Abstract
Polypropylene is a material recognized for its tensile properties, as well as for the stability of its chemical structure, an important element that has allowed the use of this material on a large scale, in a wide range of fields of activity, especially in the medical field. This study aims to highlight the structural properties of polypropylene, which contribute to improving the prognosis of vascular microsutures, through the comparative analysis of the results obtained after performing lymphatico-venous anastomosis in lymphedema patients. The research was focused on analyzing the importance of the diameter of the polypropylene thread and its tensile properties on the patency of the lymphatic anastomosis, through the comparative analysis of two groups of patients who benefited from micro-vascular sutures. The database was made up of a group of 82 patients divided into two groups who benefited from supermicrosurgical interventions by using polypropylene thread 11.0 (37 cases involving 148 anastomoses), respectively 12.0 (45 cases involving 180 anastomoses). The results of the research revealed that the group of patients who benefited from microvascular anastomoses using 12.0 poly-propylene thread recorded both better anastomosis patency rates and a significantly reduced rate of complications due to the rejection reaction of the suture material, under the conditions a significantly reduced tensile strength.
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