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- W2079382208 abstract "Many physicians assume that a reliable diagnosis of idiopathic dilated cardiomyopathy can be made by noninvasive methods, mainly echocardiography. On the other hand, use of endomyocardial biopsy in those patients who have undergone left heart catheterization and who demonstrate left ventricular dysfunction of unknown origin is increasing. Therefore the purpose of this study was to investigate the yield of that diagnostic strategy in patients with the tentative diagnosis of idiopathic dilated cardiomyopathy. Between 1980 and 1988, 3.2% of our 15,442 patients were diagnosed as having idiopathic dilated cardiomyopathy on the basis of left heart catheterizations and coronary angiograms. Idiopathic dilated cardiomyopathy was diagnosed in 444 patients on the basis of clinical data and results of noninvasive tests before catheterization, but in only 295 of these cases was the diagnosis confirmed by means of coronary angiography and left heart catheterization (predictive value of noninvasive tests is 66%). The remaining 34% of patients demonstrated extensive coronary artery disease (13%), significant valvular heart disease (11%), and other or no heart disease (10%). The diagnostic sensitivity of noninvasive tools (patient history, ECG, stress test, echocardiography) was only 59%. Left heart catheterization can easily be combined with endomyocardial biopsy. With the use of histologic techniques, specific heart muscle diseases were detectable in 3.5% of 209 patients, but in only 1% could therapeutic consequences be determined. Thus coronary angiography and left heart catheterization are mandatory for the correct diagnosis of idiopathic dilated cardiomyopathy.(ABSTRACT TRUNCATED AT 250 WORDS)" @default.
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- W2079382208 date "1992-11-01" @default.
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- W2079382208 title "Significance of coronary angiography, left heart catheterization, and endomyocardial biopsy for the diagnosis of idiopathic dilated cardiomyopathy" @default.
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- W2079382208 doi "https://doi.org/10.1016/0002-8703(92)90408-n" @default.
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