Why the study?
Does a novel multi-stack coronary MRA protocol reduce scan time while maintaining image quality compared to standard single-stack MRA in healthy volunteers and patients?
Does a novel multi-stack coronary MRA protocol reduce scan time while maintaining image quality compared to standard single-stack MRA in healthy volunteers and patients?
A novel multi-stack coronary MRA protocol reduces scan time by 50% without compromising image quality compared to standard single-stack MRA.
May shorten coronary MRA protocols in research; leaves open diagnostic validation in larger clinical cohorts.
The implementation and first in vivo results of a novel coronary magnetic resonance angiography (MRA) protocol allowing simultaneous acquisition of multiple geometrically independent 3D imaging stacks are presented. Each imaging stack is acquired in a separate cardiac phase using an individual magnetization preparation and navigator-based gating and prospective motion correction. Each stack covers one of the main coronary vessels. Thus, an improvement of scan efficiency was achieved, which was used in this study to reduce total scan time at standard image quality. Experiments performed in healthy volunteers and in patients using a two-stack approach yielded a total scan time reduction of 50% with an image quality equivalent to standard single-stack coronary MRA.
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Manke et al. (2001) studied this question.
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