First case of bacteremia caused by Cetobacterium somerae following necrotizing cholecystitis |
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Affiliation: | 1. Department of Clinical Infectious Diseases, Kochi Medical School, Kochi University, Japan;2. Division of Infection and Prevention, Kochi Medical School Hospital, Japan;3. Department of Clinical Laboratory, Kochi Medical School Hospital, Japan;4. Department of Pharmacy, Kochi Medical School Hospital, Japan;5. Department of Clinical Infectious Diseases, Aichi Medical University, Japan |
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Abstract: | Cetobacterium somerae, a gram-negative anaerobic rod, first identified in the feces of children with autism, also colonize freshwater fish intestinal tract. However there have been no reports of human C. somerae infection. Here, we describe the first case of C. somerae bacteremia in a patient with necrotizing cholecystitis. A 72-year-old male presented to the emergency department with chills, vomiting, and fever and was diagnosed with acute necrotizing cholecystitis. An emergency cholecystectomy was performed and the following day, two sets of blood culture were positive for gram-negative bacilli. Identification of C. somerae from the biochemical profile was difficult but possible by mass spectrometry and 16s rRNA sequence. |
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Keywords: | MALDI-TOF 16S rRNA AST" },{" #name" :" keyword" ," $" :{" id" :" kwrd0035" }," $$" :[{" #name" :" text" ," _" :" antimicrobial susceptibility testing BLAST" },{" #name" :" keyword" ," $" :{" id" :" kwrd0045" }," $$" :[{" #name" :" text" ," _" :" Basic Local Alignment Search Tool BTB" },{" #name" :" keyword" ," $" :{" id" :" kwrd0055" }," $$" :[{" #name" :" text" ," _" :" bromothymol blue CT" },{" #name" :" keyword" ," $" :{" id" :" kwrd0065" }," $$" :[{" #name" :" text" ," _" :" computed tomography GAM" },{" #name" :" keyword" ," $" :{" id" :" kwrd0075" }," $$" :[{" #name" :" text" ," _" :" Gifu anaerobic agar medium MALDI-TOF" },{" #name" :" keyword" ," $" :{" id" :" kwrd0085" }," $$" :[{" #name" :" text" ," _" :" matrix-assisted laser desorption/ionization time-of-flight mass spectrometry MIC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0095" }," $$" :[{" #name" :" text" ," _" :" minimum inhibitory concentration |
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