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例1男性,78岁,诊断为阵发性心房颤动;例2女性,43岁,诊断为频发室性早搏,应用光感应压力导管(TactiCath)进行射频消融治疗,例1在压力时间指数(FTI)引导下,每个消融点FTI保持在400gs以上,基本实现一圈一次性隔离肺静脉;例2在消融过程中,靶点压力保持在17g左右,FTI 482gs,共消融200s。2例均成功消融。
Example 1 Male, 78 years old, diagnosed with paroxysmal atrial fibrillation; Example 2 Female, 43 years old, diagnosed as frequent premature ventricular contractions, radiofrequency catheter ablation with a TactiCath was performed. Example 1 In a pressure time index FTI), the FTI of each ablation point was maintained at 400gs or more, and the pulmonary vein was isolated once in a circle. In the ablation procedure, the target pressure was maintained at about 17g, and the FTI was 482gs. 2 cases were successful ablation.