Figure 6. 3D MDE reformat image (with Navigator). High-resolution 3D MDE is sometimes helpful
for patients with arrhythmia.
In our experience, the 3D MDE imaging protocol is most
suitable for patients with lower to moderate heart rate and
with good breath-hold capability. We use 3D MDE to look for
infarction, and if infarction is found, we use a higher resolution
2D MDE to further investigate the lesion.
Cine IR can help improve the robustness of MDE image
quality and help reduce trial and error time for optimal
TI time determination.
In cases of indistinctly enhanced lesions (e.g., Cardiomyopathy
and some AMI), multiple TI Cine IR images are very helpful to
confirm whether an area is enhanced or not.
DIGITAL DIVE For more information:
In our institution, we perform an average of 10 cardiac
exams each week. We have experienced a productivity gain
after the introduction of 3D MDE and Cine IR by going from
43-minute exam slots to 30-minute exam slots in 80% of
our ischemic cases.
Conventional Protocol New 3D Protocol
3D MDE &
One 30 min
Yoshinao Ishii, MD is a cardiologist at Asahikawa City Hospital. He received his degree in medicine from
Asahikawa Medical University. Since 2011, Dr. Ishii has been the Chief of the Cardiovascular Center at
Asahikawa City Hospital. He specializes in ischemic heart disease and coronary intervention.
Shinichi Kawasaki, RT, is the Chief MR Radiologic Technologist at Asahikawa City Hospital. He has been operating
GE MR Systems for 17 years and is an expert in MR imaging, especially in abdomen and cardiovascular.
Mitsuhiro Uike, MR Research Project Manager, GE Healthcare Japan.
Asahikawa City Hospital is a regional medical center in Asahikawa, Hokkaido, that is also focused
on medical education. Mitsuhiro Uike
Shinichi Kawasaki, RT