Patellar tendon rupture

Revisión del 18:01 29 dic 2014 de Neil.m.young (discusión | contribs.) (additional points)

Background

  • Occurs via forceful contraction of quadriceps muscle or falling on flexed knee
  • Quadriceps rupture proximal to the patella while patellar tendon ruptures are distal
  • Typically occur 2cm from insertion on patella
  • Patellar tendon rupture
    • Pts <40yr w/ history of tendinitis or steroid injections
  • Quadriceps tendon rupture
    • Pts >40yr

Clinical Features

  • Diffuse swelling
  • Pt unable to extend a flexed knee against mild resistance
  • Defect may be palpable above or below the patella

Imaging

  • High-riding patella may be seen on lateral w/ patellar tendon rupture

Management

  • Ortho consult in the ED

Source

  • Tintinalli