Clinical Classification of Bioengineered Skin Use and Its Correlation with Healing of Diabetic and Venous Ulcers

Authors: Liliana J. Saap1; Kevin Donohue1; Vincent Falanga

Source: Dermatologic Surgery, Volume 30, Number 8, August 2004 , pp. 1095-1100(6)

Publisher: Blackwell Publishing

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Abstract:

Background.

Chronic wounds are being treated with bioengineering skin constructs. Yet, there is no standard way of assessing these wounds. We developed a classification system to evaluate wounds after construct application. The classification system evaluates the early clinical effect of bioengineered skin and early construct appearance giving a total score named the skin substitute score. Objective.

Apply classification system to both venous and diabetic foot ulcers and determine whether classification system has validity and predictability for healing. Methods.

Evaluated serial photographs in 83 and 78 patients with diabetic foot ulcers and in 84 and 83 patients with venous ulcer on Days 7 and 14, respectively, treated with a bilayered bioengineered skin construct. Applied the classification system and determined the percentages of healed patients. Results.

There was a significant correlation between better skin substitute score and complete wound closure for both venous ulcers p=0.002 on Day 7 and p=0.01 on Day 14) and diabetic foot ulcers p=0.0005 on Day 7 and p<0.0001 on Day 14). Conclusion.

Optimal clinical effect was associated with complete wound closure. As the clinical effect becomes less than optimal continued clinical persistence of the construct becomes important. This classification system seems to have validity in predicting complete wound closure in wounds treated with a bilayered bioengineered skin construct.

LILIANA J. SAAP, MD, KEVIN DONOHUE, MD, AND VINCENT FALANGA, MD, FACP HAVE INDICATED NO SIGNIFICANT INTEREST WITH COMMERCIAL SUPPORTERS.

Document Type: Research article

DOI: 10.1111/j.1524-4725.2004.30334.x

Affiliations: 1: Department of Dermatology and Skin Surgery, Roger Williams Medical Center, Providence, Rhode Island; and

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