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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

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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...
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Knee Joint01:23

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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...
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A Prospective, Single-Center, Randomized Controlled Study Comparing Non-Resurfacing versus Resurfacing in a Cohort of 250 Posterior-Stabilized Total Knee Arthroplasty With a Minimum Five-Year Follow-Up.

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When the brain never fully registers surgery and postoperative inflammation is controlled: a two-phase model of postoperative pain.

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Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
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Patellofemoral arthroplasty.

S Lustig1

  • 1Service de chirurgie orthopédique, Centre Albert-Trillat, CHU de Lyon-Nord, Lyon, France.

Orthopaedics & Traumatology, Surgery & Research : OTSR
|January 14, 2014
PubMed
Summary
This summary is machine-generated.

Patellofemoral arthroplasty outcomes have improved with newer implant designs and techniques. Careful patient selection is crucial for successful patellofemoral joint replacement surgery.

Keywords:
Patellofemoral arthroplastyPatellofemoral osteoarthritis

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Reconstructive surgery

Background:

  • Patellofemoral arthroplasty (PFA) outcomes are debated due to early implant failures.
  • Previous studies reported variable results with first- and second-generation PFA implants.

Purpose of the Study:

  • To review and synthesize published results of patellofemoral arthroplasty.
  • To identify trends in implant design, surgical techniques, and patient indications for PFA.

Main Methods:

  • Systematic review of published case series on patellofemoral arthroplasty.
  • Analysis of outcomes based on implant generation, surgical approach, and patient selection.

Main Results:

  • First-generation PFA implants showed high medium-term failure rates.
  • Second-generation implants, utilizing total knee arthroplasty (TKA) design principles, demonstrate improved medium-term outcomes.
  • Short-term complications include patellar maltracking; long-term issues involve tibiofemoral osteoarthritis progression. Implant loosening and wear are infrequent.

Conclusions:

  • Modern PFA implants and surgical techniques offer better short- and medium-term results.
  • Specific indications and careful patient selection are vital for optimal PFA outcomes.
  • Long-term efficacy of contemporary PFA designs requires further investigation.