论文部分内容阅读
将临床使用的3种环扎材料分别植入64只家兔肌肉及皮下组织中,动态观察术后4d至24W中的拉力变化和组织反应。结果表明,各种环扎线的拉力均在一定时间后丧失;线本身也逐渐被坚实致密的纤维结缔组织疤痕取代。组织对环扎线的反应顺序为肠线>丝线>阔筋膜。丝线组织反应比肠线轻,拉力保持性能较阔筋膜好,且来源方便,应为腭咽环扎术首选。
Three kinds of cerclage materials were implanted in the muscle and subcutaneous tissue of 64 rabbits respectively. The changes of tension and tissue reaction were observed dynamically from 4 days to 24 weeks after operation. The results showed that all kinds of cerclage tension were lost after a certain period of time; the line itself was gradually replaced by solid and dense fibrous connective tissue scar. The response of the organization to the cerclage was gut> filaments> fascia lata. The response of silk tissue is lighter than that of catgut, and the tensile strength is better than the fascia, and the source is convenient. It should be the first choice of velopharyngeal ring cerclage.