JCE :导管消融可用于长期透析伴阵发性房颤患者

2012-09-29 网络 网络

  房颤在长期透析患者中十分常见,有报道显示13%-27%的长期透析患者合并房颤,而且合并房颤者的死亡率显着高于不合并房颤者。在临床实践中,一旦在透析过程中发作快心室率房颤,往往需要调整血透模式,甚至因为血流动力学异常和严重的心悸症状而停止血透。另外由于多数抗心律失常药物需要经过肾脏排泄,抗心律失常药物对慢性透析合并房颤患者的安全性和有效性都明显降低,因此这些患者需要一种新的治疗方法。   导管

  房颤在长期透析患者中十分常见,有报道显示13%-27%的长期透析患者合并房颤,而且合并房颤者的死亡率显着高于不合并房颤者。在临床实践中,一旦在透析过程中发作快心室率房颤,往往需要调整血透模式,甚至因为血流动力学异常和严重的心悸症状而停止血透。另外由于多数抗心律失常药物需要经过肾脏排泄,抗心律失常药物对慢性透析合并房颤患者的安全性和有效性都明显降低,因此这些患者需要一种新的治疗方法。

  导管消融治疗房颤是上世纪末研发的新技术,由于其治疗房颤的安全性及有效性高,近年来得到了飞速的发展。由于抗心律失常药物的效果不佳,许多长期透析伴阵发性房颤患者需要进行导管消融治疗,然而目前还没有关于长期透析的阵发性房颤患者导管消融成功率的报道。

  Sairaku A等最近进行了一项单中心对照研究,旨在探讨长期透析伴阵发性房颤患者导管消融的有效性和安全性。研究入选了30例长期透析合并药物治疗效果不佳的阵发性房颤患者,同时选取60例年龄、性别匹配的非透析的阵发性房颤患者作为对照组。所有患者均进行了经导管肺静脉隔离术,比较两组的长期无复发率及手术相关并发症。

  该研究的平均随访时间为821±218天,16例患者一次消融后在随访期间无房颤复发,比例为54%,对照组的比例为78%,两组相比有统计学意义(p=0.013)。12例患者因房颤复发进行了二次消融,随访747±221天,8例患者无房颤复发。最后结果显示,经过二次消融后,长期透析组20例患者恢复窦律,比例为67%,而对照组的比例为88%,两组相比有统计学差异(p=0.012)。长期透析组中有2例因为静脉穿刺点出血而延长了住院时间,对照组有1例。两组均没有威胁生命的并发症发生。

  本研究得出如下结论:尽管长期透析伴阵发性房颤患者导管消融成功率低于非透析患者,但导管消融仍可作为该类患者的一种治疗选择。

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    2012-10-07 achengzhao
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