Heart:长QT综合征孕妇心律失常风险及β-受体阻滞剂治疗分析!

2017-03-16 xing.T MedSci原创

LQTS高危患者的早期诊断和β受体阻滞剂治疗是妊娠期间和产后心脏事件预防的重要手段,在LQT-P患者中,胎儿可能可以耐受β-受体阻滞剂治疗。

长QT综合征(LQTS)的妇女最大的担忧之一就是妊娠。近日,在心脏病领域权威杂志Heart上发表了一篇研究文章,研究人员旨在探究妊娠相关的心律失常风险以及LQTS妊娠妇女(LQT-P)和她们的孩子采用β受体阻滞剂治疗致死性室性心律失常的疗效和安全性。

该研究招募的136例妊娠女性中有76例LQT-P(29±5岁;22例LQT1患者、36例LQT2患者和1例LQT3患者,17例患者基因型未知)。我们回顾性地分析了接受β-受体阻滞剂治疗(BB组:n=42)或没有接受β-受体阻滞剂治疗(非BB组:n=94)参与者的临床和电生理特性以及妊娠结局。

所有BB组的患者以往被诊断患有LQTS,而65%的非BB组患者在妊娠时没有被诊断。妊娠增加了非BB组患者的心率;然而,两组间QT间期和Tpeak-Tend间期的差异均未观察到统计学意义。在BB组,在产后只发生了两次事件,而在非BB组,有12次事件发生,分别在妊娠期间(n=6)或产后期(n=6)。两组自然流产频率差异无统计学意义。胎儿生长率和先天畸形的婴儿比例在两组之间较为相似,但早产和低出生体重儿在那些服用BB的患者中更为常见(分别有比值比为4.79,95%可信区间为1.51-15.21;比值比为3.25,95%可信区间为1.17-9.09)。

由此可见,LQTS高危患者的早期诊断和β受体阻滞剂治疗是妊娠期间和产后心脏事件预防的重要手段,在LQT-P患者中,胎儿可能可以耐受β-受体阻滞剂治疗。

原始出处:

Kohei Ishibashi,et al. Arrhythmia risk and β-blocker therapy in pregnant women with long QT syndrome. Heart. 2017. http://dx.doi.org/10.1136/heartjnl-2016-310617

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    2017-09-13 zhyy88
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    2017-03-18 ylzr123

    好文,值得点赞,更值得收藏!慢慢领会学习的。

    0

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    2017-03-18 docwu2019
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    2017-03-18 slcumt

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