Active clinical trials for "Anterior Cruciate Ligament Injuries"

To identify the improvement of anterior tibial subluxation (ATS) and the relationship between ATS and patient reported outcome on pre- and postoperative anterior cruciate ligament-injured MRI images.

With the apex of the deep cartilage (ADC) as the symbol, the consistency of the two methods in the postoperatively computed tomography (CT) and microscopic evaluation of the position of the femoral tract of the anterior cruciate ligament (ACL) was studied.Expected results:P1 and P2, D1 and D2 were positively correlated, and the linear relationship was significant. Bland-Altman diagram shows a good consistency.

To identify the related factors for anterior tibial subluxation (ATS) on anterior cruciate ligament-injured MRI images.

mPTP (Mitochondrial Permeability Transition Pore) is a channel formed by a protein complex integrated into the inner membrane of mitochondria. Its opening is related to the elevation of the intra-mitochondrial calcium concentration and will result in: a mitochondrial decoupling, a rupture of the metabolic gradient and the release of pro-apoptotic factors. The objective of this study is the development of a new ex vivo technique for characterizing mPTP by a dual measurement combining oxygraphy and fluorimetry on permeabilized skeletal muscle fibers.

To examine the consistency between postoperative CT scan and intraoperative arthroscopic measurement in evaluating femoral tunnel position for anterior cruciate ligament （ACL）reconstruction，both using the apex of the deep cartilage（ADC）as the marker.

The proposed study will establish novel relationships between intra-articular MSC recruitment, synovial inflammation, biomarkers of cartilage degeneration and joint inflammation, clinical patient factors, and downstream alterations in cartilage composition and morphology to provide novel insights into the pathoetiology of PTOA after ACL injury and reconstruction.

The purpose of this study is to assess ACL injury and other pathological knee conditions from the combination of signals that are known to provide information on the knee joint.

High incidence rate of knee osteoarthritis and gait analysis are important for early assessment of biomechanics. ACL injury is an ideal clinical model for studying knee osteoarthritis. To clarify the mechanism between the biomechanical status of knee joint and the change of gait touch information, and to provide scientific basis for quantifying and evaluating the biomechanical status of knee joint in dynamic load-bearing state.

Purpose: There are no existing data available to guide clinicians in the appropriate rehabilitation progression of patients who have undergone knee arthroscopy. The investigator intends to fill this void by establishing normative recovery curves for patients undergoing knee arthroscopy. Research Design: Prospective Observational Design Procedures: Patients 10-70 years old will be screened for "standard of care" clinical and functional outcomes to occur at standardized time-points (post-op weeks 1-4, 8, 12, 16, 20 and return to sport/activity) following arthroscopic knee surgery. Recovery curves will be plotted for all outcome variables of interest including; (1) International knee Disability Committee (IKDC) survey, (2) Tampa Kinesiophobia scale, (3) Tegner activity scale, (4) Marx activity scale, (5) Passive knee range of motion/heel-height difference, (6) Balance Error Scoring System (BESS), (7) Quad/Hamstring strength ratios, (8) Y-Balance, (9) Functional Movement Screening, (10) Vail-Sport Test, (11) Landing Error Scoring System (LESS), (12) Hop Testing, and the (13) Sports Metrics Test. Polynomial lines-of-best-fit and 95% confidence intervals will be plotted to provide objective recovery curves for clinical utilization and stratification of patient recovery. Risks: There are no additional risks to "standard physical therapy practice" for post-surgical patients participating in this study. The investigator will not be using invasive procedures or testing modalities that emit radiation. Benefits & Clinical Relevance: This information may offer valuable information to clinicians treating patients following knee arthroscopy by providing objective data for each phase of post-operative recovery. Identifying key landmarks and functional milestones may allow the ability to identify patients who are not meeting clinical expectations and subsequently tailor rehabilitation programs to improve recovery trajectories.

The aims of the project are to 1) evaluate different aspects of muscle function and its role as a potential risk and/or protective factor for traumatic knee injury in youth female athletes; 2) develop and evaluate a battery of muscle function tests, easily used and requiring minimal equipment, to be applied as an on-the-field screening tool to detect muscle function deficiencies and monitoring youth female athletes at high risk of traumatic knee injury. A prospective cohort design will be used, including approximately 100 female athletes (age 15-19) from Swedish senior sports high schools who are involved in high risk sports (soccer, handball, floorball and basket). A test battery for muscle function has been developed consisting of 11 tests that previously have been used for the assessment of muscle function. The tests will be instructed and supervised by educated test leaders. Measurements will take place at the athletes' school and carried out during the first semester (autumn 2017 and 2018). Data on injury surveillance and exposure (hours of match and training participation) will be collected prospectively over two years using a web-designed registration form. All athletes will on a weekly basis report their hours of training, minutes of match play and all time-loss injuries occurring during sport activity. Details on injury mechanism and diagnosis will be collected by each school's medical staff. The present study will contribute new knowledge on the role of muscle function and develop and evaluate a battery of muscle function tests to be used as an on-the-field screening tool for monitoring youth female athletes at high risk of traumatic knee injury.