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Susceptibility of Vascular Implants to Colonization in vitro by Staphylococcus aureus, Staphylococcus epidermidis,

Witold Woźniak1, Aleksandra Kozińska2, Piotr Ciostek1

  • 1Department of General and Vascular Surgery, Second Faculty of Medicine with the English Division and the Physiotherapy Division, Medical University of Warsaw, Warszawa, Poland.

Polish Journal of Microbiology
|January 24, 2018
PubMed

Insights

Vascular implant material significantly impacts bacterial colonization, with polytetrafluoroethylene and porcine pericardial patch showing the lowest bacterial association. Implant type is the primary factor influencing bacterial colonization.

Area of Science:

  • Biomaterials Science
  • Infectious Diseases
  • Vascular Surgery

Background:

  • Bacterial colonization of vascular implants is a significant cause of morbidity and mortality.
  • Understanding the interaction between implant materials and bacteria is crucial for preventing infections.

Purpose of the Study:

  • To compare the association of common bacteria with various vascular implant materials.
  • To identify which vascular implant materials exhibit the lowest bacterial adherence.

Main Methods:

  • Co-culture of Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa, and Enterococcus faecalis with nine different vascular implants.
  • Vascular implant materials included warp knitted polyester, expanded polytetrafluoroethylene, porcine pericardial patch, and Omniflow II.

Main Results:

  • Polytetrafluoroethylene (PTFE) implants and porcine pericardial patch demonstrated the lowest overall bacterial association.
  • Omniflow II implants showed the highest overall bacterial association.
  • Implant type accounted for 56.22% of the variation in bacterial colonization, while bacterial species accounted for only 1.81%.

Conclusions:

  • Vascular implant material is the predominant factor influencing bacterial colonization.
  • PTFE and surface-treated porcine pericardial patch are promising materials for reducing bacterial adherence in vascular reconstructions.
Keywords:
Omniflow IIbiofilmgraft infectionporcine pericardial patchvascular implant

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