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Related Experiment Video

Updated: Jun 20, 2026

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts
10:32

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts

Published on: March 26, 2015

Can pre-operative measures predict quadruple hamstring graft diameter?

C Benjamin Ma1, Emily Keifa, Warren Dunn

  • 1University of California, San Francisco, San Francisco, California 94143, United States. maben@orthosurg.ucsf.edu

The Knee
|September 11, 2009
PubMed
Summary
This summary is machine-generated.

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Pre-operative height and gender can predict hamstring graft diameter in anterior cruciate ligament (ACL) reconstruction. Males generally have larger grafts, while female patients may require alternative graft considerations.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Sports Medicine

Background:

  • Autologous hamstring grafts are commonly used for anterior cruciate ligament (ACL) reconstruction.
  • Graft diameter variability poses a challenge for surgical planning.

Purpose of the Study:

  • To determine if pre-operative patient parameters can predict hamstring graft diameter.
  • To identify factors influencing in vivo graft size for ACL reconstruction.

Main Methods:

  • Retrospective review of 536 anterior cruciate ligament (ACL) reconstructions using quadruple hamstring grafts.
  • Analysis of pre-operative data including gender, height, age, and BMI.
  • Multiple regression analysis to model graft diameter prediction.

Related Experiment Videos

Last Updated: Jun 20, 2026

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts
10:32

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts

Published on: March 26, 2015

Main Results:

  • Male patients had significantly larger grafts (8.1mm) than females (7.5mm).
  • Pre-operative height and gender were significant predictors of graft diameter in the overall group.
  • Height was a specific predictor in males, but no pre-operative factors predicted graft diameter in females.

Conclusions:

  • Patient height and gender serve as valuable pre-operative indicators for quadruple hamstring graft diameter in ACL reconstruction.
  • A significant percentage of female patients (42%) may have graft diameters of 7mm or less.
  • Discussing alternative graft options pre-operatively is advisable for female patients, especially those who are tall or have a larger build.