But less stability and tunnel widening appear with the use of hamstring tendon graft.The rates of graft incorporation and remodeling are slower for allograft than for autograft reconstructions.

• 异体移植物在体内结合、重塑速度较自体移植慢，但若经过严格的供体筛选、合理的组织取材、消毒和保存，而不减弱移植物强度，仍可取得与自体移植相当的效果。