Material wear of polymeric tracheostomy tubes: A six-month study

Authors

  • Sara Backman MSc,

    1. School of Chemical Science and Engineering, Fiber, and Polymer Technology, Royal Institute of Technology (KTH), Stockholm, Sweden
    Search for more papers by this author
  • Gunilla Björling PhD, RN,

    Corresponding author
    1. Karolinska Institutet, Department of Clinical Sciences, Danderyd Hospital, Division of Anaesthesia and Intensive Care, Stockholm, Sweden
    2. Sophiahemmet University College, Stockholm, Sweden
    • Karolinska Institutet, Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Danderyd Hospital, SE-182 88 Stockholm, Sweden
    Search for more papers by this author
  • Unn-Britt Johansson PhD, RN,

    1. Sophiahemmet University College, Stockholm, Sweden
    Search for more papers by this author
  • Michael Lysdahl PhD, MD,

    1. Karolinska Institutet, Department of Clinical Sciences, Danderyd Hospital, Division of Anaesthesia and Intensive Care, Stockholm, Sweden
    Search for more papers by this author
  • Agneta Markström PhD, MD,

    1. Karolinska Institutet, Department of Clinical Sciences, Danderyd Hospital, Division of Anaesthesia and Intensive Care, Stockholm, Sweden
    Search for more papers by this author
  • Ulla Schedin PhD, MD,

    1. Karolinska Institutet, Department of Clinical Sciences, Danderyd Hospital, Division of Anaesthesia and Intensive Care, Stockholm, Sweden
    Search for more papers by this author
  • Ragnhild E. Aune PhD, MSc,

    1. School of Industrial Technology and Management, Materials Science and Engineering, Royal Institute of Technology (KTH), Stockholm, Sweden
    Search for more papers by this author
  • Claes Frostell PhD, MD,

    1. Karolinska Institutet, Department of Anesthesia, Surgical Services and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
    Search for more papers by this author
  • Sigbritt Karlsson PhD, MSc

    1. School of Chemical Science and Engineering, Fiber, and Polymer Technology, Royal Institute of Technology (KTH), Stockholm, Sweden
    Search for more papers by this author

  • This research received financial support from Sophiahemmet University College, Stockholm, the Foundation for Medical Research at Sophiahemmet, Stockholm, and Stockholm County Council, Sweden.

Abstract

Objectives:

The objectives were to study long-term material wear of tracheostomy tubes made of silicone (Si), polyvinyl chloride (PVC), and polyurethane (PU) after 3 and 6 months of clinical use.

Study Design:

The study has a prospective and comparative design.

Methods:

Nineteen patients with long-term tracheostomy, attending the National Respiratory Center in Sweden, were included, n = 6 with Si tubes, n = 8 with PVC tubes, and n = 5 with PU tubes. The tubes were exposed to the local environment in the trachea for 3 and 6 months and analyzed by scanning electron microscopy, attenuated total reflectance Fourier transform infrared spectroscopy, and differential scanning calorimetry.

Results:

All tubes revealed severe surface changes. No significant differences were established after 3 or 6 months of exposure between the various materials. The changes had progressed significantly after this period, compared to previously reported changes after 30 days of exposure. The results from all analyzing techniques correlated well.

Conclusions:

All tubes, exposed in the trachea for 3–6 months, revealed major degradation and changes in the surface of the material. Polymeric tracheostomy tubes should be changed before the end of 3 months of clinical use. Laryngoscope, 2009

Ancillary