Risk of Cardiac Events Associated With Antidepressant Therapy in Patients With Long QT Syndrome.

Risk of Cardiac Events Associated With Antidepressant Therapy in Patients With Long QT Syndrome.
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DOI:
10.1016/j.amjcard.2017.10.010
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发表时间:
2018-01-15
期刊:
The American journal of cardiology
影响因子:
--
通讯作者:
Auerbach DS
Auerbach DS
中科院分区:
其他
文献类型:
--
作者:
Wang M;Szepietowska B;Polonsky B;McNitt S;Moss AJ;Zareba W;Auerbach DS

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长 QT 综合征 (LQTS) 患者发生心脏事件的风险很高。许多 LQTS 患者接受抗抑郁药物 (AD) 治疗。我们研究了与 AD 治疗相关的 LQTS 基因型复发性心律失常事件 (CAE) 的特定风险。该研究包括来自罗彻斯特 LQTS 登记处的 59 名 LQT1 和 72 名 LQT2 患者,这些患者具有 QTc 延长且有 AD 治疗史。使用多变量 Anderson-Gill 模型,我们估计了与时间依赖性 AD 相关的 LQTS 基因型复发 CAE(室性快速心律失常、心脏骤停或心源性猝死)的特定风险。具体来说,我们检查了与 CredibleMeds 列表 (www.CredibleMeds.org) 上分类为“有条件”或“已知尖端扭转型室速 (TdP) 风险”的所有 AD、SSRI 和 AD 相关的风险。调整基线QTc、性别和时间依赖性β受体阻滞剂的使用后,LQT1患者中与AD相关的CAE复发风险增加(HR=3.00,95%CI:1.55-5.84,p=0.001),但LQT2患者中则没有(HR=1.05,95%CI:0.56-1.99,p=0.872; LQT1 与 LQT2 相互作用,p<0.001)。同样,服用 SSRI 或 AD 且“已知 TdP 风险”的 LQT1 患者比未服用所有 AD 的患者复发 CAE 的风险更高,而 LQT2 患者则没有相关性。在任何一组中,具有“TdP 条件风险”的 AD 与 CAE 复发风险均无关。总之,LQT1 患者中与时间依赖性 AD 相关的复发 CAE 风险较高,但 LQT2 患者中则不然。结果表明 AD 对心律失常事件风险具有 LQTS 基因型特异性影响。
Long QT Syndrome (LQTS) patients are at a high risk for cardiac events. Many LQTS patients are treated with antidepressant drugs (ADs). We investigated the LQTS genotype specific risk of recurrent cardiac arrhythmic events (CAEs) associated with ADs therapy. The study included 59 LQT1 and 72 LQT2 patients from the Rochester-based LQTS Registry with QTc prolongation and a history of AD therapy. Using multivariate Anderson-Gill models we estimated the LQTS genotype specific risk of recurrent CAEs (ventricular tachyarrhythmias, aborted cardiac arrest, or sudden cardiac death) associated with time-dependent ADs. Specifically, we examined the risk associated with all ADs, SSRIs, and ADs classified on the CredibleMeds list (www.CredibleMeds.org) as “Conditional” or “Known risk of Torsades de pointe (TdP)”. After adjusting for baseline QTc, sex, and time-dependent beta blocker usage, there was an increased risk of recurrent CAEs associated with ADs in LQT1 patients (HR=3.00, 95%CI: 1.55–5.84, p=0.001), but not in LQT2 patients (HR=1.05, 95%CI: 0.56–1.99, p=0.872; LQT1 vs. LQT2 interaction, p<0.001). Similarly, LQT1 patients who were on SSRIs or ADs with “Known risk of TdP” had a higher risk of recurrent CAEs than those off all ADs, whereas there was no association in LQT2 patients. ADs with “Conditional risk of TdP” were not associated with the risk of recurrent CAEs in any of the groups. In conclusion, the risk of recurrent CAEs associated with time-dependent ADs is higher in LQT1 patients, but not in LQT2 patients. Results suggest a LQTS genotype-specific effect of ADs on the risk of arrhythmic events.
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