Is There a Benefit to Highly Crosslinked Polyethylene in Posterior-stabilized Total Knee Arthroplasty? A Randomized Trial

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Is There a Benefit to Highly Crosslinked Polyethylene in Posterior-stabilized Total Knee Arthroplasty? A Randomized Trial.

BACKGROUND Polyethylene wear and osteolysis remain a concern with the use of modular, fixed-bearing total knee arthroplasty (TKA). A variety of highly crosslinked polyethylenes (XLPs) have been introduced to address this problem, but there are few data on the results and complications of this polyethylene in posterior-stabilized knee prostheses. QUESTIONS/PURPOSES In a randomized prospective ...

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Posterior Stabilized Total Knee Arthroplasty

The posterior cruciate ligament (PCL) in total knee arthroplasty (TKA) functions to prevent posterior translation of the tibia and aids in femoral roll-back1. Roll-back allows for increased quadriceps lever arm and more efficient use of extensor musculature, permitting more normal stair climbing. Because of this, PCL retaining knees have the advantage of maintenance of ligamentous proprioceptio...

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Polyethylene Tibial Post Fracture in a Posterior Stabilized (Genesis II) Total Knee Arthroplasty

Posterior stabilizing knee prostheses have been increasing in popularity recently due to some studies showing excellent long-term survivorship, more consistent kinematics, technical ease, and higher range of motion.1,2 The posterior stabilized knee relies on a cam and post mechanism to replicate native femoral rollback. One of the major potential complications of this system is post fracture. T...

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Range of Motion In High Flexion Total Knee Arthroplasty vs. Standard Posterior Stabilized Total Knee Arthroplasty A Prospective, Randomized Study

Range of motion after knee replacement is an important factor in overall outcome. The purpose was to compare motion in patients receiving high flexion prosthesis vs. standard prosthesis. 24 high flexion and standard knee prostheses were used. Patients were followed for two years and evaluated prospectively. The mean HSS was 80.4 for the standard group and 80.7 for the flexion group. At two year...

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Background: Total knee arthroplasty (TKA) can cause excessive blood loss requiring allogenic transfusions.Tranexamic acid (TXA) has been increasingly used for lowering blood loss. The present study aimed to comparethe efficacy of intravenous (IV) and intra-articular (IA) administrations of TXA in TKA patients who receive aspirin aschemoprophylaxis and uses no drain post-operat...

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ژورنال

عنوان ژورنال: Clinical Orthopaedics & Related Research

سال: 2016

ISSN: 0009-921X

DOI: 10.1007/s11999-015-4241-x