常時生検の計算分析により,心臓アロ移植血管病の診断と予測が改善される
Eliot G Peyster1, Andrew Janowczyk2,3, Abigail Swamidoss2
1Cardiovascular Research Institute (E.G.P., K.B.M.), University of Pennsylvania, Philadelphia.
Circulation
|April 11, 2022
まとめ
心臓移植バイオプシの計算分析により,心臓アロ移植血管病 (CAV) を数年前に予測できます. この精密医療のアプローチは CAVの早期発見とパーソナライズされた治療を改善します.
科学分野:
- 心臓病科
- デジタル病理学
- 精密医療
背景:
- 心臓移植の主要な原因の1つは心臓アログラフト血管病です.
- 現在の臨床的リスク要因は,攻撃的なCAVのリスクが高い患者を確実に特定することはできません.
- パーソナライズされたCAVの予後検査が必要です.
研究 の 目的:
- 心臓内部の生検 (EMB) のデジタル病理画像の計算分析を用いた精密医療ツールを開発する.
- 臨床症状より何年も前に CAV の発症を予測する
- パーソナライズされた治療戦略を 強化するためです
主な方法:
- 心臓移植を受けた302人の臨床データと183人のEMBをアーカイブした.
- デジタル病理画像解析を用いた臨床モデル (ClinCAV-Pr) と組織学モデル (HistoCAV-Dx,HistoCAV-Pr) を開発した.
- ヒストロジカルと臨床データを組み合わせた予測モデル (iCAV-Pr) に統合した.
主要な成果:
- 臨床モデル (ClinCAV- Pr) は控えめな予測性能を示した (AUROC 0. 70).
- ヒストロジカルモデルは,強力な診断 (HistoCAV- Dx,AUROC 0. 91) と予測 (HistoCAV- Pr,AUROC 0. 80) 能力を示した.
- 統合モデル (iCAV-Pr) は優れた予測性能 (AUROC 0.93) を達成した.
結論:
- EMBの計算分析は,将来のCAVの予測を大幅に改善します.
- 通常の生検における形態学的詳細は 移植後のケアの精度とパーソナライゼーションを高めることができます
- このアプローチはCAVの早期発見と管理のための有望なツールです.
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