Influence on pressure transduction when using different drainage techniques and wound fillers (foam and gauze) for negative pressure wound therapy.

International Wound Journal
Malin MalmsjöRichard Ingemansson

Abstract

Pressure transduction to the wound bed in negative pressure wound therapy (NPWT) is crucial in stimulating the biological effects ultimately resulting in wound healing. In clinical practice, either foam or gauze is used as wound filler. Furthermore, two different drainage techniques are frequently employed. One involves the connection of a non-perforated drainage tube to the top of the dressing, while the other involves the insertion of perforated drains into the dressing. The aim of this study was to examine the efficacy of these two different wound fillers and drainage systems on pressure transduction to the wound bed in a challenging wound (the sternotomy wound). Six pigs underwent median sternotomy. The wound was sealed for NPWT using different wound fillers (foam or gauze) and drainage techniques (see earlier). Pressures between 0 and -175 mmHg were applied and the pressure in the wound was measured using saline-filled catheters sutured to the bottom of the wound (over the anterior surface of the heart) and to the side of the wound (on the thoracic wall). The negative pressure on the wound bed increased linearly with the negative pressure delivered by the vacuum source. In a dry wound, the pressure transduction was similar...Continue Reading

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Citations

Jan 13, 2012·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Graeme E Glass, Jagdeep Nanchahal
Sep 3, 2011·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Franco BassettoVincenzo Vindigni
Apr 5, 2013·Veterinary Surgery : VS·Bryden J StanleyBarbara A Steficek
Mar 17, 2012·International Wound Journal·Umut TuncelAydın Turan
May 9, 2012·Wound Repair and Regeneration : Official Publication of the Wound Healing Society [and] the European Tissue Repair Society·David G ArmstrongRobert S Kirsner
Mar 28, 2017·Journal of Wound Care·Jan ApelqvistPeter Vowden

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