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Foot & Ankle Specialist
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Use of an Acellular Flowable Dermal Replacement Scaffold on Lower Extremity Sinus Tract Wounds

A Retrospective Series

Stephen A. Brigido, DPM

Foot and Ankle Center at Coordinated Health, Bethlehem, Pennsylvania, Sbrigido{at}rcn.com

Edward Schwartz, DPM

Foot and Ankle Center at Coordinated Health, Bethlehem, Pennsylvania

Raymond McCarroll, DPM

Foot and Ankle Center at Coordinated Health, Bethlehem, Pennsylvania

Janet Hardin-Young, PhD

Parenteau Bioconsultants LLC, Fair Haven, Vermont

A novel injectable human dermal matrix has been developed for the treatment of complex diabetic sinus tract wounds. Bioengineered grafts are commercially available that have been somewhat effective in treating chronic wounds such as diabetic foot ulcers; however, these bioengineered grafts are only available in sheet form. These therapies are less effective in treating complex or irregularly shaped wounds that demonstrate tunnels or extensions into deep soft tissue. One acellular graft (GRAFTJACKET, Matrix, Wright Medical Technology, Arlington, Tennessee) that has been shown to effectively treat open wounds is also available in a micronized form (GRAFTJACKET Xpress Scaffold, Wright Medical Technology). This human dermal graft forms a flowable soft tissue scaffold that can be delivered via syringe into tunneling wounds. In this retrospective series, 12 patients with deep tunneling wounds were treated with GRAFTJACKET Xpress Scaffold and followed for 12 weeks. Complete wound healing was achieved in 10 of 12 patients within the 12-week evaluation. The average time to complete healing was 8.5 weeks, whereas the average time to depth healing was 7.8 weeks. The data from the study suggest that this injectable human dermal matrix has unique properties that allow it to facilitate healing of complex tunneling diabetic foot ulcers. The material is easy to prepare and inject into the wound, thereby preventing the necessity of extensive surgical exposure. The matrix supports neo-subcutaneous tissue formation and allows the body to rapidly repair these wounds.

Key Words: nonhealing ulcer • wound care • diabetes • comorbid conditions

Foot & Ankle Specialist, Vol. 2, No. 2, 67-72 (2009)
DOI: 10.1177/1938640009333474
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