Effect of spironolactone on impaired fibrinolysis of hypertensive patients.

Abstract:

BACKGROUND/AIMS:Angiotensin-converting enzyme inhibitors and angiotensin II receptor antagonists have beneficial effects on impaired fibrinolytic activity of hypertensive patients. The aim of the study was to evaluate the effect of antialdosterone treatment on impaired fibrinolysis of hypertensive patients. METHODS:Fourteen hypertensive outpatients and 14 normotensive healthy volunteers participated in this study. Blood samples for plasminogen activator inhibitor-1 (PAI-1) antigen and tissue plasminogen activator (t-PA) antigen were obtained at baseline in all patients and control subjects. Then all hypertensive patients used spironolactone 50 mg/day for a week. Blood samples were again obtained after a week of spironolactone treatment. RESULTS:The mean basal plasma level of PAI-1 of hypertensive patients was higher than those of the normotensive control group (60.98 +/- 4.2 vs. 24.09 +/- 1.61 ng/ml, p < 0.01) The mean basal t-PA level was similar in the hypertensive and control subjects (7.49 +/- 0.65 vs. 8.78 +/- 0.92 ng/ml, p > 0.05). The mean PAI-1 level decreased after a week of spironolactone treatment (60.98 +/- 4.2 vs. 42.99 +/- 7.98 ng/ml, p < 0.05). The mean plasma t-PA level of hypertensive patients increased after spironolactone treatment (7.49 +/- 0.65 vs. 11.09 +/- 1.33 ng/ml, p < 0.05). CONCLUSION:This study shows that spironolactone improves impaired fibrinolysis in systemic hypertension. It provides evidence for a direct link between aldosterone and the fibrinolytic system in humans.

journal_name

Kidney Blood Press Res

authors

Yalcin AI,Dincer M,Aslan V,Gulbas Z

doi

10.1159/000066348

keywords:

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

260-4

issue

4

eissn

1420-4096

issn

1423-0143

pii

66348

journal_volume

25

pub_type

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