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Construction of a Realistic, Whole-Body, Three-Dimensional Equine Skeletal Model using Computed Tomography Data
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[Balancing technique using bone cuts].

D Jeremić1, R Haaker2

  • 1Klinik für Orthopädie, St. Vincenz Hospital, Danziger Str. 17, 33034, Brakel, Deutschland. d.jeremic@khwe.de.

Der Orthopade
|May 21, 2020
PubMed
Summary
This summary is machine-generated.

Kinematic alignment (KA) surgery restores natural knee joint function by focusing on intraarticular balance. This technique avoids ligament release, preserving joint physiology and reducing destabilization risks.

Keywords:
FemurKinematicsKnee jointLigamentsTibia

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Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Knee Joint Anatomy

Background:

  • Kinematic alignment (KA) is a surgical technique prioritizing intraarticular balance and laxity.
  • It considers the prearthritic state of the knee joint for personalized treatment.

Purpose of the Study:

  • To achieve a constitutionally aligned joint space line and balanced soft tissue tension.
  • To reduce the risk of destabilizing the knee's natural physiology by avoiding joint line proximalization and ligament release.

Main Methods:

  • Maintaining or restoring the natural distal femoral joint line in full extension and the posterior line at 90° after bone resections.
  • Performing the distal femoral cut before resecting the posterior femoral condyles to preserve the femur's flexion-extension axis.

Main Results:

  • Achieved natural knee joint alignment, closely replicating native femoral and tibial anatomy.
  • Demonstrated that ligament release is rarely necessary, with adjustments typically managed through bone recuts.

Conclusions:

  • Kinematic alignment surgery successfully replicates natural knee anatomy and preserves joint function.
  • The technique minimizes the need for ligamentous procedures, contributing to joint stability.