Study of 73 Adults Links Lower Ejection Fraction to Future Grey Matter Loss
Updated
Updated · The Economic Times · Jul 7
Study of 73 Adults Links Lower Ejection Fraction to Future Grey Matter Loss
3 articles · Updated · The Economic Times · Jul 7
Summary
A 3.5-year Leipzig Heart Study found lower baseline ejection fraction predicted greater later grey-matter microstructural damage and memory decline across 73 participants.
That link held even in patients without clinical heart failure, suggesting subtle reductions in the heart’s pumping strength may flag neurological risk before overt cardiac disease appears.
Researchers used cardiac assessments at the start, then brain imaging and memory testing at the end, identifying damage that conventional scans have often missed at earlier stages.
The findings add to evidence tying cardiovascular health to brain aging and suggest earlier monitoring of heart function could help target interventions to preserve cognition and potentially lower long-term Alzheimer’s risk.
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Early Cardiac Dysfunction as a Predictor of Brain Atrophy and Cognitive Decline: Implications for Alzheimer’s Disease
Overview
A major study published in July 2026 revealed that even minor heart dysfunction, measured by a small drop in ejection fraction, can predict early microscopic damage in key brain regions responsible for memory and cognition. Researchers found that people with lower heart function experienced more grey matter loss over time, even before any obvious symptoms appeared. This discovery introduces the 'Heart-Brain Continuum,' showing that subtle heart problems can trigger changes in the brain that may lead to memory decline. Monitoring heart health could therefore help identify and prevent neurodegenerative diseases like Alzheimer's at an earlier stage.