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Kwon, Kim, and Choi: Hemodynamics and Left Ventricular Cineangiographic Findings in Idiopathic Dilated Cardiomyopathy
Original Article
Korean Circulation Journal

Korean Circulation Journal 1990; 20(2): 198-203.

Published online: 30 June 1990

DOI: https://doi.org/10.4070/kcj.1990.20.2.198

Hemodynamics and Left Ventricular Cineangiographic Findings in Idiopathic Dilated Cardiomyopathy

Young Joo Kwon, M.D., Sung Gu Kim, M.D., Doo Hong Choi, M.D.

Copyright © 1990 The Korean Society of Circulation

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The authors analyzed data from 15 patients with idiopathic dilated cardiomyopathy to evaluate the hemodynamic changes and left ventricular cineangiogram as compared with normal control.
Mean right atrial pressure, right ventricular systolic pressure, mean pulmonary artery pressure and mean pulmonary wedge pressure were signigicantly elevated in patients with dilated cardiomyopathy.
Left ventricular enddiastolic volume was increased in idiopathic dilated cardiomyopathy(139.9±58.73 ml/m2).
Cardiac index, left ventricular ejection fraction and circumferential fiber shortening were significantly reduced in patients with dilated cardiomyopathy as compared with normal control(p<0.001).
Hypokinetic, diffuse wall motion abnormalities of left ventricle were common in idiopathic dilated cardiomyopathy. A few cases of akinetic or dyskinetic segmental wall motion abnormalities were present.
Left ventricular configurations in patients with idiopathic dilated cardiomyopathy were globe shape(53.4%) as compared with pear core shape(90%) of normal control.
Associated mitral regurgitations in patients with idiopathic dilated cardiomyopathy confirmed by left ventricular cineangiogram were 53.3 percent. Mild to moderate mitral regurgitations were often present(46.6%).

Keywords: Dilated cardiomyopathy, Left ventricular cineangiography, Hemodynamics

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