Abstract #4106

Acute Ureteral Obstruction: Monitoring Treatment by Blood Oxygenation Level-Dependent MRI

Peter Vermathen¹, Sonia C. Simon-Zoula², Tobias Binser¹, Thomas M. Kessler³, Maria Triantafyllou², Chris Boesch¹, Urs E. Studer³, Harriet C. Thoeny²

¹Dept. Clinical Research / AMSM, University Bern, Bern, Switzerland; ²Department of Radiology, University & Inselspital, Bern, Switzerland; ³Department of Urology, University & Inselspital, Bern, Switzerland

BOLD-MRI yields the relaxation rate R2*, which is considered to be inversely related to tissue pO₂. This study aimed at determination whether response to treatment in ureteral obstruction can be monitored by BOLD-MRI.