Impact of Wound Dressing on Mechanotransduction within Tissues of Chronic Wounds
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Published:2022-11-30
Issue:12
Volume:10
Page:3080
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ISSN:2227-9059
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Container-title:Biomedicines
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language:en
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Short-container-title:Biomedicines
Author:
McElvain KellyORCID,
Klister Joshua,
Ebben AlessandraORCID,
Gopalakrishnan Sandeep,
Dabagh MahsaORCID
Abstract
Chronic wounds are significant public health problems impacting the health-related quality of individuals’ lives (due to disability, decreased productivity, and loss of independence) and an immense economic burden to healthcare systems around the world. In this study, our main objective is to investigate how mechanotransduction can impact the healing process in chronic wounds. We have developed new three-dimensional models of wound tissue to study the distribution of forces within these tissues exerted by wound dressings with different characteristics. The roles of mechanical forces on wound healing have gained significant clinical attention; the application of mechanical forces is expected to influence the physiology of tissue surrounding a wound. We aim to investigate whether the force transmission within wound tissue is impacted by the dressing characteristics and whether this impact may differ with wound tissue’s properties. Our results show that wound dressings with lower stiffnesses promote force transmission within a wound tissue. This impact is even more significant on stiffer wound tissues. Furthermore, we show that size of wound dressing alters forces that transmit within the wound tissue where dressings with 9 cm length show higher stresses. The wound tissue stiffening has been associated with healing of a wound. Our results demonstrate that wounds with stiffer tissue experience higher stresses. Taken all together, our findings suggest that low stiffness of wound dressing and its size may be introduced as a criterion to explain parameters predisposing a chronic wound to heal. This study’s findings on the role of dressings and tissue characteristics demonstrate that precision dressings are required for wound management and understanding how a dressing impacts mechanotransduction in wound tissue will lead to design of novel dressings promoting healing in chronic wounds.
Funder
UWM Discovery and Innovation
Undergraduate Research Fellows
Office of Undergraduate Research (OUR) at the University of Wisconsin-Milwaukee
Subject
General Biochemistry, Genetics and Molecular Biology,Medicine (miscellaneous)
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