Abstract:Renal artery stenosis (RAS) is the most prevalent cause of secondary hypertension (HTN). Percutaneous trans-luminal renal angioplasty (PTRA) is used for both diagnosis and treatment of RAS. As many as one third of RAS cases fail to demonstrate post-PTRA HTN improvement. In this study, brain natriuretic peptide (BNP) was measured for consecutive patients with refractory HTN referred for renal artery angiography and 2 groups of participants (essential HTN and RAS) were compared. BNP was found significantly highe… Show more
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