IL 2 2017 - Infektion.net
Aerococci urinae is a Gram-positive, catalase-negative, bacterium that grows in clusters, often appearing in colonies that resemble Streptococci viridans [ 1 ]. Its genus was first described in 1953, with the first reported case of A. urinae in a human described in 1992 [ 1, 2 ]. Se hela listan på hindawi.com Answer: Aerococcus sanguinicola DISCUSSION Species belonging to the genus Aerococcus are isolated from the urine and blood of elderly patients with underlying illnesses, such as diabetes, heart disease, or urological conditions. They are facultatively anaerobic GPCs arranged in pairs, tetrads or irregular clusters, catalase and oxidase (-). Aerococcus urinae (A.urinae) isanewcomer to clinical and microbiological practice.
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Det skulle dröja åtskilliga decennier innan nästa aerokockart, A. urinae, upptäcktes. Se hela listan på academic.oup.com Antimicrobial susceptibility studies on the organisms mentioned in the chapter have generally employed dilution testing methods. The lack of standardized methods and interpretive criteria and the relatively small collections of isolates for some of the genera discussed in the chapter make it difficult to accurately assess antimicrobial susceptibility patterns. Since Aerococcus sanguinicola was designated as a species in 2001, only a few cases of bacteremia have been reported. The aim with this study was to describe the clinical presentation of A sanguinicola bacteremia and to determine the antibiotic susceptibility and the capacity of the bacteria to form biofilm and to induce platelet aggregation.
Nordic Committee on Antimicrobial Susceptibility Testing
A. urinae och A.sanguinicola förekommer vid urinvägsinfektion, septikemi, endokardit och meningit. A. viridans förekommer vid urinvägsinfektioner om predisponerande faktorer finns.
Epidemiology and antibiotic susceptibility of aerococci in
Species belonging to the Aerococcus genus are isolated from the urine and blood of elderly patients suffering from urinary tract infections (UTIs). However, the clinical significance, phenotypic features and antimicrobial susceptibilities of these underestimated and/or misidentified species remain unclear. In this study, 120 aerococcal isolates, A. urinae ( n = 81) and A. sanguinicola ( n = 39), of European origin were tested for susceptibility to six antimicrobial agents using the methodology recommended by The European Committee on Antimicrobial Susceptibility Testing (EUCAST).
They are facultatively anaerobic GPCs arranged in pairs, tetrads or irregular clusters, catalase and oxidase (-). Aerococcus urinae and Aerococcus sanguinicola are relatively newcomers and emerging organisms in clinical and microbiological practice. Both species have worldwide been associated with urinary tract infections.
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The A. urinae and A. sanguinicola patients were old (median age >80 years), predominately of male gender and underlying urological diseases were common. Aerococcus urinae is increasingly recognized as a potentially significant urinary tract bacterium. A. urinae has been isolated from urine collected from both males and females with a wide range of clinical conditions, including urinary tract infection (UTI), urgency urinary incontinence (UUI), and overactive bladder (OAB). A retrospective chart review was performed on 92 patients from whom 118 isolates of Aerococcus sanguinicola (n = 52) or Aerococcus urinae (n = 66) were obtained from urine cultures between October 2007 and June 2008 to assess clinical presentation and antimicrobial susceptibilities. Keywords: Aerococcus, Aerococcus sanguinicola, Aerococcus urinae, antibiotic treatment, infective endocarditis, urinary tract infection Article published online: 8 October 2015 Corresponding author: M. Rasmussen, Department of Clinical Sciences Lund, Division of Infection Medicine, Tornavägen 10, BMC B14, SE-221 84 Lund, Sweden Aerococcus urinae and Aerococcus sanguinicola: Susceptibility Testing of 120 Isolates to Six Antimicrobial Agents Using Disk Diffusion (EUCAST), Etest, and Broth Microdilution Techniques. Aerococcus urinae is a member of the bacterial genus Aerococcus.
8%) [18,23]. Bacteremia with Aerococcus sanguinicola: case series with charac-. terization
71. Pasteurella multocida. 72.
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All aerococcal isolates were susceptible to amoxicillin, vancomycin, and teicoplanin and showed a low-level resistance to gentamicin. Fluoroquinolones, co-trimoxazole, and fosfomycin exhibited a variable activity. Aerococcus urinae and Aerococcus sanguinicola are newcomers to clinical and microbiological practice. The first report on A. urinae was published in 1989 (14) and the name designated in 1992 and A.sanguinicola was named in 2001 . A retrospective chart review was performed on 92 patients from whom 118 isolates of Aerococcus sanguinicola (n = 52) or Aerococcus urinae (n = 66) were obtained from urine cultures between October 2007 and June 2008 to assess clinical presentation and antimicrobial susceptibilities.
Bakteriesläktet Aerococcus består av åtta arter av s.k. Grampositiva kocker.
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Nordic Committee on Antimicrobial Susceptibility Testing
No standardized susceptibility test methods or interpretive criteria have been proposed for this organism. This study reports the MIC results for 128 A. urinae isolates tested by broth microdilution. The isolates had low MICs to amoxicillin, cefotaxime, ceftriaxone, doxycycline, linezolid, meropenem Aerococcus Urinae and Aerococcus Sanguinicola: Susceptibility The Open Microbiology Journal, 2017, Volume 11 161. Conclusion: All isolates were found susceptible to all six antimicrobial agents: penicillin, cefotaxime, meropenem, vancomycin, linezolid, and sanguinicola n=13, A. viridans n=14 and A. christensenii n=1). This corresponds to an incidence of approximately 14 cases per 1,000,000 inhabitants per year for A. urinae. The A. urinae and A. sanguinicola patients were old (median age >80 years), predominately of male gender and underlying urological diseases were common. FIG. 1.