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Related Concept Videos

Knee Joint01:23

Knee Joint

1.8K
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
1.8K
Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

2.5K
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
2.5K

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Related Experiment Video

Updated: Jul 9, 2025

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
07:33

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

Published on: May 5, 2023

608

[Unicompartmental knee prosthesis].

C Infante1, M Barahona1

  • 1Equipo de Rodilla del Hospital Clínico de la Universidad de Chile y de la Clínica Las Condes. Santiago, Chile.

Acta Ortopedica Mexicana
|December 5, 2023
PubMed
Summary
This summary is machine-generated.

Unicompartmental knee prosthesis (UKP) is a primary option for severe knee osteoarthritis when conservative treatments fail. UKP offers better clinical outcomes and fewer complications compared to total knee prostheses (TKP) in select patients.

Keywords:
clinical resultskneeprosthesistotal knee prosthesisunicompartmental knee osteoarthritisunicompartmental knee prosthesis

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Radiology

Context:

  • Severe unicompartmental knee osteoarthritis (OA) unresponsive to conservative management.
  • Painful symptoms localized to the affected compartment with a reducible axis.
  • Diagnostic imaging includes weight-bearing knee X-rays, Rosenberg views, and lower extremity teleradiographs.

Purpose:

  • To replace the affected compartment in knee osteoarthritis, restoring native anatomy.
  • Achieve adequate soft tissue balance for optimal joint function.
  • Maintain proper limb alignment to prevent overloading of the contralateral compartment or prosthesis.

Summary:

  • Unicompartmental knee prosthesis (UKP) is the preferred surgical option for select patients with severe knee OA.
  • Both mobile and fixed bearing UKPs show similar clinical and survival results, but robotic surgery favors fixed bearings.
  • UKP demonstrates superior clinical and functional outcomes with reduced complications compared to total knee prostheses (TKP) in similar patient cohorts.
  • While registry survival data for UKP is lower than TKP, high-volume centers with strict patient selection achieve comparable longevity.

Impact:

  • UKP provides a viable alternative to TKP, potentially preserving more native knee structures.
  • Optimized surgical techniques and patient selection enhance UKP outcomes.
  • Robotic assistance in UKP surgery may further improve precision and reduce complications.
  • Widespread adoption in high-flow centers suggests UKP can achieve long-term durability comparable to TKP.