Arrhythmias and Coronary Slow Flow: A Potential Pathogenic Link.

Authors

Chen Jinhong, Wu Zongyin

Published in

Journal of visualized experiments : JoVE. Issue 231. May 29, 2026. Epub May 29, 2026.

Abstract

Coronary slow flow (CSF) is characterized by recurrent resting angina and delayed distal vessel filling, despite the absence of obstructive coronary artery disease on angiography. With the continuous advancement of coronary interventional techniques, cardiologists have increasingly recognized CSF as a distinct phenomenon, and its pathogenesis has become a major research focus. Arrhythmias, common cardiovascular conditions, often present with clinical manifestations similar to those of CSF. Moreover, both conditions share certain pathogenic factors and pathophysiological processes, including endothelial dysfunction, inflammation, autonomic imbalance, and microvascular abnormalities. A clearer understanding of these overlapping mechanisms may help clinicians manage patients with CSF more scientifically and comprehensively. The present review summarizes the proposed pathogenic mechanisms of CSF, including microvascular disorders, endothelial dysfunction, inflammation, arrhythmias, anatomical factors, early atherosclerosis, and genetic polymorphisms. It also discusses the possible association between CSF and arrhythmias, highlights current uncertainties regarding causality, and considers how these mechanisms may broaden future therapeutic perspectives for this disease.

PMID:
42296075
Bibliographic data and abstract were imported from PubMed on 16 Jun 2026.

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