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Patellar Tendon Reconstruction Using Hamstring Tendon and Adjustable Suspensory Cortical Fixation.

Jordan Ovigue1,2, Nicolas Graveleau1, Nicolas Bouguennec1

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Summary

This study presents a safe and reproducible surgical technique for chronic patellar tendon ruptures using hamstring tendons and adjustable suspensory fixation, aiming for full knee mobility.

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Biomedical Engineering

Background:

  • Chronic patellar tendon rupture is a rare but disabling injury affecting knee extensor function.
  • Delayed diagnosis and reconstruction present significant technical challenges.
  • Existing surgical options involve various grafts and fixation methods, each with limitations.

Purpose of the Study:

  • To describe a safe, reproducible, and anatomic technique for reconstructing chronic patellar tendon ruptures.
  • To utilize hamstring tendons with adjustable suspensory fixation for enhanced graft security and optimal knee mobility.
  • To present a surgical approach that simplifies graft preparation and fixation, drawing parallels with anterior cruciate ligament reconstruction.

Main Methods:

  • Harvesting of hamstring tendons for graft preparation.
  • Utilizing two adjustable suspensory fixation devices for securing the graft.
  • Creating a complete tibial tunnel and a patellar tunnel with a socket for graft passage.
  • Tensioning the suspensory fixation devices on both tibial and patellar sides for final graft fixation.

Main Results:

  • The described technique allows for safe and reproducible anatomic reconstruction.
  • Adjustable suspensory fixation provides secure graft fixation in both tibial and patellar tunnels.
  • The procedure aims to restore complete knee mobility, addressing the functional deficits of chronic patellar tendon rupture.

Conclusions:

  • This hamstring tendon graft technique with adjustable suspensory fixation offers a viable solution for chronic patellar tendon ruptures.
  • The method is technically straightforward and reproducible, potentially reducing surgical challenges.
  • The goal of achieving full knee mobility is facilitated by this secure and anatomic reconstruction approach.