Clinical and Macroscopical Evaluation the Effects of Acellular Tunica vaginalis and Acellular Dermal Matrix on Reconstruction of Abdominal Wall Hernia in Bucks
Clinical and Macroscopical Evaluation the Effects of Acellular Tunica vaginalis and Acellular Dermal Matrix on Reconstruction of Abdominal Wall Hernia in Bucks
Anas M. S. Al-Haj Afandi*, Ahmed H. F. AL-Bayati
ABSTRACT
Biological hernioplasty of the abdominal wall more benefit than prosthetic meshes which is completely absorbed by the body and replaced by host tissue the purpose of the present study was designed to assess the efficacy of acellular bovine tunica vaginalis and caprine acellular dermal matrix clinically and macroscopically, in reconstructing abdominal walls defects in Iraqi bucks. In 18 Iraqi bucks, ventro-lateral abdominal walls hernias measuring (6x6)cm were induced experimentally. Thirty days after creation of hernias, the animals were split randomly into two main equal groups (9 Bucks/ group). The hernias of group (A) were treated by sublay grafting of bovine tunica vaginalis sheets after decellularized chemically whereas, the hernias of group (B) were treated by sublay grafting of caprine acellular dermal matrix sheets. The clinical findings after treatment by either bovine tunica vaginalis or caprine acellular dermal matrix were similar, except seroma which was recorded in caprine acellular dermal matrix more than bovine tunica vaginalis group. While, the macroscopic estimation of implantation site revealed that neovascularization was distributed in group (B) more than that in group (A) while, the deposition of fibrous connective tissue in group (A) treatment group was denser than that in group (B). Highly incorporation between the sheet and surrounding tissue was observed in group (A) more than that in group (B). At the same time, the macroscopic changes in the caprine acellular dermal matrix treatment group included decreasing the thickness of a sheet and partial degradation of implants in the site of implantation as well as, thinning of white fibrous connective tissue over the sheet. depending on the clinical and macroscopical outcomes, it can be concluded that bovine tunica vaginalis sheets were better than caprine acellular dermal matrixes for repairing of large ventro-lateral abdominal wall hernia in bucks.
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