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Conclusions
The results of this study prove the incremental prognostic benefits of LV function imaging measures over standard baseline variables in a large, clinical population. Global longitudinal strain measurement by 2DS was superior to EF and WMSI for the prediction of outcome and may become the optimal method for assessment of global LV systolic function. Guidelines incorporating measures of LV function may need to be revised to incorporate global longitudinal strain in light of this finding..
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