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The primary objective of this investigation is to evaluate the performance (in terms of post-operative active range of motion at one year) of the P.F.C. Sigma and P.F.C. Sigma Rotating Platform total knee systems in clinical practice.
The secondary objectives of this investigation are:To evaluate the performance of the P.F.C. Sigma and P.F.C. Sigma Rotating Platform total knee systems in clinical practice. To evaluate the impact of patellar resurfacing on the performance of the P.F.C. Sigma and the P.F.C. Sigma Rotating Platform total knee systems. To evaluate the impact of Posterior Cruciate Ligament (PCL) sacrifice or retention on the performance of the P.F.C. Sigma and the P.F.C. Sigma Rotating Platform total knee systems.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
P.F.C Sigma Fixed Bearing total knee system, P.F.C Sigma RP Mobile Bearing knee system
Glasgow Royal Infirmary
Active, not recruiting
Published on BioPortfolio: 2014-07-23T21:48:00-0400
A prospective, randomized, single-blinded clinical trial is proposed to compare a mobile-bearing total knee system with two types of fixed-bearing total knee systems in patients undergoing...
Primary Research Questions: 1. Do patients with knee osteoarthritis (OA) who undergo total knee replacement with a Sigma rotating platform have better clinical outcomes at 2 years...
The main objective of this study is to determine if the P.F.C. Sigma RP-F Knee delivers a greater post-operative range of motion (ROM) compared with the P.F.C. Sigma RP Knee in primary TKA...
The study will determine the survivorship of the fixed bearing P.F.C. Sigma knee with a cobalt chrome tibial tray at 5 years.
The purpose of this study is to determine whether patient rehabilitation is equal for patients operated with two different knee implant designs. The patients are randomized to treatment w...
We compared the midterm results after total knee arthroplasty (TKA) using PFC Sigma RP-F mobile model with PFC Sigma PS fixed model.
Increasing evidences have implicated that sigma-2 receptor is a biomarker and significantly over-expressed in many proliferative cancer cells with no or low expression in normal cells. Sigma-2 recepto...
Mobile-bearing Oxford unicompartmental knee arthroplasty has been used widely and successfully; however, there is no previous research on the intraoperative bearing movement. The purpose of this study...
This study examines effectiveness of a project to enhance an autoverification (AV) system through application of Six Sigma (DMAIC) process improvement strategies.
Inconsistent results have been reported for posterior-stabilized fixed-bearing and rotating-platform total knee prostheses. The authors sought to determine whether the design changes of these prosthes...
A class of cell surface receptors recognized by its pharmacological profile. Sigma receptors were originally considered to be opioid receptors because they bind certain synthetic opioids. However they also interact with a variety of other psychoactive drugs, and their endogenous ligand is not known (although they can react to certain endogenous steroids). Sigma receptors are found in the immune, endocrine, and nervous systems, and in some peripheral tissues.
A DNA-directed RNA polymerase found in BACTERIA. It is a holoenzyme that consists of multiple subunits including sigma factor 54.
A protein which is a subunit of RNA polymerase. It effects initiation of specific RNA chains from DNA.
The physical state of supporting an applied load. This often refers to the weight-bearing bones or joints that support the body's weight, especially those in the spine, hip, knee, and foot.
A family of small adaptin protein complex subunits of approximately 19 KDa in size.
Arthritis Fibromyalgia Gout Lupus Rheumatic Rheumatology is the medical specialty concerned with the diagnosis and management of disease involving joints, tendons, muscles, ligaments and associated structures (Oxford Medical Diction...
Arthritis is by definition the inflammation of one or more joints, characterized by swelling, pain, warmth, redness and diminished range of joint movement (Oxford Medical Dictionary). There are many different types; Noninflammatory; Osteoarthritis, N...