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越来越多的证据表明肠道微生物群在老年心衰的发生发展中发挥着重要作用。本文旨在探讨肠道微生态和老年心衰患者病程的发展与进展之间的关联，从老年心衰肠道微生态的变化、补充益生菌能否改善心衰症状两个方面探讨二者之间的复杂性及相互作用，以及补充益生菌作为老年心衰新的治疗靶点的潜力。“,”More and more evidences have revealed that intestinal microbiota play an important role in heart failure in the elderly.This article is aimed to discuss the correlations between intestinal microecology with the development and progression of heart failure in the elderly, to explore the complexity and interaction between intestinal microecology and heart failure from the changes of intestinal microecology, to prove whether supplementing probiotics can improve symptoms of heart failure in elderly, and to analyze the potential of probiotics as a new therapeutic target for heart failure in the elderly.