通过比较心房扑动（简称房扑）成功消融前后右心房峡部时间间期，分析峡部时间间期的延长程度对峡部完全性双向阻滞的预测价值。
The purpose of this study was to determine whether the extent of prolongation of the transisthmus interval after ablation predicts complete bidirectional block.
结论：联合无水乙醇注射和适当延长射频消融时间可以增大射频消融的坏死范围。
Conclusions: Necrosis range of cluster cool tip radiofrequency ablation could be enlarged by being combined with ethanol injection and being prolonged ablation time.
结论：联合无水乙醇注射和适当延长射频消融时间可以增大射频消融的坏死范围。
Conclusions: Necrosis range of cluster cool tip radiofrequency ablation could be enlarged by being combined with ethanol injection and being prolonged ablation time.
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