JCEM:左旋甲状腺素治疗心力衰竭患者的长期预后

2018-12-05 xing.T MedSci原创

由此可见,HF患者的持续和偶尔的L-T4治疗与全因死亡率、心血管死亡和MACE风险增加有关。对于持续治疗的患者可观察到MI风险增加,而偶尔接受治疗的患者风险降低。

甲状腺功能减退症对血管系统具有不利影响,但对于心力衰竭(HF)患者进行左旋甲状腺素(L-T4)替代疗法的益处仍存在争议。近日,内分泌和代谢性疾病领域权威杂志Journal of Clinical Endocrinology & Metabolism上发表了一篇研究文章,研究人员旨在评估L-T4对HF患者的影响。

该研究为回顾性队列研究,纳入了所有年龄≥18岁的且在1997年至2012年间被诊断心衰的丹麦公民。L-T4治疗是从全国登记处确定的。研究人员使用泊松回归模型计算了发病率比率(IRR)。该研究的主要观察指标为全因死亡率、心肌梗死(MI)、血管死亡和主要不良心血管事件(MACE)。

224670名患者被诊断为HF(平均年龄为70.7[SD±14.7]岁,53%为男性)。在基线时,有6560名患者接受了L-T4治疗,9007名患者在随访期间接受了L-T4治疗。209103名患者未接受L-T4治疗。在中位随访4.8年(IQR为9.2)期间,147253例患者死亡。在基线时接受治疗和随访期间接受治疗的患者全因死亡(IRR为1.25 [95%CI为1.21-1.29])(IRR为1.13 [95%CI为1.10-1.16])、心血管死亡(IRR为1.23 [95%CI为1.18-1.27])( IRR为1.11 [95%CI为1.08-1.15])和MACE(IRR为1.26 [95%CI为1.22-1.31])(IRR为1.05 [95%CI为1.02-1.09])风险增加。观察到持续治疗患者的MI风险增加(IRR为1.32 [95%CI为1.23-1.41]),偶尔接受治疗的患者风险降低(IRR为0.87 [95%CI为0.81-0.93])。

由此可见,HF患者的持续和偶尔的L-T4治疗与全因死亡率、心血管死亡和MACE风险增加有关。对于持续治疗的患者可观察到MI风险增加,而偶尔接受治疗的患者风险降低。

原始出处:

Mette Nygaard Einfeldt,et al.Long-term Outcome in Heart Failure Patients Treated with Levothyroxine: An Observational Nationwide Cohort Study.J Clin Endocrinol Metab. 2018. https://doi.org/10.1210/jc.2018-01604

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    2018-12-19 achengzhao
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    2018-12-05 QFXL123456

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