The bacterial contamination of ultrasound transducers is significantly higher than contamination of public toilet seats and once any surface is contaminated, pathogens can survive a prolonged period of time. This is according to European Society of Radiology Ultrasound Working Group. Studies show improper ultrasound probe disinfection practices leave probes contaminated with microorganisms.
More than 45% of ultrasound probes used across 5 EDs and 5 ICUs had bacterial contamination and over 50% had blood contamination.
More than 90% of transvaginal ultrasound probes were contaminated after cleaning with a paper towel and more than 50% tested positive for MRSA or other potentially pathogenic bacteria.
More than 80% of ultrasound probe handles remain contaminated when not disinfected.
A meta analysis found a prevalence of 12.9% for frequently occurring bacteria and 1% for viruses on transvaginal & transrectal probes after low level disinfection wipes and sprays.
More than 20% of probe heads remained contaminated with bacteria after low level disinfection (LLD) with wipes.
Wireless Ultrasound gained popularity during Covid-19 pandemic because they are small and easy to disinfect with no cords to worry about. They can also be incased in a sterile bag to avoid contamination. That reduce the risk of patient infections and even death. This is particularly important is a low resourced developing countries which lack specialists in disinfection and sterilization. Health care–associated infections (HAIs) is one of the leading causes of death and can also cause serious financial losses to healthcare organizations.
Wireless ultrasound are taking patient safety to the next level.
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