ArticleBioinformation2026
QT interval prolongation and heart failure severity: A longitudinal study.
Article in Bioinformation, 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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Abstract
Heart failure (HFrEF or HFpEF) patients are at risk for arrhythmic events and mortality, yet the role of QT interval prolongation as a prognostic marker in this population remains poorly understood. Patients with heart failure (HFrEF or HFpEF) were assessed for changes in QT interval, NYHA class, LVEF, BNP levels and hospitalizations. Results showed significant associations between prolonged QT interval and worsening heart failure, with increased risks of arrhythmic events and mortality. The advancement to knowledge in this study is the identification of QT interval prolongation as a significant prognostic marker for heart failure severity.
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