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Prosthetic Valve Endocarditis

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https://www.readbyqxmd.com/read/28820551/fungal-endocarditis-due-to-aspergillus-oryzae-the-first-case-reported-in-the-literature
#1
Andrea Mazza, Nicola Luciani, Marco Luciani, Federico Cammertoni, Alessia Giaquinto, Natalia Pavone, Piergiorgio Bruno, Massimo Massetti
Infective endocarditis (IE) is a severe disease with high mortality and morbidity. Prosthetic valve endocarditis is a life-threatening complication which can occur in less than 10% of patients with valve prosthesis. A fungal etiology of IE is rare and accounts for only 2-4% of all case of endocarditis, but is associated with a higher mortality and morbidity. Herein is reported the first case of fungal endocarditis of aortic valve prosthesis due to Aspergillus oryzae in a 67-year-old caucasian man who nine years previously underwent mitral and aortic valve replacement with mechanical prostheses, and tricuspid annuloplasty for acute IE due to Enterococcus spp...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28806998/first-report-of-sneathia-sanguinegens-together-with-mycoplasma-hominis-in-postpartum-prosthetic-valve-infective-endocarditis-a-case-report
#2
Iva Kotaskova, Petr Nemec, Martina Vanerkova, Barbora Malisova, Renata Tejkalova, Marek Orban, Vita Zampachova, Tomas Freiberger
BACKGROUND: The presence of more than one bacterial agent is relatively rare in infective endocarditis, although more common in prosthetic cases. Molecular diagnosis from a removed heart tissue is considered a quick and effective way to diagnose fastidious or intracellular agents. CASE PRESENTATION: Here we describe the case of postpartum polymicrobial prosthetic valve endocarditis in a young woman. Sneathia sanguinegens and Mycoplasma hominis were simultaneously detected from the heart valve sample using broad range 16S rRNA polymerase chain reaction (PCR) followed by sequencing while culture remained negative...
August 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28764880/risks-and-challenges-of-surgery-for-aortic-prosthetic-valve-endocarditis
#3
Herko Grubitzsch, Waharat Tarar, Benjamin Claus, Davide Gabbieri, Volkmar Falk, Torsten Christ
BACKGROUND: Prosthetic valve endocarditis is the most severe form of infective endocarditis. This study assessed the risks and challenges of surgery for aortic prosthetic valve endocarditis. METHODS: In total, 116 consecutive patients (98 males, age 65.2±12.7years), who underwent redo-surgery for active aortic prosthetic valve endocarditis between 2000 and 2014, were reviewed. Cox regression analysis was used to identify factors for aortic root destructions as well as for morbidity and mortality...
June 21, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28741066/quantification-of-fdg-uptake-in-patients-with-a-suspicion-of-prosthetic-valve-endocarditis-part-of-the-problem-or-part-of-the-solution
#4
EDITORIAL
Fabien Hyafil, François Rouzet, Dominique Le Guludec
No abstract text is available yet for this article.
July 24, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28734430/transcatheter-aortic-valve-implantation-under-direct-visualization-in-homograft-valve-endocarditis
#5
Tarek Chami, Guilherme Attizzani, Benjamin Medalion, Salil V Deo
Prosthetic valve endocarditis is a very grave and often terminal disease. Surgical valve replacement remains the cornerstone treatment for this disease. However, it is often contraindicated. Herein, we describe the implantation under direct visualization of a self-expandable transcatheter heart valve in a prohibitive surgical risk patient with homograft aortic valve endocarditis.
