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Microplastics in intravenous fluids: Occurrence, characterization, and risk indicators
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Scientists tested 50 IV fluid bags for tiny plastic particles and found most were clean, but a handful contained trace amounts of microplastics. The levels detected were low enough to be considered low-risk overall, so IV fluids currently appear safe, but as more medical products get tested for microplastic contamination, this is a quality issue worth continuing to monitor.
In this study, the presence of microplastics was investigated in a total of 50 commercially available intravenous fluid samples in Türkiye, and ATR/FT-IR spectroscopy was used for particle identification. As a result of the analyses, microplastic contamination was detected in only 9 samples. Considering all samples examined, the average amount of microplastics was calculated as 0.40 ± 0.90 MP/L. Accordingly, microplastic exposure associated with the single-use administration of intravenous fluids (all samples) was determined to be approximately 0.20 MPs per unit. While the microplastic diversity index indicated very limited diversity at 0.02 ± 0.11, the average polymeric risk index was 5.64 ± 18.2, indicating a low overall risk level. The average pollution load index for all samples was 1.06, corresponding to a moderate contamination level. The findings show that intravenous fluids generally exhibit a safe profile; however, microplastics represent an increasingly important quality and exposure parameter in medical products that should be monitored.
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Researchers analyzed intravenous (IV) fluid bags and bottles from Italy, Spain, and Ecuador and found microplastics in nearly all samples, with plastic bags containing up to 299 particles per liter. This is concerning because IV fluids deliver microplastics directly into the bloodstream, bypassing the body's natural barriers, and some brands showed concentrations high enough to pose clinical risk.
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This study investigated microplastic contamination in intravenous (IV) fluid bags used in hospitals, finding that prolonged storage in plastic containers leads to microplastic particles leaching into the solution. This means patients receiving IV treatments may be exposed to microplastics that enter the bloodstream directly, bypassing the body's natural barriers. The findings highlight an overlooked route of microplastic exposure in medical settings that needs further investigation.
Microplastics Entry into the Blood by Infusion Therapy: Few but a Direct Pathway
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Researchers tested infusion therapy equipment including glass bottles, plastic bottles, plastic bags, and tubes for microplastic contamination. They found microplastics in about 12% of samples, with particles ranging from 4 to 148 micrometers in size. Although the amounts were small, the study shows that IV infusions could be a direct route for microplastics to enter the bloodstream, which may partly explain why microplastics have been found in human blood.
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