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Endocarditis enterococcus

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https://www.readbyqxmd.com/read/29755627/molecular-diagnosis-of-bacterial-definite-infective-endocarditis-by-real-time-polymerase-chain-reaction
#1
Reza Faraji, Mostafa Behjati-Ardakani, Nooshin Faraji, Seyed Mohammad Moshtaghioun, Seyed Mehdi Kalantar, Ali Pedarzadeh, Hengameh Zandi, Mohammadtaghi Sarebanhassanabadi, Nastaran Ahmadi, Ali Dehghani Firoozabadi
Infective endocarditis (IE) can be diagnosed using the Duke criteria, which cannot be conclusive especially when the results of blood cultures are negative. This study aimed at using real-time polymerase chain reaction (PCR) technique to isolate bacteria present in whole blood samples of patients with definitive IE on the basis of the method designed in this study. This laboratory and test study was conducted on 20 whole blood samples taken from patients with definitive IE. Real-time PCR of the 16s rRNA was utilized to directly analyze whole blood samples to diagnose bacterial IE...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29716704/clinical-microbiological-characterization-and-risk-factors-of-mortality-in-infective-endocarditis-from-a-tertiary-care-academic-hospital-in-southern-india
#2
Prasanna Subbaraju, Shipra Rai, Jwalit Morakhia, Geet Midha, Asha Kamath, Kavitha Saravu
AIMS: To dissect the clinical-microbiological profile of Infective endocarditis (IE) population and to determine the risk factors for IE related mortality. METHODS: A cohort study was conducted using relevant data from clinical records of patients (≥12years) with definite/possible IE from December 2007 to December 2013 and was analyzed using appropriate statistical tests. RESULTS: In the cohort of 139 IE patients, mean age was 47.9±15.8years, with male preponderance (68...
March 2018: Indian Heart Journal
https://www.readbyqxmd.com/read/29672631/correction-outcome-of-enterococcus-faecalis-infective-endocarditis-according-to-the-length-of-antibiotic-therapy-preliminary-data-from-a-cohort-of-78-patients
#3
Juan M Pericàs, Carlos Cervera, Asunción Moreno, Cristina Garcia-de-la-Mària, Manel Almela, Carles Falces, Eduard Quintana, Bàrbara Vidal, Jaume Llopis, David Fuster, Carlos A Mestres, Francesc Marco, Jose M Miró
[This corrects the article DOI: 10.1371/journal.pone.0192387.].
2018: PloS One
https://www.readbyqxmd.com/read/29545437/infected-symptomatic-carotid-artery-atheroma-concurrent-with-bacterial-endocarditis
#4
Yamaan S Saadeh, Luis E Savastano, Julian L Gendreau, Aditya S Pandey
Optimal management of patients with stroke due to symptomatic carotid artery disease coexistent with bacterial endocarditis is still not well established. We report the case of a patient who presented with multifocal left middle cerebral artery stroke in the setting of Enterococcus faecalis endocarditis and was found to have near-occlusive ipsilateral carotid artery stenosis in stroke workup. Carotid artery endarterectomy was performed, and atheroma material demonstrated complicated plaque with cultures positive for E...
March 15, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29512472/a-rare-case-of-tricuspid-valve-endocarditis-caused-by-enterococcus-gallinarum-in-a-patient-with-recurrent-urinary-tract-infection
#5
Angelos Tsipis, Nikolaos Skandalakis, Nikolaos Kanakakis, Nektarios Pilatis, Evdokia Petropoulou
Infective endocarditis due to Enterococus Gallinarum is a rare clinical condition. We present a case of an 85 years old male with history of valvular disease and permanent pace maker with past medical history of repetitive urinary tract infections in the previous months, who presented to the emergency department with fever, urinary disturbances, general malaise and positive blood cultures for Enterococcus Gallinarum. Echocardiography was a useful diagnostic method in the present case, showing the vegetation on the tricuspid valve...
