PMID- 32476706 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20200928 IS - 0277-786X (Print) IS - 1996-756X (Electronic) IS - 0277-786X (Linking) VI - 11317 DP - 2020 Feb TI - Fully automated segmentation of the right ventricle in patients with repaired Tetralogy of Fallot using U-Net. LID - 113171M [pii] LID - 10.1117/12.2549052 [doi] AB - Cardiac magnetic resonance (CMR) imaging is considered the standard imaging modality for volumetric analysis of the right ventricle (RV), an especially important practice in the evaluation of heart structure and function in patients with repaired Tetralogy of Fallot (rTOF). In clinical practice, however, this requires time-consuming manual delineation of the RV endocardium in multiple 2-dimensional (2D) slices at multiple phases of the cardiac cycle. In this work, we employed a U-Net based 2D convolutional neural network (CNN) classifier in the fully automatic segmentation of the RV blood pool. Our dataset was comprised of 5,729 short-axis cine CMR slices taken from 100 individuals with rTOF. Training of our CNN model was performed on images from 50 individuals while validation was performed on images from 10 individuals. Segmentation results were evaluated by Dice similarity coefficient (DSC) and Hausdorff distance (HD). Use of the CNN model on our testing group of 40 individuals yielded a median DSC of 90% and a median 95(th) percentile HD of 5.1 mm, demonstrating good performance in these metrics when compared to literature results. Our preliminary results suggest that our deep learning-based method can be effective in automating RV segmentation. FAU - Tran, Christopher T AU - Tran CT AD - University of Texas at Dallas, Department of Bioengineering, Richardson, TX, USA. FAU - Halicek, Martin AU - Halicek M AD - University of Texas at Dallas, Department of Bioengineering, Richardson, TX, USA. AD - Georgia Inst. of Tech. and Emory Univ., Dept. of Biomedical Engineering, Atlanta, GA. FAU - Dormer, James D AU - Dormer JD AD - Georgia Inst. of Tech. and Emory Univ., Dept. of Biomedical Engineering, Atlanta, GA. FAU - Tandon, Animesh AU - Tandon A AD - Dept. of Radiology, Univ. of Texas Southwestern Medical Center, Dallas, TX. AD - Department of Pediatrics, Univ. of Texas Southwestern Medical Center, Dallas, TX. FAU - Hussain, Tarique AU - Hussain T AD - Dept. of Radiology, Univ. of Texas Southwestern Medical Center, Dallas, TX. AD - Department of Pediatrics, Univ. of Texas Southwestern Medical Center, Dallas, TX. FAU - Fei, Baowei AU - Fei B AD - University of Texas at Dallas, Department of Bioengineering, Richardson, TX, USA. AD - Advanced Imaging Research Center, Univ. of Texas Southwestern Medical Center, Dallas, TX. AD - Dept. of Radiology, Univ. of Texas Southwestern Medical Center, Dallas, TX. LA - eng GR - R01 CA156775/CA/NCI NIH HHS/United States GR - R01 CA204254/CA/NCI NIH HHS/United States GR - R01 HL140325/HL/NHLBI NIH HHS/United States GR - R21 CA231911/CA/NCI NIH HHS/United States PT - Journal Article DEP - 20200228 PL - United States TA - Proc SPIE Int Soc Opt Eng JT - Proceedings of SPIE--the International Society for Optical Engineering JID - 101524122 PMC - PMC7261612 MID - NIHMS1592300 OTO - NOTNLM OT - Cardiac magnetic resonance imaging OT - Convolutional neural network (CNN) OT - Deep learning OT - Heart OT - Image segmentation OT - Left ventricle OT - Tetralogy of Fallot COIS- DISCLOSURES The authors have no relevant financial interests in this article and no potential conflicts of interest to disclose. EDAT- 2020/06/02 06:00 MHDA- 2020/06/02 06:01 PMCR- 2020/05/31 CRDT- 2020/06/02 06:00 PHST- 2020/06/02 06:00 [entrez] PHST- 2020/06/02 06:00 [pubmed] PHST- 2020/06/02 06:01 [medline] PHST- 2020/05/31 00:00 [pmc-release] AID - 113171M [pii] AID - 10.1117/12.2549052 [doi] PST - ppublish SO - Proc SPIE Int Soc Opt Eng. 2020 Feb;11317:113171M. doi: 10.1117/12.2549052. Epub 2020 Feb 28.