NPJ cardiovascular health · 2026
A view-flexible deep learning framework for automated analysis of 2D echocardiography.
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Anisuzzaman D M, Malins Jeffrey G, Jackson John I, Lee Eunjung, Naser Jwan A, Rostami Behrouz, Bird Jared G, Spiegelstein Dan, Amar Talia, Ngo Christie C, Oh Jae K, Pellikka Patricia A, Thaden Jeremy J, Lopez-Jimenez Francisco, Poterucha Timothy J, Friedman Paul A, Pislaru Sorin V, Kane Garvan C, Attia Zachi I
Аннотация
Echocardiography traditionally requires experienced operators to select and interpret clips from specific viewing angles. Clinical decision-making is therefore limited for handheld cardiac ultrasound (HCU), which is often collected by novice users. In this study, we developed a view-flexible deep learning framework to estimate left ventricular ejection fraction (LVEF), patient age, and patient sex from any of several views containing the left ventricle. Model performance was: (1) consistently strong across retrospective transthoracic echocardiography (TTE) datasets; (2) comparable between prospective HCU versus TTE (625 patients; LVEF r2 0.80 vs. 0.86, LVEF [> or ≤40%] AUC 0.981 vs. 0.993, age r2 0.85 vs. 0.87, sex classification AUC 0.985 vs. 0.996); (3) comparable between prospective HCU data collected by experts versus novice users (100 patients; LVEF r2 0.77 vs. 0.64, LVEF AUC 0.983 vs. 0.968). This approach may broaden the clinical utility of echocardiography by lessening the need for user expertise in image acquisition. Created in BioRender. Malins, J. (2026) https://BioRender.com/lhw4pb1 .