Abstract
Background Left ventricular mass (LVM) is widely used to guide clinical decision-making. CMR is well suited to measure LVM as it provides high-resolution delineation of myocardial contours. CMR quantification of LVM is typically performed via planimetry of contiguous short axis images, an approach fundamentally dependent on reader selection of short axis images to be contoured. Established methods have applied different binary cutoffs using circumferential extent of LV myocardium to define the basal LV, while omitting short axis images containing lesser fractions of LV myocardium. This study compared LVM, quantified using different established methods for basal slice selection, to independent references of LVM measured by echocardiography and necropsy. Methods
Highlights
Left ventricular mass (LVM) is widely used to guide clinical decision-making
CMR quantification of LVM is typically performed via planimetry of contiguous short axis images, an approach fundamentally dependent on reader selection of short axis images to be contoured
This study compared LVM, quantified using different established methods for basal slice selection, to independent references of LVM measured by echocardiography and necropsy
Summary
Lauren A Simprini2*, Parag Goyal, Jamie Mullally, Noel Codella, Anika Afroz, Mitchell Cooper, David S Fieno, J Paul Finn, Richard B Devereux, Jonathan W Weinsaft. From 16th Annual SCMR Scientific Sessions San Francisco, CA, USA. From 16th Annual SCMR Scientific Sessions San Francisco, CA, USA. 31 January - 3 February 2013
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