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28719311/infective-endocarditis-in-french-west-indies-a-13-year-observational-study
#6
Elisabeth Fernandes, Claude Olive, Jocelyn Inamo, François Roques, André Cabié, Patrick Hochedez
We conducted an observational study to describe the characteristics of infective endocarditis (IE) in French West Indies (FWI) and to identify variables associated with in-hospital case fatality. The records of the patients admitted for IE to the University Hospital of Martinique between 2000 and 2012 were collected using an electronic case report form. Only Duke-Li definite cases were considered for this analysis. Variables associated with in-hospital mortality were tested using univariate logistic regression analysis...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28713108/current-prescribing-practices-for-antibiotic-prophylaxis-a-survey-of-dental-practitioners
#7
Leah S Spittle, Kathleen B Muzzin, Patricia R Campbell, Janice P DeWald, Francisco Rivera-Hidalgo
AIM: Antibiotic prophylaxis guidelines have been developed for health care and dentistry. The authors examined whether dentists were following the 2007 American Heart Association (AHA) and the 2012 American Association of Orthopaedic Surgeons (AAOS) recommendations for antibiotic prophylaxis. MATERIALS AND METHODS: A survey was sent to 600 dentists in the south-central region of the United States. The survey examined dentists' prescribing practices for patients with cardiac and prosthetic joint replacements, antibiotic regimen prescribed, confidence in their prescription decisions, and dentistry's contribution to antibiotic resistance...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28713024/to-retrieve-or-not-to-retrieve-system-revisions-with-the-micra-transcatheter-pacemaker
#8
Eric Grubman, Philippe Ritter, Christopher R Ellis, Michael Giocondo, Ralph Augostini, Petr Neuzil, Bipin Ravindran, Anshul M Patel, Pamela Omdahl, Karen Pieper, Kurt Stromberg, J Harrison Hudnall, Dwight Reynolds
BACKGROUND: Early experience with leadless pacemakers has shown a low rate of complications. However, little is known about system revision in patients with these devices. OBJECTIVE: To describe the system revision experience with the Micra Transcatheter Pacing System (TPS). METHODS: Implanted patients from the Micra TPS and the Micra Continued Access study (N = 989) were analyzed and compared to 2667 patients with transvenous pacemakers (TVP)...
July 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28711585/global-outbreak-of-severe-mycobacterium-chimaera-disease-after-cardiac-surgery-a-molecular-epidemiological-study
#9
Jakko van Ingen, Thomas A Kohl, Katharina Kranzer, Barbara Hasse, Peter M Keller, Anna Katarzyna Szafrańska, Doris Hillemann, Meera Chand, Peter Werner Schreiber, Rami Sommerstein, Christoph Berger, Michele Genoni, Christian Rüegg, Nicolas Troillet, Andreas F Widmer, Sören L Becker, Mathias Herrmann, Tim Eckmanns, Sebastian Haller, Christiane Höller, Sylvia B Debast, Maurice J Wolfhagen, Joost Hopman, Jan Kluytmans, Merel Langelaar, Daan W Notermans, Jaap Ten Oever, Peter van den Barselaar, Alexander B A Vonk, Margreet C Vos, Nada Ahmed, Timothy Brown, Derrick Crook, Theresa Lamagni, Nick Phin, E Grace Smith, Maria Zambon, Annerose Serr, Tim Götting, Winfried Ebner, Alexander Thürmer, Christian Utpatel, Cathrin Spröer, Boyke Bunk, Ulrich Nübel, Guido V Bloemberg, Erik C Böttger, Stefan Niemann, Dirk Wagner, Hugo Sax
BACKGROUND: Since 2013, over 100 cases of Mycobacterium chimaera prosthetic valve endocarditis and disseminated disease were notified in Europe and the USA, linked to contaminated heater-cooler units (HCUs) used during cardiac surgery. We did a molecular epidemiological investigation to establish the source of these patients' disease. METHODS: We included 24 M chimaera isolates from 21 cardiac surgery-related patients in Switzerland, Germany, the Netherlands, and the UK, 218 M chimaera isolates from various types of HCUs in hospitals, from LivaNova (formerly Sorin; London, UK) and Maquet (Rastatt, Germany) brand HCU production sites, and unrelated environmental sources and patients, as well as eight Mycobacterium intracellulare isolates...
