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The bacterium is a Gram-positive, catalase-negative coccus growing in clusters. Isolates of this genus were originally isolated in 1953 from samples collected in the air and dust of occupied rooms and were distinguished by their tetrad cellular arrangements. 2017-07-01 · Aerococcus urinae is a rare organism isolated from urine cultures. We present a case of an 80 year-old male with bladder cancer and multimorbidity who developed A. urinae infection. A. urinae may cause simple and complicated UTIs, bacteremia, and endocarditis in older adults with multimorbidity, chronic urinary retention, or indwelling catheters.

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urinae (Au) and Aerococcus sanguinicola.2 High-resolution micro-bial identification techniques, such as MALDI-TOF and 16S rDNA gene sequencing, support the notion that is a more Au common cause of urinary tract infection (UTI), endocarditis, bacteremia, and urosepsis than previously thought.2-6 A third 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). Bakterien har fått navnet Aerococcus urinae og er en alfahemolytisk (grønn) streptokokk. Bakterien er også beskrevet som årsak til septikemi og endokarditt (4, 5). Det er flere arter i samme gruppe med klinisk relevans. Stomatococcus, Gemella og Aerococcus viridans forårsaker endokarditt, bakteriemi, meningitt og peritonitt.

Blood cultures revealed gram positive cocci in clusters (2/4 bottles), which ultimately speciated after additional testing as Aerococcus urinae. Aerococcus urinae is a rare organism infrequently isolated from cultures. Mostly known to cause urinary tract infection, it can cause bacteremia leading to severe urosepsis and infective endocarditis.

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A. urinae - associated with urinary tract infections and rarely with endocarditis, septicemia and peritonitis. A. urinaehominis - implicated in urinary tract infections. Usual Susceptibility Pattern 2015-09-28 1997-12-01 Aerococcus urinae is a Gram-positive bacterium which can cause urinary tract infections (UTIs), bacteremia, and infective endocarditis (IE) [1–3]. After the introduction of MALDI-TOF MS for species determination in medical microbiology, A. urinae has been increasingly identified as a relatively common cause of both UTIs and bacteremia [ 4 , 5 ].

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2008;36(3):288-90. Astudillo L, Sailler L, Porte L, et al. Spondylodiscitis due to Aerococcus urinae: A First Report. Introduction.

Aerococcus urinae is a Gram-positive alpha-hemolytic bacterium first isolated and identified from urine from patients with UTI ( 8 ). Since its discovery, A. urinae has been isolated from a wide variety of patients, both male and female, ranging from children to the elderly ( 9 ). Naghibi M, Javaid MM, Holt SG. Case study: Aerococcus urinae as pathogen in peritoneal dialysis peritonitis--a first report. Perit Dial Int. 2007;27(6):715-6. Colakoglu S, Turunc T, Taskoparan M, et al. Three cases of serious infection caused by Aerococcus urinae: A patient with spontaneous bacterial peritonitis and two patients with bacteremia.
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Aerococcus urinae is a Gram-positive, catalase-negative coccus that was first described in the 1990s as a causative organism of urinary tract infections (1). A. urinae levels of 0.3 to 0.8% in urine specimens are reported, with a preponderance in patients with underlying urologic conditions (6, 8).

Less than 50 cases of A. urinae associated with infective  Aerococcus urinae endocarditis: Case report and review of the literature. Infection, 30(5) Penicillin-resistant Aerococcus viridans bacteremia associated with  Session: Poster Abstract Session: Bacteremia and Endocarditis. Saturday Background: Aerococcus species may be isolated from urine, blood or other sources. Of 57 isolates that were speciated, 44 were A. viridans and 13 were A. uri urinae infection with an isolated and uncommon neurological presentation.
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We described the Aerococcus urinae is a Gram-positive bacterium which can cause urinary tract infections (UTIs), bacteremia, and infective endocarditis (IE) [1–3]. After the introduction of MALDI-TOF MS for species determination in medical microbiology, A. urinae has been increasingly identified as a relatively common cause of both UTIs and bacteremia [ 4 , 5 ]. Of these, Aerococcus urinae was isolated in 10 (50%), Aerococcus viridans in 6 (30%), and Aerococcus species (not speciated) in 4 (20%) patients. Seven of 20 (35%) had blood cultures with polymicrobial growth, 3 with coagulase-negative staphylococci, 2 with Enterococcus faecalis and the other 3 with Acinetobacter baumannii, Diphtheroids, and Proteus mirabilis [ Table 1 ]. 2020-04-23 · Melnick S, Nazir S, Hingorani R, Wexler P. Aerococcus urinae, a rare cause of infective endocarditis.