A comparison of polypropylene mesh, expanded polytetrafluoroethylene patch and polyglycolic acid mesh for the repair of experimental abdominal wall defects.

Acta chirurgica Scandinavica Pub Date : 1990-11-01
N W Law
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Abstract

Abdominal wall defects created in Sprague-Dawley rats were repaired with either polypropylene mesh (PPM), expanded polytetrafluoroethylene patch (PTFE) or polyglycolic acid mesh (PGA). Tensiometric studies of abdominal wall strength showed that PPM and PTFE provided a strong repair, but that the fibrous response induced by PGA was insufficient to produce a strong support for abdominal wall reconstruction. The size of the overlap at the interface between the abdominal wall fascia and prosthetic material has a greater effect on wound strength with expanded PTFE than with PPM. This is because of the different pattern of collagen infiltration into each material.

聚丙烯补片、膨胀聚四氟乙烯补片和聚乙醇酸补片修复实验性腹壁缺损的比较。
采用聚丙烯补片(PPM)、膨胀聚四氟乙烯补片(PTFE)或聚乙醇酸补片(PGA)修复Sprague-Dawley大鼠腹壁缺损。腹壁强度的拉伸研究表明,PPM和PTFE提供了强大的修复,但PGA诱导的纤维反应不足以产生强大的腹壁重建支撑。在腹壁筋膜与假体材料之间的界面处重叠的大小对膨胀PTFE的伤口强度的影响大于PPM。这是因为胶原蛋白渗入每种材料的方式不同。
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