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目的评价心房颤动(房颤)导管消融术后心率变化的时间效应。方法入选导管消融术后随访无房性心动过速或房颤复发的症状性房颤患者52例,平均年龄64.65±10.18岁(38～76岁)。于术前、术后1周、1个月、3个月、6个月、12个月随访24小时动态心电图,观察平均心率的变化。结果52例均完成导管消融术,术前平均心室率为68.92±7.53次/min,术后1周、1个月和3个月的平均心室率分别为75.58±6.48次/min、71.13±6.45次/min和68.90±7.28次/min。43例随访6个月时的心室率为70.47±5.95次/min。22例随访12个月时的心室率为69.95±5.35次/min。除术后1周平均心率与术前相比差异有统计学意义(P<0.05)外,余均无明显变化。结论房颤消融可引起心率增加,以术后1周最为明显。症状明显者可增服控制心率的药物。
Objective To evaluate the time effect of heart rate changes after catheter ablation of atrial fibrillation (AF). Methods Fifty-two patients with symptomatic atrial fibrillation who were followed up for atrial tachycardia or atrial fibrillation after catheter ablation were included. The average age was 64.65 ± 10.18 years (38-76 years). Preoperative, postoperative 1 week, 1 month, 3 months, 6 months, 12 months follow-up 24 hours Holter monitoring average heart rate changes. Results All the 52 cases completed catheter ablation. The average preoperative ventricular rate was 68.92 ± 7.53 times / min. The mean ventricular rates at 1 week, 1 month and 3 months after operation were 75.58 ± 6.48 / min and 71.13 ± 6.45, respectively Times / min and 68.90 ± 7.28 times / min. 43 cases were followed up for 6 months when the ventricular rate was 70.47 ± 5.95 beats / min. Ventricular rates at 22 months of follow-up at 12 months were 69.95 ± 5.35 beats / min. The average heart rate at one week after surgery was significantly lower than that before operation (P <0.05). Conclusion Ablation of atrial fibrillation can cause heart rate increase, the most obvious one week after surgery. Symptoms may increase the heart rate control drugs.