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| Clinical significance of QT dispersion in patients with acute craniocerebral injury complicating cerebrocardiac syndrome |
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Abstract Objective To investigate the clinical value of QT dispersion(QTd) for predicting ventricular arrhythmia in patients with acute craniocerebral injury complicating cerebrocardiac syndrome. MethodsThis study enrolled 100 cases in all. Fifty patients with acute craniocerebral injury complicating cerebrocardiac syndrome were divided into nonventricular arrhythmia group(39 cases, group A) and ventricular arrhythmia group(11 cases, group B) while another 50 healthy people were chosen as control group. QTd and corrective QT dispersion (QTcd) of each group were all measured by 12lead synchronous ECG.ResultsCompared with the control group, the differences of QTd and QTcd in group A were neither statistically significant(P>0.05). Separately compared with group A and control group, QTd and QTcd in group B both significantly increased and the differences were both statistically significant(P <0.05). ConclusionAmong patients with acute craniocerebral injury complicating cerebrocardiac syndrome, QTd and QTcd significantly increase in those accompanied with ventricular arrhythmia and therefore QTd and QTcd can serve as reliable indexes for predicting ventricular arrhythmia in those patients.
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2014, Vol. 23 
