دورية أكاديمية
4D Flow Cardiac MR in Primary Mitral Regurgitation.
| العنوان: | 4D Flow Cardiac MR in Primary Mitral Regurgitation. |
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| المؤلفون: | Gorecka M; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Cole C; Leeds Teaching Hospitals NHS Trust, Leeds, UK., Bissell MM; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Craven TP; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Chew PG; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Dobson LE; Department of Cardiology, Wythenshawe Hospital, Manchester University NHS Trust, Manchester, UK., Brown LAE; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Paton MF; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Higgins DM; Philips, Farnborough, England, UK., Thirunavukarasu S; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Sharrack N; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Javed W; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Kotha S; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Giannoudi M; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Procter H; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Parent M; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Kidambi A; Leeds Teaching Hospitals NHS Trust, Leeds, UK., Swoboda PP; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Plein S; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Levelt E; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK., Garg P; Norwich Medical School, University of East Anglia, Norwich, UK., Greenwood JP; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK. |
| المصدر: | Journal of magnetic resonance imaging : JMRI [J Magn Reson Imaging] 2024 Feb 12. Date of Electronic Publication: 2024 Feb 12. |
| Publication Model: | Ahead of Print |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Wiley-Liss Country of Publication: United States NLM ID: 9105850 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1522-2586 (Electronic) Linking ISSN: 10531807 NLM ISO Abbreviation: J Magn Reson Imaging Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: <2005-> : Hoboken , N.J. : Wiley-Liss Original Publication: Chicago, IL : Society for Magnetic Resonance Imaging, c1991- |
| مستخلص: | Background: Four-dimensional-flow cardiac MR (4DF-MR) offers advantages in primary mitral regurgitation. The relationship between 4DF-MR-derived mitral regurgitant volume (MR-Rvol) and the post-operative left ventricular (LV) reverse remodeling has not yet been established. Purpose: To ascertain if the 4DF-MR-derived MR-Rvol correlates with the LV reverse remodeling in primary mitral regurgitation. Study Type: Prospective, single-center, two arm, interventional vs. nonintervention observational study. Population: Forty-four patients (male N = 30; median age 68 [59-75]) with at least moderate primary mitral regurgitation; either awaiting mitral valve surgery (repair [MVr], replacement [MVR]) or undergoing "watchful waiting" (WW). Field Strength/sequence: 5 T/Balanced steady-state free precession (bSSFP) sequence/Phase contrast imaging/Multishot echo-planar imaging pulse sequence (five shots). Assessment: Patients underwent transthoracic echocardiography (TTE), phase-contrast MR (PMRI), 4DF-MR and 6-minute walk test (6MWT) at baseline, and a follow-up PMRI and 6MWT at 6 months. MR-Rvol was quantified by PMRI, 4DF-MR, and TTE by one observer. The pre-operative MR-Rvol was correlated with the post-operative decrease in the LV end-diastolic volume index (LVEDVi). Statistical Tests: Included Student t-test/Mann-Whitney test/Fisher's exact test, Bland-Altman plots, linear regression analysis and receiver operating characteristic curves. Statistical significance was defined as P < 0.05. Results: While Bland-Altman plots demonstrated similar bias between all the modalities, the limits of agreement were narrower between 4DF-MR and PMRI (bias 15; limits of agreement -36 mL to 65 mL), than between 4DF-MR and TTE (bias -8; limits of agreement -106 mL to 90 mL) and PMRI and TTE (bias -23; limits of agreement -105 mL to 59 mL). Linear regression analysis demonstrated a significant association between the MR-Rvol and the post-operative decrease in the LVEDVi, when the MR-Rvol was quantified by PMRI and 4DF-MR, but not by TTE (P = 0.73). 4DF-MR demonstrated the best diagnostic performance for reduction in the post-operative LVEDVi with the largest area under the curve (4DF-MR 0.83; vs. PMRI 0.78; and TTE 0.51; P = 0.89). Data Conclusion: This study demonstrates the potential clinical utility of 4DF-MR in the assessment of primary mitral regurgitation. Evidence Level: 2 TECHNICAL EFFICACY: Stage 5. (© 2024 The Authors. Journal of Magnetic Resonance Imaging published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.) |
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| فهرسة مساهمة: | Keywords: 4D flow; cardiac magnetic resonance; left ventricular reverse remodeling; mitral valve surgery; primary mitral regurgitation; transthoracic echocardiography |
| تواريخ الأحداث: | Date Created: 20240212 Latest Revision: 20240212 |
| رمز التحديث: | 20240213 |
| DOI: | 10.1002/jmri.29284 |
| PMID: | 38344930 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1522-2586 |
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| DOI: | 10.1002/jmri.29284 |