A screening test for renovascular hypertension by means of orally active angiotensin I converting enzyme inhibitor, captopril (SQ 14225). 1980

Y Imai, and K Abe, and Y Otsuka, and Y Sakurai, and K Yoshinaga

Orally active converting enzyme inhibitor (Captopril, SQ 14225) was administered in a dose of 50 mg to 12 normotensive subjects (Group I), 26 essential hypertensive patients (Group II) and 8 renovascular hypertensive patients (Group III). In Group III, 5 of 8 patients had control plasma renin activity (PRA) similar to those in Group I and II patients, but the PRA response to the administration of Captopril was greater in 7 of 8 patients than that in Groups I and II. These 7 patients had either bilateral or unilateral main renal artery stenosis. Captopril caused no increase in PRA in the remaining 1 who had unilateral renal artery stenosis with contralateral renal aplasia. It is concluded that this provocation test is useful as a screening procedure for the diagnosis of renovascular hypertension.

UI MeSH Term Description Entries
D006977 Hypertension, Renal Persistent high BLOOD PRESSURE due to KIDNEY DISEASES, such as those involving the renal parenchyma, the renal vasculature, or tumors that secrete RENIN. Hypertensions, Renal,Renal Hypertension,Renal Hypertensions
D006978 Hypertension, Renovascular Hypertension due to RENAL ARTERY OBSTRUCTION or compression. Hypertension, Goldblatt,Goldblatt Syndrome,Goldblatt Hypertension,Renovascular Hypertension,Syndrome, Goldblatt
D008297 Male Males
D011392 Proline A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons. L-Proline,L Proline
D012083 Renin A highly specific (Leu-Leu) endopeptidase that generates ANGIOTENSIN I from its precursor ANGIOTENSINOGEN, leading to a cascade of reactions which elevate BLOOD PRESSURE and increase sodium retention by the kidney in the RENIN-ANGIOTENSIN SYSTEM. The enzyme was formerly listed as EC 3.4.99.19. Angiotensin-Forming Enzyme,Angiotensinogenase,Big Renin,Cryorenin,Inactive Renin,Pre-Prorenin,Preprorenin,Prorenin,Angiotensin Forming Enzyme,Pre Prorenin,Renin, Big,Renin, Inactive
D002216 Captopril A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin. (S)-1-(3-Mercapto-2-methyl-1-oxopropyl)-L-proline,Capoten,Lopirin,SQ-14,225,SQ-14,534,SQ-14225,SQ-14534,SQ 14,225,SQ 14,534,SQ 14225,SQ 14534,SQ14,225,SQ14,534,SQ14225,SQ14534
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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