Etamsylate loaded oxidized Konjac glucomannan-ε-polylysine injectable hydrogels for rapid hemostasis and wound healing

Uncontrollable bleeding is a crucial factor that can lead to fatality. Therefore, the development of hemostatic dressings that enable rapid hemostasis is of utmost importance. Hydrogels with injectability, self-healing ability, and adhesiveness hold significant potential as effective hemostatic dressings. Herein, a composite hydrogel was fabricated by the oxidized Konjac glucomannan and epsilon-polylysine. After the encapsulation of a hemostatic drug, etamsylate, an oxidized Konjac glucomannan/epsilon-polylysine/etamsylate (OKGM/PL/E) composite hydrogel that possesses favorable properties including injectability, self-healing ability, tissue adhesiveness, hemocompatibility and cytocompatibility was fabricated. The OKGM/PL/E hydrogel demonstrated the ability to effectively adhere red blood cells and seal wounds, enabling rapid control of hemorrhaging. In vivo wound healing experiments confirmed the hemostatic and wound healing efficacy of the OKGM/PL/E hydrogel, highlighting its potential as a valuable hemostatic dressing. Konjac glucomannan was oxidized using NaIO4 and subsequently reacted with epsilon-polylysine to form a drug-loaded adhesive hydrogel. The hydrogel was then utilized as a hemostatic dressing.

Automated summary

In this study, a composite hydrogel with injectability, self-healing ability, and adhesiveness was developed for rapid hemostasis and wound healing by encapsulating a hemostatic drug.