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( Krithikaa Nadarajan ),( Mei Ling Kang ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Case report: A previously healthy 36 year old male presented with diffi culty passing urine after sexual intercourse. This was associated with fever and dysuria. On examination, he was febrile at 37.9 degrees but did not appear septic. There was no loin tenderness, palpable bladder or prostatic tenderness; other systems were normal. He had raised white count of 16,000 (90% polys) and procalcitonin of 23.7. Urine microscopic examination showed pyuria. Blood cultures isolated gram-positive cocci in clusters. He was given empirical vancomycin to cover for Staph. Aureus and Coagulase-Negative Staphylococci. The gram-positive organism was subsequently identifi ed as Aerococcus Urinae. Aerococcus Urinae, fi rst described in 1992, as a catalase-negative environmental Gram-positive coccus growing in clusters; and colonizer of the urinary tract, is increasingly reported to cause urinary tract infections. It can also cause invasive infections such as bacteremia and infective endocarditis. Due to its morphology, it is often misidentifi ed as staphylococci. On blood agar it causes alpha hemolysis and may also be mistaken for Streptococcus viridans. It also shares similar antibiotic resistance patterns as Enterococci Spp and may be misidentifi ed as such. This has therapeutic implications. We review and discuss the infections caused by Aerococcus Urinae, its diagnosis and management.