✅ Knee MRI Mastery/Chap 2.ACL and PCL

(Fig 2-E.30) Double-bundle PCL reconstruction, Femoral Tunnel Placement

MSK MRI 2024. 4. 29. 12:02

https://youtu.be/o7Nvom0S23Q

https://youtu.be/UgiSgNcqguA

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✅ Double-Bundle PCL Reconstruction

  • The double-bundle technique aims better to mimic native PCL for improved posterior stability in flexion
  • Biomechanical studies show superior knee laxity and kinematics restoration compared to single-bundle

 

  • Potential for excessively restricted residual anteroposterior translation
  • No significant differences in clinical, radiological, and survivorship outcomes at ≥10 years follow-up

①. Femoral Tunnels

  • Anterior Bundle: Anterior 1/3 of native PCL insertion

Right knee: 1 o'clock, Left knee: 11 o'clock

  • Posterior Bundle: Middle to distal 1/3

Right knee: 3 o'clock, Left knee: 9 o'clock

②. Tibial Tunnel

  • Placement varies between single and double-bundle techniques
  • Avoid anterior placement to prevent injury to the anterior medial meniscal root

 

Am J Sports Med. 2019 Mar;47(4):822-827

Skeletal Radiol. 2014 Dec;43(12):1659-68.

 

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