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Case Report

A Case of Septicaemia Caused by Shewanella Putrefaciens in a 9 Month Old Infant

Ranjana Hawaldar , Sadhna Sodani , Ranjana Hawaldar

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Journal of Microbiology and Related Research 1(1):p 37-40, . | DOI:
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Abstract

Background: Shewanella putrefaciens is as yet rarely responsible for clinical syndromes in humans. It is a gram negative non fermentative, oxidase positive, motile bacillus that is found mainly in marine environments. It produces hydrogen sulfide. It is a facultative anaerobe which grows quickly on both solid and liquid media. It was first isolated from dairy products in 1931 by Derby and Hammer. Aim : Infections with Shewanella putrefaciens in humans is on the rise in recent years and it mainly causes soft tissue infections, otitis media, bacteremia and pneumonia with other pathogens like E.coli. Materials and Methods: Here we report a case of septicaemia caused by Shewanella putrefaciens in a 9 month old infant. . Blood sample was collected in paediatric blood culture broth in a ratio of 1:5 (blood: broth) and was incubated in BactT/Alert (Biomeriux) and then subcultured on blood and MacConkey agar plates. The growth of gram negative,non fermentative,oxidase positive bacteria was identified as Shewanella putrefaciens by Microscan (Siemens) and was found to be susceptible to Amoxy/clav,cefipime, c e f o p e r a z o n e / s u l b a c t u m , c e f o t a x i m e , c e f t a z i d i m e , ciprofloxacillin.doripenum,ertapenem,imipenemmeropenem,piperacillin/tazobactum,tetracycline,ticarcillin/clavulinic acid,tigecycline and Trimethoprim/sulpha. Conclusion: Shewanella putrefaciens is as yet rarely responsible for clinical syndrome in humans. However the infection with this organism is on the rise in recent years. So attention should be devoted to unusual pathogens.

Keywords: Shewanella putrefaciens antibiotic susceptibility, identification, infections, septicaemia.

 

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  • Ranjana Hawaldar
    ,
  • Sadhna Sodani
    ,
  • Ranjana Hawaldar
    ,
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