Multiplanar reformats allow for precise measurement of the cross-sectional area of the RVOT and valvular annulus, which are essential for selection of the appropriate prosthetic valve, and to screen for conduit calcification and kinking. before repeat surgery to replace the conduit or valve, CT is also helpful to determine safety of sternal re-entry. CTA Chest CTA without ECG gating or with prospective ECG gating may be used in the setting of TOF to avoid the need for sedation for morphological assessment of the branch pulmonary arteries, including within stented segments. It is also helpful to screen for right ventricle to pulmonary artery conduit calcification and stenosis and to determine safety of sternal re-entry before surgery. Congenital or Acquired Heart Disease CTA Coronary Arteries CTA technique can be used to study accurate coronary artery anatomy and exclude anomalous coronary artery crossing the RVOT before RVOT intervention or reoperation. Particularly, the relationship of the left or right coronary artery to the pulmonary outflow tract and pulmonary valve is important to assess because this may be compressed during percutaneous valve placement, conduit dilation, or sternal re-entry. FDG-PET/CT Heart There is no relevant literature to support the use of fluorine-18-2-fluoro-2-deoxy-D-glucose (FDG)-PET/CT heart in the evaluation of repaired TOF. MRA Abdomen There is no relevant literature to support the use of MR angiography (MRA) abdomen in the evaluation of repaired TOF. MRA Chest MRA of the chest is routinely performed along with MRI heart for function and morphology for delineation of the extracardiac vasculature, including the branch pulmonary arteries, aorta, and remaining mediastinal vasculature. MRA Neck There is no relevant literature to support the use of MRA neck in the evaluation of repaired TOF. MRI Heart Function with Stress There is no relevant literature to support the use of MR stress perfusion imaging in the setting of repaired TOF.
Congenital or Acquired Heart Disease. Multiplanar reformats allow for precise measurement of the cross-sectional area of the RVOT and valvular annulus, which are essential for selection of the appropriate prosthetic valve, and to screen for conduit calcification and kinking. before repeat surgery to replace the conduit or valve, CT is also helpful to determine safety of sternal re-entry. CTA Chest CTA without ECG gating or with prospective ECG gating may be used in the setting of TOF to avoid the need for sedation for morphological assessment of the branch pulmonary arteries, including within stented segments. It is also helpful to screen for right ventricle to pulmonary artery conduit calcification and stenosis and to determine safety of sternal re-entry before surgery. Congenital or Acquired Heart Disease CTA Coronary Arteries CTA technique can be used to study accurate coronary artery anatomy and exclude anomalous coronary artery crossing the RVOT before RVOT intervention or reoperation. Particularly, the relationship of the left or right coronary artery to the pulmonary outflow tract and pulmonary valve is important to assess because this may be compressed during percutaneous valve placement, conduit dilation, or sternal re-entry. FDG-PET/CT Heart There is no relevant literature to support the use of fluorine-18-2-fluoro-2-deoxy-D-glucose (FDG)-PET/CT heart in the evaluation of repaired TOF. MRA Abdomen There is no relevant literature to support the use of MR angiography (MRA) abdomen in the evaluation of repaired TOF. MRA Chest MRA of the chest is routinely performed along with MRI heart for function and morphology for delineation of the extracardiac vasculature, including the branch pulmonary arteries, aorta, and remaining mediastinal vasculature. MRA Neck There is no relevant literature to support the use of MRA neck in the evaluation of repaired TOF. MRI Heart Function with Stress There is no relevant literature to support the use of MR stress perfusion imaging in the setting of repaired TOF.