Reducing Blood Culture Contamination with a Collection Bundle
Author Information
Author(s): Doi Miki, Takesue Yoshio, Makino Miyuki, Kihara Yousuke, Tanikawa Akiko, Murakami Yasushi, Ogashiwa Hitoshi, Nakano Yukiko, Nakama Soichiro, Ueda Takashi, Nakajima Kazuhiko, Nozaki Yasuhiro
Primary Institution: Tokoname City Hospital, Tokoname, Aichi, Japan
Hypothesis
Can a bundled approach to blood culture collection decrease contamination rates?
Conclusion
The implementation of a bundled blood collection intervention significantly reduced the contamination rate from 2.0% to 1.0%.
Supporting Evidence
- The contamination rate decreased significantly from 2.0% to 1.0% after the introduction of the bundle approach.
- A significant decrease in contamination was observed for coagulase-negative Staphylococcus.
- Blood collection through a line caused contamination in only one case during the study.
- Chlorhexidine alcohol swabs were introduced for skin preparation, replacing povidone-iodine.
- Use of a sterile blood transfer device was increased during the intervention period.
- The study included a total of 5034 blood culture events over three years.
Takeaway
Using a special method to collect blood samples helped make sure fewer samples got contaminated, which is really important for getting the right test results.
Methodology
The study compared contamination rates before and after implementing a blood culture collection bundle that included specific skin disinfection and blood transfer techniques.
Potential Biases
The study was conducted at a single center, which may limit the generalizability of the results.
Limitations
The study did not collect data on patient comorbidities or antibiotic use, which could affect the findings.
Participant Demographics
Median age was 80 years, with a similar sex distribution (55% male) across both study periods.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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