Abstract
Herein we report two cases of infections caused by Tissierella praeacuta and a review of the literature. The first case was a septic pseudarthrosis of the left femur after multiple fractures. Two per-operative samples were positive with T. praeacuta. The patient was successfully treated by piperacillin - tazobactam and metronidazole. The second case was a bacteremia in a patient suffering from pyonephrosis and a hepatic abscess. The treatment was meropenem. No relapses were observed in both cases. Identification of the strains using MALDI-TOF coupled to mass spectrometry (MS) (Beckman coulter, France) was inconclusive in the two cases. Identification by 16S rRNA sequencing was then performed. This bacterium was susceptible to beta-lactams, chloramphenicol, rifampicine and metronidazole.
Keywords:
16S rRNA; Blood stream infection; Joint infection; MALDI-TOF mass spectrometry; Tissierella praeacuta.
Copyright © 2016 Elsevier Ltd. All rights reserved.
MeSH terms
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Adult
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Aged
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Anti-Bacterial Agents / therapeutic use
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Bacteremia / complications
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Bacteremia / diagnosis*
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Bacteremia / drug therapy
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Bacteremia / microbiology
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Bacterial Typing Techniques
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Femoral Neck Fractures / complications
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Femoral Neck Fractures / diagnosis*
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Femoral Neck Fractures / drug therapy
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Femoral Neck Fractures / microbiology
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Femur / microbiology
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Femur / pathology
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Firmicutes / genetics
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Firmicutes / isolation & purification*
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Humans
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Liver Abscess / complications
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Liver Abscess / diagnosis*
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Liver Abscess / drug therapy
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Liver Abscess / microbiology
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Meropenem
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Penicillanic Acid / analogs & derivatives
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Penicillanic Acid / therapeutic use
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Piperacillin / therapeutic use
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Piperacillin, Tazobactam Drug Combination
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Polymerase Chain Reaction
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Pseudarthrosis / complications
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Pseudarthrosis / diagnosis*
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Pseudarthrosis / drug therapy
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Pseudarthrosis / microbiology
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Pyonephrosis / complications
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Pyonephrosis / diagnosis*
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Pyonephrosis / drug therapy
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Pyonephrosis / microbiology
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RNA, Ribosomal, 16S / genetics
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Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
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Thienamycins / therapeutic use
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Treatment Outcome
Substances
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Anti-Bacterial Agents
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RNA, Ribosomal, 16S
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Thienamycins
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Piperacillin, Tazobactam Drug Combination
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Penicillanic Acid
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Meropenem
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Piperacillin