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January 9, 2026European Heart Journal - Cardiovascular Imaging

Evaluation of Aortic Regurgitation Severity Using Flow Convergence from the Parasternal Window: Comparison with Cardiac Magnetic Resonance and Traditional Doppler Parameters

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Key result

Flow convergence measurements from the parasternal window showed strong correlation with CMR-derived aortic regurgitation severity in chronic AR patients.

Authors

JZJad ZeitounRARowa AttarMMMaan Malahfji

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Overview

Evaluates flow convergence parameters to assess aortic regurgitation severity, suggesting effective identification methods.

Key Points

  • To determine the relation between flow convergence measurements and aortic regurgitation severity.
  • Included patients with chronic aortic regurgitation undergoing echocardiography and cardiac magnetic resonance.
  • Measured flow convergence using maximum length, width, and hemispheric area from the parasternal long-axis.
  • Compared flow convergence results with traditional Doppler parameters and CMR-derived regurgitant volume.
  • Flow convergence parameters correlated well with CMR regurgitant volume, with Spearman ρ values ranging from 0.65 to 0.78.
  • Significant AR was identified in 41% of patients based on CMR regurgitant volume measurements.
  • Flow convergence was measurable in 83% of patients, while PISA could be computed in only 39%.

Cite This Study

Zeitoun et al. (2025) studied this question. Flow convergence measurements from the parasternal window showed strong correlation with CMR-derived aortic regurgitation severity in chronic AR patients.

synapsesocial.com/papers/69609567f6dae357db7c14b8https://doi.org/10.1093/ehjci/jeaf359
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