Microplastics and Nanoplastics in Atheromas and Cardiovascular Events
Links: https://www.nejm.org/doi/full/10.1056/NEJMoa2309822
http://Microplastics in arteries linked to heart disease risk
Concerns about the health effects of microplastics continue to mount. Now, a new study finds that people with microplastics in the plaque clogging their neck arteries were far more likely to have a heart attack or stroke than people with plastic-free plaque.
When researchers tested the plaque removed from the neck arteries of 257 people, they found tiny particles of plastic — mostly polyethylene but also polyvinyl chloride — in 58% of the people. After nearly three years, the rate of heart attack, stroke, and death was 4.5 times higher in people with microplastics in their plaque than those without.
These observational findings can't pinpoint microplastics as the culprit, as other unmeasured exposures or habits may be to blame, says the authors, whose study was published in the March 7, 2024, issue of The New England Journal of Medicine.
Electron Microscopy Analysis of Atheromatous Plaque.
Panel A shows transmission electron microscopy images of particles of high internal electron transparency contoured by a very thin electron opaque line. These particles do not resemble usual organic material owing to their particularly irregular shape. These particles (arrows) were detected inside living macrophages and outside in the amorphous material of the plaque (arrows). Panel B shows images of the same specimen obtained with scanning electron microscopy using back-scattered electrons, which showed macrophages dispersed in the amorphous plaque material (arrows) and small particles of low-reflecting material contoured by a thin line of high-reflecting material identified in the plaque (red boxes).
As preocupações com os efeitos dos microplásticos na saúde continuam a aumentar.
Agora, um novo estudo descobriu que pessoas com microplásticos que obstruem as artérias tinham muito mais probabilidade de sofrer um ataque cardíaco ou derrame.
Quando pesquisadores testaram a placa removida das artérias do pescoço de 257 pessoas, encontraram pequenas partículas de plástico — principalmente polietileno, mas também cloreto de polivinila — em 58% das pessoas.
Após quase três anos, a taxa de ataque cardíaco, derrame e morte foi 4,5 vezes maior em pessoas com microplásticos na placa do que naquelas sem.
Lembre-se também de que um implante de limpeza não toca no plástico.
Existem empresas que se preocupam mais com a qualidade, limpeza e embalagem do que outras.
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