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

Weise, Wolfgang J.
May 2005
ACP Journal Club;May/Jun2005, Vol. 142 Issue 3, p80
Academic Journal
This article presents information related to renal artery stenosis (RAS). RAS is often associated with refractory hypertension and renal failure. A recent meta-analysis of noninvasive tests for RAS identified 18 studies of MRA and 5 of CTA, many of which reported both sensitivity and specificity between 90% and 100%. CTA and MRA are not reproducible and sensitive enough to rule out RAS in hypertensive patients with high pretest probability of RAS. In clinical practice it is not possible to exclude patients with FMD before ordering CTA or MRA.


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