Findings of Blood Cultures Performed under ICT Requirements in Our Hospital

KOBAYASHI Intetsu, FUKUI Yasuo, TERAZAWA Masayo, ONO Noriaki, KUMON Toyo, OKAZAKI Yuki, ITO Takamitsu

doi:10.11550/jsei1986.22.186

The criteria for blood culture established by the Infection Control Team (ICT) in our hospital are white blood cell (WBC) count ≥12, 000/μL, CRP≥1mg/dL and body temperature ≥37°C. A total of 125 inpatients, from whom samples for microbiological testing were collected between May 2005 and April 2006, came under any one of these requirements. Additional blood culture was performed in 49 of these patients. The cultures were positive in 15 (31%) of these 49 patients.<BR>Only one bacterial species was detected in each positive sample. The isolates were methicillinresistant Staphylococcus aureus in 4 patients, Escherichia coli in 3 patients, and coagulase-negative Staphylococcus, Enterococcus faecalis, β-hemolytic Streptococcus, Klebsiella pneumoniae, Klebsiella oxytoca, Acinetobacter lwoffii, Clostridium perfringens and Candida glabrata in one patient each.<BR>WBC count, CRP or body temperature showed no large differences between patients with positive cultures and those with negative cultures. There were no trends in clinical symptoms, but there were many patients with positive cultures had diabetes as an underlying disease.<BR>Bloodstream infection or its signs may be overlooked in the absence of blood culture. Blood culture and monitoring based on the clinical condition should also be performed for the prevention of nosocominl infections.

Findings of Blood Cultures Performed under ICT Requirements in Our Hospital

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