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NCT07043569
With the intention of improving rehabilitation after anterior cruciate ligament reconstruction, the present project investigates the influence of a targeted strength and blood flow restriction training intervention (BFR training) on the regeneration of muscle mass, strength and functionality of the knee joint. BFR training is characterized by the combination of external venous vascular occlusion with light strength training and still enables users to achieve gains in muscle mass and strength that are comparable to training with high mechanical loads. The positive effects of BFR training in the course of knee arthroplasty have already been demonstrated by our working group as a prehabilitative approach, i.e. as a training intervention prior to surgery. In the present project, the framework conditions of outpatient rehabilitation at the Bonn Center for Outpatient Rehabilitation will now be used to prove whether sports science-controlled strength and BFR training has a similar effect in the postoperative rehabilitation phase. The interventions are carried out as part of the exercise therapy units in outpatient rehabilitation ETM01 in accordance with the S2k guideline on anterior cruciate ligament rupture. Strength and BFR training in medical training therapy supplements the daily exercise therapy to ensure implementation in the rehabilitation process in line with the guidelines.
NCT06973785
This is a double-blind randomized controlled trial of standard of care therapy, either oral ketorolac (experimental group) or oral oxycodone (control group) to demonstrate efficacy in reducing the percentage of narcotic doses taken and documenting the number of patients with no exposure to any narcotics (take zero oxycodone) after undergoing primary knee ACL reconstruction outpatient surgery.
NCT06755398
The aim of this study is to investigate the effects of cognitive-based neuromuscular exercises on increased reaction time, decreased joint position sense, reduced proprioceptive force sense, and balance problems in individuals who have undergone surgery following anterior cruciate ligament (ACL) injuries. With the results obtained from the study, the investigators aim to provide a different perspective on rehabilitation methods applied after ACL reconstruction and contribute to the literature with objective and evidence-based information regarding the effects of cognitive-based neuromuscular exercises on sensorimotor, neuromuscular, and proprioceptive senses.
NCT06621355
Muscle haemodynamics has so far been assessed using at most 2-3 near-infrared spectroscopy devices on isolated muscles and without correlating variables. At the same time, research on musculoskeletal pathologies is limited, and there are no studies that analyse the haemodynamic changes that occur when the anterior cruciate ligament (ACL) is injured and whether these changes last over time. The aim of the study is to monitor and evaluate the physiological changes produced by ACL injury on muscle performance using non-invasive near-infrared spectroscopy (NIRS) devices in trained athletes. This descriptive cross-sectional observational multicentre multicentre study, with Balearic Islands ethics committee IB 5585/24PI, will include males aged 18-65 years who have undergone ACL surgery, divided into 3 groups that: have an evolution of less than 6 months (ACL1), more than 2 years since the surgical intervention and are already practising normal physical-sports activities (ACL2) and the control group (CON) that has never suffered an ACL affectation to date. The 3 groups will perform an incremental intervallic test (4:1) on a cycloergometer or treadmill (according to the specificity of their sport), where different muscular haemodynamic variables will be assessed using 12-24 NIRS devices. The main study variables will be the muscular haemodynamic values of each muscle analysed and their correlation between them: muscular oxygen saturation, absolute capillary haemoglobin, loaded and unloaded with oxygen and relative muscular haemoglobin blood flow, loaded and unloaded with oxygen. Secondary variables will be heart rate, socio-demographic variables (age, toxic habits, injury and sports history) and subjective perception of effort (RPE-20).
NCT03389685
The purpose of this single-center, double-blinded randomized control trial with prospective data collection is to assess the ability of platelet rich plasma (PRP) treatment to reduce the level of pro-inflammatory synovial fluid biomarkers following an acute anterior cruciate ligament (ACL) tear. The study will collect and analyze synovial fluid of patients presenting with an acute anterior cruciate ligament (ACL) tear with a second synovial fluid sampling at the time of surgery. It will compare synovial fluid biomarker levels between those receiving an intra-articular Platelet Rich Plasma (PRP) injection versus an intra-articular saline injection serving as a control. Post-operative clinical outcomes will also be assessed, including post-operative pain levels, incidence of post-operative knee stiffness and patient reported outcome scores.
NCT03294720
The objective of this study is to evaluate the use of wrapping an ACL graft with a collagen matrix tissue wrap and injecting autologous bone marrow aspirate concentrate under the wrapping and into the graft. Investigators hypothesize that this method of augmenting ACL surgery will accelerate and improve the graft maturation and ligamentization process. Investigators propose to test this hypothesis with a series of cases of ACL reconstructions evaluated with post-operative MRI mapping sequences and validated clinical outcome measures
NCT03770806
The purpose of this study is to find out how postoperative pain affects recovery after anterior cruciate ligament (ACL) repair. Complete recovery after ACL repair involves healing of tissues at the surgical site, but also recovery of strength of the muscles that control movements at the knee. Some pain is normally experienced after ACL repair; the severity is variable from one individual to another. Pain is usually controlled by intravenous and oral (by mouth) pain medicines. It is also frequently controlled by numbing nerves that supply sensation to the knee joint and surrounding tissues. This procedure is called a nerve block. The investigators want to determine if standard methods of pain control after surgery affect future pain control, and the ability to exercise and recover muscle strength after surgery. The investigators are also interested in determining what other factors, such as age, gender, anxiety, or coping skills might be predictive of pain severity and speed of recovery. As part of the study, the investigators will record subject's ratings of pain severity, use of painkiller medicines, and muscle bulk measured by standardized tests, at various time intervals in the first 6 months after surgery. The investigators will also ask them to complete two questionnaires,one that enquires about subject's responses to pain in the past (catastrophizing test), and one that measures anxiety they might have about surgery or pain on the day of surgery. The investigators will be studying approximately 180 people who are having ACL repair at University of Washington. Subjects may be involved who are having multiple ligaments repaired including the anterior cruciate ligament