Document Detail

Hormonal, blood pressure, and peritoneal transport response to short-term ACE inhibition.
MedLine Citation:
PMID:  7827189     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To evaluate the hormonal, blood pressure, and peritoneal transport effects of intraperitoneal enalaprilat and oral enalapril. DESIGN: A nonrandomized, nonblinded, prospective clinical trial was performed. SETTING: The study was conducted at the Clinical Research Unit at the Medical College of Virginia, a tertiary care center. PATIENTS: Six continuous ambulatory peritoneal dialysis (CAPD) patients with hypertension were enrolled in the study. All 6 patients received intraperitoneal enalaprilat. Five of the patients also received oral enalapril. INTERVENTIONS: Hormonal, clinical, and transport parameters were investigated in patients given intraperitoneal enalaprilat and oral enalapril. Standardized 2-L exchanges were performed during a control period, following 2.5 mg intraperitoneal enalaprilat and after a week of oral enalapril. Inulin, blood urea nitrogen (BUN) and creatinine clearances, and glucose absorption were determined during these exchanges. RESULTS: After intraperitoneal enalaprilat, both systolic and diastolic blood pressure significantly declined, reaching maximal decreases of -21.7 +/- 14.2% at 95 +/- 92 minutes, and of -23.3 +/- 15.4% at 105 +/- 105 minutes, respectively. Plasma angiotensin converting enzyme (ACE) activity was suppressed below detectable limits at four hours following intraperitoneal enalaprilat, and remained suppressed throughout all sampling time points following oral enalapril treatment. There was no significant change in drain volumes, glucose absorption, or BUN, creatinine, or inulin clearances, whether enalaprilat was administered intraperitoneally or enalapril orally. CONCLUSION: This study demonstrates that intraperitoneal administration of enalaprilat is a rapidly effective route of administration of this ACE inhibitor. There were no changes in peritoneal transport characteristics demonstrated.
E B Ripley; T W Gehr; C W Kish; D A Sica
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis     Volume:  14     ISSN:  0896-8608     ISO Abbreviation:  Perit Dial Int     Publication Date:  1994  
Date Detail:
Created Date:  1995-02-23     Completed Date:  1995-02-23     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8904033     Medline TA:  Perit Dial Int     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  378-83     Citation Subset:  IM    
Department of Nephrology, Medical College of Virginia, Virginia Commonwealth University, Richmond.
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MeSH Terms
Administration, Oral
Aldosterone / blood*
Biological Transport
Blood Pressure / drug effects*
Enalapril / administration & dosage*
Enalaprilat / administration & dosage*
Hypertension / blood,  drug therapy*,  physiopathology
Peptidyl-Dipeptidase A / blood
Peritoneal Dialysis, Continuous Ambulatory*
Peritoneum / metabolism*
Prospective Studies
Renin / blood*
Grant Support
Reg. No./Substance:
52-39-1/Aldosterone; 75847-73-3/Enalapril; 84680-54-6/Enalaprilat; EC A; EC

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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