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Plastics in the Perioperative Period: Deleterious Health Effects on Patients and Providers

Anesthesiology 2026
John S. McNeil, Siddarth R. Dasari, Michael P. Calgi, Aliena E. Lowell, Patrick J. Monette, Paul Gallo, Michael Mazzeffi, Bryan W. Berger

Summary

The plastic tools used during surgery—IV lines, breathing tubes, syringes—may shed tiny, often invisible plastic particles directly into your bloodstream and lungs, bypassing the body's normal defenses right when you're already under physical stress. This review paper points out that while we don't yet have proof these microplastics directly cause harm in humans, animal studies show potential risks, and both patients and the anesthesiologists/nurses working in operating rooms face repeated exposure. The takeaway: more research and safer plastic alternatives in healthcare settings are needed to protect everyone in the room.

Body Systems
Models

Plastic enables anesthesiology through packaging, syringes, tubing, catheters, endotracheal tubes, and ventilator circuits. Created inexpensively from fossil fuels, plastic is easily sterilized and allows healthcare providers to reliably deliver life-saving therapies. However, a growing body of evidence demonstrates that small, often invisible plastic particles are accumulating in human bodies, with potentially serious health consequences. The perioperative period introduces plastics through two primary exposure routes, intravenous and inhalational, that bypass patients' natural toxin defense mechanisms. Moreover, this occurs during surgery, when there are often intense physiologic stressors. Anesthesia providers also face chronic inhalational plastic exposure in the operating room via masks and ambient plastic particles. Although evidence of direct adverse effects from microplastics on human health is limited, associations with disease are emerging while animal studies have shown harm. There are also indirect implications for human health and well-being of breaching the novel entities (which include plastics) planetary boundary. It therefore falls upon all of us to advocate for both more information and safer alternatives-for the health of both patients and providers.

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