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Do blood contamination reduction devices work? A single institution comparison.

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Area of Science:

  • Clinical Microbiology
  • Infectious Diseases
  • Medical Devices

Background:

  • Blood culture contamination is a persistent issue in clinical microbiology.
  • Contaminated blood cultures can lead to unnecessary antibiotic use and prolonged hospital stays.
  • Initial specimen diversion devices aim to mitigate contamination during blood collection.

Purpose of the Study:

  • To evaluate the effectiveness of two initial specimen diversion devices in reducing blood culture contamination rates.
  • To assess the utility of these devices in achieving contamination rates at or below 1%.

Main Methods:

  • A 3-month trial comparing two distinct initial specimen diversion devices.
  • Monitoring of overall and device-specific blood culture contamination rates.
  • Analysis of device usage to understand adoption and impact.

Main Results:

  • Overall contamination rates were 2.46% and 2.60% during the trial periods.
  • Device-specific contamination rates were significantly lower at 0.68% and 0.8%.
  • Low overall usage of the devices was noted during the evaluation.

Conclusions:

  • Initial specimen diversion devices show promise in reducing contamination at the device level.
  • Further strategies are needed to increase device adoption and improve overall contamination rates.
  • These devices may offer a valuable tool for enhancing the accuracy of blood cultures.