Circ Heart Fail:去肾交感神经术在动脉高压治疗中的潜在作用

2021-03-17 MedSci原创 MedSci原创

去肾交感神经术(RDN)在未控制的动脉高压的HFpEF患者中的临床和血流动力学意义

动脉高压是射血分数保留的心力衰竭(HFpEF)患者最常见的并发症,通过相关的主动脉僵硬和脉动负荷增加介导的不量血流动力。

该研究目的是探究去肾交感神经术(RDN)在未控制的动脉高压的HFpEF患者中的临床和血流动力学意义。

回顾性分析了2011~2018年期间在同一中心接受RDN的患者,分为HFpEF组(n=99)和无心衰组(n=65)。心脏磁共振成像测量每搏量指数和主动脉扩张性,超声心动图评价左心室(LV)收缩和舒张特性。

RDN术后各参数的变化

基线时,与无心衰患者相比,HFpEF患者的每搏量指数(中位值 40 vs 33 mL/m2,p=0.002)和脉压(69 vs 61 mmHg,p<0.001)均更高,但左室-左室射血分数(18 vs 24 mL,p=0.007)和主动脉扩张性(1.5 vs 2.7×10-3mmHg,p=0.013)均较低。

主动脉扩张性的变化

RDN术后,HFpEF患者和无心衰患者收缩压的降低幅度相当(-9 mmHg,p<0.001)。HFpEF患者RDN术后的每搏量指数(-3 mL/m2,p=0.011)降低,主动脉扩张性(0.20×10-3mmHg,p=0.007)和收缩期僵硬度(p<0.001)增加。左心室舒张期僵硬度、左心室充盈压、NT-proBNP均显著降低。

总结图

总之,与非心衰患者相比,HFpEF患者RDN术后的每搏量指数、血管和左心室僵硬度增加均更明显。RDN术后,HFpEF患者的血流动力学以及收缩和舒张期左室僵硬度均部分恢复正常,提示RDN可能是治疗动脉高血压和HFpEF的一种潜在策略。

原始出处:

Kresoja Karl-Patrik,Rommel Karl-Philipp,Fengler Karl et al. Renal Sympathetic Denervation in Patients With Heart Failure With Preserved Ejection Fraction. Circ Heart Fail, 2021, undefined: CIRCHEARTFAILURE120007421.

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    2021-03-19 zhaojie88
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    2021-03-19 slcumt

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