Respiramos plásticodetección de microplásticos en el sistema respiratorio humano

  1. Javier Bayo 1
  2. Carlos Baeza-Martínez
  3. Miguel Gonzáez-Pleiter 2
  4. Eduardo García-Pachón
  5. Joaquín López-Castellanos 1
  6. Marta Doval 1
  7. Asunción Guillén
  8. Carmen María Vidal
  1. 1 Departamento de Ingeniería Química y Ambiental. Universidad Politécnica de Cartagena
  2. 2 Departamento de Biología. Facultad de Ciencias. Universidad Autónoma de Madrid,
Journal:
Revista de Salud Ambiental

ISSN: 1697-2791

Year of publication: 2024

Volume: 24

Issue: 1

Pages: 107-116

Type: Article

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Abstract

Têm sido detetados microplásticos em todas as matrizes ambientais, incluindo a atmosfera, embora, até o momento, poucos estudos os tenham investigado no trato respiratório humano. Neste artigo, apresentamos os resultados da análise de microfibras plásticas na via aérea inferior de 44 pacientes adultos com diferentes patologias respiratórias, utilizando o fluido obtido da lavagem broncoalveolar como método minimamente invasivo. Estudou-se a relação entre hábitos de vida, parâmetros fisiológicos e clínicos dos pacientes e as concentrações de microfibras plásticas isoladas do trato respiratório. Os resultados mostraram uma concentração média de microfibras plásticas de 9,18 ± 2,45 MF/100 ml LBA, com um tamanho médio de 1,73 ± 0,15 mm e uma dimensão máxima de 9,96 mm, correspondente a uma fibra poliacrílica. Foram encontradas diferenças estatisticamente significativas em relação ao sexo, idade, hábito tabágico, tipo de ocupação e diagnóstico por raio-X do paciente, entre outros. São necessários mais estudos para elucidar os efeitos negativos que estes microcontaminantes podem ter sobre o sistema respiratório humano e as doenças associadas.

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