Olbricht CJ, Paul K, Prokop M, Chavan A, Schaefer-Prokop CM,
Jandeleit K, Koch KM, Galanski M
Minimally invasive diagnosis of renal artery stenosis by
spiral computed tomography angiography
(Oct) 48:1332-1337 1995
Renal arteriography is the gold standard for diagnosing renal artery
(RAS) but is invasive. Spiral CT angiography (CTA) using 100-150 ml of
non-ionic contrast was compared to arteriography in 62 consecutive pts with
suspected RAS. Sensitivity and specificity of CTA for RAS were 98% and 94%,
respectively. Overall accuracy of CTA was similar to standard
Although non-invasive, the relatively high dose of contrast required may
limit the utility of CTA in pts with azotemia.
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