Circulation:积极控制血压对导管消融后心房颤动复发是否有益?

2017-03-02 MedSci MedSci原创

用于心房颤动的放射性导管消融已经成为AF的重要治疗方法,然而其复发率仍然很高。近期,一项发表在杂志Circulation上的研究旨在确定积极降低血压(BP)是否能够防止房颤(AF)患者进行导管消融后房颤的复发和高症状的负担。研究者们随机分配184例AF和BP大于130/80 mmHg的患者在进行AF导管消融术前进行强化BP治疗(目标<120/80 mm Hg)或标准BP治疗(目标<14

用于心房颤动的放射性导管消融已经成为AF的重要治疗方法,然而其复发率仍然很高。


近期,一项发表在杂志Circulation上的研究旨在确定积极降低血压(BP)是否能够防止房颤(AF)患者进行导管消融后房颤的复发和高症状的负担。

研究者们随机分配184例AF和BP大于130/80 mmHg的患者在进行AF导管消融术前进行强化BP治疗(目标<120/80 mm Hg)或标准BP治疗(目标<140/90 mmHg)。

主要终点是AF /房性心动过速/心房扑动的症状复发持续大于30秒,在导管消融后3个月通过盲法终点评价确定。

此项研究结果显示:中位随访时间为14个月。在6个月时,强化性BP治疗组的平均收缩压为123.2±13.2,相比之下,标准治疗组为135.4±15.7mm Hg(p <0.001)。

主要终点发生在106例患者中,强化性BP治疗组为54例(61.4%),而标准治疗组为52例(61.2%)(危险比0.94,95%置信区间0.65-1.38,p = 0.763)。

在对年龄影响的预先指定的亚组分析中,强化性BP治疗组中,≥61岁的患者具有较低的主要终点事件发生率(危险比0.58,95%置信区间(0.34,0.97),p = 0.013)。在强化BP治疗组中有较高的低血压发生率,需要药物调整(26%对0%)。

此项研究得出结论:进行积极的BP治疗没有减少房颤患者导管消融后房性心律失常的复发,但导致了更多的低血压发生。

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    2017-03-05 1ddf0692m34(暂无匿称)

    辩证看待利弊

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    2017-03-04 sodoo

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