Biomechanical effect of pre-setting high-strength sutures by suture weaving on tendon grafts
10.16781/j.CN31-2187/R.20220401
- VernacularTitle:缝线编织法预置高强度缝线对肌腱移植物生物力学的影响
- Author:
Han CHANG
1
;
Wei ZHANG
;
Yujie LIU
;
Ji WANG
;
Fei LI
;
Wei QI
Author Information
1. 中国人民解放军海军第九七一医院骨二科,青岛 266071
- Keywords:
tendon grafts;
suture weaving;
biomechanics;
sports medicine
- From:
Academic Journal of Naval Medical University
2024;45(12):1579-1582
- CountryChina
- Language:Chinese
-
Abstract:
Objective To reduce the mechanical impact caused by postoperative creep and relaxation of tendon grafts by pre-setting high-strength sutures using suture weaving.Methods Fresh pig tendo calcaneus specimens were used to prepare 30 anterior cruciate ligament tendon grafts,and they were randomly divided into control group,2-strand suture implantation group,and 4-strand suture implantation group,with 10 tendon grafts in each group.The control group were not given suture implantation in the tendon grafts,and the 2-and 4-strand suture implantation groups were pre-set 2 and 4 strands of high-strength No.2 sutures,respectively.The tendon grafts in each group were subjected to 1,100,500,1 000,1 500,2 000,2 500,and 3 000 fatigue tests in turn,and the relaxation was recorded.Finally,the tendon grafts in each group were pulled to failure at a constant rate of 5 cm/min,and the traction force when the relaxation reached 5 mm,i.e.the failure load,was recorded.Results The relaxation of tendon grafts after each fatigue test was significantly lower in the 2-and 4-strand suture implantation groups than that in the control group,and the relaxation was significantly lower in the 4-strand suture implantation group than that in the 2-strand suture implantation group(all P＜0.05).The failure loads of tendon grafts were significantly higher in the 2-and 4-strand suture implantation groups than that in the control group,and the failure load was significantly higher in the 4-strand suture implantation group than that in the 2-strand suture implantation group(all P＜0.05).Conclusion Pre-setting high-strength sutures in tendon grafts by suture weaving can effectively improve the mechanical properties of tendon grafts.
