Bacterial contamination of salvaged blood in open heart surgery: is that an airborne contamination or a normal skin flora contamination?

T. Ishida, S. Nakano, H. Nakatani, A. Gomi, T. Sato, N. Saegusa, A. Ito, A. Okada, Y. Tazawa

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We investigated sources of bacterial contamination of intraoperative salvaged blood producted by autologous transfusions device (CS; CELL SAVER 5, Heamonetics Corp., Braintree, MA). Eleven patients undergone open heart surgeries including 2 emergency operations with a median sternotomy enrolled in this study. Blood samples were drawn from salvaged blood bags. Airborne contaminants (AB) were collected by a blood agar plate put besides the operation bed for 30 minutes. The median wounds samples were collected by a swab. Bacterial growth was detected in 81.8% of salvaged blood samples. Twenty-nine bacterium were isolated from CS, 72.4% of those were Staphylococci. 9.1% of sample was positive in wound swabs. Forty bacterium were isolated from plate cultures. 65% of them were Staphylococci. Staphylococcus epidermidis and coagulase negative Staphylococcus isolated both CS and AB in the 2 cases had the same identify codes, and incubated from several AB cultures. Corynebacterium sp. is also isolated from both CS and AB cultures in other 2 same cases. In 7 out of 8 cases (87.5%), from which Staphylococci isolated in CS, the Staphylococci were cultured from AB in not the same but the other cases. In conclusion, highly incidence of the identification in identical code of Staphylococci indicated that the main source of CS contamination was highly suspected to AB.

Original languageEnglish
Pages (from-to)753-757
Number of pages5
JournalKyobu geka. The Japanese journal of thoracic surgery
Volume54
Issue number9
StatePublished - Aug 2001
Externally publishedYes

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