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Endocarditis enterococcus

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https://www.readbyqxmd.com/read/28521809/role-of-mitral-valve-repair-in-active-infective-endocarditis-long-term-results
#1
Carlo Rostagno, Enrico Carone, Pier Luigi Stefàno
BACKGROUND: Although mitral valve repair is at present the technique of choice in mitral regurgitation (MR) due to degenerative valve disease, long term results in patients with active mitral infective endocarditis (IE) are still under evaluation. METHODS: In the study were included 34 consecutive patients (22 males; mean age, 60 years; range 32-84 years) referred to our institution between January 1, 2005 to December 31, 2011 who were treated with valve repair for mitral valve (MV) active infective endocarditis...
May 18, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28482820/the-changing-epidemiology-and-clinical-features-of-infective-endocarditis-a-retrospective-study-of-196-episodes-in-a-teaching-hospital-in-china
#2
Wan Zhu, Qian Zhang, Jingping Zhang
BACKGROUND: Infective endocarditis is an uncommon but life-threatening infectious disease. To our knowledge, current investigations of the characteristics of infective endocarditis in our region are scarce. In this study, we aimed to investigate the changes in the epidemiology and clinical features of infective endocarditis. METHODS: A retrospective analysis of clinical data was performed using 196 infective endocarditis cases diagnosed between June 2004 and December 2012 at The First Affiliated Hospital of China Medical University...
May 8, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28439299/substance-p-enhances-lactic-acid-and-tyramine-production-in-enterococcus-faecalis-v583-and-promotes-its-cytotoxic-effect-on-intestinal-caco-2-tc7-cells
#3
Kelly Biaggini, Valérie Borrel, Sabine Szunerits, Rabah Boukherroub, Awa N'Diaye, Arthur Zébré, Maryse Bonnin-Jusserand, Guillaume Duflos, Marc Feuilloley, Djamel Drider, Pierre Déchelotte, Nathalie Connil
BACKGROUND: Enterococcus faecalis, generally considered as a saprophytic bowel commensal, has recently emerged as an important nosocomial pathogen causing severe urinary tract infections, surgical wound infections, bacteremia, and bacterial endocarditis. This bacterium is capable of forming biofilms on various surfaces and its high level of antibiotic resistance contributes to its pathogenicity. The aim of this study was to evaluate the effect on E. faecalis, of Substance P (SP), an antimicrobial peptide that is produced in the gut and skin...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28414678/what-the-eyes-don-t-see-the-heart-does-grieve-over
#4
M Sciaudone, M Dery
INTRODUCTION: A 71 year old Peruvian woman presented with blurry vision and bilateral eye pain and had evidence of bilateral endophthalmitis on eye examination. Her past medical history was notable for multiple abdominal surgeries within the preceding months, including an incarcerated inguinal hernia repair which required an ileostomy placement, and cholecystitis requiring cholecystostomy tube placement. Over her multiple long hospitalizations, she developed bacteremia and fungemia on several occasions, with organisms including Enterobacter cloacae, Klebsiella pneumoniae, Bacteroides fragilis, Pseudomonas aeruginosa, Enterococcus faecium, and Candida albicans...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28390740/a-predictive-model-for-early-mortality-after-surgical-treatment-of-heart-valve-or-prosthesis-infective-endocarditis-the-endoscore
#5
Michele Di Mauro, Guglielmo Mario Actis Dato, Fabio Barili, Sandro Gelsomino, Pasquale Santè, Alessandro Della Corte, Antonio Carrozza, Ester Della Ratta, Diego Cugola, Lorenzo Galletti, Roger Devotini, Riccardo Casabona, Francesco Santini, Antonio Salsano, Roberto Scrofani, Carlo Antona, Luca Botta, Claudio Russo, Samuel Mancuso, Mauro Rinaldi, Carlo De Vincentiis, Andrea Biondi, Cesare Beghi, Giangiuseppe Cappabianca, Vincenzo Tarzia, Gino Gerosa, Michele De Bonis, Alberto Pozzoli, Francesco Nicolini, Filippo Benassi, Francesco Rosato, Elena Grasso, Ugolino Livi, Sponga Sandro, Davide Pacini, Roberto Di Bartolomeo, Andrea De Martino, Uberto Bortolotti, Francesco Onorati, Giuseppe Faggian, Roberto Lorusso, Enrico Vizzardi, Gabriele Di Giammarco, Daniele Marinelli, Emmanuel Villa, Giovanni Troise, Marco Picichè, Francesco Musumeci, Domenico Paparella, Vito Margari, Francesco Tritto, Girolamo Damiani, Giuseppe Scrascia, Salvatore Zaccaria, Attilio Renzulli, Giuseppe Serraino, Giovanni Mariscalco, Daniele Maselli, Massimiliano Foschi, Alessandro Parolari, Giannantonio Nappi
BACKGROUND: The aim of this large retrospective study was to provide a logistic risk model along an additive score to predict early mortality after surgical treatment of patients with heart valve or prosthesis infective endocarditis (IE). METHODS: From 2000 to 2015, 2715 patients with native valve endocarditis (NVE) or prosthesis valve endocarditis (PVE) were operated on in 26 Italian Cardiac Surgery Centers. The relationship between early mortality and covariates was evaluated with logistic mixed effect models...
