• Jan-Ole Baur, Afshin Rahmanian-Schwarz, Manuel Held, Jennifer Schiefer, Adrien Daigeler, and Wiebke Eisler.
• Department of Internal Medicine, Medical Oncology and Hematology, Nuernberg North Hospital, Paracelsus Medical Private University Nuernberg, Germany.
• Burns. 2021 Feb 1; 47 (1): 150-156.

AbstractAutologous skin transplantation is the gold standard for treatment of full-thickness skin defects such as deep burn injuries, but has the disadvantages of limited donor sites and donor site morbidities. Alternative skin replacement products, such as xenografts and allografts, are not a permanent solution. Numerous manufactured skin substitutes already show promising approaches, but have limited efficacy. Therefore, wound dressings adaptable to the physiology of wound healing are still needed. In a randomized controlled in vivo study, a newly designed biocompatible collagen nonwoven matrix was compared to the Integra® bilayer dermal substitute and untreated controls in 48 full-thickness skin defects in a swine model. The take of all templates was complete, and all the tissue-engineered products accelerated dermal wound healing compared to the untreated controls, as identified by planimetric measurements. The higher collagen dose treatments and Integra®-covered wounds developed the thickest, cell-rich neoepidermal tissue in histological examination. The innovative biocompatible collagen matrix is flexibly applicable and modifiable, and offers potential as a carrier membrane for therapeutic supplemental products such as growth factors to further develop effective wound dressings.Copyright © 2020 Elsevier Ltd and ISBI. All rights reserved.

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