Juan Carlos Gomez-Rodriguez
CES University, ColombiaPresentation Title:
Accessible and Low-Cost Digital Tools for Surgeon-Driven 3D Planning and Printing in Endovascular Aortic Repair
Abstract
Introduction: Precise preoperative planning is critical for successful endovascular aortic repair (EVAR), as it reduces complications such as Type I endoleaks and reinterventions. However, in many healthcare settings, access to advanced 3D imaging workstations and specialized vascular planning software is limited due to high costs. This study presents a practical approach using open-source, low-cost digital tools for 3D planning and surgeon-driven printing of vascular models to enhance EVAR outcomes.
Objective: To demonstrate the feasibility, affordability, and ease of use of low-cost digital tools for surgeons to independently plan, size, and 3D print anatomical models for endovascular aortic aneurysm repair.
Methods: Three open-source and affordable tools were integrated into the EVAR planning workflow: Horos™: An open-source DICOM viewer used for 3D multiplanar reconstruction and volume rendering. 3D Slicer: A versatile software for segmenting and exporting 3D anatomical models suitable for 3D printing. Affinity Designer™: A cost-effective vector graphics tool used to create precise anatomical maps and planning templates. Using these tools, surgeons generated STL files of the aortic anatomy, which were then processed using desktop 3D printers. Models were produced for planning, patient education, and intraoperative reference
Results: Ease of Use: Surgeons without advanced imaging training quickly adapted to the tools, achieving high-quality 3D models with minimal learning curves. Cost Efficiency: The combined cost of software and hardware was significantly lower than traditional 3D imaging solutions. Enhanced Planning: Printed models improved spatial understanding of complex anatomy, facilitated accurate graft sizing, and optimized fenestration planning for urgent cases. Surgeon Independence: The workflow empowered surgeons to independently create and utilize patient-specific models, bypassing the need for expensive proprietary platforms.
Conclusion: Low-cost, open-source digital tools enable surgeons to independently plan and execute EVAR with precision. The integration of 3D printing enhances preoperative preparation and fosters team collaboration, particularly in resource-limited settings. These tools democratize access to advanced surgical planning techniques, bridging gaps in technology and training worldwide.
Biography
Dr. Juan Carlos Gómez Rodríguez is a Colombian vascular surgeon with extensive medical and surgical expertise, including 25 years of military service as a highly decorated army physician, retiring with the rank of Colonel. He earned his medical degree and specialized in General Surgery and Vascular Surgery at the Universidad Militar Nueva Granada. He also served as a research scholar in Trauma Surgery at the University of Miami Miller School of Medicine and specialized in Epidemiology at the Universidad Autónoma de Bucaramanga. Renowned for his leadership and innovation, Dr. Gómez integrates clinical expertise, teaching, and research to advance vascular surgery, focusing on the use of technology to improve outcomes in civilian and military healthcare settings.
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