The Janus face of BNP therapy in chronic heart failure: beneficial effects unmasked by β blockers?

The Janus face of BNP therapy in chronic heart failure: beneficial effects unmasked by β blockers?
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BNP 治疗慢性心力衰竭的 Janus 面孔:β 受体阻滞剂揭示的有益作用?

DOI:
10.1136/heartjnl-2014-305503
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发表时间:
2014
期刊:
影响因子:
5.7
通讯作者:
El-Armouche A
El-Armouche A
中科院分区:
医学1区
文献类型:
--
作者:
Dewenter M;Vettel C;El-Armouche A

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心力衰竭是全世界发病和死亡的最常见原因之一,几乎一半的患者死于心源性猝死,最有可能是由于室性快速心律失常。目前心力衰竭和心律失常的治疗策略很复杂,而且效果有限。过去几十年来,成功的治疗主要基于神经激素阻断,包括β受体阻滞剂、ACE抑制剂、血管紧张素II受体AT1受体阻滞剂和醛固酮拮抗剂。然而,α1-肾上腺素受体拮抗剂、内皮素受体拮抗剂和α2-肾上腺素受体激动剂缺乏益处,表明“直接”神经体液阻断的原理是有限的,新的策略仍有待确定。 1 一种特殊的新方法可能侧重于破译心力衰竭进展过程中经典神经激素途径和多种生物活性肽之间的复杂相互作用。事实上,心房钠尿肽和脑钠尿肽(BNP)的概况可能提供一个新的、有趣的目标。特别是 BNP,主要在容量和压力超负荷时由心室分泌,是心力衰竭风险分层的成熟且关键的生物标志物,具有多种血流动力学作用,如增强尿钠排泄、血管舒张、抑制肾素-血管紧张素系统 (RAS) 和改善心脏纤维化(见图 1)。 2 BNP 在对抗 RAS 过度驱动方面的明显有益作用以及因此潜在的心脏重塑似乎非常适合开发有效、合理的治疗方法。
Heart failure is among the most common causes of morbidity and mortality worldwide and almost half of the patients die from sudden cardiac death, most likely due to ventricular tachyarrhythmias. The current therapeutic strategies for heart failure and arrhythmias are complex and only moderately efficient. In the last decades successful therapies were mainly based on the neurohormonal blockade, including β blockers, ACE inhibitors, angiotensin II receptor AT1 blockers and aldosterone antagonists. However, the lack of benefit of α1-adrenoceptor antagonists, endothelin receptor antagonists and α2-adrenoceptor agonists indicate that the principle of ‘straightforward’neurohumoural blockade is limited and new strategies are yet to be identified. 1 One particular new approach may focus on deciphering the complex interplay between the classical neurohormonal pathways and diverse biologically active peptides during heart failure progression. Indeed, the profile of atrial natriuretic peptide and brain natriuretic peptide (BNP) might offer a new and intriguing target. In particular BNP, which is primarily secreted from the cardiac ventricle upon volume and pressure overload, is a well-established and critical biomarker for risk stratification in heart failure and has various haemodynamic effects such as enhanced natriuresis, vasorelaxation, inhibition of renin-angiotensin system (RAS) and ameliorating cardiac fibrosis (see figure 1). 2 The apparent beneficial effects of BNP in opposing RAS overdrive and therefore potentially cardiac remodelling seem to be ideally suited for the development of an effective, rational therapeutic approach.
门诊奈西立肽治疗晚期心力衰竭患者的安全性和有效性临床视角
DOI: --
发表时间: 2008
期刊:
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