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Area of Science:

  • Biomaterials Science
  • Medical Device Engineering
  • Clinical Practice

Background:

  • Peripherally inserted central venous catheters (PICCs) are crucial for long-term venous access.
  • Variability in material properties among commercial PICCs may influence clinical outcomes.
  • Objective mechanical data is needed to guide PICC selection beyond traditional criteria.

Purpose of the Study:

  • To conduct a comparative analysis of eight commercial polyurethane, single-lumen PICCs from different manufacturers.
  • To investigate the mechanical response and properties of these PICCs.
  • To provide quantitative data to aid clinicians in selecting PICCs based on material characteristics and predicted patient response.

Main Methods:

  • Characterization of macro and microgeometric features (length, diameters, curvature, surface roughness).
  • Assessment of chemical and physical properties.
  • Evaluation of mechanical response using dynamic mechanical thermal analysis, tensile tests, and kinking tests.

Main Results:

  • Demonstrated significant differences in the mechanical behavior of polyurethane PICCs from various vendors.
  • Highlighted that varying mechanical properties can influence the development of pathological processes.
  • Indicated a potential link between mechanical properties and the risk of catheter-related complications.

Conclusions:

  • The study provides valuable comparative data on PICC mechanical properties.
  • This information can assist healthcare professionals in making more informed PICC selections.
  • Understanding material properties can contribute to reducing catheter-related complications.