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Browse 8,272 clinical trials for ulcerative colitis. Find studies that match your criteria and connect with research centers.
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NCT05152758
Anterior cruciate ligament (ACL) ruptures are very common knee injuries amongst youth involved in sports and are often treated through ACL reconstruction surgeries. Unfortunately, up to 50% of individuals who undergo ACL reconstruction develop post-traumatic osteoarthritis (PTOA) in their injured knee by 20 years post-reconstruction causing pain, decreasing mobility, and impacting quality of life in young active individuals. Much remains unknown regarding the secondary prevention of PTOA, and more investigation is necessary to better understand its disease progression post-ACL reconstruction and types of conservative interventions that can prevent or delay its onset. Physical activity has improved patient-reported outcomes across many different chronic diseases including knee osteoarthritis (OA), and physical activity prescription has been shown to be an effective way to increase patients' levels of physical activity. It has not yet been heavily investigated in the context of post-ACL reconstruction, and individuals often exhibit decreased physical activity after ACL reconstruction which causes suboptimal cartilage health. Thus, physical activity prescription may improve habitual joint loading, leading to improved cartilage health and patient-reported health outcomes.
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.