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The purpose of this study was to compare the all-polyethylene tibial component with the modular metal-backed component in primary total knee arthroplasty. A retrospective review of 1064 patients recorded clinical failure, as determined by need for revision surgery, range of motion, and impending radiographic loosening, as evaluated by the presence of radiolucent lines. Mean follow-up was 1.2 and 3 years, respectively. Survival in the all-polyethylene group was 100%, with 95.5% (95%
85.8-98.6) survival in the metal-backed component group at 4.3 years. Thin (<4 mm) radiolucent lines were present in one patient (0.7%) with an all-polyethylene implant and 24 (16.9%) patients with the metalbacked component (p < .001), while one (0.7%) and two (1.4%) patients had evidence of osteolysis, respectively (p = .621). While there were fewer radiolucent lines noted around the all-polyethylene implant on radiographs, the clinical implications of the finding are unknown. In this study population, the all-polyethylene tibial component appears appropriate. (Journal of Surgical Orthopaedic Advances 28(2):108-114, 2019).
This article was published in the following journal.
Name: Journal of surgical orthopaedic advances
The geriatric population represents a rapidly growing segment of society with prolonged life expectancies and more active lifestyles. Many of these patients have already undergone primary total hip ar...
The primary objective was to evaluate the correlation between 5-year radiographic structural disease progression and early clinical remission in recent-onset rheumatoid arthritis (RA). The secondary o...
The risk of early complications is high after monoblock acetabular metal-on-metal (MoM) THA revisions. However, there is a paucity of evidence regarding clinical complications after isolated head-line...
This study examined whether a new total knee arthroplasty (TKA) prosthesis improved implant survivorship and reoperation rates compared with a gold-standard, established TKA. A retrospective analysis ...
The objectives of this study were to compare (i.) esthetic, (ii.) clinical (iii.) radiographic and (iv.) patient centered outcomes following immediate (Type 1) and early implant placement (Type 2).
This study is designed to compare prospectively, in a randomized Level 1 evidence fashion, the clinical, functional, and radiographic results of a modular polished tibial (MPT) tray with a...
A post market, prospective, non-randomized, multi-center, open-label, clinical study using survivorship as the reference performance goal to study the safety and efficacy of the Titan Modu...
The purpose of this study is to demonstrate survivorship of the femoral stem at 5 years.
The primary objective of this study is to obtain implant survivorship and clinical outcomes data for commercially available Persona fixed bearing knee implants used in total knee arthropla...
This clinical study will evaluate the early to midterm safety and performance of the JOURNEY™ II UNI UKS in patients with non-inflammatory degenerative joint disease of the knee requiring ...
A vinyl polymer made from ethylene. It can be branched or linear. Branched or low-density polyethylene is tough and pliable but not to the same degree as linear polyethylene. Linear or high-density polyethylene has a greater hardness and tensile strength. Polyethylene is used in a variety of products, including implants and prostheses.
Organic chemistry methodology that mimics the modular nature of various biosynthetic processes. It uses highly reliable and selective reactions designed to "click" i.e., rapidly join small modular units together in high yield, without offensive byproducts. In combination with COMBINATORIAL CHEMISTRY TECHNIQUES, it is used for the synthesis of new compounds and combinatorial libraries.
Thorium oxide (ThO2). A radiographic contrast agent that was used in the early 1930s through about 1954. High rates of mortality have been linked to its use and it has been shown to cause liver cancer.
Use of optic and geometric techniques to enhance radiographic image quality and interpretation. It includes use of microfocal X-ray tubes and intensifying fluoroscopic screens.
Computer systems or networks designed to provide radiographic interpretive information.
A joint is where two or more bones come together, like the knee, hip, elbow, or shoulder. Joints can be damaged by many types of injuries or diseases, including Arthritis - inflammation of a joint causes pain, stiffness, and swelling with ...
Arthroplasty is a surgical procedure to restore the integrity and function of a joint. A joint can be restored by resurfacing the bones. An artificial joint (called a prosthesis) may also be used. Various types of arthritis may affect the joints. Osteo...
Surgery is a technology consisting of a physical intervention on tissues. All forms of surgery are considered invasive procedures; so-called "noninvasive surgery" usually refers to an excision that does not penetrate the structure being exci...