Machine learning models can detect aneurysm rupture and identify clinical features associated with rupture.

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ID: 2962
2019
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Abstract
Machine learning (ML) has been increasingly used in medicine and neurosurgery. We sought to determine whether ML models can distinguish ruptured from unruptured aneurysms and identify features associated with rupture.We performed a retrospective review of patients with intracranial aneurysms detected on vascular imaging at our institution between 2002 and 2018. The dataset was used to train three machine learning models (random forest, linear support vector machine (SVM), radial basis function kernel SVM). Relative contributions of individual predictors were derived from the linear SVM model.Complete data was available for 845 aneurysms in 615 patients. Ruptured aneurysms (n = 309, 37%) were larger (mean 6.51 mm vs 5.73 mm, p = 0.02) and more likely to be in the posterior circulation (20% vs 11%, p < 0.001) than unruptured aneurysms. Area under the receiver operating curve was 0.77 for the linear SVM, 0.78 for the radial basis function (RBF) kernel SVM models, and 0.81 for the random forest model. Aneurysm location and size were the two features that contributed most significantly to the model. Posterior communicating artery (pcomm), anterior communicating artery (acomm), and posterior inferior cerebellar artery (PICA) locations were most highly associated with rupture, while paraclinoid and middle cerebral artery (MCA) locations had the strongest association with unruptured status.Machine learning models are capable of accurately distinguishing ruptured from unruptured aneurysms and identifying features associated with rupture. Consistent with prior studies, location and size show the strongest association with aneurysm rupture.
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silva2019machineworld Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Silva, Michael A;Patel, Jay;Kavouridis, Vasileios;Gallerani, Troy;Beers, Andrew;Chang, Ken;Hoebel, Katharina V;Brown, James;See, Alfred P;Gormley, William B;Aziz-Sultan, Mohammad Ali;Kalpathy-Cramer, Jayashree;Arnaout, Omar;Patel, Nirav J;
Journal world neurosurgery
Year 2019
DOI
S1878-8750(19)31889-3
URL
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