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目的比较不同标测方法的射频消融治疗右室流出道室性早搏的疗效和安全性。方法66例右室流出道室性早搏随机分组(起搏标测组和起搏+最早激动点联合标测组)进行射频消融治疗。结果起搏标测组和联合标测组各33例,两组分别成功消融32例,总成功率为96.8%,无严重并发症出现。但起搏标测组和联合标测组的手术及X线曝光时间不一致,分别为(72.87±23.34)vs.(58.56±20.56)min(P<0.05)和(7.59±2.67)vs.(6.13±1.71)min(P<0.05)。结论射频消融治疗右室流出道室性早搏疗效确切,安全性良好,起搏和最早激动点联合标测可缩短手术及X线曝光时间。
Objective To compare the efficacy and safety of radiofrequency ablation with different mapping methods in the treatment of premature ventricular premature right ventricular outflow tract. Methods 66 patients with right ventricular outflow tract premature ventricular premature beats randomized (pacing and pacing the earliest point of activation combined with the mapping group) for radiofrequency ablation. Results There were 33 cases in each of the pacing group and the combined group. 32 cases were successfully ablated in both groups, the total success rate was 96.8%. No serious complications occurred. However, the operation and X-ray exposure time of the pacing group and the combination group were not consistent, they were (72.87 ± 23.34) vs. (58.56 ± 20.56) min (P <0.05) and (7.59 ± 2.67) vs. ± 1.71) min (P <0.05). Conclusion Radiofrequency catheter ablation of right ventricular outflow tract premature ventricular contractions curative effect is safe and safe. The combination of pacing and earliest activation points can shorten the operation and X-ray exposure time.