Dressing Change for External Central Catheter With Tegaderm

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Please use for reference only.

Penn Home Infusion Team
University of Pennsylvania Health System
Last Modified: November 1, 2001

You will need the following supplies:
  • Dressing change kit
  • Antibacterial Soap


  1. Wash your hands (See Handwashing section for more information.)
  2. Gently remove the old tegaderm by peeling it away from the skin. BE CAREFUL NOT TO PULL ON THE CATHETER while removing the dressing.
  3. Inspect skin around the catheter for redness and drainage.
  4. Open dressing change kit and put on sterile gloves.
  5. Open the acetone/alcohol swabs. With each swab scrub the skin starting at the catheter and moving out using a circular motion.
  6. Repeat step #5 using the betadine swabs.
  7. Let betadine dry for one minute.
  8. Open the packet of betadine ointment. Hold the packet directly over the catheter and squeeze the contents onto the catheter site.
  9. Remove the extra betadine with the large gauze sponge.
  10. With your hand, lift the catheter and position the 2"x2" split dressing around the catheter.
  11. Tape catheter in a looped position onto dressing.
  12. Place unsplit 2"x2" dressing over split dressing.
  13. Remove your gloves and apply Tegaderm.
  14. Change dressing right away if tape becomes loose or if dressing gets wet.


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