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Purpose of Review <p>This review examines recent developments in computed tomography-derived extracellular volume (CT-ECV) assessment, focusing on acquisition protocols, clinical applications, and emerging technologies.</p> Recent Findings <p>CT-derived extracellular volume fraction (CT-ECV) has emerged as a robust tool for myocardial characterisation across various cardiac conditions. Recent advancements in technology, including photon-counting detector CT and artificial intelligence integration, have enhanced image quality and workflow efficiency while reducing radiation exposure. CT-ECV demonstrates particular utility in cardiac amyloidosis detection, cancer therapy-related cardiac dysfunction monitoring, and risk stratification in aortic stenosis. The technique boosts the utility of CCTA by adding myocardial tissue characterisation to coronary evaluation. Synthetic ECV calculation and automated post-processing further streamline clinical implementation. While protocol standardisation remains an important goal, CT-ECV’s ability to provide valuable prognostic information positions it as an increasingly important tool in cardiovascular imaging. As evidence accumulates supporting its clinical value, CT-ECV is likely to play a growing role in patient care and research.</p> Summary <p>CT-ECV has matured into a versatile and powerful tool for myocardial characterisation across a spectrum of cardiac conditions. The integration of cutting-edge technologies, such as photon-counting detector CT and artificial intelligence, has significantly enhanced image quality and streamlined workflow efficiency while simultaneously reducing radiation exposure. This evolution addresses previous limitations and expands the clinical applicability of CT-ECV.</p>

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Computed Tomography Derived Extracellular Volume (CT-ECV): Assessment, Protocols and Utility

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月19日

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  • Sarang Paleri,
  • Clare Rayner,
  • Timothy Abrahams,
  • Sheran Vasanthakumar,
  • Vishal Goel,
  • Rahul Muthalaly,
  • Andrew Lin,
  • Nitesh Nerlekar

摘要

Purpose of Review

This review examines recent developments in computed tomography-derived extracellular volume (CT-ECV) assessment, focusing on acquisition protocols, clinical applications, and emerging technologies.

Recent Findings

CT-derived extracellular volume fraction (CT-ECV) has emerged as a robust tool for myocardial characterisation across various cardiac conditions. Recent advancements in technology, including photon-counting detector CT and artificial intelligence integration, have enhanced image quality and workflow efficiency while reducing radiation exposure. CT-ECV demonstrates particular utility in cardiac amyloidosis detection, cancer therapy-related cardiac dysfunction monitoring, and risk stratification in aortic stenosis. The technique boosts the utility of CCTA by adding myocardial tissue characterisation to coronary evaluation. Synthetic ECV calculation and automated post-processing further streamline clinical implementation. While protocol standardisation remains an important goal, CT-ECV’s ability to provide valuable prognostic information positions it as an increasingly important tool in cardiovascular imaging. As evidence accumulates supporting its clinical value, CT-ECV is likely to play a growing role in patient care and research.

Summary

CT-ECV has matured into a versatile and powerful tool for myocardial characterisation across a spectrum of cardiac conditions. The integration of cutting-edge technologies, such as photon-counting detector CT and artificial intelligence, has significantly enhanced image quality and streamlined workflow efficiency while simultaneously reducing radiation exposure. This evolution addresses previous limitations and expands the clinical applicability of CT-ECV.