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Anti‐inflammatory hydrogel dressings and skin wound healing
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Anti‐inflammatory hydrogel dressings and skin wound healing
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Journal Article
Anti‐inflammatory hydrogel dressings and skin wound healing
2022
Overview
Hydrogels are promising and widely utilized in the biomedical field. In recent years, the anti‐inflammatory function of hydrogel dressings has been significantly improved, addressing many clinical challenges presented in ongoing endeavours to promote wound healing. Wound healing is a cascaded and highly complex process, especially in chronic wounds, such as diabetic and severe burn wounds, in which adverse endogenous or exogenous factors can interfere with inflammatory regulation, leading to the disruption of the healing process. Although insufficient wound inflammation is uncommon, excessive inflammatory infiltration is an almost universal feature of chronic wounds, which impedes a histological repair of the wound in a predictable biological step and chronological order. Therefore, resolving excessive inflammation in wound healing is essential. In the past 5 years, extensive research has been conducted on hydrogel dressings to address excessive inflammation in wound healing, specifically by efficiently scavenging excessive free radicals, sequestering chemokines and promoting M1‐to‐M2 polarization of macrophages, thereby regulating inflammation and promoting wound healing. In this study, we introduced novel anti‐inflammatory hydrogel dressings and demonstrated innovative methods for their preparation and application to achieve enhanced healing. In addition, we summarize the most important properties required for wound healing and discuss our analysis of potential challenges yet to be addressed.
We present an overview highlighting the recent achievements in anti‐inflammatory hydrogel dressings, from preparation mechanisms to application methods in wound healing. Categories of anti‐inflammatory hydrogel dressings are based on the specific mechanisms of anti‐inflammatory activities for which hydrogel dressings are created, for example scavenging excessive ROS, sequestering chemokines and promoting M1‐to‐M2 polarization of macrophages.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc,Wiley
