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Feasibility and Accuracy of Automated Software for Transthoracic Three-Dimensional Left Ventricular Volume and Function Analysis: Comparisons with Two-Dimensional Echocardiography, Three-Dimensional Transthoracic Manual Method, and Cardiac Magnetic Resonance Imaging by Gloria Tamborini; Concetta Piazzese; Roberto M. Lang; Manuela Muratori; Elisa Chiorino; Massimo Mapelli; Laura Fusini; Sarah Ghulam Ali; Paola Gripari; Gianluca Pontone; Daniele Andreini; Mauro Pepi is a Medicine article available to read on EtoBox.

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## Background: Recently, a new automated software package (heartmodel) was developed to obtain three-dimensional (3d) left ventricular (lv) volumes using a model-based algorithm (mba) with a "one-button" simple system and user-adjustable slider. the aims of this study were to verify the feasibility and accuracy of the mba in comparison with other commonly used imaging techniques in a large unselected population, to evaluate possible accuracy improvements of free operator border adjustments or changes of the slider's default position, and to identify differences in method accuracy related to specific pathologies. ## Methods: This prospective study included consecutive 200 patients. lv volumes and ejection fraction were obtained using the mba and compared with the two-dimensional biplane method, the 3d full-volume (3dfv) modality, and, in 90 of 200 cases, cardiac magnetic resonance (cmr) measurements. to evaluate the optimal position of the slider with respect to the 3dfv and cmr modalities, a set of threefold cross-validation experiments was performed. optimized and manually corrected lv volumes obtained using the mba were also tested. linear correlation and bland-altman analysis we

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Author

Gloria Tamborini; Concetta Piazzese; Roberto M. Lang; Manuela Muratori; Elisa Chiorino; Massimo Mapelli; Laura Fusini; Sarah Ghulam Ali; Paola Gripari; Gianluca Pontone; Daniele Andreini; Mauro Pepi

Publisher

Elsevier Science; Elsevier ; C.V. Mosby Company; Elsevier BV (ISSN 1097-6795)

Published

2017

Language

EN

Field

Medicine (Health Sciences)