ReviewPathophysiology : the official journal of the International Society for Pathophysiology2026
Heart Meets Brain: Insights into Neurocardiac Pathophysiology.
Review in Pathophysiology : the official journal of the International Society for Pathophysiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
The intricate relationship between the heart and the brain has transitioned from historical, cardio-centric theories to a modern, circuit-based, bi-directional framework known as neurocardiology. This review provides a comprehensive anatomical, physiological, and clinical synthesis of the bidirectional heart-brain axis, highlighting how disruptions in one organ systematically impact the other. Structurally, the heart-brain axis operates as a closed-loop feedback network. Vagal parasympathetic control dominates at rest, driven by an asymmetrical fiber distribution where sensory afferents actively supply interoceptive data to the brainstem. Hemodynamically, cerebral blood flow delivery is linked to cardiac output in an age-dependent fashion with the related vascular dysfunction. Clinically, brain-to-heart pathologies like acute brain injury trigger life-threatening catecholamine surges, neuroinflammation, and myocardial stunning, including Takotsubo cardiomyopathy. Conversely, heart-to-brain pathways reveal that atrial fibrillation and heart failure can independently trigger cardioembolic stroke, long-term neuroinflammation, and a profound, progressive burden of cognitive decline. The heart and brain are inexorably linked through complex structural, mechanical, and paracrine pathways. Ameliorating clinical outcomes demands integrated cross-specialty diagnostic screening, digital rhythm monitoring, and holistic neurocardioprotective therapeutic strategies.
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