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We report a case of Campylobacter showae bacteremia associated with cholangitis. A 71-year-old man with advanced bile duct cancer was admitted to our hospital because of cholangitis with shock, hypoglycemia, and impaired renal function. After replacement of the biliary drainage tube, pus was drained from the tube. Specimens for blood and bile cultures were obtained, and fluid resuscitation and antimicrobial treatment were then begun. Although anaerobic blood culture yielded small curved gram-negative rods, the isolate could not be identified by conventional identification methods. The isolate was identified as C. showae by 16S rRNA gene sequencing analysis. We consider here the pathogenicity of C. showae and the association of C. showae with cholangitis. [ABSTRACT FROM AUTHOR]

n 11-year-old girl with metastatic neuroblastoma developed recurrent bacteremia during sustained neutropenia after autologous peripheral blood transplantation. All febrile episodes of bacteremia were caused by single Delftia acidovorans strain revealed by ERIC-PCR. This strain became resistant to broad-spectrum penicillins and cephalosporins through antibiotic treatments. Removal of the indwelling vascular catheter resulted in resolution of the infection. So far as we know, this is the first report of vascular catheter-related D. acidovorans bacteremia in Japan. [ABSTRACT FROM AUTHOR]