Alignment Techniques in Total Knee Arthroplasty：Where do We Stand Today?

Achieving optimal alignment in total knee arthroplasty (TKA) is a critical factor in ensuring optimal outcomes and long-term implant survival. Traditionally, mechanical alignment has been favored to achieve neutral post-operative joint alignment. However, contemporary approaches, such as kinematic a...

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Vydané v:Chinese medical sciences journal Ročník 39; číslo 3; s. 217
Hlavní autori: Hemanta, Dhungana, Subhash, Jangid, Meghal, Goyal
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: China 01.09.2024
Predmet:
total knee arthroplasty
mechanical alignment
functional alignment
hybrid alignment
anatomical alignment
alignment axes
kinematic alignment
ISSN:1001-9294
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Shrnutí:Achieving optimal alignment in total knee arthroplasty (TKA) is a critical factor in ensuring optimal outcomes and long-term implant survival. Traditionally, mechanical alignment has been favored to achieve neutral post-operative joint alignment. However, contemporary approaches, such as kinematic alignments and hybrid techniques including adjusted mechanical, restricted kinematic, inverse kinematic, and functional alignments, are gaining attention for their ability to restore native joint kinematics and anatomical alignment, potentially leading to enhanced functional outcomes and greater patient satisfaction. The ongoing debate on optimal alignment strategies considers the following factors: long-term implant durability, functional improvement, and resolution of individual anatomical variations. Furthermore, advancements of computer-navigated and robotic-assisted surgery has augmented the precision in implant positioning and objective measurements of soft tissue balance. Despite ongoing debates on balancing implant longevity and functional outcomes, there is an increasing advocacy for personalized alignment strategies that are tailored to individual anatomical variations. This review evaluates the spectrum of various alignment techniques in TKA, including mechanical alignment, patient-specific kinematic approaches, and emerging hybrid methods. Each technique is scrutinized based on its fundamental principles, procedural techniques, inherent advantages, and potential limitations, while identifying significant clinical gaps that underscore the need for further investigation.
Bibliografia:ObjectType-Article-1
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ISSN:1001-9294
DOI:10.24920/004372