Journal of thoracic disease · 2026
Echocardiography-based multimodal models for thromboembolic risk prediction in atrial fibrillation: a narrative review.
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Liu Lei, Chen Aiyue, Liu Linqi, Maimaitijiang Pakezhati, Wang Xinyi, Zheng Lihui
Аннотация
BACKGROUND AND OBJECTIVE: The congestive heart failure, hypertension, age ≥75 years, diabetes, stroke, vascular disease, age 65-74 years, sex category (CHA2DS2-VASc) score is fundamental for assessing thromboembolic risk in atrial fibrillation (AF). However, its limitations arise from relying solely on clinical parameters, without considering individual cardiac structural and functional changes. This review aims to explore the development and implementation of multimodal risk prediction models that integrate echocardiographic parameters with clinical data and biomarkers to achieve a more precise and individualized risk assessment.
METHODS: A comprehensive literature search was conducted using relevant electronic databases (e.g., PubMed, Web of Science and Embase) to identify studies focusing on echocardiographic parameters, AF, and thromboembolic risk prediction models published up to May 2026.
KEY CONTENT AND FINDINGS: Echocardiographic parameters evaluating the left atrium and left atrial appendage (LAA; size, function, and morphology) have emerged as significant predictors of both prevalent thrombus formation and future thromboembolic events. This review details these key parameters and critically assesses various multimodal approaches, including those combining clinical-echocardiographic scores with artificial intelligence (AI) techniques. Importantly, these models demonstrate enhanced predictive accuracy for specific clinical endpoints over traditional clinical scores.
CONCLUSIONS: Utilizing a multimodal approach provides a promising supplementary tool for refined risk assessment, rather than replacing guideline-based anticoagulation decisions. Future directions should focus on standardizing echocardiographic measurements, expanding the use of AI for automated analysis, and conducting prospective interventional trials to confirm clinical benefit.
METHODS: A comprehensive literature search was conducted using relevant electronic databases (e.g., PubMed, Web of Science and Embase) to identify studies focusing on echocardiographic parameters, AF, and thromboembolic risk prediction models published up to May 2026.
KEY CONTENT AND FINDINGS: Echocardiographic parameters evaluating the left atrium and left atrial appendage (LAA; size, function, and morphology) have emerged as significant predictors of both prevalent thrombus formation and future thromboembolic events. This review details these key parameters and critically assesses various multimodal approaches, including those combining clinical-echocardiographic scores with artificial intelligence (AI) techniques. Importantly, these models demonstrate enhanced predictive accuracy for specific clinical endpoints over traditional clinical scores.
CONCLUSIONS: Utilizing a multimodal approach provides a promising supplementary tool for refined risk assessment, rather than replacing guideline-based anticoagulation decisions. Future directions should focus on standardizing echocardiographic measurements, expanding the use of AI for automated analysis, and conducting prospective interventional trials to confirm clinical benefit.