Sagittal Radius of Curvature, Trochlea Design and Ultracongruent Insert in Total Knee Arthroplasty

Overview

Journal EFORT Open Rev

Specialty Orthopedics

Date 2019 Sep 21

PMID 31538002

Citations 7

Authors

Jimmy Wui Guan Ng

Benjamin V Bloch

Peter J James

Affiliations

Soon will be listed here.

Abstract

Multi radius (MR) total knee arthroplasty (TKA) has been associated with mid-flexion instability.Single radius (SR) TKA may provide better anteroposterior stability through single flexion axis and biomechanical advantage for quadriceps function.Medial pivot (MP) TKA and gradually reducing (GR) radius TKA produce better knee kinematics.Clinical outcomes are equivalent for SR, MR and MP TKA.Short-term studies have shown better clinical outcomes and kinematics for GR TKA.Thinner and narrow anterior flange, deeper trochlea groove and more anatomical trochlea design reduces patellofemoral complications in TKAUltracongruent inserts provide comparable clinical outcomes to posterior-stabilized TKA and cruciate retaining TKA. Cite this article: 2019;4:519-524. DOI: 10.1302/2058-5241.4.180083.

Citing Articles

Do Ultracongruent Inserts Reproduce the Intraoperative Sagittal Plane Kinematics of Posterior Stabilized TKR? Assessment Using a Modern Robotic System.

Thekkumpurath M, Goyal D, Kannan A Indian J Orthop. 2024; 59(1):108-114.

PMID: 39735874 PMC: 11680524. DOI: 10.1007/s43465-024-01292-3.

Analysis of Variation in Sagittal Curvature of the Femoral Condyles.

Winslow E, Pan X, Hull M J Biomech Eng. 2024; 146(11).

PMID: 38913074 PMC: 11500806. DOI: 10.1115/1.4065813.

Lateral distal femoral condyle has more uniform cartilage wear in varus knee osteoarthritis.

Wei M, Hao K, Kang H, Kong L, Wang F Sci Rep. 2024; 14(1):86.

PMID: 38168489 PMC: 10762106. DOI: 10.1038/s41598-023-50168-3.

Clinical advantages of gradually reducing radius versus multi-radius total knee arthroplasty: a noninferiority randomized trial.

Limmahakhun S, Chaiamporn A, Klunklin K, Jingjit W BMC Musculoskelet Disord. 2023; 24(1):69.

PMID: 36703203 PMC: 9878805. DOI: 10.1186/s12891-023-06177-4.

Equivalent outcomes of ultra-congruent and standard cruciate-retaining inserts in total knee arthroplasty.

Vishwanathan K, Kambhampati S, Vaishya R Knee Surg Sports Traumatol Arthrosc. 2022; 30(9):3076-3091.

PMID: 35013748 DOI: 10.1007/s00167-021-06833-z.

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