Clinical role of non-contrast magnetic resonance angiography for evaluation of renal artery stenosis

Circulation Journal : Official Journal of the Japanese Circulation Society
Daisuke UtsunomiyaYasuyuki Yamashita

Abstract

The association between a gadolinium-based contrast material and nephrogenic systemic fibrosis has been discussed. The purpose of our study was to evaluate whether non-contrast enhanced magnetic resonance angiography (MRA) might provide sufficient information of renal artery stenosis. The non-contrast MRA of 26 patients with hypertension was retrospectively reviewed in the present study. The significant renal artery stenosis was visually evaluated by comparing non-contrast MRA with computed tomography or conventional angiographic finding. Difference of the intensities between the proximal and distal aorta was quantitatively evaluated. The sensitivity, specificity, positive predictive value and negative predictive value of non-contrast MRA in the evaluation of the renal artery stenosis was 78%, 91%, 64% and 96%, respectively. The distal abdominal aorta showed less signal intensity than the proximal aorta by 16.9+/-12.2%. Non-contrast MRA is a non-invasive and effective method that allows evaluation of the renal artery stenosis.

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Citations

Apr 8, 2014·European Journal of Radiology·Vivek B KalraDaniel Cornfeld
Jul 8, 2014·European Journal of Radiology·Iliyana P AtanasovaVivian S Lee
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Feb 19, 2011·European Journal of Radiology·Mitsue Miyazaki, Hiroyoshi Isoda
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Aug 19, 2016·European Journal of Radiology Open·Carmen SebastiàCarlos Nicolau
Jul 27, 2010·American Journal of Cardiovascular Drugs : Drugs, Devices, and Other Interventions·John M MoriartyCarissa G Fonseca
Jan 1, 2012·Annals of Vascular Diseases·Takehiro ShimadaYoshito Tsushima
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Dec 14, 2011·Expert Review of Cardiovascular Therapy·Anne Dorte Blankholm, Steffen Ringgaard

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