samples. METHOD OF STUDY: A sheep model of intrauterine Ureaplasma parvum infection was used to examine in vivo Ureaplasma bacteraemia at early and late gestational ages. Complement function and Ureaplasma killing assays were used to determine the correlation between complement potency and bactericidal activity of sera ex vivo...
November 14, 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27857510/the-diagnostic-accuracy-of-serum-procalcitonin-for-bacteremia-in-critically-ill-children
#9
Marianne E Nellis, Steven Pon, Ashley E Giambrone, Nana E Coleman, Jonathan Reiss, Elizabeth Mauer, Bruce M Greenwald
BACKGROUND: Bacterial sepsis is frequently encountered in children admitted to the Pediatric Intensive Care Unit (PICU) and requires early recognition and treatment. Procalcitonin (PCT) is a serum biomarker with a high sensitivity to predict bacteremia in critically-ill adults. This study sought to evaluate the diagnostic accuracy of PCT for bacteremia in febrile children in the PICU. METHODS: This retrospective observational study used data from children admitted to the PICU from October 2010 to October 2012...
November 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27850865/1229-sepsis-core-measures-and-blood-culture-documentation-timing-is-everything
#10
Daleen Penoyer, Jessica Snyder, Paula Inderwiesen, Patricia Geddie
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27849678/fc-gamma-receptor-iib-deficient-mice-a-lupus-model-with-increased-endotoxin-tolerance-related-sepsis-susceptibility
#11
Thunnicha Ondee, Saowapha Surawut, Sujittra Taratummarat, Nattiya Hirankan, Tanapat Palaga, Prapaporn Pisitkun, Trairak Pisitkun, Asada Leelahavanichkul
Hyper-elevated immune response of FcGRIIb-/- mice, a lupus model with an inhibitory-signaling defect, can become exhausted (less subsequent immune-response than the first response) with sequential LPS stimulation. Endotoxin tolerance-related modifications of inflammatory response were investigated in FcGRIIb-/- mice in both an in vivo sepsis model and in vitro using cultured macrophages. Serum cytokine concentrations, after the second LPS injection (at 5-fold higher levels than the first dose) did not exceed the first dose levels in either FcGRIIb-/- or wild-type mice...
November 15, 2016: Shock
https://www.readbyqxmd.com/read/27846254/extended-spectrum-beta-%C3%AE-lactamases-and-antibiogram-in-enterobacteriaceae-from-clinical-and-drinking-water-sources-from-bahir-dar-city-ethiopia
#12
Bayeh Abera, Mulugeta Kibret, Wondemagegn Mulu
BACKGROUND: The spread of Extended-Spectrum beta (β)-Lactamases (ESBL)-producing Enterobacteriaceae has become a serious global problem. ESBL-producing Enterobacteriaceae vary based on differences in antibiotic use, nature of patients and hospital settings. This study was aimed at determining ESBL and antibiogram in Enterobacteriaceae isolates from clinical and drinking water sources in Bahir Dar City, Northwest Ethiopia. METHODS: Enterobacteriaceae species were isolated from clinical materials and tap water using standard culturing procedures from September 2013 to March 2015...
2016: PloS One
https://www.readbyqxmd.com/read/27837325/reduced-length-of-hospital-stay-through-a-point-of-care-placed-automated-blood-culture-instrument
#13
M J Bruins, M J Egbers, T M Israel, S H A Diepeveen, M J H M Wolfhagen
Early appropriate antimicrobial treatment of patients with sepsis has a large impact on clinical outcome. To enable prompt and efficient processing of blood cultures, the inoculated vials should be placed into an automated continuously monitoring blood culture system immediately after sampling. We placed an extra BACTEC FX instrument at the emergency department of our hospital and validated the twice-daily re-entering of ongoing vials from this instrument into the BACTEC FX at the laboratory. We subsequently assessed the benefits of shortening the transport time between sampling and monitored incubation of blood culture vials by comparing the turnaround times of positive blood cultures from emergency department patients with a historical control group...
November 11, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27835962/soluble-programmed-cell-death-receptor-1-spd-1-a-potential-biomarker-with-anti-inflammatory-properties-in-human-and-experimental-acute-respiratory-distress-syndrome-ards
#14
Sean F Monaghan, Chun-Shiang Chung, Yaping Chen, Joanne Lomas-Neira, William G Fairbrother, Daithi S Heffernan, William G Cioffi, Alfred Ayala
BACKGROUND: Acute respiratory distress syndrome (ARDS) remains a common organ dysfunction in the critically ill patient. Mechanisms for its development have focused on immune mediated causes, aspects of our understanding are not complete, and we lack biomarkers. DESIGN, SETTING, AND SUBJECTS: Blood and bronchial alveolar lavage fluid (BAL) from humans (n = 10-13) with ARDS and controls (n = 5-10) as well as a murine model of ARDS (n = 5-6) with controls (n = 6-7) were studied...
