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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.