Abstract
Background Cardiovascular magnetic resonance (CMR) has been shown to be accurate and reproducible for right ventricular (RV) function evaluation. RV mass, assessed in enddiastolic (ED) phase, is one of the least reproducible CMR derived variables. The end-systolic (ES) phase could offer an alternative way to improve reproducibility, since the selection of basal slice and visualization of the usually thin RV wall are easier in this phase. Our goal was to evaluate the accuracy, reproducibility and contouring time for both ED and ES segmentation of the RV. Methods
Highlights
Cardiovascular magnetic resonance (CMR) has been shown to be accurate and reproducible for right ventricular (RV) function evaluation
Clinical CMR exams were performed on a 1.5T Siemens scanner (Avanto, Siemens Health Systems, Germany) using a steady-state free precession (SSFP) sequence
Animal CMR were performed on a 3T Siemens scanner (Trio, Siemens Health Systems, Germany) using a SSFP sequence
Summary
Cardiovascular magnetic resonance (CMR) has been shown to be accurate and reproducible for right ventricular (RV) function evaluation. RV mass, assessed in enddiastolic (ED) phase, is one of the least reproducible CMR derived variables. The end-systolic (ES) phase could offer an alternative way to improve reproducibility, since the selection of basal slice and visualization of the usually thin RV wall are easier in this phase. Our goal was to evaluate the accuracy, reproducibility and contouring time for both ED and ES segmentation of the RV.
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