Varus-valgus constrained implants in total knee arthroplasty: indications and technique.

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Abstract

[Indexed for MEDLINE] 19. J Clin Med. 2022 Nov 8;11(22):6608. doi: 10.3390/jcm11226608. The Evolution, Current Indications and Outcomes of Cementless Total Knee Arthroplasty. Schwabe MT(1), Hannon CP(1). Author information: (1)Department of Orthopaedics, Washington University in St. Louis, St. Louis, MO 63110, USA. Total knee arthroplasty (TKA) has been performed by orthopedic surgeons for decades, but the cementless TKA has only recently gained much interest in the world of arthroplasty. Initially, early designs had multiple complications, particularly with aseptic loosening due to osteolysis and micromotion. However, modifications have shown good outcomes and excellent survivorship. Over the last several decades, changes in implant designs as well as implant materials/coatings have helped with bone in growth and stability. Furthermore, surgeons have been performing TKA in younger and more obese patients as these populations have been increasing. Good results from the cementless TKA compared to cemented TKA may be a better option in these more challenging populations, as several studies have shown greater survivorship in patients that are younger and have a greater BMI. Additionally, a cementless TKA may be more cost effective, which remains a concern in today's healthcare environment. Overall, cemented and cementless TKA have great results in modern times and there is still a debate as to which implant is superior. DOI: 10.3390/jcm11226608 PMCID: PMC9693456