Prolonged Incubation and Extensive Subculturing Do Not Increase Recovery of Clinically Significant Microorganisms from Standard Automated Blood Cultures

An extensive blood culture protocol, including prolonged incubation of cultures, for 215 patients believed to have had endocarditis yielded only 3 clinically relevant results. Twenty-four Haemophilus, Actinobacillus, Cardiobacterium, Eikenella, and Kingella (i.e., HACEK) organisms were recovered fro...

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Bibliographic Details
Published in:Clinical infectious diseases 2005-12, Vol.41 (11), p.1677-1680
Main Authors: Baron, Ellen Jo, Scott, John D., Tompkins, Lucy S.
Format: Article
Language:English
Subjects:
Actinobacillus
Bacteremia - diagnosis
Bacteremia - microbiology
Bacteria
Bacteria - isolation & purification
Bacteriological Techniques - methods
Biological and medical sciences
Blood
Bottles
Brief Reports
Brucella
Cardiobacterium
Clinics
Culture Media
Eikenella
Endocarditis
Endocarditis, Bacterial - diagnosis
Endocarditis, Bacterial - microbiology
Haemophilus
Heart
Hospitals
Humans
Infectious diseases
Inflammatory diseases
Inoculation
Kingella
Legionella
Medical diagnosis
Medical sciences
Methods
Microbiology
Mycology
Patients
Protocol
Retrospective Studies
Sediments
Time Factors
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Summary:An extensive blood culture protocol, including prolonged incubation of cultures, for 215 patients believed to have had endocarditis yielded only 3 clinically relevant results. Twenty-four Haemophilus, Actinobacillus, Cardiobacterium, Eikenella, and Kingella (i.e., HACEK) organisms were recovered from standard 5-day blood cultures during the same time period. Specialized methods and not extended incubation times are recommended for recovery of fastidious agents of septicemia.
ISSN:1058-4838
1537-6591
DOI:10.1086/497595