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The purpose of this study is to evaluate if the P.F.C. Sigma RPF knee accommodates functional stability with a post-operative passive range of motion of greater than 125° of flexion and to demonstrate that the range of motion does not compromise the longevity of the implant.
Primary endpoint is to demonstrate that 90% of patients have a functionally stable knee that can achieve post operative range of motion of 125 degrees or greater.
The secondary endpoint is to investigate the survivorship of the P.F.C. Sigma RP-F knee at 1, 2, 3, 5, 10, 15 and 20 years
Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
P.F.C. Sigma RP-F Total Knee Replacement
The Nook, 51/B SV Road
Active, not recruiting
Published on BioPortfolio: 2014-07-23T21:20:10-0400
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 Pla...
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 purpose of this study is to record information from clinical and radiographic examinations and patient assessment questionnaires before surgery and at suitable postoperative inter...
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 purpose of the study is to investigate the density, architecture, and perfusion of bone marrow lesions (BMLs) in knee osteoarthritis. We will perform MRI's and QCT's on subjects prior ...
To estimate the lifetime risk of knee osteoarthritis (OA) and total knee replacement (TKR) in persons sustaining ACL tear by age 25.
Determine if severity of osteoarthritis-related knee pain is associated with willingness to undergo total knee replacement (TKR) and if this association is confounded or modified by components of soci...
Patients with rheumatoid arthritis (RA) and osteoarthritis (OA) may require revision total knee replacement. Few studies have compared post-operative complications, results and risk of re-revision in ...
The relation of knee replacement (KR) surgery to all-cause mortality has not been well established owing to potential biases in previous studies. Thus, we aimed to examine the relation of KR to mortal...
Chronic pain after total knee replacement (TKR) is not uncommon. Preoperative impaired conditioning pain modulation (CPM) has been used to predict chronic postoperative pain. Interestingly, exercises ...
Replacement of the knee joint.
Replacement for a knee joint.
Noninflammatory degenerative disease of the knee joint consisting of three large categories: conditions that block normal synchronous movement, conditions that produce abnormal pathways of motion, and conditions that cause stress concentration resulting in changes to articular cartilage. (Crenshaw, Campbell's Operative Orthopaedics, 8th ed, p2019)
Partial or total replacement of a joint.
Partial or total replacement of one or more FINGERS, or a FINGER JOINT.