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Related Experiment Video

Updated: Aug 16, 2025

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts
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Hamstring Graft Preparation for ACL Reconstruction.

Giuseppe Rovere1, Leonardo Stramazzo2, Michele Romeo2

  • 1Department of Orthopedics and Traumatology Fondazione Policlinico Universitario A. Gemelli IRCSS, Roma, Italia; Università Cattolica Del Sacro Cuore, Roma, Italia., ROMA, Italia.

Orthopedic Reviews
|December 21, 2022
PubMed
Summary
This summary is machine-generated.

Quadrupled semitendinosus (ST) hamstring grafts offer a thicker diameter for anterior cruciate ligament (ACL) reconstruction, potentially reducing re-rupture risk. This study reviews hamstring graft preparation techniques for optimal patient outcomes.

Keywords:
ACL graft configuration.anterior cruciate ligamentkneesurgery

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Biomechanical Engineering

Background:

  • Anterior cruciate ligament (ACL) reconstruction is a common orthopedic procedure.
  • Traditionally, gracilis and semitendinosus tendons are harvested for hamstring grafts.
  • Graft preparation methods aim to optimize diameter and minimize donor site morbidity.

Purpose of the Study:

  • To review and analyze various hamstring graft preparation techniques for ACL reconstruction.
  • To compare different configurations, including doubled and quadrupled arrangements.
  • To guide surgeons in selecting the most appropriate graft type.

Main Methods:

  • Review of current literature on hamstring graft preparation.
  • Analysis of different tendon arrangements (e.g., tripled, quadrupled semitendinosus).
  • Comparison of graft diameter and potential clinical implications.

Main Results:

  • Quadrupled semitendinosus (ST) grafts provide a larger diameter compared to traditional doubled grafts.
  • Thicker grafts may more closely replicate native ACL dimensions.
  • This approach may decrease the risk of graft re-rupture.

Conclusions:

  • Hamstring graft preparation significantly impacts ACL reconstruction outcomes.
  • Quadrupled ST grafts present a viable option for achieving adequate graft diameter.
  • Optimized graft selection can enhance patient recovery and reduce re-injury rates.