March 1, 2018: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/29506271/in-vitro-synergism-and-anti-biofilm-activity-of-ampicillin-gentamicin-ceftaroline-and-ceftriaxone-against-enterococcus-faecalis
#6
Lara Thieme, Mareike Klinger-Strobel, Anita Hartung, Claudia Stein, Oliwia Makarewicz, Mathias W Pletz
Background: Enterococci frequently cause severe biofilm-associated infections such as endocarditis. The combination of ampicillin/ceftriaxone has recently been clinically evaluated as non-inferior compared with the standard therapy of ampicillin/gentamicin for treatment of Enterococcus faecalis endocarditis. Ceftaroline is a novel cephalosporin with enhanced activity against Gram-positive bacteria. Objectives: To compare the in vitro effectiveness of the ceftaroline/ampicillin combination with those of gentamicin/ampicillin and ceftriaxone/ampicillin in planktonic and biofilm cultures of clinical E...
June 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29462176/outcome-of-enterococcus-faecalis-infective-endocarditis-according-to-the-length-of-antibiotic-therapy-preliminary-data-from-a-cohort-of-78-patients
#7
Juan M Pericàs, Carlos Cervera, Asunción Moreno, Cristina Garcia-de-la-Mària, Manel Almela, Carles Falces, Eduard Quintana, Bàrbara Vidal, Jaume Llopis, David Fuster, Carlos A Mestres, Francesc Marco, Jose M Miró
BACKGROUND: International guidelines recommend 4 weeks of treatment with ampicillin plus gentamicin (A+G) for uncomplicated native valve Enterococcus faecalis infective endocarditis (EFIE) and 6 weeks in the remaining cases. Ampicillin plus ceftriaxone (A+C) is always recommended for at least 6w, with no available studies assessing its suitability for 4w. We aimed to investigate differences in the outcome of EFIE according to the duration (4 versus 6 weeks) of antibiotic treatment (A+G or A+C)...
2018: PloS One
https://www.readbyqxmd.com/read/29460538/detection-of-endocarditis-bacteria-in-tonsillar-mucosa-of-afghan-population
#8
F Ruggiero, D Carbone, R Mugavero, A Palmieri, D Lauritano, L Baggi, M Nardone, F Carinci, M Martinelli
Endocarditis is a cardiovascular disease caused by the inflammation of the inner tissues of the heart, the endocardium, usually of the valves. Bacteraemia is essential in the development of endocarditis, and there are some findings that the main pathogens of endocarditis are viridans group streptococci: Streptococcus oralis, Streptococcus sanguinis, and Enterococcus faecalis. There is strong evidence that endocarditis bacteria are present in the tonsillar microbiota, so that tonsillar infection is associated with an increased risk of endocarditis...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29460534/focus-on-periodontal-disease-and-development-of-endocarditis
#9
F Carinci, M Martinelli, M Contaldo, R Santoro, F Pezzetti, D Lauritano, V Candotto, D Mucchi, A Palmieri, A Tagliabue, L Tettamanti
Infective endocarditis is a devastating disease with high morbidity and mortality. The link to oral bacteria has been known for many decades and has caused ongoing concern for dentists, patients and cardiologists. The microbiota of the mouth is extremely diverse and more than 700 bacterial species have been detected. Half of them are uncultivable so far. Oral microbiota is not uniform, specific sites exist in the mouth such as tongue, palate, cheek, teeth and periodontal pockets that have their own microbiota...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29438479/novel-tn916-like-elements-confer-aminoglycoside-macrolide-co-resistance-in-clinical-isolates-of-streptococcus-gallolyticus-ssp-gallolyticus
#10
Stanimir Kambarev, Frédéric Pecorari, Stéphane Corvec
Background: Streptococcus gallolyticus ssp. gallolyticus (Sgg) is a commensal bacterium and an opportunistic pathogen. In humans it has been clinically associated with the incidence of colorectal cancer (CRC) and epidemiologically recognized as an emerging cause of infective endocarditis (IE). The standard therapy of Sgg includes the administration of a penicillin in combination with an aminoglycoside. Even though penicillin-resistant isolates have still not been reported, epidemiological studies have shown that this microbe is a reservoir of multiple acquired genes, conferring resistance to tetracyclines, aminoglycosides, macrolides and glycopeptides...
