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February 2, 2026European Heart Journal - Cardiovascular Imaging

Higher LVSI predicts a ~10% greater risk of adverse outcomes in dilated cardiomyopathy.

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Why the study?

Dilated cardiomyopathy involves diastolic abnormalities and increased chamber stiffness, but the prognostic role of non-invasively assessed LV stiffness using 3D echocardiography required evaluation.

Does non-invasive assessment of LV stiffness using 3D echocardiography predict adverse outcomes in patients with non-ischemic dilated cardiomyopathy?

Population

121 consecutive patients with non-ischemic DCM

Comparison

Higher vs lower non-invasively assessed LV stiffness

Design

Prospective cohort study

Follow-up

19±11 months

Key result

Left ventricular stiffness index independently predicted death or heart failure hospitalization in non-ischemic dilated cardiomyopathy (adjusted HR 1.10; 95% CI 1.02-1.18; p=0.01).

Authors

AVA E VijiiacASA I ScarlatescuSOSebastian Onciul

Discussion

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Overview

LV stiffness may refine prognostication when LVEF is nondiscriminatory in non-ischemic DCM; challenges systolic-centric consensus but remains hypothesis-generating.

Key Points

  • The study aims to assess the role of left ventricular stiffness as a prognostic indicator in dilated cardiomyopathy patients, comparing it to systolic dysfunction.
  • 121 patients with non-ischemic dilated cardiomyopathy were studied.
  • Echocardiographic assessments (2D and 3D) using specialized software were performed.
  • Patients were followed for 19±11 months for death or heart failure hospitalization.
  • LV stiffness was calculated using a specific formula involving mitral and LV volume ratios.
  • 55 patients experienced adverse outcomes (26 deaths and 29 heart failure hospitalizations).
  • No significant differences in systolic measures (stroke volume, ejection fraction) between patients with and without events.
  • Diastolic dysfunction was significantly greater in patients with adverse outcomes (mitral E/A ratio and LA volume).
  • LV stiffness index (LVSI) was higher in those reaching the endpoint and predicted adverse outcomes independently.

Study Design

Type

Cohort (n=121)

Structured PICO

Does non-invasive assessment of LV stiffness using 3D echocardiography predict adverse outcomes in patients with non-ischemic dilated cardiomyopathy?

P
Population
121 consecutive patients with non-ischemic dilated cardiomyopathy, mean age 59 years, prospectively followed for 19±11 months.
E
Exposure
Non-invasive assessment of left ventricular stiffness (LVSI) using 3D echocardiography (defined as 100 * the mitral E/ lateral annular e' ratio divided by 3D LV end-diastolic volume).
O
Outcome
Composite endpoint of death or heart failure decompensation requiring hospitalisation.composite

Main Result

Hazard Ratio: 1.11 (95% CI 1.04–1.19)

p-value: p=0.003

Non-invasive 3D echocardiographic assessment of LV stiffness independently predicts death or heart failure hospitalization in patients with non-ischemic dilated cardiomyopathy, whereas LV systolic dysfunction does not.

Cite This Study

Vijiiac et al. (2026) conducted a cohort in non-ischemic dilated cardiomyopathy (n=121). Left ventricular stiffness index (LVSI) was evaluated on composite endpoint of death or heart failure decompensation requiring hospitalisation (HR 1.11, 95% CI 1.04-1.19, p=0.003). Left ventricular stiffness index independently predicted death or heart failure hospitalization in non-ischemic dilated cardiomyopathy (adjusted HR 1.10; 95% CI 1.02-1.18; p=0.01).

synapsesocial.com/papers/6980feeac1c9540dea811735https://doi.org/10.1093/ehjci/jeaf367.097
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Also Consider

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

  1. 1Prognostic significance of ventricular stiffness assessed by 3D echocardiography: introducing a novel biventricular stiffness index2026
  2. 2Left Ventricular Diastolic Dysfunction Worsens Prognosis in Patients with Heart Failure Due to Dilated Cardiomyopathy2024 · 4 citations
  3. 3Three‐dimensional echocardiographic comparison of left ventricular geometry and systolic function between dilated cardiomyopathy and mitral regurgitation with similar left ventricular dilation2019 · 3 citations
  4. 4Relation between cardiac magnetic resonance-assessed interstitial fibrosis and diastolic dysfunction in heart failure due to dilated cardiomyopathy2024 · 1 citations
  5. 5Predictors of Left Ventricular Remodelling in Patients with Dilated Cardiomyopathy – A Cardiovascular Magnetic Resonance Study2020 · 41 citations