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Query: UMLS:C0014118 (endocarditis)
 15,629 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The HACEK group of organisms are one of the infrequent causes of infective endocarditis. Infective endocarditis should be recognized and treated promptly to prevent excessive morbidity and mortality associated with the disease. Sometimes the diagnosis is delayed due to vague and subtle presentation. Through this case report, risk factors of Cardiobacterium hominis endocarditis and its atypical presentation is illustrated to increase the recognition of infective endocarditis as one of the differential diagnosis. [Full article available at http://rimed.org/rimedicaljournal-2016-07.asp, free with no login].
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PMID:Atypical presentation of infective endocarditis. 2737 55

Ochrobactrum anthropi is a gram-negative rod of low virulence. Infections due to this organism are uncommon; however in immunocompromised hosts it can cause severe infections. Among the many infections it can cause, infective endocarditis is very rare. Even rarer is infective endocarditis of the native valves, as Ochrobactrum antropi affects damaged or prosthetic valves almost exclusively. This case describes native valve endocarditis due to Ochrobactrum anthropi. [Full article available at http://rimed.org/rimedicaljournal-2016-07.asp, free with no login].
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PMID:A case of Ochrobactrum anthropi-induced septic shock and infective endocarditis. 2737 56

Implantable pacemakers stand as a mainstay in our therapeutic arsenal, affording those suffering from advanced cardiac conduction system disease both an improved quality of life and reduced mortality. Annually, over 225,000 new pacemakers are implanted in the United States for bradyarrhythmias and heart block. The first implantable transvenous pacemakers appeared in 1965; they were bulky devices, hobbled by a short battery life, and a single pacing mode. Modern transvenous pacemakers have evolved considerably with significant improvements in battery life, pacing options, and lead technology but are still subject to a spectrum of complications stemming from either the subcutaneous pocket or the leads, including: hematoma, infection, wound dehiscence, pneumothorax, cardiac tamponade, lead dislodgment, upper extremity deep vein thrombosis, lead failure, venous obstruction, tricuspid valve insufficiency, and endocarditis. Single-chamber right ventricular (RV) leadless cardiac pacemakers, a concept from the past, has been revitalized to address these complications. Improvements in battery life, device miniaturization, catheter-based delivery tools, and advanced programming have made leadless cardiac pacemakers a viable option. In this review, we will discuss single-component leadless cardiac pacemaker technology, provide an overview of the two approved devices, and discuss their benefits as well as their limitations. [Full article available at http://rimed.org/rimedicaljournal-2017-11.asp].
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PMID:Leadless Cardiac Pacemakers: The Next Evolution in Pacemaker Technology. 2908 72

Aerococcus urinae is an emerging pathogen that causes urinary tract infections, bacteremia and infective endocarditis. The mechanisms through which A. urinae cause infection are largely unknown. The aims of this study were to describe the surface proteome of A. urinae and to analyse A. urinae genomes in search for genes encoding surface proteins. Two proteins, denoted Aerococcal surface protein (Asp) 1 and 2, were through the use of mass spectrometry based proteomics found to quantitatively dominate the aerococcal surface. The presence of these proteins on the surface was also shown using ELISA with serum from rabbits immunized with the recombinant Asp. These proteins had a signal sequence in the amino-terminal end and a cell wall-sorting region in the carboxy-terminal end, which contained an LPATG-motif, a hydrophobic domain and a positively charged tail. Twenty-three additional A. urinae genomes were sequenced using Illumina HiSeq technology. Six different variants of asp genes were found (denoted asp1-6). All isolates had either one or two of these asp-genes located in a conserved locus, designated Locus encoding Aerococcal Surface Proteins (LASP). The 25 genomes had in median 13 genes encoding LPXTG-proteins (range 6-24). For other Gram-positive bacteria, cell wall-anchored surface proteins with an LPXTG-motif play a key role for virulence. Thus, it will be of great interest to explore the function of the Asp proteins of A. urinae to establish a better understanding of the molecular mechanisms by which A. urinae cause disease.
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PMID:Identification of two abundant Aerococcus urinae cell wall-anchored proteins. 3125 68