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Repair of Chronic Patellar Tendon Rupture with Extensor Mechanism Allograft Augmentation.

Ldcr Hicks C Manson1, W Michael Pullen2, Robert O Boatwright3

  • 1Department of Orthopedic Surgery, Naval Medical Center Portsmouth, Portsmouth, Virginia.

Journal of Surgical Orthopaedic Advances
|March 29, 2024
PubMed
Summary

This study shows that repairing chronic patellar tendon ruptures using an Achilles tendon allograft is effective. All military patients successfully returned to duty with improved function and range of motion.

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Area of Science:

  • Orthopaedic Surgery
  • Sports Medicine
  • Regenerative Medicine

Background:

  • Chronic patellar tendon ruptures present a significant challenge in active populations.
  • Previous repair methods have variable outcomes, necessitating innovative techniques.

Purpose of the Study:

  • To evaluate the efficacy of a novel chronic patellar tendon repair technique.
  • This technique involves primary repair augmented with Achilles tendon allograft.
  • The study focused on active-duty military personnel.

Main Methods:

  • A cohort of five active-duty military patients with chronic patellar tendon ruptures underwent surgical repair.
  • The repair involved primary tendon reapproximation augmented with Achilles tendon allograft.
  • Patients were followed for 12 months, assessing range of motion, Lysholm scores, and return to duty.

Main Results:

  • All patients demonstrated significant improvement in Lysholm scores, increasing from an average of 35 to 87.
  • Postoperative assessment showed no extensor lag and an average knee flexion of 130 degrees.
  • Remarkably, all five patients successfully returned to active military duty.

Conclusions:

  • The described technique of chronic patellar tendon repair with Achilles allograft augmentation is safe and effective.
  • This method yields favorable functional outcomes and facilitates return to demanding physical activities.
  • This approach offers a viable solution for managing chronic patellar tendon ruptures in high-functioning individuals.