Development and feasibility testing of a dynamic image-derived simulation framework for assessing left atrioventricular valve repair strategies - Report - MDSpire

Development and feasibility testing of a dynamic image-derived simulation framework for assessing left atrioventricular valve repair strategies

  • By

  • Stephen Ching

  • Christopher Zelonis

  • Christian Herz

  • Patricia Sabin

  • Matthew Daemer

  • Muhammad Nuri

  • Yan Wang

  • Devin W. Laurence

  • Jonathan M. Chen

  • Lindsay S. Rogers

  • Michael D. Quartermain

  • John Moore

  • Terry Peters

  • Elvis Chen

  • Matthew A. Jolley

  • June 8, 2026

  • 0 min

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Clinical Report: Creation and evaluation of a dynamic simulation framework

Overview

This study presents a dynamic simulation framework for analyzing surgical strategies in left atrioventricular valve repair, addressing the unique anatomical features of pediatric patients.

Background

Atrioventricular canal defects are prevalent in children, particularly those with Down Syndrome, leading to significant surgical challenges. The left atrioventricular valve (LAVV) repair often requires reintervention due to complications such as regurgitation.

Data Highlights

No numerical data was provided in the source material.

Key Findings

['The dynamic simulation framework is designed to address the anatomical variability of the LAVV in pediatric patients.', 'Current repair techniques often do not achieve durable valve function, necessitating further interventions.', 'Leaflet tenting and billow are important predictors of surgical outcomes.', 'Existing simulation models are primarily static and do not replicate dynamic valve mechanics.']

Clinical Implications

The introduction of a dynamic simulation framework may provide surgeons with insights into valve mechanics.

Conclusion

The development of this dynamic simulation framework represents a significant advancement in evaluating surgical techniques for LAVV repair.

Related Resources & Content

  1. A Dynamic Simulator for Surgical and Transcatheter Mitral Valve Procedures: Insights from Ex-Vivo and In-Vitro Studies, 2023
  2. Dynamic Modification of Virtual Chordae Tendineae for Mitral Valve Simulation in a Clinical Decision Support Framework, 2020
  3. A Phantom Simulation Model for Creating Synthetic Mitral Valve Imaging Data: Implications for MRI Acquisition Strategy, 2023
  4. Pediatric Cardiology — Is the Left Atrioventricular Valve Reduction Index (LAVRI) a Reliable Indicator for Determining Surgical Approaches in Atrioventricular Septal Defect Repair?, 2021
  5. Atrioventricular Septal Defect (AVSD) | Congenital Heart Defects (CHDs) | CDC
  6. Clinical Practice Algorithm For the Follow-Up of Repaired and Unrepaired Atrioventricular Septal Defects - American College of Cardiology
  7. New Concise Clinical Guidance Addresses Outpatient Management of Isolated Left-to-Right Shunt Lesions in Pediatric Patients - American College of Cardiology
  8. Left Atrioventricular Valve Regurgitation After Atrioventricular Septal Defect Repair - PubMed
  9. Intraoperative predictors of left atrioventricular valve reoperation after repair of complete atrioventricular septal defect - PubMed
  10. Thirty years of left atrioventricular valve reoperations following atrioventricular septal defect repair: Impact of valvar stenosis - PubMed
  11. Rationale For the Third Dimension in Preoperative Assessments of Atrioventricular Septal Defects - American College of Cardiology
  12. Simulation of Repair on Dynamic Patient-Specific Left Atrioventricular Valve Models
  13. Atrioventricular Septal Defect (AVSD) | Congenital Heart Defects (CHDs) | CDC
  14. Clinical Practice Algorithm For the Follow-Up of Repaired and Unrepaired Atrioventricular Septal Defects - American College of Cardiology
  15. New Concise Clinical Guidance Addresses Outpatient Management of Isolated Left-to-Right Shunt Lesions in Pediatric Patients - American College of Cardiology
  16. Left Atrioventricular Valve Regurgitation After Atrioventricular Septal Defect Repair - PubMed
  17. Intraoperative predictors of left atrioventricular valve reoperation after repair of complete atrioventricular septal defect - PubMed
  18. Thirty years of left atrioventricular valve reoperations following atrioventricular septal defect repair: Impact of valvar stenosis - PubMed
  19. Rationale For the Third Dimension in Preoperative Assessments of Atrioventricular Septal Defects - American College of Cardiology
  20. Simulation of Repair on Dynamic Patient-Specific Left Atrioventricular Valve Models

Original Source(s)

Development and feasibility testing of a dynamic image-derived simulation framework for assessing left atrioventricular valve repair strategies

  • by Stephen Ching, Christopher Zelonis, Christian Herz, Patricia Sabin, Matthew Daemer, Muhammad Nuri, Yan Wang, Devin W. Laurence, Jonathan M. Chen, Lindsay S. Rogers, Michael D. Quartermain, John Moore, Terry Peters, Elvis Chen, Matthew A. Jolley

  • June 8, 2026

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