Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis

Aims Four-dimensional flow cardiovascular MRI (4D flow CMR) has emerged as a promising technique for assessing aortic stenosis (AS). This study aimed to evaluate the agreement between 4D flow CMR and transthoracic echocardiography (TTE) in estimating peak aortic valve (AV) velocities (VPeak), gradin...

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Main Authors: Samer Alabed, Pankaj Garg, Rui Li, Julia Sun, John Curtin, Fabrizio Ricci, Andrew J Swift, Ciaran Grafton-Clarke, Peter Swoboda, David Hewson, Hosamadin Assadi, Rimma Hall, Vassilios S Vassiliou, Vasiliki Tsampasian, Gareth Matthews, Zia Mehmood, Bahman Kasmai, Gurung-Koney Yashoda, Rob J van der Geest, Sunil Nair, Laura Staff, Kurian Thampi, Jordi Broncano
Format: Article
Language:English
Published: BMJ Publishing Group 2025-05-01
Series:Open Heart
Online Access:https://openheart.bmj.com/content/12/1/e003081.full
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author Samer Alabed
Pankaj Garg
Rui Li
Julia Sun
John Curtin
Fabrizio Ricci
Andrew J Swift
Ciaran Grafton-Clarke
Peter Swoboda
David Hewson
Hosamadin Assadi
Rimma Hall
Vassilios S Vassiliou
Vasiliki Tsampasian
Gareth Matthews
Zia Mehmood
Bahman Kasmai
Gurung-Koney Yashoda
Rob J van der Geest
Sunil Nair
Laura Staff
Kurian Thampi
Jordi Broncano
author_facet Samer Alabed
Pankaj Garg
Rui Li
Julia Sun
John Curtin
Fabrizio Ricci
Andrew J Swift
Ciaran Grafton-Clarke
Peter Swoboda
David Hewson
Hosamadin Assadi
Rimma Hall
Vassilios S Vassiliou
Vasiliki Tsampasian
Gareth Matthews
Zia Mehmood
Bahman Kasmai
Gurung-Koney Yashoda
Rob J van der Geest
Sunil Nair
Laura Staff
Kurian Thampi
Jordi Broncano
author_sort Samer Alabed
collection DOAJ
description Aims Four-dimensional flow cardiovascular MRI (4D flow CMR) has emerged as a promising technique for assessing aortic stenosis (AS). This study aimed to evaluate the agreement between 4D flow CMR and transthoracic echocardiography (TTE) in estimating peak aortic valve (AV) velocities (VPeak), grading AS severity and predicting AV intervention in a real-world setting.Methods Participants from the PREFER-CMR registry who had consecutive TTE and 4D flow CMR were included. AS severity was graded using established protocols using three echocardiographic parameters (VPeak, AV area and mean pressure gradient) and CMR-derived VPeak.Results The study recruited 30 patients (mean age 75.4 years, 67% male), with 17 undergoing AV intervention. Continuous wave Doppler (CWD) VPeak (3.4 vs 2.6 m/s, p=0.0025) and 4D flow VPeak (4.2 vs 2.7 m/s, p<0.0001) were significantly higher in patients going for AV intervention. VPeak by CWD was significantly lower to 4D flow with a bias of −0.5 (p=0.01) and a correlation of (R=0.55, p=0.002). The Cox-regression analysis reveals that 4D flow VPeak significantly predicts AV intervention (HR=2.51, p<0.01), while CWD VPeak (HR=0.54, p=0.76) shows no significant association; overall model fit is significant (χ²=9.5, p=0.02).Conclusion 4D flow CMR-derived VPeak assessment is superior to echocardiographic CWD assessment for predicting timing of AV intervention.Trial registration number NCT05114785.
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spelling doaj-art-5eef6465207744a89c4fbd9d173a35cb2025-08-20T02:28:32ZengBMJ Publishing GroupOpen Heart2053-36242025-05-0112110.1136/openhrt-2024-003081Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosisSamer Alabed0Pankaj Garg1Rui Li2Julia Sun3John Curtin4Fabrizio Ricci5Andrew J Swift6Ciaran Grafton-Clarke7Peter Swoboda8David Hewson9Hosamadin Assadi10Rimma Hall11Vassilios S Vassiliou12Vasiliki Tsampasian13Gareth Matthews14Zia Mehmood15Bahman Kasmai16Gurung-Koney Yashoda17Rob J van der Geest18Sunil Nair19Laura Staff20Kurian Thampi21Jordi Broncano22Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKDepartment of Neuroscience, Imaging and Clinical Sciences, Chieti and University Cardiology Division, Chieti, ItalyDepartment of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKLICAMM, University of Leeds, Leeds, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKDepartment of Radiology, Division of Image Processing, Leiden University Medical Center (LUMC), Leiden, The NetherlandsNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKNorfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UKHospital San Juan de Dios, Santa Cruz de Tenerife, SpainAims Four-dimensional flow cardiovascular MRI (4D flow CMR) has emerged as a promising technique for assessing aortic stenosis (AS). This study aimed to evaluate the agreement between 4D flow CMR and transthoracic echocardiography (TTE) in estimating peak aortic valve (AV) velocities (VPeak), grading AS severity and predicting AV intervention in a real-world setting.Methods Participants from the PREFER-CMR registry who had consecutive TTE and 4D flow CMR were included. AS severity was graded using established protocols using three echocardiographic parameters (VPeak, AV area and mean pressure gradient) and CMR-derived VPeak.Results The study recruited 30 patients (mean age 75.4 years, 67% male), with 17 undergoing AV intervention. Continuous wave Doppler (CWD) VPeak (3.4 vs 2.6 m/s, p=0.0025) and 4D flow VPeak (4.2 vs 2.7 m/s, p<0.0001) were significantly higher in patients going for AV intervention. VPeak by CWD was significantly lower to 4D flow with a bias of −0.5 (p=0.01) and a correlation of (R=0.55, p=0.002). The Cox-regression analysis reveals that 4D flow VPeak significantly predicts AV intervention (HR=2.51, p<0.01), while CWD VPeak (HR=0.54, p=0.76) shows no significant association; overall model fit is significant (χ²=9.5, p=0.02).Conclusion 4D flow CMR-derived VPeak assessment is superior to echocardiographic CWD assessment for predicting timing of AV intervention.Trial registration number NCT05114785.https://openheart.bmj.com/content/12/1/e003081.full
spellingShingle Samer Alabed
Pankaj Garg
Rui Li
Julia Sun
John Curtin
Fabrizio Ricci
Andrew J Swift
Ciaran Grafton-Clarke
Peter Swoboda
David Hewson
Hosamadin Assadi
Rimma Hall
Vassilios S Vassiliou
Vasiliki Tsampasian
Gareth Matthews
Zia Mehmood
Bahman Kasmai
Gurung-Koney Yashoda
Rob J van der Geest
Sunil Nair
Laura Staff
Kurian Thampi
Jordi Broncano
Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
Open Heart
title Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
title_full Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
title_fullStr Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
title_full_unstemmed Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
title_short Four-dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
title_sort four dimensional flow provides incremental diagnostic value over echocardiography in aortic stenosis
url https://openheart.bmj.com/content/12/1/e003081.full
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