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NCT00463099
The purpose of this study is to determine the effect of modifiable risk factors on knee function, osteoarthritis, and re-rupture of the anterior cruciate ligament (ACL) following ACL reconstruction.
NCT02374710
Although extensive research has been carried out on Anterior Cruciate Ligament (ACL) femoral tunnel placement, very little attention has been given to the tibial tunnel. Researchers have suggested that the tibial tunnel be placed in the center of the ACL footprint, which they described as being approximately 43% of the way (anterior-to-posterior) across the proximal tibia at its widest extent. However, others have suggested that a more anterior placement may yield improved biomechanical and clinical results. The center of the ACL footprint and the posterior aspect of the anterior horn of the lateral meniscus does not yield tibial tunnel placement a consistent percentage of the way across the tibial plateau; therefore, guidelines should be based on intraoperative fluoroscopic measurements. However, the question remaining is what percentage of the anterior-to-posterior distance across the tibia is the ideal location for the tibial tunnel in ACL reconstruction. This study will help answer that question. Patients with a diagnosed rupture of the ACL who are scheduled for surgical reconstruction will be considered for enrollment. Eligible patients will be allocated to one of two groups based on the location of the tibial tunnel (anterior vs. posterior) during the surgical procedure. In addition to a baseline (pre-operative) evaluation, participants will return for follow-up visits at 6, 12, and 24 months post-surgery. Follow up will be completed at 24 months. The primary objective of this study is to collect subjective and objective measures of knee-related function in patients with an anterior vs. posterior placed tibial tunnel through 24 months postoperative care.
NCT02511158
In this study we will examine patients who have undergone anterior cruciate and/or posterior cruciate ligament and/or multi ligaments reconstruction to determine the rate of re-injury, contralateral tear and functional outcomes at least two years after surgery.
NCT02420353
Anterior cruciate ligament (ACL) tears are among the most frequent traumatic knee injuries that occur in physically active individuals. Despite advances in minimally invasive surgical reconstruction techniques and aggressive rehabilitation, this atrophy and loss of strength can persist even after patients return to full activity and can place them at considerable risk for re-injury and developing osteoarthritis (OA). The design of new therapeutic interventions to prevent muscle atrophy is needed to advance the care of patients who suffer from ACL injuries. The growth hormone (GH)/insulin-like growth factor-1 (IGF-1) axis plays an important role in promoting muscle growth and protecting muscle from atrophy. While GH therapy has shown promise in protecting immobilized muscle from various models of disuse atrophy, it remains unknown whether GH can help to restore strength and protect against the loss in strength that occurs after ACL tear. GH therapy may help to accelerate the safe return to play of patients that suffer ACL tears, and help to prevent the long-term OA and reduction in quality of life that occur after these traumatic knee injuries.
NCT02008617
Outpatients scheduled to have ACL surgery typically receive a femoral nerve block to provide analgesia for the front of the knee. Postoperatively, these patients will often report pain in the back of the knee. Local anesthetic infiltration of the posterior aspect of the knee results in blockade of the genicular nerves of the posterior knee. These nerves originate off of the tibial and common peroneal nerves and their blockade will result in improved posterior knee pain relief and may decrease narcotic consumption compared to patients who receive the same infiltration with normal saline.
NCT02834962
To study the difference between single and double bundle ACL graft cross-sectional dimensions compared with native ACL using postoperative 3-D MRI.
NCT01391650
The purpose of this prospective study is to evaluate the influence of both bundles on the knee stability - anterior-posterior translation, internal and external rotations after the double-bundle reconstruction of Anterior Cruciate Ligament and to compare the stability after single-bundle and double-bundle reconstruction using a computer navigation system.
NCT01361789
Recent studies on molar surgery have shown that a combination of a glucocorticoid and NSAID or COX-2 selective inhibitor gives better pain relief than either of the drugs used separately. The investigators group has also shown that adding dexamethasone on top of a regimen of paracetamol, NSAID and local anesthesia resulted in 45% painfree patients at rest after ambulatory breast cancer surgery. The goal of this study is to test the NSAID + glucocorticoid concept in ACl repair. The investigators want to evaluate whether a selective COX-2 selective inhibitor or a glucocorticoid or a combination of both drugs, as part of a multimodal analgesic regime, can provide improved pain relief and shorter hospital stay in patients undergoing outpatient ACL surgery.