Initial Experience in Patients for Highly Accelerated Free-Breathing Whole-Heart Coronary MRA
Christoph Forman 1 , Christoph Tillmanns 2 , Michael O. Zenge 1 , and Michaela Schmidt 1
Siemens AG, Healthcare, Imaging and Therapy
Systems, Magnetic Resonance, Erlangen, Germany,
Berlin, Berlin, Germany
3D whole-heart magnetic resonance angiography (CMRA)
with high isotropic resolution allows the assessment of
the complete cardiac anatomy including the coronary
arteries. The highly accelerated data acquisition with
sparse, incoherent sampling enables its integration into
routine clinical examination even with navigator-gating.
In this work, the resulting image quality and diagnostic
performance of sparse CMRA was evaluated in patients and
compared to computed tomography angiography (CTA).
Although CMRA was inferior to CTA, it provides a
promising radiation-free method visualizing congenital
malformations and has great potential for screening,
e.g. to assess the risk of sudden cardiac death.
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