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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Cardiac Catheterization II: Right Heart Catheterization01:21

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Virtual Cath Lab: Versatile Open-Source Simulator for Education and Procedural Planning in Congenital Heart

Yuval Barak-Corren1, Matthew Daemer2, Mudit Gupta1

  • 1Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.

Journal of the Society for Cardiovascular Angiography & Interventions
|December 1, 2025
PubMed
Summary

This study introduces the Virtual Cath Lab, a simulator for congenital heart disease interventions. It generates realistic fluoroscopic projections from 3D CT scans, aiding procedural planning and training.

Keywords:
cardiac imagingcongenital heart diseaseinterventional cardiologysimulationtranscatheter interventions

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Area of Science:

  • Medical Imaging
  • Cardiovascular Surgery
  • Medical Simulation

Background:

  • Transcatheter interventions for congenital heart disease rely on 3D anatomical understanding from angiograms.
  • Intraprocedural optimization is limited by radiation and contrast exposure.
  • Preprocedural planning with 3D imaging can enhance patient outcomes and training.

Purpose of the Study:

  • To simulate fluoroscopic projections from 3D computed tomography (CT) images.
  • To integrate simulation into a procedural planning framework.
  • To inform training and planning for complex transcatheter interventions.

Main Methods:

  • Developed the Virtual Cath Lab simulator in SlicerHeart.
  • Generated fluoroscopic projections from segmented 3D CT images.
  • Modeled 17 subjects with various congenital heart defects.

Main Results:

  • The simulator realistically moved a C-arm model and generated fluoroscopic projections.
  • Clear, anatomically accurate images were rapidly produced for all subjects.
  • Simulated projections were comparable to actual angiograms, suitable for procedural planning.

Conclusions:

  • An open-source biplane fluoroscopy simulator based on CT images was developed.
  • Integrated visualization aids in optimizing fluoroscopic angles and decision-making.
  • The simulator supports both procedural planning and medical education.