• Z Gölbaşi, Y Selçoki, T Eraslan, D Kaya, and S Aydoğdu.
• Department of Cardiology, Ankara Numune Education and Research Hospital, Turkey.
• Jpn Heart J. 1999 Jul 1; 40 (4): 405-11.

AbstractElectrocardiographic repolarization changes, comprising QT prolongation, are most commonly seen after intracerebral hemorrhage. In this study in patients with intracerebral hemorrhage (ICH), QT dispersion and its daily changes were examined and the relation between QT dispersion and in-hospital mortality assessed. In 28 patients with intracerebral hemorrhage, diagnosed by computerized tomographic scanning, an ECG was obtained on the day of admission to hospital and then serial ECGs were recorded on the following four consecutive days. Blood electrolytes (K, Ca, Mg) were also analysed. The patients with intracerebral hemorrhage were followed until discharge or death (mean 14 +/- 4 days). QT, QT peak, and QT-QT peak dispersion were measured on simultaneous twelve lead electrocardiograms. Also, in 29 healthy subjects as a control group, five consecutive day serial electrocardiograms were recorded. There were no statistically significant differences between the study and control groups in terms of gender and age. During the five days, QT, QT peak, and QT-QTpeak dispersion values were significantly higher in patients with intracerebral hemorrhage than in the control subjects (p < 0.001). There were no statistically significant differences in two patient groups with intracerebral hemorrhage who died and who were discharged in terms of mean QT, QTpeak, and QT-QTpeak dispersion values. In conclusion, QT, QT peak, and QT-QTpeak dispersion values were significantly greater in patients with intracerebral hemorrhage than in the control subjects, but QT, QT peak, and QT-QT peak dispersions were not independent risk factors for in-hospital mortality in patients with intracerebral hemorrhage.

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