February 9, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29397871/outbreak-of-bacterial-endocarditis-associated-with-an-oral-surgery-practice-new-jersey-public-health-surveillance-2013-to-2014
#11
Kathleen M Ross, Jason S Mehr, Rebecca D Greeley, Lindsay A Montoya, Prathit A Kulkarni, Sonya Frontin, Trevor J Weigle, Helen Giles, Barbara E Montana
BACKGROUND: In October and November 2014, the New Jersey Department of Health received reports of 3 patients who developed Enterococcus faecalis endocarditis after undergoing surgical procedures at the same oral surgery practice in New Jersey. Bacterial endocarditis is an uncommon but life-threatening condition; 3 patients with enterococcal endocarditis associated with a single oral surgery practice is unusual. An investigation was initiated because of the potential ongoing public health risk...
March 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29396199/clinical-management-of-non-faecium-non-faecalis-vancomycin-resistant-enterococci-infection-focus-on-enterococcus-gallinarum-and-enterococcus-casseliflavus-flavescens
#12
REVIEW
Jacopo Monticelli, Anna Knezevich, Roberto Luzzati, Stefano Di Bella
Enterococcus gallinarum and Enterococcus casseliflavus/flavescens are enterococci intrinsically resistant to vancomycin belonging to the E. gallinarum group. They are responsible mainly for healthcare-associated infections, in particular bloodstream, urinary tract and surgical wound infections. Diseases due to these bacteria are significantly increasing worldwide, as they are prone to cause infection in patients with concurrent hepatobiliary or oncohematological disorders. Along with their distinguishing vancomycin resistance, due to a chromosomally-encoded VanC operon, their additional intrinsic resistance to many antibiotics other than glycopeptides limits the therapeutic choices...
April 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29390132/a-review-of-combination-antimicrobial-therapy-for-enterococcus-faecalis-bloodstream-infections-and-infective-endocarditis
#13
Maya Beganovic, Megan K Luther, Louis B Rice, Cesar A Arias, Michael J Rybak, Kerry L LaPlante
Enterococci, one of the most common causes of hospital-associated infections, are responsible for substantial morbidity and mortality. Enterococcus faecalis, the more common and virulent species, cause serious high-inoculum infections, namely infective endocarditis, that are associated with cardiac surgery and mortality rates that remained unchanged for the last 30 years. The best cure for these infections are observed with combination antibiotic therapy; however, optimal treatment has not been fully elucidated...
January 30, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29373845/daptomycin-treatment-in-gram-positive-vascular-graft-infections
#14
Francisco Arnaiz de Las Revillas, Marta Fernandez-Sampedro, Ana María Arnaiz-García, Manuel Gutierrez-Cuadra, Carlos Armiñanzas, Ivana Pulitani, Alejandro Ponton, Valentin Tascon, Ivan García, María Carmen Fariñas
BACKGROUND: Daptomycin is a bactericidal antibiotic approved for the treatment of skin and soft tissue infections and right-side endocarditis. However, there is a lack of published data outlining its usefulness in vascular graft infections (VGI). The aim of this study was to describe the clinical experience of daptomycin use in the treatment of VGI caused by Gram-positive bacteria. METHODS: This was a retrospective cohort study of patients diagnosed with VGI receiving daptomycin at a tertiary care hospital during the period January 2010 to December 2012...
March 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29372575/distribution-of-ebp-pili-among-clinical-and-fecal-isolates-of-enterococcus-faecalis-and-evaluation-for-human-platelet-activation
#15
Roya Ahmadrajabi, Mohammad Sadegh Dalfardi, Alireza Farsinejad, Fereshteh Saffari
Although Enterococcus faecalis is known as normal flora in colon, it is also amongst the most common causative agents of infective endocarditis (IE). Platelet activation resulting from adherence to platelets is an essential step in the pathogenesis of IE. One of the factors proposed in adhesion is endocarditis- and biofilm- associated pili encoded by ebp operon. The aim of this study was to investigate ebp in isolates from different origins and analyze the potential of isolates to activate human platelets of different donors...
