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Updated: Nov 3, 2025

Three-Dimensional Printing of a Complex Aortic Anomaly
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[A Simulation Surgery of Valve-sparing Aortic Root Replacement Using a Three-dimensional Printed Model].

Yuichiro Yokoyama1, Takeshi Emmoto, Akira Kurata

  • 1Department of Cardiovascular Surgery, Yotsuba Circulation Clinic, Matsuyama, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|June 1, 2021
PubMed
Summary

Simulating aortic valve-sparing surgery using 3D-printed aortic root models helps surgeons identify potential issues. This practice improves surgical precision and patient outcomes for aortic regurgitation.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Simulation
  • 3D Printing in Medicine

Background:

  • Aortic valve-sparing surgery demands high surgical skill to manage aortic regurgitation.
  • Preoperative simulation is beneficial for surgeons, especially those with less experience.

Observation:

  • A 3D-printed aortic root model was created from CT data for a patient with severe aortic regurgitation.
  • The simulation identified specific challenges: unbalanced commissure position and insufficient coaptation height of the right coronary cusp.

Findings:

  • Simulation surgery accurately identified anatomical challenges prior to the actual procedure.
  • The actual operation successfully corrected aortic regurgitation by addressing the identified commissure and cusp height issues.

Implications:

  • Preoperative simulation using 3D models enhances surgeon confidence.
  • This approach can lead to improved patient outcomes in aortic valve repair surgeries.