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KMID : 0361620070420030366
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Journal of the Korean Orthopaedic Association
2007 Volume.42 No. 3 p.366 ~ p.372
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Results of ACL Reconstruction with Autologous Hamstrings Fixed by Two Bioabsorbable Cross Pins on the Femoral Side and a Bioabsorbable Interference Screw with Additional Fixation on the Tibial Side
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Kim Chang-Wan
Lee Dae-Hee
Kim Jong-Min
AHn Ji-hyun
Lee Sang-Hoon
Bin Seong-Il
Park Jae-Bum
Kim Tae-Ho
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Abstract
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Purpose : To evaluate the clinical outcomes of an anterior cruciate ligament reconstruction using autologous hamstring tendons with stable fixation.
Materials and Methods : Seventy-six ACL reconstructions using autologous hamstring tendons were reviewed for an average of 16.5 months (Range, 12-35.6 months) postoperatively. All the patients were examined using standard clinical techniques and evaluated by stress radiography, CybexTM, Lysholm score, and International Knee Documentation Committee (IKDC) ratings.
Results : In all cases, there were no limitations in the range of motion. The mean Lysholm score was 72.9 preoperatively, which later improved to 91.1 postoperatively. According to the IKDC grade, 74 cases were categorized as ‘normal’ or ‘nearly normal’ postoperatively. In addition, the CybexTM study showed that at an angular velocity of 60o/sec, the strength deficit of the hamstrings decreased to 16% from 24% while the strength deficit of the quadriceps decreased to 27% from 31%. The mean side-to-side difference in stress radiography was 2.4 mm postoperatively. There was a single case of graft failure resulting from a deep infection.
Conclusion : ACL reconstructions using autologous hamstrings using stable fixation techniques showed satisfactory results at the 16.5 months follow-up. However, further studies will be needed to confirm these findings over a longer follow-up period.
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KEYWORD
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Anterior cruciate ligament, Reconstruction, Hamstrings, CybexTM
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