摘要
目的 :本实验采用反复牵张肌腱的生物力学测定方法对临床常用的 3种屈肌腱缝合进行研究 ,以评价早期主动活动对肌腱缝合强度的影响。方法 :取 2 4只猪后足作为实验对象并分为 3组 ,于Ⅱ区切断第 2趾深屈肌腱后分别行改良Kessler法、Silfverskiold法及Tang法缝合 ,使用Instron反复牵张屈肌腱 10次 ,记录第 1次至第 10次的牵张功耗 ,求出功耗衰减率及功耗衰减方程 ,第 11次牵拉肌腱直至断裂 ,记录功耗。结果 :Tang法的第 1次牵张功耗最大 ,Silfverskiold法大于Kessler法 ;第 10次牵张功耗上Tang法与Silfverskiold法间、Silfverskiold与Kessler法间均无统计学差异 ;经反复牵张 10次后 ,3种缝合方法的牵张功耗都有一半以上的衰减 ,Tang法的牵张功耗衰减率与Silfverskiold法相近 ,Kessler法最小。 结论 :3种肌腱缝合方法在反复牵拉后功耗减少 ,减少程度依Kessler、Silfverskiold、Tang法递增 ,提示一定程度的主动活动能提高肌腱抗张能力。
Objective: To analyze the effect of early active motion on tendon suture's strength using cyclic testing.Methods:Twenty four pig toes were divided into 3 groups.The second digital flexor tendons were repaired with one of the following suture methods:group 1,modified Kessler;group 2,Silfverskiold;group 3,Tang.The sutured tendons were repeatedly pulled for ten times on Instron 4411 and the work of each time was recorded.We calculated the regression rate of work and regression formula.The work was recorded after the tendons were pulled to rupture the last time.Results:Tang and Sifverkiold methods were larger than modified Kessler method in the regression rate of work.Conclusion:All three tendon suture methods can endure the early active mobilization with middle resistance.More the times of active mobilzation are, firmer the repaired tendons are.
出处
《中国临床解剖学杂志》
CSCD
北大核心
2003年第1期84-86,共3页
Chinese Journal of Clinical Anatomy
基金
国家教委留学回国人员基金 (教外司留 1 995 - 1 35)
交通部科技进步通达计划 (96 - 0 6 - 0 2 - 32 )
江苏省"青蓝工程"基金
南通医学院省级重点学科基金
