Abstract
Oxygenation-sensitive cardiovascular magnetic resonance (OS-CMR) is a novel, powerful tool for assessing coronary function in vivo. The data extraction and analysis however are labor-intensive. The objective of this study was to provide an automated approach for the extraction, visualization, and biomarker selection of OS-CMR images. We created a Python-based tool to automate extraction and export of raw patient data, featuring 3336 attributes per participant, into a template compatible with common data analytics frameworks, including the functionality to select predictive features for the given disease state. Each analysis was completed in about 2 min. The features selected by both ANOVA and MIC significantly outperformed (p < 0.001) the null set and complete set of features in two datasets, with mean AUROC scores of 0.89eatures f 0.94lete set of features in two datasets, with mean AUROC scores that our tool is suitable for automated data extraction and analysis of OS-CMR images.
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Data Availability
All python code for the toolkit can be made available upon request. A sample of the data can also be provided on demand.
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Parts of the work were funded by the MUHC McGill University Health Center Foundation.
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Plasa, G., Hillier, E., Luu, J. et al. Automated Data Transformation and Feature Extraction for Oxygenation-Sensitive Cardiovascular Magnetic Resonance Images. J. of Cardiovasc. Trans. Res. (2024). https://doi.org/10.1007/s12265-023-10474-7
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DOI: https://doi.org/10.1007/s12265-023-10474-7