目的：对比右室心尖部起搏与右室间隔部起搏对心功能的影响。
Objective:To compare the cardiac function impact by right ventricular septum pacing and right ventricular apex pacing.
目的评估右室间隔部起搏和右室心尖部起搏对起搏参数和双心室电同步性的影响。
AIM To evaluate the influence of pacing in right ventricular septum (RVS) and right ventricular apex (RVA) on pacing parameter and biventricular electrical synchrony.
结论：初步研究结果提示：(1)利用螺旋电极进行右室间隔部起搏基本可行且较为安全。
Conclusion: The primary study results suggest: 1. It's feasible and safe to use screw-in leads for RVS pacing.
右室间隔部起搏的血流动力学参数优于右室心尖部，从而可以避免或减轻传统右室心尖部起搏造成的心脏收缩、舒张功能恶化。
The hemodynamic parameters of RVS pacing were significantly better than that of RVA pacing, so can avoid or relieve deterioration of cardiac function by traditional RVA pacing.
右室间隔部起搏的血流动力学参数优于右室心尖部，从而可以避免或减轻传统右室心尖部起搏造成的心脏收缩、舒张功能恶化。
The hemodynamic parameters of RVS pacing were significantly better than that of RVA pacing, so can avoid or relieve deterioration of cardiac function by traditional RVA pacing.
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