The Value of Captopril Renal Scintigraphy in Assessing the Results of Percutaneous Transluminal Renal Angioplasty and in Following up Renovascular Hypertension—A Case Report

Percutaneous transluminal renal angioplasty (PTRA) was performed in a patient with bilateral renal artery stenoses diagnosed noninvasively by captopril renal scintigraphy and confirmed by renal arteriography. The captopril renal scintigraphy parameters returned to normal in correlation with improved...

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Bibliographic Details
Published in:Angiology 1994-01, Vol.45 (1), p.71-75
Main Authors: Eren, Nevnihal, Ünal, Seher, Nisanci, Yilmaz, Adalet, Kamil, Deligönül, Ubeydullah, Meric, Mehmet
Format: Article
Language:English
Subjects:
Angioplasty, Balloon
Arterial hypertension. Arterial hypotension
Biological and medical sciences
Blood and lymphatic vessels
Captopril - pharmacology
Cardiology. Vascular system
Clinical manifestations. Epidemiology. Investigative techniques. Etiology
Female
Humans
Hypertension, Renovascular - diagnostic imaging
Hypertension, Renovascular - therapy
Kidney - diagnostic imaging
Medical sciences
Middle Aged
Radionuclide Imaging
Renal Circulation - drug effects
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Summary:Percutaneous transluminal renal angioplasty (PTRA) was performed in a patient with bilateral renal artery stenoses diagnosed noninvasively by captopril renal scintigraphy and confirmed by renal arteriography. The captopril renal scintigraphy parameters returned to normal in correlation with improved blood pressure response fifteen days after PTRA. Five months later hypertension re appeared and the repeated captopril renal scintigraphy suggested left renal ar tery stenosis. PTRA was repeated and a stent was implanted with reversal of blood pressure, and captopril renal scintigraphy findings returned to normal levels. Six months after second PTRA, the blood pressure increased to hyper tensive levels, and captopril renal scintigraphy indicated left renal artery steno sis. The renal arteriography, however, revealed a new stenosis at the left renal artery ostium. The PTRA with a second stent implantation was performed suc cessfully. The captopril renal scintigraphic parameters and the blood pressure were again normalized after the last intervention and remained normal for thir teen months of follow-up.
ISSN:0003-3197
1940-1574
DOI:10.1177/000331979404500111