Japanese Heart Journal
Clinical Studies
Endothelin-1 Concentrations in Pericardial Fluid Are More Elevated in Patients with Ischemic Heart Disease Than in Patients With Nonischemic Heart Disease
Atsushi NamikiTetsuya KubotaMasayuki FukazawaMichiro IshikawaMasao MoroiJo AikawaKunio EbineTetsu Yamaguchi
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Volume 44 (2003) Issue 5 Pages 633-644

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Abstract

There is epidemiologic evidence that the prognosis of patients with nonischemic heart failure is better than that for patients with ischemic heart failure. In addition, studies have revealed that patients with ischemic heart failure show a poorer response to medical therapy. However, the pathophysiologic difference between ischemic and nonischemic heart disease is unclear. To clarify this point, we measured atrial natriuretic peptide, brain natriuretic peptide, angiotensin II, endothelin (ET)-1, interleukin-1β, interleukin-6, tumor necrosis factor (TNF)-α, soluble TNF receptor I, and soluble TNF receptor II concentrations in plasma and pericardial fluid in patients with ischemic or nonischemic heart disease undergoing cardiac surgery. The pericardial ET-1 concentration in patients with ischemic heart disease was statistically greater than that in patients with nonischemic heart disease (about 1.5-fold), although no difference was found in the plasma ET-1 concentration. These findings suggest that the production and secretion of ET-1 from the myocardium in patients with ischemic heart disease are augmented to a greater extent than in patients with nonischemic heart disease. This result may lead to a greater understanding of the pathophysiology of ischemic heart disease.

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© 2003 by the Japanese Heart Journal
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