Comparison of breathhold versus PACE triggering in renal BOLD MRI
Maryam Seif 1 , Chris Boesch 1 , and Peter Vermathen 1
Depts Clinical Research and Radiology,
University of Bern, Bern, Bern, Switzerland
Blood oxygenation level dependent (BOLD) MRI is a
non-invasive approach that can play an important role in
investigating renal dysfunctions. To minimize
respiratory motion, BOLD kidney MRI has been performed
in breath hold, which may not be feasible for patients.
Therefore the aim of this study is evaluating the
feasibility of the PACE triggered renal BOLD MRI in
comparison with breath-hold BOLD MRI. The small
difference of means and the correlations between BH-BOLD
and PACE-BOLD R2* values suggest that PACE-BOLD MRI can
facilitate renal measurements on elderly and diseased
subjects, who may have problems holding their breath.
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