부산대학교 도서관

Introduction Lactobacilli are Gram-positive rods, commensals of the normal human flora. Generally, these lactic acid-producing bacteria are considered contaminants, however over the last years their clinical relevance is reevaluated. Lactobaciilus delbrueckii is very rarely isolated and only a few cases of L. delbrueckii'urinary tract infections (UTIs) have been reported, mainly in females. Case report We report the case of a L. delbrueckiiUTI in an 82-year-old male suffering from benign prostate hyperplasia with repeated episodes of acute urinary retention over the last month before presenting to our hospital. The catheter urine culture grew >10 (5) CFUs/mL of pure L. delbrueckii on Columbia CNA blood agar and on Trypticase soy agar. Identification was achieved by matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS), using VITEK MS (bioMerieux, France). The patient was successfully treated with cefixime for ten days. A follow-up urine culture performed 7 days after antibiotic discontinuation was sterile. Conclusions To our knowledge the present is the second case of L. delbrueckii urinary tract infection in a male patient. Further cases are required to confirm the clinical significance of these unusual pathogens and their involvement in human urinary tract infections. Keywords Lactobacillus delbrueckii, urinary tract infection, human pathogen, leukocyturia, hypothyroidism.
Introduction Lactobacilli are facultatively anaerobic, Gram-positive, non-spore forming rods, part of the commensal flora of the vagina, oropharynx and digestive tract. They are essential components of probiotics and can be [...]