Validation of time-resolved, automated peak trans-mitral velocity tracking : Two center four-dimensional flow cardiovascular magnetic resonance study
Copyright © 2022 The Author(s). Published by Elsevier B.V. All rights reserved..
OBJECTIVE: We aim to validate four-dimensional flow cardiovascular magnetic resonance (4D flow CMR) peak velocity tracking methods for measuring the peak velocity of mitral inflow against Doppler echocardiography.
METHOD: Fifty patients were recruited who had 4D flow CMR and Doppler Echocardiography. After transvalvular flow segmentation using established valve tracking methods, peak velocity was automatically derived using three-dimensional streamlines of transvalvular flow. In addition, a static-planar method was used at the tip of mitral valve to mimic Doppler technique.
RESULTS: Peak E-wave mitral inflow velocity was comparable between TTE and the novel 4D flow automated dynamic method (0.9 ± 0.5 vs 0.94 ± 0.6 m/s; p = 0.29) however there was a statistically significant difference when compared with the static planar method (0.85 ± 0.5 m/s; p = 0.01). Median A-wave peak velocity was also comparable across TTE and the automated dynamic streamline (0.77 ± 0.4 vs 0.76 ± 0.4 m/s; p = 0.77). A significant difference was seen with the static planar method (0.68 ± 0.5 m/s; p = 0.04). E/A ratio was comparable between TTE and both the automated dynamic and static planar method (1.1 ± 0.7 vs 1.15 ± 0.5 m/s; p = 0.74 and 1.15 ± 0.5 m/s; p = 0.5 respectively). Both novel 4D flow methods showed good correlation with TTE for E-wave (dynamic method; r = 0.70; P < 0.001 and static-planar method; r = 0.67; P < 0.001) and A-wave velocity measurements (dynamic method; r = 0.83; P < 0.001 and static method; r = 0.71; P < 0.001). The automated dynamic method demonstrated excellent intra/inter-observer reproducibility for all parameters.
CONCLUSION: Automated dynamic peak velocity tracing method using 4D flow CMR is comparable to Doppler echocardiography for mitral inflow assessment and has excellent reproducibility for clinical use.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:364 |
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| Enthalten in: |
International journal of cardiology - 364(2022) vom: 01. Okt., Seite 148-156 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Njoku, Paul [VerfasserIn] |
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| Links: |
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| Themen: |
4D flow CMR |
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| Anmerkungen: |
Date Completed 09.08.2022 Date Revised 03.10.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijcard.2022.06.032 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM342382128 |
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| 100 | 1 | |a Njoku, Paul |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Validation of time-resolved, automated peak trans-mitral velocity tracking |b Two center four-dimensional flow cardiovascular magnetic resonance study |
| 264 | 1 | |c 2022 | |
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| 500 | |a Date Completed 09.08.2022 | ||
| 500 | |a Date Revised 03.10.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 The Author(s). Published by Elsevier B.V. All rights reserved. | ||
| 520 | |a OBJECTIVE: We aim to validate four-dimensional flow cardiovascular magnetic resonance (4D flow CMR) peak velocity tracking methods for measuring the peak velocity of mitral inflow against Doppler echocardiography | ||
| 520 | |a METHOD: Fifty patients were recruited who had 4D flow CMR and Doppler Echocardiography. After transvalvular flow segmentation using established valve tracking methods, peak velocity was automatically derived using three-dimensional streamlines of transvalvular flow. In addition, a static-planar method was used at the tip of mitral valve to mimic Doppler technique | ||
| 520 | |a RESULTS: Peak E-wave mitral inflow velocity was comparable between TTE and the novel 4D flow automated dynamic method (0.9 ± 0.5 vs 0.94 ± 0.6 m/s; p = 0.29) however there was a statistically significant difference when compared with the static planar method (0.85 ± 0.5 m/s; p = 0.01). Median A-wave peak velocity was also comparable across TTE and the automated dynamic streamline (0.77 ± 0.4 vs 0.76 ± 0.4 m/s; p = 0.77). A significant difference was seen with the static planar method (0.68 ± 0.5 m/s; p = 0.04). E/A ratio was comparable between TTE and both the automated dynamic and static planar method (1.1 ± 0.7 vs 1.15 ± 0.5 m/s; p = 0.74 and 1.15 ± 0.5 m/s; p = 0.5 respectively). Both novel 4D flow methods showed good correlation with TTE for E-wave (dynamic method; r = 0.70; P < 0.001 and static-planar method; r = 0.67; P < 0.001) and A-wave velocity measurements (dynamic method; r = 0.83; P < 0.001 and static method; r = 0.71; P < 0.001). The automated dynamic method demonstrated excellent intra/inter-observer reproducibility for all parameters | ||
| 520 | |a CONCLUSION: Automated dynamic peak velocity tracing method using 4D flow CMR is comparable to Doppler echocardiography for mitral inflow assessment and has excellent reproducibility for clinical use | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 4D flow CMR | |
| 650 | 4 | |a Mitral valve | |
| 650 | 4 | |a Peak velocity quantification | |
| 650 | 4 | |a Validation | |
| 700 | 1 | |a Grafton-Clarke, Ciaran |e verfasserin |4 aut | |
| 700 | 1 | |a Assadi, Hosamadin |e verfasserin |4 aut | |
| 700 | 1 | |a Gosling, Rebecca |e verfasserin |4 aut | |
| 700 | 1 | |a Archer, Gareth |e verfasserin |4 aut | |
| 700 | 1 | |a Swift, Andrew J |e verfasserin |4 aut | |
| 700 | 1 | |a Morris, Paul D |e verfasserin |4 aut | |
| 700 | 1 | |a Albaraikan, Abdulaziz |e verfasserin |4 aut | |
| 700 | 1 | |a Williams, Gareth |e verfasserin |4 aut | |
| 700 | 1 | |a Westenberg, Jos |e verfasserin |4 aut | |
| 700 | 1 | |a Aben, Jean-Paul |e verfasserin |4 aut | |
| 700 | 1 | |a Ledoux, Leon |e verfasserin |4 aut | |
| 700 | 1 | |a Alabed, Samer |e verfasserin |4 aut | |
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| 700 | 1 | |a Sawh, Chris |e verfasserin |4 aut | |
| 700 | 1 | |a Swoboda, Peter P |e verfasserin |4 aut | |
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| 700 | 1 | |a Vassiliou, Vassilios |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Garg, Pankaj |e verfasserin |4 aut | |
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