Three-dimensional Dual-Phase Whole-Heart MR Imaging: Clinical Implications for Congenital Heart Disease

Abstract

Certain structures in CHD are better imaged in systole and others in diastole, and therefore, the dual-phase approach allows a higher overall success rate. This approach also allows depiction of diameter changes between systole and diastole and is therefore preferable to standard single-phase sequences for the planning of interventional procedures.

Single centre experience of the application of self navigated 3D whole heart cardiovascular magnetic resonance for the assessment of cardiac anatomy in congenital heart disease

“…In a previous report on the use of navigator-gated 3D whole heart acquisition in CHD patients, Sørensen et al [ 16 ] reported that 21 out of 52 datasets (40 %) were excluded because of an inadequate image quality. In a pediatric population, Hussain et al [ 27 ] described the performance of a dual-phase, i.e. systolic and diastolic navigator-gated 3D acquisition for the assessment of the great vessels including the caval veins and the pulmonary veins.…”

Three-dimensional patient-specific cardiac model for surgical planning in Nikaidoh procedure

“…However new dual-phase b-SSFP sequence could be used in order to evaluate the intracardiac anatomy in both systole and diastole. 9 Other imaging alternatives could be magnetic resonance contrast-enhanced or computed tomography. We acknowledge that, although this segmentation algorithm is not a limitation in the reproduction of the vessel wall, it does not truly represent the myocardial wall thickness but the ventricular cavity.…”

Morphological three-dimensional analysis of papillary muscles in borderline left ventricles

“…Electrocardiogram-gated three dimensional of the whole heart is a useful MRI sequence to assess the great vessels, the coronary arteries, and the cardiac chambers in patients with complex CHD including hypoplastic left heart syndrome. 4,5,14 In this study, a combination of short-axis cine and three-dimensional whole heart demonstrated the anatomy of papillary muscles in all patients. These sequences are already a part of the MRI protocol in our centre in the assessment of patients with hypoplastic left heart syndrome before undergoing surgery and during follow-up.…”