Key result
Renal angiography should be the primary investigation for detecting renovascular changes in hypertensive patients, as intravenous urography fails to reveal these changes.
Why the study?
Does renal angiography improve the detection of renovascular changes compared to intravenous urography in patients with hypertension?
Does renal angiography improve the detection of renovascular changes compared to intravenous urography in patients with hypertension?
Renal angiography is superior to intravenous urography for detecting renovascular changes in hypertensive patients.
May favor angiography over urography for renovascular detection; leaves open prospective validation before practice change.
The value of renal angiography for revealing renovascular changes has been investigated in 126 patients with hypertension, and in 102 of them a comparison was made with i.v. urography. It was concluded that i.v. urography does not reveal renovascular changes and thus the primary investigation should be renal angiography, in some cases followed by urography in the same session.
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Erikson et al. (1975) studied this question. Renal angiography should be the primary investigation for detecting renovascular changes in hypertensive patients, as intravenous urography fails to reveal these changes.
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