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Updated: Jul 17, 2025

Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement
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Technical Recommendations for Computed Tomography Guidance of Intervention in the Right Ventricular Outflow Tract:

B Kelly Han1, Santiago Garcia2, Jamil Aboulhosn3

  • 1University of Utah, Intermountain Primary Children's Hospital, Salt Lake City, UT, USA.

World Journal for Pediatric & Congenital Heart Surgery
|August 30, 2023
PubMed

Insights

This consensus document provides guidelines for cardiovascular computed tomography (CCT) to assess right ventricular outflow tract (RVOT) dysfunction in congenital heart disease (CHD) patients, guiding pulmonary valve replacement interventions.

Area of Science:

  • Cardiovascular Imaging
  • Congenital Heart Disease
  • Interventional Cardiology

Background:

  • Right ventricular outflow tract (RVOT) dysfunction is a critical concern in congenital heart disease (CHD).
  • Multimodality imaging techniques are used to assess RVOT dysfunction.
  • Existing guidelines provide a basis for intervention indications.

Purpose of the Study:

  • To establish consensus on cardiovascular computed tomography (CCT) performance for guiding RVOT interventions in CHD.
  • To propose standardized recommendations for CCT acquisition and reporting.
  • To support both surgical and transcatheter pulmonary valve replacement procedures.

Main Methods:

  • Collaborative development by pediatric and adult interventionalists, surgeons, and cardiac imagers.
  • Review of existing consensus statements and guideline documents.
  • Proposal of CCT scan acquisition and reporting protocols.

Main Results:

  • Defined RVOT dysfunction assessment using multimodality imaging.
  • Presented recommendations for CCT performance tailored to CHD patients.
  • Established a standardized approach for reporting CCT findings.

Conclusions:

  • This document offers the first Imaging for Intervention collaboration for CHD.
  • Provides imaging and reporting recommendations for pulmonary valve replacement.
  • Aims to optimize intervention guidance through standardized CCT protocols.

Keywords:
cardiac computed tomographycongenital heart diseasepulmonary valve

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