porcine skin acellular dermal matrix

Porcine skin acellular dermal matrix is a biologically derived scaffold created by removing all cellular components from porcine (pig) skin while preserving the extracellular matrix structure and composition. The resulting product consists mainly of collagen fibers and basement membrane components such as fibronectin, elastin, laminin, glycosaminoglycans, and hyaluronic acid. This decellularized material acts as a scaffold for host cell infiltration and neovascularization when implanted in humans. It is designed to minimize immune rejection by eliminating antigenic cellular elements. The primary mechanism of action is to provide a biocompatible framework that supports tissue regeneration by promoting fibroblast migration, angiogenesis (new blood vessel formation), epithelialization, and ordered collagen fiber arrangement at the wound site. Porcine ADM serves as a temporary biological covering for wounds—especially deep burns or chronic ulcers—reducing exudate loss and infection risk while maintaining moisture balance conducive to healing. Clinical applications include treatment of extensive burns after excision or debridement; management of diabetic foot ulcers; coverage for traumatic wounds with significant tissue loss; reinforcement in hernia repair; adjunctive use in breast reconstruction surgery; abdominal wall reconstruction; tendon repair (e.g., Achilles tendon); craniofacial surgery; oral/maxillofacial procedures; gynecological repairs; orthopedic surgeries involving soft tissue defects. Porcine ADM has been shown to integrate into host tissues with minimal inflammatory response compared to synthetic meshes or allografts[1][2][3][4]. Complications may include hematoma, seroma formation, necrosis or infection at the graft site[1]. Its high cost can limit widespread use compared to synthetic alternatives[1].

Other names

porcine acellular dermal matrixxenogenic acellular dermal matrixXADMPADM