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Title: | Comparison of 2D versus M-mode echocardiography for assessing fetal myocardial wall thickness |
Author: | Sepúlveda Martínez, Álvaro García-Otero, Laura Soveral, Iris Guirado, Laura Valenzuela Alcaraz, Brenda I. Torres, Ximena Rodríguez López, Mérida Gratacós Solsona, Eduard Gómez, Olga Crispi Brillas, Fàtima |
Keywords: | Ecocardiografia Cor Fetus Estudi de casos Echocardiography Heart Fetus Case studies |
Issue Date: | 11-Feb-2018 |
Publisher: | Informa UK Ltd. |
Abstract: | OBJECTIVE: M-mode and 2D have been proposed for evaluating fetal myocardial thickness. However, studies comparing the performance of both modalities are lacking. We aimed to compare 2D versus M-mode reproducibility for assessing myocardial wall thicknesses. METHODS: A prospective study including 45 healthy fetuses from low-risk pregnancies evaluated between 18 and 41 weeks of gestation. Left and right ventricular free-wall and septal myocardial thicknesses were measured at end-diastole (ED) and end-systole (ES) in transverse 4-chamber view using 2D and M-mode. Intra- and interobserver reproducibility was evaluated by the concordance correlation coefficient (CCC). Both techniques were compared by t-test of the CCC. RESULTS: 2D and M-mode demonstrated excellent and similar intraobserver repeatability, with the best concordance in ES septal thickness (M-mode CCC 0.956 versus 2D-mode CCC 0.914). Interobserver reproducibility demonstrated also a high concordance, optimal in ES left ventricular free wall (M-mode 0.925 versus 2 D 0.855). Comparison of both techniques demonstrated a high concordance in all measurements, except for ED septal thickness with better reproducibility using M-mode (CCC 0.954 versus 0.847, p = .017). CONCLUSIONS: 2D and M-mode can be used in a reproducible manner for measuring fetal myocardial thickness, with a slightly better performance of M-mode for assessing ED septal wall thickness. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1080/14767058.2018.1432041 |
It is part of: | Journal Of Maternal-Fetal & Neonatal Medicine, 2018, vol. 32, num. 14, p. 2319-2327 |
URI: | http://hdl.handle.net/2445/145218 |
Related resource: | https://doi.org/10.1080/14767058.2018.1432041 |
ISSN: | 1476-7058 |
Appears in Collections: | Articles publicats en revistes (Cirurgia i Especialitats Medicoquirúrgiques) Articles publicats en revistes (BCNatal Fetal Medicine Research Center) |
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