Duplex evaluation of the renal arteries

Marsha M. Neumyer, John Blebea

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Hypertension is estimated to affect approximately 50 million people in the United States with 1-6% of them having underlying renal disease as the cause of their elevated blood pressure.1,2 The true prevalence of renovascular hypertension is unknown and varies with the population studied. In selected patient groups, such as those with severe diastolic hypertension, the prevalence of renal artery stenosis is up to 40% and progression of stenosis occurs in 31-49% of patients depending on the severity of their initial artery stenosis.3-5 Renal artery stenosis is more likely to be found in adults with abrupt onset or exacerbation of chronic hypertension, angiotensin-converting enzyme inhibitor-induced azotemia, otherwise unexplained renal insufficiency, or pulmonary edema, and in hypertensive children.6 Although the long-term prognosis for patients with renovascular hypertension is worse than that of patients who do not have identifiable lesions, successful treatment of such lesions is possible and is associated with cure or improvement of the hypertension in the majority of patients.7

Original languageEnglish
Title of host publicationNoninvasive Vascular Diagnosis
Subtitle of host publicationA Practical Guide to Therapy: Second Edition
PublisherSpringer London
Number of pages16
ISBN (Print)1846284465, 9781846284465
StatePublished - 2007


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