Anterior Cruciate Ligament Rupture Clinical Trial
Official title:
Tibia and Femoral Tunnel Location Comparison of Remnant Preserving Versus Remnant Resecting Anterior Cruciate Ligament Reconstruction
Anterior cruciate ligament injury is very common knee injury. Especially Anterior cruciate
ligament complete rupture leads to knee joint instability and degenerative change of the
knee. Anterior cruciate ligament reconstruction is performed for resolving these problems
and it gives excellent results. For leading to successful result of anterior cruciate
ligament reconstruction, selecting of appropriate femoral tunnel and tibial tunnel is
necessary. If selecting inappropriate tibial tunnel location makes pain, synovitis,
impingement of transplanted tendon, loss of range of motion, instability, failure of
transplantation and risk of arthritis. It is known that selection of inappropriate tibial
tunnel location is the most common cause of anterior cruciate ligament reconstruction
failure.
Recently many studies reconstructed at anatomical lesion instead of isometric point. And
some cadaver studies reported that tibial insertion of anterior cruciate ligament has "C"
shape. There are two methods for anterior cruciate ligament reconstruction. One is
preserving remnant and the other is removing remnant.
This study aims to compare the tibia and femoral tunnel location of remnant preserving and
remnant resecting anterior cruciate ligament reconstruction.
The study design is a double-blind randomized controlled trial. Randomly, twenty patients
planed to undergo anterior cruciate ligament reconstruction using autograft by remnant
preserving and other twenty patients undergo anterior cruciate ligament reconstruction using
autograft by resecting anterior cruciate ligament. The clinical outcome is comparative
preoperative, postoperative 6weeks, 3months, 6months and 1years. And clinical score consists
of Visual Analog Score, lachman test, anterior laxity, Lysholm knee score, international
knee documentation committee score. Femoral and tibial tunnel location will be analyzed by
three-dimensional computed tomography using Bernard quadrant method after surgery.
The present study aimed to determine and compare (1) the accuracy of tibia and femoral
tunnel location and (2) postoperative functional outcome after anterior cruciate ligament
reconstruction between remnant preserving group versus remnant resecting group.
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Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor)
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