Annals of Clinical Microbiology, The official Journal of the Korean Society of Clinical Microbiology

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pISSN 2288-0585 eISSN 2288-6850

Two Cases of Leuconostoc Bacteremia

Case report

Annals of Clinical Microbiology (Ann Clin Microbiol) 2002 June Volume 5, Issue 1, pages 62-67.

Two Cases of Leuconostoc Bacteremia

Young Uh, Hyeun Gyeo Lee, Gyu Yel Hwang, Kap Jun Yoon, Soo Young Yoo*, Baik Soon Koo**, and Hyo Youl Kim**

Departments of Clinical Pathology, General Surgery*, and Internal Medicine**, Yonsei University Wonju College of Medicine, Wonju, Korea

Abstract

Although Leuconostoc species with intrinsic high-level vancomycin resistance have rarely been isolated from clinical specimens, this organism may cause serious invasive infections such as bacteremia and meningitis in immunocompromised hosts or patients with a wide spectrum of underlying diseases including alcoholic liver diseases and gastrointestinal diseases. Predisposing factors of Leuconostoc bacteremia include intravenous or enteral feeding catheters, other invasive access devices such as tracheostomy, gastrostomy or endotracheal tubes, and previous antimicrobial treatment. This low prevalence may be due, in part, to the inability of automated systems to recognize this organism. It is important that all Leuconostoc isolates obtained from clinical specimens that are related to serious infections should be identified to species level for appropriate antibiotic therapy. We report two cases of Leuconostoc bacteremia occurring in a 65-year-old male with variceal bleeding, and in a 5 month child with ileostomy receiving total parenteral nutrition therapy. (Korean J Clin Microbiol 2002;5(1):62-67)

Keywords

Leuconostoc, Bacteremia, Vancomycin resistance