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  • Title: [Correlation between late potentials, left ventricular function and coronary heart disease].
    Author: Rotman B, Eber B, Dusleag J, Brussee H, Weinrauch V, Klein W.
    Journal: Wien Med Wochenschr; 1990 Sep 15; 140(17):448-51. PubMed ID: 2247980.
    Abstract:
    By signal averaging it is possible to registrate late, fragmented low amplitude signals (late potentials, LP's) from the bodysurface 26 patients (21 males, 5 females) with a mean age of 57 years were investigated by signal averaging, Holter-monitoring and cardiac catheterization. 11 patients had a dilative cardiomyopathy (group A), 10 patients a coronary heart disease (group B), 5 of them with an ejection fraction greater than 50%, 5 of them with a reduced ejection fraction, whereas the control-group with 5 patients (group C) showed no coronary stenosis or reduced ventricular function, 6 out of 11 patients with dilative cardiomyopathy showed LP's; all of these with Lown IVb had LP's. In 2 patients with coronary heart disease and good left ventricular function late potentials were found, and in all 5 patients with disturbed left ventricular function. The control-group revealed no late potentials although 4 patients had Lown IVa or more in Holter-ECG. In conclusion, late potentials show a good correlation to malignant ventricular ectopic beats in patients with dilative cardiomyopathy and coronary heart disease, especially when the left ventricular function is reduced.
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