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Evaluation of multiple ventricular septal defects using three-dimensional reconstruction models†.

Naoki Yoshimura1, Masaya Aoki1, Daisuke Toritsuka1

  • 1First Department of Surgery, Graduate School of Medicine, University of Toyama, Toyama, Japan.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|March 12, 2025
PubMed
Summary

Three-dimensional models and computer graphics aid in surgical planning for complex ventricular septal defects. These tools improve visualization and understanding of defect positioning, size, and shape for better surgical decisions.

Keywords:
Multiple ventricular septal defectsThree-dimensional computer graphicsThree-dimensional printed model

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Area of Science:

  • Cardiovascular Surgery
  • Medical Imaging
  • Congenital Heart Disease

Background:

  • Advancements in 3D imaging for congenital heart disease exist, but precise modeling of complex ventricular septal defects remains a challenge.
  • Accurate pre-operative visualization is crucial for planning surgical interventions in complex cardiac anomalies.

Purpose of the Study:

  • To evaluate the utility of 3D printed models and computer graphics in surgical planning for complex multiple ventricular septal defects.
  • To assess the effectiveness of these 3D tools in visualizing and understanding the spatial characteristics of ventricular septal defects.

Main Methods:

  • Seven patients with complex multiple ventricular septal defects underwent pre-operative evaluation.
  • Multi-slice computed tomography data was used to create 3D printed models and computer graphics.
  • These 3D visualizations were used for surgical decision-making and planning.

Main Results:

  • 3D printed models identified 60% of muscular ventricular septal defects (VSDs), while 3D computer graphics identified 67%.
  • Both methods enabled evaluation of VSDs from both left and right ventricular perspectives.
  • The tools facilitated a comprehensive assessment of defect morphology.

Conclusions:

  • Preliminary findings suggest 3D printed models and computer graphics are valuable tools for planning surgeries in patients with complex multiple VSDs.
  • 3D models enhance understanding of the spatial positioning of defects.
  • High-quality 3D computer graphics offer precise details on VSD size, shape, and location, particularly from the left ventricular view.