Abstract
The original implementation of 2D cine DENSE (displacement encoding with stimulated echoes) employed a conventional EPI k-space trajectory for rapid data sampling. Follow-up studies used flyback EPI to reduce image artifacts. More recently a spiral k-space trajectory was utilized for improved SNR.
Highlights
The original implementation of 2D cine DENSE employed a conventional EPI k-space trajectory for rapid data sampling
More recently a spiral k-space trajectory was utilized for improved SNR
Cine DENSE pulse sequences were developed that employed different k-space trajectories, namely conventional bottom-up interleaved EPI, flyback bottom-up interleaved EPI, and interleaved spiral
Summary
The original implementation of 2D cine DENSE (displacement encoding with stimulated echoes) employed a conventional EPI k-space trajectory for rapid data sampling. Follow-up studies used flyback EPI to reduce image artifacts. More recently a spiral k-space trajectory was utilized for improved SNR. Purpose To evaluate and compare SNR efficiencies and strain results of these three techniques for 2D cine DENSE imaging
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