Canis ISSN: 2398-2942

Blood: culture

Contributor(s): Prof Bernard Feldman

Introduction

  • If blood is collected by a sterile technique and bacteria are subsequently cultured from the sample → bacteremia.

Uses

  • Diagnosis of bacteremia.
  • Investigation of fever - to rule out bacteremia.
  • Investigation of discospondylitis Diskospondylitis , to try to identify etiological agent.
  • Investigation of suspected endocarditis Endocarditis: bacterial.
  • In combination with intravenous catheter culture.

Advantages

  • Simple technique.
  • Relatively non-invasive.

Disadvantages

  • Bacteria may not be constantly present in blood but shed into bloodstream on an intermittent basis.
  • Administration of antibiotics prior to sampling can result in false negative results.
  • May take up to two weeks to get a result on culture and sensitivity testing.
  • Positive results may represent contamination.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Calvert C A & Greene C E (1986) Bacteremia in dogs; diagnosis, treatment and prognosis. Cont Ed Pract Vet (3), 179-186 VetMedResource.
  • Hirsch D C, Jang S S & Biberstein E L (1984) Blood culture of the canine patient. JAVMA 184 (2), 175-178 PubMed.
  • Washington J A 2nd (1975) Blood cultures, principles and techniques. Mayo Clinical Proceedings 50 (2), 91-98 PubMed.


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