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- W2322843708 abstract "Objective Our goal was to validate cardiac measurements derived from multishot echo planar MRI (EPI) as compared with the well validated conventional GRE technique. Method Ten healthy subjects underwent breath-hold EPI and non-breath-hold GRE imaging in the short axis orientation of the left ventricle (LV) on a standard 1.5 T MR system. Ten section levels were obtained to encompass the entire LV. Measurements were obtained of end-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV), ejection fraction (EF), LV mass, time to end-systole (TES), and peak filling rate (PFR). Analysis of variance was performed to determine agreement between GRE- and EPI-derived measurements. Results The acquisition time for EPI was much shorter than that for GRE (2.5 vs. 15 min). Both imaging techniques yielded good quality images allowing LV volumetrics. Agreement between GRE and EPI was best for measurements of EDV, SV, and LV mass; somewhat less agreement was found for ESV, EF, TES, and PFR. The intraobserver variability for measuring TES and PFR was higher for GRE than EPI (one sided F test; critical values at p = 0.05 were >3.18). Conclusion Multishot EPI of the heart provides accurate measurements of LV function and mass in a time-efficient manner." @default.
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- W2322843708 date "1996-11-01" @default.
- W2322843708 modified "2023-10-16" @default.
- W2322843708 title "Echo Planar MRI of the Heart on a Standard System: Validation of Measurements of Left Ventricular Function and Mass" @default.
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- W2322843708 doi "https://doi.org/10.1097/00004728-199611000-00014" @default.
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