July 12, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28706868/tricuspid-valve-endocarditis
#10
Syed T Hussain, James Witten, Nabin K Shrestha, Eugene H Blackstone, Gösta B Pettersson
Right-sided infective endocarditis (RSIE) is less common than left-sided infective endocarditis (IE), encompassing only 5-10% of cases of IE. Ninety percent of RSIE involves the tricuspid valve (TV). Given the relatively small numbers of TVIE cases operated on at most institutions, the purpose of this review is to highlight and discuss the current understanding of IE involving the TV. RSIE and TVIE are strongly associated with intravenous drug use (IVDU), although pacemaker leads, defibrillator leads and vascular access for dialysis are also major risk factors...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28690300/contemporary-in-hospital-and-long-term-outcomes-of-surgical-management-for-fungal-endocarditis
#11
Jinmiao Chen, Jun Li, Tianyu Zhou, Kui Hu, Zhaohua Yang, Yao Wang, Kai Zhu, Tao Hong, Hao Lai, Chunsheng Wang
Fungal endocarditis (FE) is a rare and fatal disease. The contemporary in-hospital and long-term surgical outcomes of FE have not been adequately evaluated. This study describes our experience with the surgical management of FE.Eight FE patients who underwent surgery in our center from January 2004 to November 2016 were included in this study. Seven had fungal prosthetic valve endocarditis (PVE) and one fungal native valve endocarditis (NVE). The Bentall operation, Cabrol operation, and mitral valve replacement were performed in 4, 3, and 1 patient, respectively...
August 3, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28688832/prosthetic-valve-infective-endocarditis-with-mycobacterium-fortuitum-antibiotics-alone-can-be-curative
#12
Sonali R Gnanenthiran, Eunice Y T Liu, Michael Wilson, Tommy Chung, Thomas Gottlieb
Rapidly growing non-tuberculous mycobacteria (RGM) are a rare, often fatal cause of infective endocarditis. Although surgery has been the cornerstone of RGM endocarditis therapy, we present the first documented adult case of Mycobacterium fortuitum endocarditis cured with antibiotic therapy.
June 15, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28681819/genome-sequence-of-an-invasive-strain-of-streptococcus-gordonii
#13
Thangam Menon, V Naveen Kumar
We report the genome sequence of IE35, a strain of Streptococcus gordonii isolated from the blood of a patient with prosthetic valve endocarditis. Whole-genome sequencing of S. gordonii IE35 strain by the combination of Illumina HiSeq2000 paired-end, Ion Torrent single-end sequencing and gap closing by Illumina NextSeq yielded a single, circular chromosome of 2,190,105 bp. It had 2106 predicted coding sequences, of which 2014 genes encoded proteins involved in various cellular processes and 66 genes coded for RNA...
April 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28674625/gender-related-differences-in-self-reported-dental-care-in-adults-with-congenital-heart-disease-at-increased-risk-of-infective-endocarditis
#14
Susann Schmidt, Marlies Ramseier-Hadorn, Corina Thomet, Kerstin Wustmann, Markus Schwerzmann
OBJECTIVE: Adults with congenital heart disease (CHD) are at increased risk of infective endocarditis (IE). Women with CHD have a lower IE risk, potentially due to gender-related differences in dental care. We aimed to assess self-reported dental hygiene measures in adults with CHD, and to identify factors associated with good oral hygiene. METHODS AND RESULTS: Descriptive study includes 187 adults with CHD at increased risk of IE. The patients' IE knowledge was assessed using an adapted version of the Leuven Knowledge Questionnaire for CHD...
2017: Open Heart
https://www.readbyqxmd.com/read/28671807/valvular-heart-disease-in-adults-infective-endocarditis
#15
Zubair A Khan, Steven M Hollenberg
A variety of microorganisms can cause infective endocarditis (IE) in patients with native valves. Staphylococci and streptococci are most common in community-acquired IE; staphylococci are most common in nosocomial IE. Microbiology of prosthetic valve endocarditis (PVE) depends on timing. Early-onset PVE (ie, 60 days or fewer postsurgery) typically is nosocomial, with Staphylococcus aureus infection being most common. Intermediate-onset PVE (ie, 60 to 365 days postsurgery) typically involves a mix of nosocomial and non-nosocomial organisms...
