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Cardiac resynchronization therapy and reverse molecular remodeling: importance of mitochondrial redox signaling.

机译:心脏再同步治疗和反向分子重构:线粒体氧化还原信号的重要性。

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摘要

Congestive heart failure is a devastating clinical syndrome characterized by progressive decline in cardiac performance with chamber dilation and multiple abnormalities of molecular signaling that adversely affect cell function and survival.Nearly 6 million Americans experience congestive heart failure, and more than 250,000 individuals die annually. Despite major advances in medical management, a large number of patients with advanced heart failure (HF) are refractory to optimal medical therapy, and HF remains one of the leading causes of death worldwide. Importantly, left ventricular dyssynchrony resulting from an intraventricular conduction delay is present in =approx30% of HF patients and is considered an independent predictor of adverse cardiovascular outcomes in patients with HF. Dyssynchrony exacerbates HF, causing cardiac inefficiency, as well as pathological alterations at the organ, cellular, biochemical, and molecular levels.
机译:充血性心力衰竭是一种毁灭性的临床综合征,其特征是心脏性能随着室扩张而逐渐下降,并且对细胞功能和生存产生不利影响的多种分子信号异常。近600万美国人经历充血性心力衰竭,每年有25万多人死亡。尽管在医学管理方面取得了重大进步,但是许多晚期心力衰竭(HF)患者无法接受最佳的药物治疗,并且HF仍然是全球范围内主要的死亡原因之一。重要的是,大约30%的HF患者存在由心室内传导延迟引起的左心室不同步,并且被认为是HF患者不良心血管预后的独立预测因子。不同步加剧了HF,导致心脏功能低下,以及器官,细胞,生化和分子水平的病理改变。

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