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February 20, 2026Academic Radiology

Prognostic Value of Left Ventricular Standardized Mechanical Dispersion Derived From Cardiac Magnetic Resonance Feature Tracking in Patients with Dilated Cardiomyopathy

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Authors

SZSisi ZhuLLLiumei LiXLXiaoxia Liu

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Overview

Cohort study shows cardiac magnetic resonance-derived mechanical dispersion predicts adverse events in dilated cardiomyopathy patients, suggesting improved prognostic assessments.

Key Points

  • To evaluate the prognostic value of standardized left ventricular mechanical dispersion for major adverse cardiovascular events in patients with dilated cardiomyopathy.
  • Patients with dilated cardiomyopathy underwent cardiac magnetic resonance imaging.
  • Myocardial strain was assessed using feature tracking within CMR.
  • Left ventricular mechanical dispersion was calculated from strain data and compared in relation to adverse events.
  • During 28 months, 83 patients experienced major adverse cardiovascular events.
  • Elevated mechanical dispersion was significantly linked to increased incidence of adverse events (P < 0.001).
  • sLVMD was identified as an independent predictor of events with a hazard ratio near 1 for different measurements.

Cite This Study

Zhu et al. (2026) studied this question.

synapsesocial.com/papers/6997b921baf9c852d8c26177https://doi.org/10.1016/j.acra.2026.01.050
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Mechanical Dispersion in Dilated and Non-Dilated Left Ventricular Cardiomyopathy: A New Frontier in Arrhythmic Risk Prediction2026
  2. 2Magnetic resonance imaging quantification of left ventricular mechanical dispersion and scar heterogeneity optimize risk stratification after myocardial infarction2025 · 8 citations
  3. 3Left ventricle mechanical dispersion is a new universal marker of malignant ventricular tachyarrhythmias in patients with structural heart disease2023
  4. 4CMR-Derived Global Longitudinal Strain and Left Ventricular Torsion as Prognostic Markers in Dilated Cardiomyopathy2025
  5. 5Prognostic Importance of Left Ventricular Mechanical Dyssynchrony in Predicting Cardiovascular Death in the General Population2018 · 35 citations