The influence of static and RF field heterogeneity on T1rho cardiovascular MRI
نویسندگان
چکیده
Background Spin lock or T1rho MRI methods may be very useful for assessing myocardial disease. Recently, we reported that there is significant low field relaxation dispersion in myocardial and fibrotic scar tissue during in vivo T1rho MRI, contributing to contrast enhancement compared to spin echo (T2) MRI. However, we also observed that differences in magnetic field susceptibility between the heart and lung organs and poor RF penetration and field homogeneity in large patients and at 3 T contribute to T1rho quantification errors. Our goal was to determine the influence of static (B0) and RF (B1) heterogeneity on in vivo myocardial T1rho quantification.
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