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Comprehensive assessment of renal function and vessel morphology in potential living kidney donors: an MRI-based approach.
Invest Radiol
November 2009
Section of Experimental Radiology, Department of Diagnostic and Interventional Radiology, Eberhard Karls University of Tübingen, Germany.
Objectives: To test the feasibility of a single MR-based examination allowing for the comprehensive assessment of renal anatomy, function, and vascular status in candidates for kidney transplantation.
Materials And Methods: Twelve healthy potential kidney donors (mean age: 47 +/- 14 [standard deviation] years, 3 men and 9 women) participated in the study, which was approved by the local ethics committee. MR-nephrography was performed using a navigator-gated T1-weighted saturation-recovery sequence (TrueFISP: TR/TE = 621.
Dynamic magnetic resonance nephrography: is saturation recovery TrueFISP advantageous over saturation recovery TurboFLASH?
Invest Radiol
April 2007
Department of Diagnostic Radiology, Section of Experimental Radiology, Eberhard-Karls University, Tübingen, Germany.
Purpose: In this volunteer study, 2 navigator-gated strongly T1-weighted saturation-recovery (SR) sequences, a turbo fast low angle shot (TurboFLASH) and a new true fast imaging in steady precession (TrueFISP) readout technique, were compared for suitability in dynamic magnetic resonance nephrography.
Materials And Methods: Ten healthy volunteers (mean age 26.1 +/- 3.
Contrast-enhanced dynamic MR nephrography using the TurboFLASH navigator-gating technique in children.
Eur Radiol
July 2006
Department of Diagnostic Radiology, Section of Experimental Radiology, Eberhard-Karls University, Hoppe Seyler Strasse 3, 72076, Tübingen, Germany.
The purpose of this work was to test the feasibility of an MR examination protocol for the comprehensive assessment of renal morphology, excretion and split renal function using a navigator-gated TurboFLASH sequence. A navigator-gated T1-weighted single-slice TurboFLASH sequence suitable for dynamic MR urography and nephrography was implemented. A protocol was developed allowing for assessment of urinary excretion and split renal function by recording the renal clearance of a gadolinium (Gd) diethylene-triamine-pentacetic-acid (DTPA) bolus.
View Article and Find Full Text PDFRadionuclide procedures are clinically used for assessing obstruction in dilated urinary tracts. The precise correlation of the isotope retention function with the level of the renal pelvic pressure is not known as yet. It was measured experimentally using 20 minipigs.
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