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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.
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Arthroscopic Patellar Lateral Facetectomy.

Marcio B Ferrari1, George Sanchez1, Jorge Chahla1

  • 1Steadman Philippon Research Institute, Vail, Colorado, U.S.A.

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|June 6, 2017
PubMed
Summary
This summary is machine-generated.

Isolated patellofemoral osteoarthritis, often affecting the lateral patellar facet, can cause significant knee pain. Arthroscopic lateral patellar facetectomy offers a surgical solution for refractory cases, restoring normal patellar contact.

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Biomechanical Engineering

Background:

  • Isolated patellofemoral osteoarthritis is common, frequently involving the lateral patellar facet.
  • Pathology may stem from patellar maltracking, instability, or degenerative changes.
  • Accurate diagnosis requires thorough physical examination and imaging to exclude other causes of knee pain.

Purpose of the Study:

  • To evaluate the efficacy of arthroscopic lateral patellar facetectomy for isolated patellofemoral osteoarthritis.
  • To determine if surgical intervention improves outcomes in patients refractory to nonoperative management.

Main Methods:

  • Nonoperative management includes exercises, injections, bracing, and activity modification.
  • Surgical candidates present with lateral patellar pain and clear bony deformity.
  • Arthroscopic lateral patellar facetectomy allows intraoperative assessment and correction of bony contact.

Main Results:

  • Patients with refractory lateral patellar pain and bony deformity may benefit from surgery.
  • Arthroscopic approach enables dynamic joint assessment and intraoperative adjustments.
  • Restoration of normal bony contact is the primary surgical goal.

Conclusions:

  • Arthroscopic lateral patellar facetectomy is a viable surgical option for specific cases of isolated patellofemoral osteoarthritis.
  • This procedure can effectively address bony deformities causing persistent lateral patellar pain.
  • Restoring proper patellofemoral mechanics is crucial for successful treatment outcomes.