Reduced field of view single-shot spiral perfusion imaging.

ABSTRACT:

Purpose

To develop a single-shot spiral perfusion pulse sequence with outer-volume suppression (OVS) to achieve whole-heart coverage with a short temporal footprint of 10 ms per slice location.

Methods

A highly accelerated single-shot variable density spiral pulse sequence with an integrated OVS module for reduced field of view (rFOV) perfusion imaging with 2 mm spatial resolution was developed and evaluated in simulations, phantom experiments and in clinical patients with (n = 8) or without (n = 8) OVS. Images were reconstructed by block low-rank sparsity with motion guidance (BLOSM) and graded by two cardiologists on a 5-point scale (1, excellent; 5, poor).

Results

Simulation and phantom results showed that OVS effectively suppressed the signal outside the desired f

SUBMITTER: Yang Y 

PROVIDER: S-EPMC5607067 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature