View clinical trials related to Osteoarthritis, Knee.
Filter by:This NJH Investigator Initiated Study funded by Fidia will prospectively perform 2 ultrasound (US) guided knee aspirations in patients with knee osteoarthritis using a pneumatic compressive device (KneeTap ™) at baseline and at 3 months following 2 Hymovis® injections. Synovial fluid catabolic and anabolic proteins will be compared to those values in the peripheral blood and correlated with clinical outcome measurements at 3 ,6 and 12 months compared to baseline values; WOMAC, SF 36, visual analog pain scale, 6 minute walking distance and SF volumes quantitated by US.
This study evaluates outcomes of robotic-arm assisted mechanically aligned total knee arthroplasty [MA TKA] versus robotic-arm assisted functionally aligned total knee arthroplasty [FA TKA]. Half the study will receive MA TKA and half will receive FA TKA.
Osteoarthritis (OA) of the knees is the most common degenerative disorder seen in a rehabilitation outpatient clinic. It is characterized by structural changes in the articular cartilage and the surrounding tissues. The understanding of its pathophysiology is still unclear. Knee OA patients are often troubled with knee pain and functional disturbance. Several studies have shown that the earlier the injection of autologous platelet rich plasma (PRP) to treat early stages of knee OA, the better the treatment outcome. However, there are controversies as to whether PRP injections can also be effective in treating patients with moderate to severe degrees of knee OA. Synovial fluid (SF) is in contact with the primary tissues affected by OA (cartilage and synovium). Identifying the SF biomarkers can provide us with crucial information in monitoring the PRP treatment response. PRP is blood plasma that is rich in autologous platelets. Platelet releases growth factors and cytokines that can stimulate the healing of soft tissue structures. However, the amount of platelets in human blood is not concentrated. Purification and centrifugation procedures are needed to concentrate these platelets. The human knee cartilage is contained inside the knee joint and has scarce blood supply. When the cartilage is injured, growth factors can hardly reach this area to repair the cartilage. Therefore, many studies have suggested early usage of PRP in treating knee OA. Some studies have stated that the effect of PRP in treating knee OA is superior to that of hyaluronic acid (HA). Recent studies have recommended the application of high frequency PRP injections (ex/ intra-articular (IA) PRP injections on a weekly basis) in treating patients with more severe degrees of knee OA. Prolotherapy using hyperosmolar dextrose solution has been shown to have some positive effectiveness in treating patients with knee OA. Higher percentage, such as > 12.5% of dextrose water, may stimulate cartilage repair. Lower percentage, such as 5% dextrose water, has been documented to play an essential role in anti-inflammation, and pain reduction.
The purpose of this study is to evaluate the effect of TENS at the knee pain.
In this study, total knee replacement patients will be determined to be stiff or non-stiff preoperatively. Stiffness designation is determined by preoperative range of motion (if flexion is < 100 degrees, or extension lag is > 10 degrees). The stiff and non-stiff groups will both be randomized to two groups to receive either intravenous hydrocortisone or a placebo at 3 intervals postoperatively. Patients will be followed up with in hospital and via the phone on postoperative day (POD) 1 and 2, as well as 6 weeks, 6 months, 1 year, and 2 years postoperatively. Patients will also have blood drawn preoperatively in the OR, on POD1, at their 6 week followup, and at their 1 and 2 year follow ups. This blood will be processed and analyzed.
Rehabilitation, with a particular emphasis on physiotherapy and exercise, is widely promoted and strongly recommended after total knee replacement (TKR). The primary goals of rehabilitation are to improve knee range-of-motion, muscle strength, functional mobility and perceived quality of life. Exercises are usually prescribed and guided by a physiotherapist attending to the patient. The intensity of rehabilitation has an impact on clinical outcome. A study done by Lee et al in 2012 concluded that higher exercise dose translates to better function after TKR, especially in older population and for those with higher pain. Various literatures has also strongly recommended twice a day rehabilitation session for patients after TKR (Cook et al, 2008; Smith et al 2012).
To investigate whether the use of valgus knee brace is useful for patients with medial knee osteoarthritis.
The Study aims to investigate whether there is a clinically important difference in peri-articular bone mineral density (BMD) and trabecular bone score (TBS) between patients undergoing two different types of knee replacement fixation - uncemented Tritanium total knee replacement (TKR) and cemented Triathlon TKR. Before undertaking a full randomised control trial however, it is necessary to establish that the proposed methodology and approach are feasible. Therefore an internal pilot study will be performed first. This registration is for the internal pilot study.
Biomedical implant metals are reactive when in contact with body fluids. Some reactions may adverse the biocompatibility character of the material and should be studied. This can be achieved by direct measurement through electrochemical, gravimetric, spectrophotometric and surface analysis of reaction occurring at the interface between functionalized metal samples and body fluids (synovia) directly extracted from patients. The general aim of this project is to contribute to develop a comprehensive vision of interfacial reactions occurring on biomedical alloy surfaces exposed to human synovial fluid and to link them to clinical data
Articular cartilage degradation is the main characteristic of osteoarthritis (OA), involving enzymatic and inflammatory mechanisms that change it into a chronic disease. Since articular cartilage shows limited regenerative ability, several intra-articular drugs have been developed in order to decrease inflammation and provide a better clinical outcome to the patient.