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The bacterium was recognized as a distinct species in 1992 . A. urinae shares features with staphylo-cocci, streptococci and enterococci as the bacterium grows 2021-01-01 2010-09-01 Clin Microbiol Infect ABSTRACT: Aerococcus urinae is a Gram-positive bacterium that can cause invasive infection, including infectious endocarditis (IE), mainly in older men. A. urinae is often misclassified in routine diagnostic laboratories. Through searches in the laboratory databases we identify 16 isolates of A. urinae causing bacteraemia during a 6-year period in southern Sweden Conclusions: Aerococcus urinae is a rare microorganism usually found in the urinary tract, which until recently was thought to be a urinary contaminant lacking clinical significance. It is now being recognized as an emerging cause of UTIs, especially in elderly males with urologic conditions, with the potential to cause bacteremia if not appropriately treated. Aerococcus urinae, which has been more extensively studied, also infects elderly men with urinary tract abnormalities, but patients with A urinae bacteremia seem to have less neurological disease . / Clinical and microbiological features of bacteraemia with Aerococcus urinae.
Christensen JJ, Jensen IP, Faerk J, Kristensen B, Skov R, Korner B. Bacteremia/septicemia due to Aerococcus-like organisms: report of seventeen cases. May 28, 2020 Since its first classification, Aerococcus urinae has emerged as a human pathogen capable of causing urinary tract infections (UTI), as well as more invasive infections, including bacteremia, 1,2 endocarditis, 3,4 septicemia 5 and necrotizing soft tissue infections. 6-8 We became particularly interested in A. urinae as a member of the urinary microbiota—the polymicrobial Aerococcus urinae muodostaa verimaljalle viljeltynä 24 tunnin inkubaatioajalla hiilidiok- sidiolosuhteissa pieniä noin 0,5 mm kokoisia pesäkkeitä, jotka ovat ulkonäöltään kupe- ria, läpikuultavia ja kiiltäviä (Christensen – Ruoff 2015: 428). Background: Aerococcus urinae has lately been acknowledged as a cause of infective endocarditis (IE) especially in older males with underlying urinary tract disorders. In this population, cardiac implanted electronical devices (CIED) are not uncommon, but despite the capacity of A. urinae to form biofilm in vitro, no cases of aerococcal CIED infections have been reported to date.
A. urinae is often misclassiﬁed in routine diagnostic laboratories.
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It is known to cause urinary tract infections (UTIs), bacteremia, and endocarditis in humans. There is limited data regarding the susceptibility of A. urinae to first-line antimicrobials indicated for the treatment of UTIs. 2019-10-23 · Background: Aerococcus urinae is a Gram-positive coccus that is increasingly recognized as a urinary pathogen since the introduction of mass spectrometry for identification of bacteria. We report a case of abdominal aortitis (with aneurysm) caused by A urinae in a male with recurrent urinary tract infections and recently treated A urinae bacteremia.
A Case of Pacemaker Endocarditis Caused by Aerococcus
Bartinellosis (1). Bacteremia (1). Bartonellosis (2).
The isolates had low MICs to amoxicillin, cefotaxime, ceftriaxone, doxycycline, linezolid, meropenem
Aerococcus urinae may cause urinary tract infections, bacteremia, and endocarditis. No standardized susceptibility test methods or interpretive criteria have been proposed for this organism. To evaluate procedures for the identification of Aerococcus urinae, we examined 24 α‐hemolytic non‐enterococcal bacterial isolates from 4373 urine samples.Published procedures were compared with 16s rRNA sequencing and biochemical profiling (BBL‐Crystal‐GP). 16s rRNA sequencing and BBL‐Crystal‐GP identified the same 13 isolates as A. urinae. Parent taxon: Aerococcus Williams et al. 1953 (Approved Lists 1980) Assigned by: Aguirre M, Collins MD. Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections: description of Aerococcus urinae sp.
Mostly known to cause urinary tract infection, it can cause bacteremia leading to severe urosepsis and infective endocarditis. Embolization is frequently reported with Aerococcus urinae endocarditis (AUE); hence, the presentation is highly variable. Aerococcus urinae, which has been more extensively studied, also infects elderly men with urinary tract abnormalities, but patients with A urinae bacteremia seem to have less neurological disease .
Less than 50 cases of A. urinae associated with infective
Nov 30, 2020 for Aerococcus urinae bacteremia for which no source could be. identiﬁed. Transesophageal echocardiography (TEE) showed.
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Urinvägsinfektioner - Käypä hoito
A. urinae naturally is isolated from dust, air, vegetation, and hospital environments. Aerococci have often been misidentified as streptococci in microbiology laboratories, leading to an underestimation of these bacteria as causes of human infections.