Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis

P. Zucchetta, C. Carasi, M. C. Marzola, L. Murer, G. Passerini-Glazel, W. Rigamonti, G. Zacchello, F. Bui, G. Montini

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Purpose: A growing body of evidence identifies the renin-angiotensin system as a key factor in the onset and progression of renal damage in chronic partial obstruction, which often represents a complex diagnostic challenge. A prospective study was undertaken to evaluate the role of captopril mercaptoacetyltriglycine-3 (MAG-3) renography as an early diagnostic test of obstruction. We report the results in a subgroup of children who underwent surgical correction for pyeloureteral obstruction. Materials and Methods: Pyeloplasty was performed in 12 patients, including 10 males, 2 to 72 months old (median age 7) with unilateral hydronephrosis, including normal renal function and blood pressure. Basal and captopril enhanced diuretic renography with 99mtechnetium MAG-3 was performed within 24 hours using the same hydration and diuretic stimulus (0.75 mg./kg. furosemide), and 0.75 mg./kg. captopril was administered orally 60 to 90 minutes before scintigraphy. Results: No adverse effects or modifications of the blood pressure were observed after captopril administration. The diuretic response was deeply worsened by angiotensin converting enzyme inhibition in each hydronephrotic kidney even when the basal study was only slightly abnormal (15-minute washout basal -27 ± 16%, after captopril -9 ± 13, p

Original languageEnglish
Pages (from-to)2296-2299
Number of pages4
JournalJournal of Urology
Volume165
Issue number6 II SUPPL.
Publication statusPublished - 2001

Fingerprint

Radioisotope Renography
Hydronephrosis
Captopril
Peptidyl-Dipeptidase A
Diuretics
Kidney
Blood Pressure
Furosemide
Renin-Angiotensin System
Routine Diagnostic Tests
Radionuclide Imaging
Prospective Studies

Keywords

  • Angiotensins
  • Enzyme inhibitors
  • Hydronephrosis
  • Radioisotope renography

ASJC Scopus subject areas

  • Urology

Cite this

Zucchetta, P., Carasi, C., Marzola, M. C., Murer, L., Passerini-Glazel, G., Rigamonti, W., ... Montini, G. (2001). Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis. Journal of Urology, 165(6 II SUPPL.), 2296-2299.

Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis. / Zucchetta, P.; Carasi, C.; Marzola, M. C.; Murer, L.; Passerini-Glazel, G.; Rigamonti, W.; Zacchello, G.; Bui, F.; Montini, G.

In: Journal of Urology, Vol. 165, No. 6 II SUPPL., 2001, p. 2296-2299.

Research output: Contribution to journalArticle

Zucchetta, P, Carasi, C, Marzola, MC, Murer, L, Passerini-Glazel, G, Rigamonti, W, Zacchello, G, Bui, F & Montini, G 2001, 'Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis', Journal of Urology, vol. 165, no. 6 II SUPPL., pp. 2296-2299.
Zucchetta P, Carasi C, Marzola MC, Murer L, Passerini-Glazel G, Rigamonti W et al. Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis. Journal of Urology. 2001;165(6 II SUPPL.):2296-2299.
Zucchetta, P. ; Carasi, C. ; Marzola, M. C. ; Murer, L. ; Passerini-Glazel, G. ; Rigamonti, W. ; Zacchello, G. ; Bui, F. ; Montini, G. / Angiotensin converting enzyme inhibition worsens the excretory phase of diuretic renography for obstructive hydronephrosis. In: Journal of Urology. 2001 ; Vol. 165, No. 6 II SUPPL. pp. 2296-2299.
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AU - Passerini-Glazel, G.

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