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Related Experiment Video

Updated: Jan 5, 2026

Three-Dimensional Printing of a Complex Aortic Anomaly
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Preoperative Planning for Physician-Modified Endografts Using a Three-Dimensional Printer.

Hiroshi Mitsuoka1, Yasuhiko Terai1, Yuta Miyano1

  • 1Department of Cardiovascular Surgery, Shizuoka City Shizuoka Hospital, Shizuoka, Shizuoka, Japan.

Annals of Vascular Diseases
|October 23, 2019
PubMed
Summary

Three-dimensional (3D) printing enhances physician-modified endovascular graft (PMEG) design for complex juxtarenal aneurysms. This technology allows precise fenestration planning, improving patient treatment outcomes.

Keywords:
abdominal aortic aneurysmendovascular aneurysm repairjuxtarenalparavisceralsimulation

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Area of Science:

  • Medical technology
  • Vascular surgery
  • Biomedical engineering

Background:

  • Three-dimensional (3D) printing is rapidly advancing medical applications.
  • Juxtarenal aneurysms present complex anatomical challenges for endovascular repair.

Purpose of the Study:

  • To discuss the current and future roles of 3D printing in physician-modified endovascular grafts (PMEG) for juxtarenal aneurysms.
  • To highlight the benefits of 3D modeling in designing complex stent graft fenestrations.

Main Methods:

  • Utilizing 3D models to account for intricate stent graft geometry.
  • Designing branch fenestrations based on patient-specific aortic anatomy.
  • Applying 3D printing technology for customized fenestrated stent grafts.

Main Results:

  • 3D models facilitate the precise design of fenestrations for complex aortic anatomies.
  • This approach enables geometrical adaptation of stent grafts in angulated aortic segments.
  • Successful treatment of juxtarenal aortic pathologies using fenestrated stent grafts is achievable.

Conclusions:

  • 3D printing technology is crucial for designing patient-specific fenestrated stent grafts.
  • It allows for preservation of vital organ circulation.
  • It secures a robust proximal sealing zone in complex juxtarenal aneurysm cases.