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Title: Anatomical assessment of intrathoracic cardiovascular structures using fast spin-echo double inversion recovery and steady-state free precession magnetic resonance imaging in a normal cat
Authors: Arencibia Espinosa, Alberto 
Corbera Sánchez, Juan Alberto 
Gil, F.
Ramírez, G.
Jáber Mohamad, José Raduán 
Morales Doreste, Manuel Francisco 
Vázquez, J. M.
UNESCO Clasification: 310907 Patología
320501 Cardiología
Keywords: Bright-Blood Imaging
Dark-Blood Imaging
Issue Date: 2019
Journal: Journal of Veterinary Cardiology 
Abstract: In human medicine, non-contrast cardiac magnetic resonance imaging (CMRI) is routinely used to assess the cardiovascular system. In this study, using non-contrast CMRI, we provide a thorough description of the normal appearance of the intrathoracic cardiovascular structures in one healthy cat using a magnet operating at a field of 1.5-Tesla. The CMRI protocol was based on the use of fast spin-echo double inversion recovery and steady-state free precession pulse sequences in oblique short-axis, vertical long-axis, and horizontal long-axis imaging planes. After imaging the feline heart, four cadaver cats injected with latex substance into their arterial and venous systems were sectioned to facilitate interpretation of the intrathoracic cardiovascular structures to the corresponding CMRI. The fast spin-echo double inversion recovery images showed the best evaluation of gross intrathoracic anatomy, giving excellent contrast of the myocardium and vessels walls as they appeared with intermediate signal intensity compared to the lumen that appeared with low signal intensity. By contrast, steady-state free precession images showed details of the heart cavities and vascular lumen due to the high signal intensity of fast-flowing blood. The results of this study provide some anatomic detail for the heart and associated vessels as seen by non-contrast CMRI in the domestic cat.
ISSN: 1760-2734
DOI: 10.1016/j.jvc.2019.05.002
Source: Journal of Veterinary Cardiology [ISSN 1760-2734], v. 24, p. 28-35
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