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Altogether, 43 patients who had visible scars on short-axis LGE-CMR images and were candidates for CABG surgery were selected and enrolled in this study. MR imaging was performed preoperatively using a 1.5-T MRI scanner. All images were segmented by two expert radiologists (in consensus). Prior to extraction of radiomics features, all MR images were resampled to an isotropic voxel size of 1.8\u2009\u00d7\u20091.8\u2009\u00d7\u20091.8 mm<jats:sup>3<\/jats:sup>. Subsequently, intensities were quantized to 64 discretized gray levels and a total of 93 features were extracted. The applied algorithms included a smoothly clipped absolute deviation (SCAD)\u2013penalized support vector machine (SVM) and the recursive partitioning (RP) algorithm as a robust classifier for binary classification in this high-dimensional and non-sparse data. All models were validated with repeated fivefold cross-validation and 10,000 bootstrapping resamples. Ten and seven features were selected with SCAD-penalized SVM and RP algorithm, respectively, for CABG responder\/non-responder classification. Considering univariate analysis, the GLSZM gray-level non-uniformity-normalized feature achieved the best performance (AUC: 0.62, 95% CI: 0.53\u20130.76) with SCAD-penalized SVM. Regarding multivariable modeling, SCAD-penalized SVM obtained an AUC of 0.784 (95% CI: 0.64\u20130.92), whereas the RP algorithm achieved an AUC of 0.654 (95% CI: 0.50\u20130.82). In conclusion, different radiomics texture features alone or combined in multivariate analysis using machine learning algorithms provide prognostic information regarding myocardial function in patients after CABG.\n<\/jats:p>","DOI":"10.1007\/s10278-022-00681-0","type":"journal-article","created":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T18:02:51Z","timestamp":1661191371000},"page":"1708-1718","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Myocardial Function Prediction After Coronary Artery Bypass Grafting Using MRI Radiomic Features and Machine Learning Algorithms"],"prefix":"10.1007","volume":"35","author":[{"given":"Fatemeh","family":"Arian","sequence":"first","affiliation":[]},{"given":"Mehdi","family":"Amini","sequence":"additional","affiliation":[]},{"given":"Shayan","family":"Mostafaei","sequence":"additional","affiliation":[]},{"given":"Kiara","family":"Rezaei Kalantari","sequence":"additional","affiliation":[]},{"given":"Atlas","family":"Haddadi Avval","sequence":"additional","affiliation":[]},{"given":"Zahra","family":"Shahbazi","sequence":"additional","affiliation":[]},{"given":"Kianosh","family":"Kasani","sequence":"additional","affiliation":[]},{"given":"Ahmad","family":"Bitarafan Rajabi","sequence":"additional","affiliation":[]},{"given":"Saikat","family":"Chatterjee","sequence":"additional","affiliation":[]},{"given":"Mehrdad","family":"Oveisi","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5735-0736","authenticated-orcid":false,"given":"Isaac","family":"Shiri","sequence":"additional","affiliation":[]},{"given":"Habib","family":"Zaidi","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,8,22]]},"reference":[{"key":"681_CR1","doi-asserted-by":"publisher","first-page":"e1332","DOI":"10.1016\/S2214-109X(19)30318-3","volume":"7","author":"S Kaptoge","year":"2019","unstructured":"Kaptoge S, et al.: World Health Organization cardiovascular disease risk charts: revised models to estimate risk in 21 global regions. 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