Open Dressings Show Early Contamination
Study finds microbial growth across settings and dressing types following routine clinical handling
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By
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Meg Barbor
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March 20, 2026
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Open-but-unused wound dressings showed detectable microbial contamination shortly after opening under routine clinical conditions.
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The study found microbial growth in 65% of samples, with contamination increasing over time and with repeated handling.
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Coagulase-negative staphylococci were the most common contaminant, found in 77% of contaminated samples.
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Contamination rates were higher in hospital settings compared to primary care, with Staphylococcus aureus more frequently detected in hospitals.
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Scissors used to cut dressings were contaminated in 75% of samples, indicating a potential source of cross-contamination.