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Study Shows Patients with MicroPort®'s Medial-Pivot Knee Are More Likely to Forget They've Had a Joint Replacement (MicroPort®'s medial-pivot knee was designed to provide more stability and replicate the natural kinematics of the Knee)

[2018-02-26] 

 Arlington, TN – On January 30, 2018, MicroPort Orthopedics Inc., a medical device company that develops and manufactures cutting edge joint replacement implants designed to help patients achieve full function faster, announced that The Journal of Arthroplasty has published a retrospective, comparative study that evaluated patient satisfaction after total knee arthroplasty ("TKA") using the MicroPort® Orthopedics' Evolution® Medial-Pivot ("MP") Knee System and a posterior-stabilized ("PS") knee system. The study showed that patients who underwent the MP-TKA scored significantly better on the Forgotten Joint Score ("FJS") than those who underwent the PS-TKA, particularly with regard to deep knee flexion and stability of the prosthesis.
 
"The goal of TKA surgery is to provide a joint replacement that functions as closely as possible to a normal knee and I believe that this study further validates the superiority of the medial-pivot design over traditional designs with regard to patient outcomes," says David Backstein, MD, MEd, FRCSC, Head of Orthopaedic Surgery at Mount Sinai Hospital in Toronto, Ontario. "MicroPort®'s medial-pivot features an insert designed to promote medial stability and lateral mobility and a femoral component with constant radii of curvature, resulting in greater stability and kinematics that closely replicate the natural motion of the knee."
 
The article titled, "A Retrospective Comparison of a Medial Pivot and Posterior-Stabilized Total Knee Arthroplasty with Respect to Patient-Reported and Radiographic Outcomes," was authored by Drs. David Samy and David Backstein from the Granovsky Gluskin Division of Orthopaedics at University of Toronto. A total of 164 patients, 76 in the MP-TKA group and 88 in the PS-TKA group, were evaluated at one-year follow-up using the FJS, a recently developed, validated measure of patient satisfaction after TKA. The FJS score is based on a 12-item questionnaire related to patients' ability to forget their artificial joint in everyday life. To date, this study is the first to compare an MP-TKA and a PS-TKA using the FJS as a primary outcome measure.
 
Studies show that around 20 percent of patients are not satisfied with the outcome of their total knee replacement as a result of residual pain and functional issues that can often attributed to implant design. Based on the results of this study as well as previous studies showing 95% patient satisfaction and 98.8% survivorship at 17 years, it is clear that the unique design of the MP-TKA can deliver reproducible outcomes that drive patient satisfaction. Furthermore, it is the only system on the market with a clinically-proven 20-year history.

About MicroPort®

MicroPort Scientific Corporation (the "Group") is a leading medical device company with business focusing on innovating, manufacturing, and marketing high-quality and high-end medical devices globally. With a diverse portfolio of products now being used at an average rate of one for every 12 seconds in thousands of major hospitals around the world, the Group maintains world-wide operations in a broad range of business segments including Cardiovascular, Orthopedic, Cardiac Rhythm Management, Electrophysiological, Endovascular, Neurovascular, Surgical, Diabetes Care and Endocrinal Management, and others. MicroPort® is dedicated to becoming a patient oriented global enterprise improve and reshape patient lives through application of innovative science and technology.

For more information, please refer to: www.microport.com

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Leanne Li
Board Secretary and Vice President of Corporate General Affairs
MicroPort Scientific Corporation
Tel: (86)(21) 38954600-6953
Email: ir@microport.com

 

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