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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Prospective Identification of CRT Super Responders Using a Motion Atlas and Random Projection Ensemble Learning
verfasst von : Devis Peressutti, Wenjia Bai, Thomas Jackson, Manav Sohal, Aldo Rinaldi, Daniel Rueckert, Andrew King
Erschienen in: Medical Image Computing and Computer-Assisted Intervention – MICCAI 2015
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Cardiac Resynchronisation Therapy (CRT) treats patients with heart failure and electrical dyssynchrony. However, many patients do not respond to therapy. We propose a novel framework for the prospective characterisation of CRT ‘super-responders’ based on motion analysis of the Left Ventricle (LV). A spatio-temporal motion atlas for the comparison of the LV motions of different subjects is built using cardiac MR imaging. Patients likely to present a super-response to the therapy are identified using a novel ensemble learning classification method based on random projections of the motion data. Preliminary results on a cohort of 23 patients show a sensitivity and specificity of 70% and 85%.