April 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29329389/in-vivo-daptomycin-efficacy-against-experimental-vancomycin-resistant-enterococcus-faecium-endocarditis
#16
Sophie Reissier, Azzam Saleh-Mghir, François Guerin, Laurent Massias, Idir Ghout, Clara Sinel, Vincent Cattoir, Anne-Claude Cremieux
Objectives: Daptomycin has become a first-line therapeutic option for vancomycin-resistant Enterococcus faecium infective endocarditis (IE). Although high doses (≥8 mg/kg) are often recommended, optimal doses, particularly for strains with MICs close to the susceptibility breakpoint (4 mg/L), are still debated. Methods: Daptomycin efficacy at doses equivalent to 8 mg/kg daptomycin (DAP8) and 12 mg/kg daptomycin (DAP12) in humans was evaluated in a rabbit model of aortic valve IE induced by 108 cfu of E...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29147662/effectiveness-of-a-lytic-phage-srg1-against-vancomycin-resistant-enterococcus-faecalis-in-compost-and-soil
#17
Sidra Rahmat Ullah, Saadia Andleeb, Taskeen Raza, Muhsin Jamal, Khalid Mehmood
Nosocomial infections caused by vancomycin-resistant Enterococcus have become a major problem. Bacteriophage therapy is proposed as a potential alternative therapy. Bacteriophages are viruses that infect bacteria and are ubiquitous in nature. Lytic bacteriophage was isolated from sewage water that infects VREF, the causative agent of endocarditis, bacteraemia, and urinary tract infections (UTIs). The phage produced clear plaques with unique clear morphology and well-defined boundaries. TEM results of phage revealed it to be 108 ± 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29145887/postpartum-infective-endocarditis-with-enterococcus-faecalis-in-japan-a-case-report
#18
Miku Tamura, Mitsutaka Shoji, Ken Fujita, Shohei Nakamura, Yurika Takahashi, Yurika Suzuki, Mika Asakura, Shun Kimizuka, Makiko Sasaki, Katsuya Sugawara
BACKGROUND: The clinical characteristics of infective endocarditis include the presence of predisposing cardiac disease, a history of illegal drug use, and high morbidity in the elderly. Only a few cases of the disease after delivery have been reported in the literature. We describe here a first case of enterococcal postpartum infective endocarditis without underlying disease in Japan. CASE PRESENTATION: We report the case of a 31-year-old Japanese woman with postpartum infective endocarditis by Enterococcus faecalis...
November 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29131251/ischemic-stroke-and-st-elevation-myocardial-infarction-revealing-infective-endocarditis
#19
G-R Joliat, N Halkic, O Pantet, N Ben-Hamouda
In this clinical scenario, we report the case of a patient who presented multiple embolic complications due to mitral infective endocarditis (IE). A 68-year-old woman had extended right hepatectomy for hilar cholangiocarcinoma. Unfortunately, she had multiple postoperative complications and had to be transferred to the Intensive Care Unit. During this stay, we have diagnosed an Enterococcus faecium IE after the occurrence of multiple embolic complications (myocardial infarction, ischemic stroke, digital emboli, splenic emboli, and renal emboli)...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29059358/daptomycin
#20
Mohsen Heidary, Azar Dohkt Khosravi, Saeed Khoshnood, Mohammad Javad Nasiri, Saleh Soleimani, Mehdi Goudarzi
Daptomycin is a cyclic lipopeptide antibiotic used for the treatment of Gram-positive infections including complicated skin and skin structure infections, right-sided infective endocarditis, bacteraemia, meningitis, sepsis and urinary tract infections. Daptomycin has distinct mechanisms of action, disrupting multiple aspects of cell membrane function and inhibiting protein, DNA and RNA synthesis. Although daptomycin resistance in Gram-positive bacteria is uncommon, there are increasing reports of daptomycin resistance in Staphylococcus aureus, Enterococcus faecium and Enterococcus faecalis...
January 1, 2018: Journal of Antimicrobial Chemotherapy
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