Abstract：Objective To analyze the effect of single-bundle anterior cruciate ligament(ACL) reconstruction with residual preservation on knee joint mobility and stability after surgery. Methods 70 patients with ACL injury in our hospital were selected and were divided into preserved and unpreserved groups according to the treatment method,with 35 cases each.The unpreserved group was treated with single-bundle reconstruction of ACL with unpreserved stump,and the preserved group was treated with single-bundle reconstruction of ACL with preserved stump.Lysholm knee function,knee mobility,Tegner score,axial shift test,proprioception[passive angle regeneration test(JPS),passive activity perception threshold(TTDPM)],osteopontin(OPN),matrix metalloproteinase-1(MMP-1),and bone marrow protein(BMP)were compared between the two groups.1(MMP-1),and bone-γ-carboxyglutamic acid-containing protei,BGP)levels. Results At 6 months postoperatively,there was no significant difference between the 2 groups in the positive comparison of knee mobility and knee axial shift test(P>0.05),and the Lysholm knee function and Tegner score were higher in the preserved group than in the un-preserved group(P<0.05);at 6 months postoperatively,the JPS and TTDPM were lower in the preserved group than in the un-preserved group(P<0.05);and at 6 months postoperatively,the OPN,MMP-1,and BGP were lower in the preserved group than in the unpreserved group(P<0.05). Conclusion ACL injury patients were treated with single-bundle reconstruction of ACL with preserved stump,which could promote the recovery of knee function,improve proprioception,and reduce the levels of OPN,MMP-1 and BGP.
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2025, Vol. 45 
