AI Model Far Outperforms Doctors in Predicting Sudden Cardiac Death Risk: Study Finds
A study published in Nature Cardiovascular Research reveals that a new artificial intelligence model developed by Johns Hopkins University significantly outperforms current clinical guidelines in predicting sudden cardiac death among patients with hypertrophic cardiomyopathy. The model, named Multimodal AI for Ventricular Arrhythmia Risk Stratification (MAARS), offers up to 93% accuracy in identifying high-risk patients, far surpassing the approximately 50% accuracy of existing methods.
Hypertrophic cardiomyopathy, one of the most common inherited heart conditions, affects 1 in every 200 to 500 people worldwide and is a leading cause of sudden cardiac death, particularly among young individuals and athletes.
The AI model changes that by harnessing a wide range of patient data, including long-overlooked contrast-enhanced MRI images and full-spectrum electronic health records. These images, while difficult for human doctors to interpret in detail, contain critical patterns of fibrosis—or heart scarring—that are strongly associated with cardiac arrest risk.
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