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In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

3D color-Doppler echocardiography and chronic aortic regurgitation: a novel approach for severity assessment

Leopoldo Perez de Isla1, Jose Zamorano, Covadonga Fernandez-Golfin

  • 1Unidad de Imagen Cardiovascular, Hospital Clínico San Carlos, Madrid, Spain. leopisla@hotmail.com

International Journal of Cardiology
|December 24, 2011
PubMed

Insights

Three-dimensional color-Doppler echocardiography (3DCDE) accurately assesses chronic aortic regurgitation (CAR) severity, showing better agreement with cardiac magnetic resonance than traditional methods. This reproducible technique may enhance patient management.

Area of Science:

  • Cardiovascular Imaging
  • Echocardiography
  • Cardiac Diagnostics

Background:

  • 3D echocardiography offers comprehensive evaluation of the aortic valve and adjacent cardiac structures.
  • Three-dimensional color-Doppler echocardiography (3DCDE) may improve the measurement of functional regurgitant orifice in Chronic Aortic Regurgitation (CAR).

Purpose of the Study:

  • To compare the accuracy of current echo-Doppler methods and 3DCDE for assessing CAR severity.
  • To validate findings against cardiac magnetic resonance (CMR) as the reference standard.

Main Methods:

  • 32 patients with diagnosed CAR underwent conventional Echo-Doppler and 3DCDE.
  • CAR severity was assessed using 3DCDE methods (vena contracta cross-sectional area) and compared with CMR results.

Main Results:

  • 3DCDE demonstrated a strong linear association with CMR for CAR severity (r=0.88).
  • ROC analysis showed excellent area under the curve for detecting severe CAR with 3DCDE (0.97-0.98).
  • 3DCDE exhibited good inter- and intra-observer reproducibility (ICC=0.89 and 0.91).

Conclusions:

  • 3DCDE is an accurate and reproducible tool for estimating CAR severity.
  • 3DCDE shows superior agreement with CMR-determined CAR severity compared to traditional echo-Doppler methods.
  • 3DCDE has the potential to improve therapeutic management for patients with CAR.
Abstract

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