Bactericidal activity of textile with copper thread against antibiotic-resistant and carbapenemase-producing bacteria that cause nosocomial infections.

Authors

  • Julitza Yanet Domínguez Salvador Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.
  • Katherine Yolanda Lozano Peralta Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.
  • Pedro Mercado Martínez Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.
  • Keyla Torres Chiclayo Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.
  • Mario Rodrigo Esparza Mantilla Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

DOI:

https://doi.org/10.35434/rcmhnaaa.2024.172.2201

Keywords:

Copper, Pathogens, Antimicrobial, Antibacterial, Carbapenemase

Abstract

Introduction: Hospital-acquired infections  (HAI) due to antibiotic-resistant bacteria are a public health problem, and the hospital environment is a favorable reservoir for various pathogens, therefore a health option for pathogen control is to evaluate the bactericidal activity of textile platforms with yarn copper against pathogens that cause carbapenemase-resistant HAI. Materials and methods: the bactericidal capacity of the biomedical textile with and without copper thread was evaluated in four bacterial strains: Escherichia coli, Pseudomonas aeruginosa, Klebsiella peumoniae and Staphylococcus aureus. Differences in survival time and bacterial density were established using ANOVA and Tukey tests with a significance level of P <0.05 in triplicate. Results: The survival of E. coli, K. pneumoniae, P. aeruginosa and S. aureus, on biomedical textiles with copper thread, was 80, 90, 120 and 140 min, respectively. But in textile without copper thread the bacterial density (1x105 CFU/ml) remained viable for more than 180 min for all bacterial strains. Copper thread textile is more effective in eliminating Gram-negative bacteria (K. pneumoniae, P. aeruginosa, E. coli), versus Gram-positive bacteria (S. aureus). Conclusion: the textile with copper thread has an antibacterial effect against K. pneumoniae, P. aeruginosa, S. aureus and E. coli; Unlike textiles without copper, where bacteria remained viable, copper thread has potential as an antimicrobial against carbapenemase-resistant pathogens to be applied in biomedical textile platforms or dressings.

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Author Biographies

Julitza Yanet Domínguez Salvador, Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

  1. Estudiante de Medicina

Katherine Yolanda Lozano Peralta, Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

1. Médico

Pedro Mercado Martínez, Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

  1. Doctor en Ciencias Biomédicas

Keyla Torres Chiclayo, Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

1. Biólogo - Microbiólogo

Mario Rodrigo Esparza Mantilla, Universidad Privada Antenor Orrego. Facultad de Medicina Humana. Laboratorio de Genética, Reproducción y Biología Molecular. GENERBIM. Trujillo. Perú.

1. Biólogo - Microbiólogo

2. Doctor en Microbiología

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Published

2024-06-25

How to Cite

1.
Domínguez Salvador JY, Lozano Peralta KY, Mercado Martínez P, Torres Chiclayo K, Esparza Mantilla MR. Bactericidal activity of textile with copper thread against antibiotic-resistant and carbapenemase-producing bacteria that cause nosocomial infections. Rev. Cuerpo Med. HNAAA [Internet]. 2024 Jun. 25 [cited 2024 Nov. 22];17(2). Available from: http://cmhnaaa.org.pe/ojs/index.php/rcmhnaaa/article/view/2201