April 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28329161/surgery-for-prosthetic-valve-endocarditis-a-retrospective-study-of-a-national-registry%C3%A2
#6
Alessandro Della Corte, Michele Di Mauro, Guglielmo Actis Dato, Fabio Barili, Diego Cugola, Sandro Gelsomino, Pasquale Santè, Antonio Carozza, Ester Della Ratta, Lorenzo Galletti, Roger Devotini, Riccardo Casabona, Francesco Santini, Antonio Salsano, Roberto Scrofani, Carlo Antona, Carlo De Vincentiis, Andrea Biondi, Cesare Beghi, Giangiuseppe Cappabianca, Michele De Bonis, Alberto Pozzoli, Francesco Nicolini, Filippo Benassi, Davide Pacini, Roberto Di Bartolomeo, Andrea De Martino, Uberto Bortolotti, Roberto Lorusso, Enrico Vizzardi, Gabriele Di Giammarco, Daniele Marinelli, Emmanuel Villa, Giovanni Troise, Domenico Paparella, Vito Margari, Francesco Tritto, Girolamo Damiani, Giuseppe Scrascia, Salvatore Zaccaria, Attilio Renzulli, Giuseppe Serraino, Giovanni Mariscalco, Daniele Maselli, Alessandro Parolari, Giannantonio Nappi
OBJECTIVES: We described clinical-epidemiological features of prosthetic valve endocarditis (PVE) and assessed the determinants of early surgical outcomes in multicentre design. METHODS: Data regarding 2823 patients undergoing surgery for endocarditis at 19 Italian Centers between 1979 and 2015 were collected in a database. Of them, 582 had PVE: in this group, the determinants of early mortality and complications were assessed, also taking into account the different chronological eras encompassed by the study...
March 13, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28320712/efficacy-of-telavancin-alone-and-in-combination-with-ampicillin-in-a-rat-model-of-enterococcus-faecalis-endocarditis
#7
Truc T Tran, Vincent H Tam, Barbara E Murray, Cesar A Arias, Kavindra V Singh
We first assessed telavancin (TLV) pharmacokinetics after a single subcutaneous dose of 35 mg/kg. The pharmacokinetic data were used to predict a TLV dose that simulates human exposure and the efficacy of TLV was then evaluated using TLV 21 mg/kg Q 12 h against Enterococcus faecalis OG1RF (TLV MIC of 0.06 μg/ml) in a rat endocarditis model with an indwelling catheter. Therapy was given for 3 days with TLV, daptomycin (DAP) or ampicillin (AMP) monotherapy and with combinations of TLV plus AMP, AMP plus gentamicin (GEN), and AMP plus ceftriaxone (CRO); rats were sacrificed 24 h after the last dose...
March 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28293958/successful-salvage-treatment-of-native-valve-enterococcus-faecalis-infective-endocarditis-with-telavancin-two-case-reports
#8
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...
July 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28289605/a-wolf-in-another-wolf-s-clothing
#9
Amrit Lamba, Meghan Kapp, Paisit Paueksakon, Parth J Parekh
This case of infective endocarditis masquerading as mixed cryoglobulinemia in a man with a history of intravenous drug use (IVDU) and hepatitis C virus (HCV) highlights the importance of maintaining a broad differential and continually re-evaluating the working diagnosis as new information presents itself. The patient presented to an outside hospital and was treated for presumptive mixed cryoglobulinemia with corticosteroid therapy. When the patient did not improve, he was transferred to a tertiary care center for possible Rituximab and/or plasmapheresis...
