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Updated: Jun 27, 2026

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3D Whole-heart Myocardial Tissue Analysis
Published on: April 12, 2017
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画像統合による心筋および電気解剖学的心室瘢痕の同定:2つの画像統合システムを比較する病理組織学的研究
Kasun De Silva1, Timothy Campbell1, Richard G Bennett2
1Department of Cardiology, Westmead Hospital, Sydney, Australia; Westmead Applied Research Centre, University of Sydney, Sydney, New South Wales, Australia.
JACC. Clinical electrophysiology
|January 8, 2026
まとめ
心臓磁気共鳴(CMR)画像統合システムADAS-3DおよびinHEARTは、アブレーションのための心室頻拍瘢痕の同定において同等の精度を示します。心内膜および心筋内瘢痕には有効ですが、両システムとも心外膜および非コンパクト瘢痕の同定には苦労します。
科学分野:
- 心血管イメージング
- 電気生理学
- 医療機器技術
背景:
- 心臓磁気共鳴(CMR)画像統合は、瘢痕組織を描出することにより、心室頻拍(VT)アブレーションのガイドとして期待されています。
- VTアブレーションにおける一般的に使用されるCMRセグメンテーションツールのための組織学的データおよび比較研究は限られています。
主な方法:
- 誘発性心筋梗塞を有するヒツジモデルを使用して、組織学的瘢痕モデルを作成しました。
- ADAS-3DおよびinHEARTを使用してCMR画像をセグメント化し、心内膜、心筋内、心外膜層に対して全心組織学と比較して検証しました。
- 臨床検証には、VTアブレーションを受けた5人のヒト被験者が含まれ、重要なVT部位をセグメント化された瘢痕領域に一致させました。
結論:
- ADAS-3DおよびinHEARTは、VTアブレーションにおいて同等の瘢痕特性評価および瘢痕-リエントリー回路関係の表示を提供します。
- これらの技術では、心外膜および非コンパクト瘢痕パターンを正確に同定する上での限界が残っています。
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