Anaerobiospirillum succiniciproducens and Desulfovibrio desulfuricans in 2 cases of insidious bacteremia

Revista Argentina de microbiología
Silvia C PredariLiliana Castello

Abstract

Two cases of insidious bacteremia by uncommon curve and spiral-shaped, motile anaerobic gram-negative rods are presented. Both of them were of an unclear origin and occurred in immunosuppressed patients with simultaneous diseases. The key tests for the identification of Anaerobiospirillum were its micromorphology, a strictly anaerobic condition, negative catalase activity, the special-potency disk profile, glucose fermentation, and β-NAG production. Desulfovibrio species was identified by all the above preliminary tests but with a different disk profile, as well as for being asaccharolytic and desulfoviridin and H2S producer. We here alert about the resistance or intermediate susceptibility of Anaerobiospirillum succiniciproducens against antimicrobial agents, such as metronidazole, one of the first-line drugs used for the treatment of anaerobic gram-negative infections. Aminopenicillins with β-lactamase-inhibitor combinations and imipenem were active for this agent. Desulfovibrio desulfuricans was β-lactamase producer and resistant to cephalosporins, while metronidazole, imipenem and levofloxacin were active. A reliable identification of these microorganisms is important for establishing the best therapeutic scheme.

References

Oct 1, 1983·Journal of Clinical Pathology·H MalnickM Robbins
Jun 7, 2003·Journal of Clinical Microbiology·Ellie J C GoldsteinSally A Cross
Aug 6, 2005·Journal of Clinical Microbiology·Yumi A WarrenEllie J C Goldstein
Mar 8, 2007·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Britta LassmannJon E Rosenblatt
Feb 18, 2010·Anaerobe·Suguru IchiishiKunitomo Watanabe
Jun 24, 2010·World Journal of Gastroenterology : WJG·Xin-Ping Tian, Xuan Zhang
Dec 15, 2015·Revista Argentina de microbiología·Edgardo R StreitenbergerAriel I Suarez
Mar 1, 2016·Anaerobe·Steven De KeukeleireDenis Piérard

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