November 11, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27833059/enterovirus-neurological-disease-and-bacterial-coinfection-in-very-young-infants-with-fever
#15
Cristina Calvo, Paula Gallardo, Patricia Torija, Sara Bellón, Ana Méndez-Echeverría, Teresa Del Rosal, Fernando Baquero-Artigao, Talía Sainz, María Romero, María Cabrerizo
BACKGROUND: Very little information exists on simultaneous infections by viruses and bacteria in infants with fever without source (FWS). OBJECTIVES: To investigate the incidence of bacterial coinfection in infants up to 3 months of age with neurological viral infection. STUDY DESIGN: Prospective study performed in infants below 90 days of age attending the emergency room of two public hospitals in Spain for FWS. Those who had viral screening performed in CSF, together with blood, CSF and urine cultures were included...
December 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27832977/development-and-validation-of-a-parsimonious-and-pragmatic-charm-score-to-predict-mortality-in-patients-with-suspected-sepsis
#16
Kuan-Fu Chen, Su-Hsun Liu, Chih-Huang Li, Chin-Chieh Wu, Chung-Hsien Chaou, I-Shiang Tzeng, Yu-Hsiang Hsieh, Gerald N Blaney, Zhen-Ying Liu, Shih-Tsung Han, Yi-Lin Chan
BACKGROUND: We aimed to derive and validate a parsimonious and pragmatic clinical prediction rule using the concepts of Predisposition, Infection, Response, and Organ Dysfunction to predict in-hospital mortality; and to compare it with other prediction rules, as well as with conventional biomarkers for evaluating the mortality risk of patients with suspected sepsis in the emergency department (ED). METHODS: We conducted a pragmatic cohort study with consecutive ED patients aged 18 or older with documented diagnostic codes of infection and two sets of blood culture ordered by physicians between 2010 and 2012 in a tertiary teaching hospital...
November 3, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27832704/re-pre-and-post-operative-predictors-of-infection-related-complications-in-patients-undergoing-percutaneous-nephrolithotomy
#17
Ibrahim Halil Bozkurt, Ismail Basmaci, Tarık Yonguc
In the recent study only the patients with SIRS and positive post-operative blood or urine culture was accepted as sepsis. International Sepsis Definitions Conference defines "sepsis" as a clinical syndrome defined by the presence of both infection and a systemic inflammatory response. Infection is defined as a pathological process caused by invasion of normally sterile tissue or fluid or a body cavity by pathogenic micro-organisms [2]. In this regard, we believe that it would be more appropriate to define the SIRS cases with positive stone cultures as "patients with sepsis", additionally...
November 10, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27828901/fusarium-solani-subretinal-abscess-in-a-patient-with-acute-myeloid-leukemia
#18
Ariel Schlaen, Mariana Ingolotti, Pablo Lorenzon, Jorge Mancini, Cristobal Couto, Maria Casanova, Gustavo Kusminsky, Matias Tisi Baña, Gloria Pineda, Alejandra Rima, Mario Saravia
PURPOSE: To report on a case of Fusarium solani subretinal abscess in a patient with acute myeloid leukemia treated with an allogenic bone marrow transplant. METHODS: A 47-year-old male with a history of acute myeloid leukemia with intermediate cytogenetic risk was admitted in our hospital. The disease relapsed after two cycles of chemotherapy. He was then treated with an allogenic bone marrow transplant, with busulfan, cyclophosphamide, and thymoglobulin. One week after the procedure, a sepsis of unknown origin in neutropenia occurred...
November 8, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27825177/diagnostic-value-of-presepsin-in-detection-of-early-onset-neonatal-sepsis
#19
Abdurrahman A Ozdemir, Yusuf Elgormus
Objective The aim of this study was to evaluate the efficacy of presepsin in both diagnosis and follow-up of early-onset neonatal sepsis (EOS) and also to compare its effectiveness with C-reactive protein (CRP) and procalcitonin (PCT). Methods A total of 29 term infants with EOS group and 40 term infants with control group were included in this study. Before initiating therapy, blood samples for whole blood count, CRP, PCT, presepsin, and culture were obtained from all neonates (T0). This procedure was repeated two times at 72 hours (T3) and day 7 (T7)...
November 8, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27822380/chronic-melioidosis-presenting-with-multiple-abscesses
#20
Anshul Goel, Rahul Bansal, Shweta Sharma, Suman Singhal, Ashok Kumar
Melioidosis is common in Australia and Southeast Asia and is increasingly recognized in India. It presents in various forms which are difficult to identify and often mimics suppurative infections, tuberculosis, fungal infections, malignancy and systemic rheumatic diseases. Presentation may vary from local disease to disseminated abscesses, pneumonia and sepsis. Disease is common and severe in diabetics. We describe a case of diabetic man presenting with fever, septic shock, peri-articular nodules, lung opacities and multiple abscesses in muscles for the past 3 months remaining undiagnosed...
January 2016: Oxford Medical Case Reports
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