The influence of supplementary tibial fixation on laxity measurements after anterior cruciate ligament reconstruction with hamstring tendons in female patients

  • Hill P
  • Russell V
  • Salmon L
 et al. 
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Abstract

BACKGROUND: Female patients undergoing arthroscopic anterior cruciate ligament reconstruction with a hamstring tendon graft developed increased postoperative laxity compared to male and female patients who had reconstruction using a patellar tendon graft. This difference may be due to graft slippage in less dense female tibial bone. HYPOTHESIS: Reinforcement of tibial fixation of the hamstring tendon graft in women by supplementary methods may reduce laxity. STUDY DESIGN: Randomized controlled clinical trial; Level of evidence, 2. METHODS: Fifty-six female patients divided into 2 groups (standard tibial fixation with 7 x 25-mm metal interference screw versus metal interference screw with supplementary staple fixation) were followed for 2 years. RESULTS: After 2 years, the mean side-to-side difference using KT-1000 arthrometer manual maximum measurements was 1.8 mm (standard group) and 1.1 mm (staple group) (P=.05). The percentage of patients with a side-to-side difference of

Author-supplied keywords

  • Anterior cruciate ligament (ACL)
  • Female patients
  • Fixation
  • Hamstring
  • Laxity

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