The purpose of this study was to observe the alteration
of renal oxygenation and renal hemodynamics in CKD patients using blood
oxygenation level-dependent (BOLD) magnetic resonance imaging (MRI) and
intrarenal Doppler ultrasonography (IDU). The result showed that renal
oxygenation and blood flow velocities declined as the CKD stage progressed. The
BOLD-MRI and IDU techniques were able to dynamically evaluate intrarenal oxygenation
and hemodynamics changes, respectively, in CKD patients. Combination these two
techniques can detect the abnormalities associated with CKD stage sensitively.