June 2017: FP Essentials
https://www.readbyqxmd.com/read/28671806/valvular-heart-disease-in-adults-management-of-prosthetic-heart-valves
#16
John F Trujillo, Steven M Hollenberg
Patients undergoing cardiac valve replacement may receive mechanical or bioprosthetic valves. Mechanical valves require lifelong anticoagulation but are durable and the need for a second surgery is up to eightfold times less than with bioprosthetic valves. Bioprosthetic valves do not require lifelong anticoagulation and thus are associated with fewer bleeding complications but they are less durable and associated with higher morbidity and mortality rates, particularly in younger patients. Anticoagulation with mechanical valves is achieved using warfarin; use of direct-acting oral anticoagulants is not indicated...
June 2017: FP Essentials
https://www.readbyqxmd.com/read/28671788/-therapeutic-news-in-infective-endocarditis
#17
Stella Marchetta, Alessandra Iovino, Patrizio Lancellotti, Luc Piérard
The European recommendations for the management of infective endocarditis have been updated in 2015. The therapeutic modalities depend on both a better prevention in high-risk population, a faster diagnosis through new approaches in medical imaging, and interdisciplinary collaboration by an « endocarditis team. » Treatment involves antimicrobial therapy which can be complex, initially empirical and then targeted, depending on local infectious epidemiology, and whether the infringement affects a native or a prosthetic valve...
August 24, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28638578/a-rare-case-of-aerococcus-urinae-infective-endocarditis
#18
Harsha Tathireddy, Sahitya Settypalli, John J Farrell
Introduction:Aerococcus urinae is a rare cause of infective endocarditis. Aerococcus is a gram positive cocci that is easily misidentified as Staphylococci or Streptococci. The true incidence rate of this pathogen is likely underestimated. Recent advances in laboratory diagnostic methods with matrix-associated laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) have lead to increased recognition of this pathogen in the clinical microbiology lab, and awareness as a cause of infective endocarditis in the infectious disease community...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28630186/loss-of-c-5-sterol-desaturase-activity-results-in-increased-resistance-to-azole-and-echinocandin-antifungals-in-a-clinical-isolate-of-candida-parapsilosis
#19
Jeffrey M Rybak, C Michael Dickens, Josie E Parker, Kelly Caudle, Kayihura Manigaba, Sarah G Whaley, Andrew Nishimoto, Arturo Luna-Tapia, Sujoy Roy, Qing Zhang, Katherine S Barker, Glen E Palmer, Thomas R Sutter, Ramin Homayouni, Nathan P Wiederhold, Steven L Kelly, P David Rogers
Among emerging non-albicans Candida species, C. parapsilosis is of particular concern as a cause of nosocomial bloodstream infections in neonatal and intensive care unit patients. While fluconazole and echinocandins are considered effective treatment of such infections, recent reports of fluconazole and echinocandin resistance in C. parapsilosis indicate a growing problem. The present study describes a novel mechanism of antifungal resistance in this organism affecting the susceptibility of azole and echinocandin antifungals in a clinical isolate obtained from a patient with prosthetic valve endocarditis...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629781/position-paper-for-the-evaluation-and-management-of-oral-status-in-patients-with-valvular-disease-groupe-de-travail-valvulopathies-de-la-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-cardiologie-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-chirurgie-orale-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-parodontologie-et-d-implantologie
#20
REVIEW
Sarah Millot, Philippe Lesclous, Marie-Laure Colombier, Loredana Radoi, Clément Messeca, Mathieu Ballanger, Jean-Luc Charrier, Philippe Tramba, Stéphane Simon, Alain Berrebi, Fabien Doguet, Emmanuel Lansac, Christophe Tribouilloy, Gilbert Habib, Xavier Duval, Bernard Iung
Oral health is of particular importance in patients with heart valve diseases because of the risk of infective endocarditis. Recommendations for antibiotic prophylaxis before dental procedures have been restricted, but the modalities of oral evaluation and dental care are not detailed in guidelines. Therefore, a multidisciplinary working group reviewed the literature to propose detailed approaches for the evaluation and management of buccodental status in patients with valvular disease. Simple questions asked by a non-dental specialist may draw attention to buccodental diseases...
August 2017: Archives of Cardiovascular Diseases
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