Computed tomographic angiography and magnetic resonance angiography were specific, but could not rule out renal artery stenosis

May 2005
ACP Journal Club;May/Jun2005, Vol. 142 Issue 3, p80
Academic Journal
This article presents information related to the accuracy of computed tomographic angiography and magnetic resonance angiography for diagnosing renal artery stenosis (RAS). CTA, MRA and DSA were done within a 3-month period for patients in a study and no intervention was done before testing was complete. The degree of stenosis was determined by the diameter of the most severely affected part of a renal artery measured and related to the reference diameter. In patients with hypertension and suspected RAS, computed tomographic angiography and magnetic resonance angiography were specific but not sensitive enough to rule out renal artery stenosis.


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