Accelerated healing with a mesh autograft/allodermal composite skin graft treated with silver nylon with and without direct current in rats

C. S. Chu, N. P. Matylevitch, A. T. McManus, C. W. Goodwin, Basil A Pruitt

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Purpose: Evaluation of the healing and persistence of a meshed composite skin graft applied without immunosuppression. Methods: The contraction of wounds grafted with 9:1 split-thickness autograft/1.5:1 allodermal mesh composite skin grafts (auto/allo MCSGs) was investigated. No immunosuppressive agent was applied. Male ACI rats and female Lewis rats reciprocally served as allodermis graft donors and recipients. Autograft/dermal autograft and allograft/dermat allograft MCSGs were the controls. Results: At 3 months after grafting, when epithelized auto/allo MCSG wounds were measured by computerized morphometric analysis, the silver nylon (SN) dressing group displayed less contraction than the Vaseline (petroleum jelly) dressing group (p < 0.003), and direct current treatment (SNDC) was more effective than SN (p < 0.005). The histologic structures of the hair follicles appear to confine the rejection process to the allogeneic follicles of the graft. The focal nature of the rejection process and the relatively low antigenicity of the dermal matrix allowed the survival of the allodermis layer. Although direct current significantly enhanced MCSG healing, SN and SNDC were not the immunosuppressive agents that were confirmed. Conclusion: This type of MCSG can heal without immunosuppressive treatment.

Original languageEnglish (US)
Pages (from-to)115-125
Number of pages11
JournalJournal of Trauma - Injury, Infection and Critical Care
Volume49
Issue number1
StatePublished - 2000
Externally publishedYes

Fingerprint

Nylons
Autografts
Silver
Transplants
Immunosuppressive Agents
Skin
Petrolatum
Bandages
Allografts
Inbred ACI Rats
Hair Follicle
Wounds and Injuries
Immunosuppression
Therapeutics

Keywords

  • Antigenicity
  • Composite skin graft
  • Direct current
  • Immunosuppression
  • Silver nylon

ASJC Scopus subject areas

  • Surgery

Cite this

Accelerated healing with a mesh autograft/allodermal composite skin graft treated with silver nylon with and without direct current in rats. / Chu, C. S.; Matylevitch, N. P.; McManus, A. T.; Goodwin, C. W.; Pruitt, Basil A.

In: Journal of Trauma - Injury, Infection and Critical Care, Vol. 49, No. 1, 2000, p. 115-125.

Research output: Contribution to journalArticle

Chu, C. S. ; Matylevitch, N. P. ; McManus, A. T. ; Goodwin, C. W. ; Pruitt, Basil A. / Accelerated healing with a mesh autograft/allodermal composite skin graft treated with silver nylon with and without direct current in rats. In: Journal of Trauma - Injury, Infection and Critical Care. 2000 ; Vol. 49, No. 1. pp. 115-125.
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AU - Pruitt, Basil A

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N2 - Purpose: Evaluation of the healing and persistence of a meshed composite skin graft applied without immunosuppression. Methods: The contraction of wounds grafted with 9:1 split-thickness autograft/1.5:1 allodermal mesh composite skin grafts (auto/allo MCSGs) was investigated. No immunosuppressive agent was applied. Male ACI rats and female Lewis rats reciprocally served as allodermis graft donors and recipients. Autograft/dermal autograft and allograft/dermat allograft MCSGs were the controls. Results: At 3 months after grafting, when epithelized auto/allo MCSG wounds were measured by computerized morphometric analysis, the silver nylon (SN) dressing group displayed less contraction than the Vaseline (petroleum jelly) dressing group (p < 0.003), and direct current treatment (SNDC) was more effective than SN (p < 0.005). The histologic structures of the hair follicles appear to confine the rejection process to the allogeneic follicles of the graft. The focal nature of the rejection process and the relatively low antigenicity of the dermal matrix allowed the survival of the allodermis layer. Although direct current significantly enhanced MCSG healing, SN and SNDC were not the immunosuppressive agents that were confirmed. Conclusion: This type of MCSG can heal without immunosuppressive treatment.

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