2017: IDCases
https://www.readbyqxmd.com/read/28264856/effect-of-continuous-and-sequential-therapy-among-veterans-receiving-daptomycin-or-linezolid-for-vancomycin-resistant-enterococcus-faecium-bacteremia
#10
Nicholas S Britt, Emily M Potter, Nimish Patel, Molly E Steed
Vancomycin-resistant Enterococcus faecium bloodstream infections (VREF-BSI) cause significant mortality, highlighting the need to optimize their treatment. We compared the effectiveness and safety of daptomycin (DAP) and linezolid (LZD) as continuous or sequential therapy for VREF-BSI in a national, retrospective, propensity score (PS)-matched cohort study of hospitalized Veterans Affairs patients (2004 to 2014). We compared clinical outcomes and adverse events among patients treated with continuous LZD, continuous DAP, or sequential LZD followed by DAP (LZD-to-DAP)...
May 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28204495/early-in-vitro-development-of-daptomycin-non-susceptibility-in-high-level-aminoglycoside-resistant-enterococcus-faecalis-predicts-the-efficacy-of-the-combination-of-high-dose-daptomycin-plus-ampicillin-in-an-in-vivo-model-of-experimental-endocarditis
#11
J M Pericàs, C García-de-la-Mària, M Brunet, Y Armero, J García-González, G Casals, M Almela, E Quintana, C Falces, S Ninot, D Fuster, J Llopis, F Marco, A Moreno, J M Miró
Background: Previous studies showed development of daptomycin non-susceptibility (DNS: MIC >4 mg/L) in Enterococcus faecalis infections. However, no studies have assessed the efficacy of the combination of daptomycin/ampicillin against E. faecalis strains developing DNS in the experimental endocarditis (EE) model. Objectives: To assess the in vitro and in vivo efficacy of daptomycin at 10 mg/kg/day, daptomycin/ampicillin and ampicillin/ceftriaxone against two high-level aminoglycoside-resistant E...
June 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28166656/combination-of-ceftriaxone-and-ampicillin-for-the-treatment-of-enterococcal-endocarditis
#12
Shaylee C Peterson, Tim T Y Lau, Mary H H Ensom
OBJECTIVE: The aim of this systematic review is to review all human trials assessing the efficacy and safety of ampicillin and ceftriaxone for enterococcal endocarditis and to discuss the clinical implications of the findings. DATA SOURCES: MEDLINE (1946-), EMBASE (1974-), CENTRAL, Google Scholar, and the World Health Organization Clinical Trials Registry Platform were searched through January 2017 using the search terms ampicillin, penicillin, ceftriaxone, cephalosporin, enterococ*, and endocarditis...
February 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28108098/comparative-efficacies-of-daptomycin-vancomycin-and-linezolid-in-experimental-enterococcal-peritonitis
#13
Toshiki Kajihara, Shigeki Nakamura, Naoki Iwanaga, Kazuhiro Oshima, Katsuji Hirano, Taiga Miyazaki, Koichi Izumikawa, Katsunori Yanagihara, Yoshitsugu Miyazaki, Noboru Hattori, Nobuoki Kohno, Shigeru Kohno, Hiroshi Mukae
Enterococci have become increasingly important pathogens for nosocomial infection (e.g. bacteremia, intra-abdominal infection, endocarditis, etc.), related to their intrinsic resistance to many antibiotics. Although the in vitro susceptibility of daptomycin (DAP) against Enterococci is well established, the Food and Drug Administration has only approved its use for complicated skin and skin structure infections induced by Enterococcus faecalis. In this study we evaluated the potential therapeutic application of DAP in a murine model of enterococcal experimental peritonitis...
January 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28102784/model-systems-for-the-study-of-enterococcal-colonization-and-infection
#14
H M Sharon Goh, M H Adeline Yong, Kelvin Kian Long Chong, Kimberly A Kline
Enterococcus faecalis and Enterococcus faecium are common inhabitants of the human gastrointestinal tract, as well as frequent opportunistic pathogens. Enterococci cause a range of infections including, most frequently, infections of the urinary tract, catheterized urinary tract, bloodstream, wounds and surgical sites, and heart valves in endocarditis. Enterococcal infections are often biofilm-associated, polymicrobial in nature, and resistant to antibiotics of last resort. Understanding Enterococcal mechanisms of colonization and pathogenesis are important for identifying new ways to manage and intervene with these infections...
January 19, 2017: Virulence
https://www.readbyqxmd.com/read/28096164/pharmacodynamics-of-ceftaroline-plus-ampicillin-against-enterococcus-faecalis-in-an-in-vitro-pharmacokinetic-pharmacodynamic-model-of-simulated-endocardial-vegetations
#15
Brian J Werth, Laura M Shireman
The combination of ampicillin plus ceftaroline has been suggested to be more reliably synergistic against Enterococcus faecalis than ampicillin plus ceftriaxone using time-kill methods. The purpose of this study was to determine if this trend persists in a two-compartment model of simulated endocardial vegetations (SEV) using clinically relevant pharmacokinetic exposures of these antimicrobials. Three clinically derived E. faecalis strains were included in the study. The MICs of study antimicrobials were determined by broth microdilution...
