J Korean Orthop Assoc.  2005 Jun;40(3):284-292.

Comparison of Clinical Results According to Amount of Preserved Remnant in Arthroscopic ACL Reconstruction using Quadrupled Hamstring Graft

Affiliations
  • 1Department of Orthopedic Surgery, Soonchunhyang University Hospital, Seoul, Korea. cyclopia@hitel.net

Abstract

PURPOSE
To analyze the clinical results in an ACL reconstruction according to the amount of the tibial remnant of the ACL using a hamstring graft and looped sutures. MATERIALS AND METHODS: Sixteen patients who were followed up for at least 12 months after the ACL reconstruction with four strands of a hamstring tendon using a looped suture technique were enrolled in this study. The average follow-up was 35.1 months. At the last follow-up period, the patients were evaluated using the International Knee Documentation Committee (IKDC) scale and the HSS score, Lachman test, ant. drawer test, KT-1000, one-leg hoop test and proprioceptive function test (motion and position sense). They were then divided two groups according to whether they had more or less than 30% of the ACL remaining. The final results of the two groups were statistically compared. RESULTS: Average HSS score improved from 65.8 (preoperative) to 95.2 (last follow-up). No significant differences in functional outcome and mechanical stability were found except for proprioception. Regarding the threshold of the detection of the passive motion test at 30 degrees (p=0.030) and the reproduction of the passive positioning test at 15 degrees (p=0.032) and 30 degrees (p=0.024), the more remnant preserved group (>30%) showed better results than the less preserved group. CONCLUSION: Preserving the tibial remnant will preserve function of the mechanoreceptors and be helpful to the recovery of the function and healing of a graft after surgery.

Keyword

Hamstring graft; Remnant; Proprioception; ACL reconstruction

MeSH Terms

Ants
Follow-Up Studies
Humans
Knee
Mechanoreceptors
Proprioception
Reproduction
Suture Techniques
Sutures
Tendons
Transplants*
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