Rodilla/Knee: Tendencias de una década

Trends in Total Knee Arthroplasty Implant Utilization
Long-Co L. Nguyen, Mandeep Lehil, Kevin J. Bozic
The Journal of Arthroplasty
Published Online: December 13, 2014
DOI: http://dx.doi.org/10.1016/j.arth.2014.12.009

Abstract

The incidence of total knee arthroplasty (TKA) has increased alongside our knowledge of knee physiology, kinematics, and technology resulting in an evolution of TKA implants. This study examines the trends in TKA implant utilization in the United States.

Data from 2001 to 2012 was extracted from The Orthopedic Research Network to evaluate trends in level of constraint, fixed vs. mobile bearing, fixation, and type of polyethylene.

In 2012, 88% of primary TKAs used cemented femoral and tibial implants. 38% of primary TKA implants were cruciate retaining, 53% posterior stabilized or condylar stabilized, 3% constrained. 91% was fixed-bearing, 7% mobile-bearing. 52% of tibial inserts were HXLPE.

TKA implant trends demonstrate a preference for cemented femoral and tibial components, fixed-bearing constructs, the use of metal-backed tibial components, and increased usage of HXLPE liners.