April 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28005033/-infective-endocarditis-importance-of-molecular-biological-techniques-in-etiological-diagnosis
#16
E O Kotova, E A Domonova, Yu L Karaulova, A S Mil'to, A S Pisaryuk, O Yu Sil'veistrova, O Yu Shipulina, G A Shipulin, V S Moiseev
AIM: To investigate the specific features of conventional bacteriological methods and current molecular biological techniques for the etiological diagnosis of infective endocarditis (IE). SUBJECTS AND METHODS: Examinations were made in 53 patients treated at City Clinical Hospital Sixty-Four, Moscow Healthcare Department, in 2012-2015 who underwent simultaneous bacteriological and molecular biological (polymerase chain reaction (PCR) or PCR with further sequencing) examinations of blood or resected cardiac valve tissues...
2016: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/27989071/broad-range-16s-rdna-pcr-on-heart-valves-in-infective-endocarditis
#17
Manica Müller Premru, Tatjana Lejko Zupanc, Tomislav Klokočovnik, Eva Ruzić Sabljić, Tjaša Cerar
BACKGROUND: Infective endocarditis (IE) is diagnosed by blood and/or resected valve cultivation and echocardiographic findings, as defined by the Duke criteria. Unfortunately, cultures may be negative due to prior antibiotic therapy or fastidious or slow-growing microorganisms. The study aim was to investigate the value of the broad-range polymerase chain reaction (PCR) in addition to blood and valve culture for the detection of causative microorganisms. METHODS: Between February 2012 and March 2015, valve samples from 36 patients undergoing cardiac surgery were analyzed; of these patients, 26 had a preoperative diagnosis of IE and 10 served as controls...
March 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27989049/infective-endocarditis-in-hemodialysis-patients
#18
Rahul Vasudev, Priyank Shah, Supreet Kaur, Chandrika Chitturi, Sundermurthy Yamini, Ashesha Mechineni, Chandra Chandran, Mahesh Bikkina, Fayez Shamoon
BACKGROUND: Infective endocarditis (IE) is a major cause of morbidity and mortality in patients with end-stage renal disease (ESRD). The study aim was to evaluate the demographic, clinical, microbiological and inpatient mortality data of IE in hemodialysis patients. METHODS: Data were analyzed for all IE patients admitted to the authors' 800-bed tertiary care hospital between January 2001 and December 2014. These data included demographics, comorbidities, clinical and microbiological characteristics, echocardiographic findings, complications, outcomes, and in-patient mortality...
May 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27979420/procalcitonin-levels-in-bloodstream-infections-caused-by-different-sources-and-species-of-bacteria
#19
Sheng Tao Yan, Li Chao Sun, Hong Bing Jia, Wen Gao, Jian Ping Yang, Guo Qiang Zhang
OBJECTIVE: The aim of this study was to evaluate procalcitonin (PCT) diagnostic accuracy in discriminating gram-negative (GN) from gram-positive (GP) bloodstream infections and determining the relationship between PCT levels, infection sites, and pathogen types. METHODS: Clinical and laboratory data were collected from patients with blood culture (BC)-positive sepsis between January 2014 and December 2015. PCT levels at different infection sites were compared, as was the presence of GN and GP bloodstream infection...
April 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27916708/relationship-between-enterococcus-faecalis-infective-endocarditis-and-colorectal-neoplasm-preliminary-results-from-a-cohort-of-154-patients
#20
Juan M Pericàs, Juan Corredoira, Asunción Moreno, M José García-País, Carlos Falces, Ramón Rabuñal, Carlos A Mestres, M Pilar Alonso, Francesc Marco, Eduard Quintana, Manel Almela, Juan C Paré, Jaume Llopis, Antoni Castells, José M Miró
INTRODUCTION AND OBJECTIVES: The association between Streptococcus bovis group infective endocarditis and colorectal neoplasm (CRN) is well-known. However, no studies have assessed the association between Enterococcus faecalis infective endocarditis (EFIE) and CRN. We aimed to determine whether the prevalence of CRN is higher in patients with EFIE and an unclear source of infection than in patients with EFIE and a known source of infection or in the general population. METHODS: Retrospective analysis of a cohort of 154 patients with definite EFIE (109 with an unclear source of infection and 45 with an identified source) from 2 Spanish teaching hospitals to determine the prevalence of CRN and other colorectal diseases...
March 8, 2017: Revista Española de Cardiología
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