Reproducibility of global and segmental myocardial strain using cine DENSE at 3 T: a multicenter cardiovascular magnetic resonance study in healthy subjects and patients with heart disease
While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of...
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| Published in | Journal of cardiovascular magnetic resonance Vol. 24; no. 1; pp. 23 - 12 |
|---|---|
| Main Authors | , , , , , , , , , , , , , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
England
BioMed Central Ltd
04.04.2022
BioMed Central Elsevier |
| Subjects | |
| Online Access | Get full text |
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| Abstract | While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (E
), longitudinal (E
) and radial (E
) strain, torsion, and segmental E
at multiple centers.
Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global E
, E
and E
, torsion, and segmental E
were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4.
Based on CV and ICC, segmental E
provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice E
and global E
provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice E
, CV was in the fair-good range, and ICC was in the good-excellent range.
Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental E
, global E
, and torsion measurements in healthy subjects and heart disease patients. |
|---|---|
| AbstractList | While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (E
), longitudinal (E
) and radial (E
) strain, torsion, and segmental E
at multiple centers.
Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global E
, E
and E
, torsion, and segmental E
were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4.
Based on CV and ICC, segmental E
provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice E
and global E
provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice E
, CV was in the fair-good range, and ICC was in the good-excellent range.
Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental E
, global E
, and torsion measurements in healthy subjects and heart disease patients. BackgroundWhile multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (Ecc), longitudinal (Ell) and radial (Err) strain, torsion, and segmental Ecc at multiple centers.MethodsSix centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global Ecc, Ell and Err, torsion, and segmental Ecc were quantified using Bland–Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4.ResultsBased on CV and ICC, segmental Ecc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good–excellent inter-scan reproducibility. Whole-slice Ecc and global Ell provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good–excellent for all comparisons. For whole-slice Err, CV was in the fair-good range, and ICC was in the good–excellent range.ConclusionsMulticenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental Ecc, global Ell, and torsion measurements in healthy subjects and heart disease patients. Abstract Background While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (Ecc), longitudinal (Ell) and radial (Err) strain, torsion, and segmental Ecc at multiple centers. Methods Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global Ecc, Ell and Err, torsion, and segmental Ecc were quantified using Bland–Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4. Results Based on CV and ICC, segmental Ecc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good–excellent inter-scan reproducibility. Whole-slice Ecc and global Ell provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good–excellent for all comparisons. For whole-slice Err, CV was in the fair-good range, and ICC was in the good–excellent range. Conclusions Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental Ecc, global Ell, and torsion measurements in healthy subjects and heart disease patients. Background While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (E.sub.cc), longitudinal (E.sub.ll) and radial (E.sub.rr) strain, torsion, and segmental E.sub.cc at multiple centers. Methods Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global E.sub.cc, E.sub.ll and E.sub.rr, torsion, and segmental E.sub.cc were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV [less than or equai to] 10%, good for 10% < CV [less than or equai to] 20%, fair for 20% < CV [less than or equai to] 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC [less than or equai to] 0.74, fair for ICC 0.4 < ICC [less than or equai to] 0.59, poor for ICC < 0.4. Results Based on CV and ICC, segmental E.sub.cc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice E.sub.cc and global E.sub.ll provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice E.sub.rr, CV was in the fair-good range, and ICC was in the good-excellent range. Conclusions Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental E.sub.cc, global E.sub.ll, and torsion measurements in healthy subjects and heart disease patients. Keywords: DENSE, CMR, Myocardial strain imaging, Reproducibility While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (E.sub.cc), longitudinal (E.sub.ll) and radial (E.sub.rr) strain, torsion, and segmental E.sub.cc at multiple centers. Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global E.sub.cc, E.sub.ll and E.sub.rr, torsion, and segmental E.sub.cc were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV [less than or equai to] 10%, good for 10% < CV [less than or equai to] 20%, fair for 20% < CV [less than or equai to] 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC [less than or equai to] 0.74, fair for ICC 0.4 < ICC [less than or equai to] 0.59, poor for ICC < 0.4. Based on CV and ICC, segmental E.sub.cc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice E.sub.cc and global E.sub.ll provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice E.sub.rr, CV was in the fair-good range, and ICC was in the good-excellent range. Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental E.sub.cc, global E.sub.ll, and torsion measurements in healthy subjects and heart disease patients. While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (Ecc), longitudinal (Ell) and radial (Err) strain, torsion, and segmental Ecc at multiple centers.BACKGROUNDWhile multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain, achieving highly reproducible segmental strain is more challenging. Previous single-center studies have demonstrated excellent reproducibility of displacement encoding with stimulated echoes (DENSE) segmental circumferential strain. The present study evaluated the reproducibility of DENSE for measurement of whole-slice or global circumferential (Ecc), longitudinal (Ell) and radial (Err) strain, torsion, and segmental Ecc at multiple centers.Six centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global Ecc, Ell and Err, torsion, and segmental Ecc were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4.METHODSSix centers participated and a total of 81 subjects were studied, including 60 healthy subjects and 21 patients with various types of heart disease. CMR utilized 3 T scanners, and cine DENSE images were acquired in three short-axis planes and in the four-chamber long-axis view. During one imaging session, each subject underwent two separate DENSE scans to assess inter-scan reproducibility. Each subject was taken out of the scanner and repositioned between the scans. Intra-user, inter-user-same-site, inter-user-different-site, and inter-user-Human-Deep-Learning (DL) comparisons assessed the reproducibility of different users analyzing the same data. Inter-scan comparisons assessed the reproducibility of DENSE from scan to scan. The reproducibility of whole-slice or global Ecc, Ell and Err, torsion, and segmental Ecc were quantified using Bland-Altman analysis, the coefficient of variation (CV), and the intraclass correlation coefficient (ICC). CV was considered excellent for CV ≤ 10%, good for 10% < CV ≤ 20%, fair for 20% < CV ≤ 40%, and poor for CV > 40. ICC values were considered excellent for ICC > 0.74, good for ICC 0.6 < ICC ≤ 0.74, fair for ICC 0.4 < ICC ≤ 0.59, poor for ICC < 0.4.Based on CV and ICC, segmental Ecc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice Ecc and global Ell provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice Err, CV was in the fair-good range, and ICC was in the good-excellent range.RESULTSBased on CV and ICC, segmental Ecc provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL reproducibility and good-excellent inter-scan reproducibility. Whole-slice Ecc and global Ell provided excellent intra-user, inter-user-same-site, inter-user-different-site, inter-user-Human-DL and inter-scan reproducibility. The reproducibility of torsion was good-excellent for all comparisons. For whole-slice Err, CV was in the fair-good range, and ICC was in the good-excellent range.Multicenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental Ecc, global Ell, and torsion measurements in healthy subjects and heart disease patients.CONCLUSIONSMulticenter data show that 3 T CMR DENSE provides highly reproducible whole-slice and segmental Ecc, global Ell, and torsion measurements in healthy subjects and heart disease patients. |
| Audience | Academic |
| Author | Cai, Xiaoying Ngai, Nora Emamifar, Nick Bilchick, Kenneth C Liu, Zhan-Qiu Sun, Changyu Auger, Daniel A Epstein, Frederick H Abdi, Mohamad Loecher, Michael Ferreira, Pedro F Cao, Jie Jane Ennis, Daniel B Croisille, Pierre Viallon, Magalie Cheng, Joshua Y Oshinski, John N Reagan, Claire E Ghadimi, Sona Scott, Andrew D |
| Author_xml | – sequence: 1 givenname: Daniel A surname: Auger fullname: Auger, Daniel A organization: Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, VA, 22908, USA – sequence: 2 givenname: Sona surname: Ghadimi fullname: Ghadimi, Sona organization: Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, VA, 22908, USA – sequence: 3 givenname: Xiaoying surname: Cai fullname: Cai, Xiaoying organization: Siemens Healthineers, Boston, Massachusetts, USA – sequence: 4 givenname: Claire E surname: Reagan fullname: Reagan, Claire E organization: Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, VA, 22908, USA – sequence: 5 givenname: Changyu surname: Sun fullname: Sun, Changyu organization: Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, VA, 22908, USA – sequence: 6 givenname: Mohamad surname: Abdi fullname: Abdi, Mohamad organization: Department of Biomedical Engineering, University of Virginia, Box 800759, Charlottesville, VA, 22908, USA – sequence: 7 givenname: Jie Jane surname: Cao fullname: Cao, Jie Jane organization: St. Francis Hospital, The Heart Center, Long Island, NY, USA – sequence: 8 givenname: Joshua Y surname: Cheng fullname: Cheng, Joshua Y organization: St. Francis Hospital, The Heart Center, Long Island, NY, USA – sequence: 9 givenname: Nora surname: Ngai fullname: Ngai, Nora organization: St. Francis Hospital, The Heart Center, Long Island, NY, USA – sequence: 10 givenname: Andrew D surname: Scott fullname: Scott, Andrew D organization: Cardiovascular Magnetic Resonance Unit, The Royal Brompton Hospital and National Heart and Lung Institute, Imperial College London, London, UK – sequence: 11 givenname: Pedro F surname: Ferreira fullname: Ferreira, Pedro F organization: Cardiovascular Magnetic Resonance Unit, The Royal Brompton Hospital and National Heart and Lung Institute, Imperial College London, London, UK – sequence: 12 givenname: John N surname: Oshinski fullname: Oshinski, John N organization: Department of Radiology & Imaging Sciences and Biomedical Engineering, Emory University, Atlanta, Georgia – sequence: 13 givenname: Nick surname: Emamifar fullname: Emamifar, Nick organization: Department of Radiology & Imaging Sciences and Biomedical Engineering, Emory University, Atlanta, Georgia – sequence: 14 givenname: Daniel B surname: Ennis fullname: Ennis, Daniel B organization: Department of Radiology, Stanford University, Stanford, CA, USA – sequence: 15 givenname: Michael surname: Loecher fullname: Loecher, Michael organization: Department of Radiology, Stanford University, Stanford, CA, USA – sequence: 16 givenname: Zhan-Qiu surname: Liu fullname: Liu, Zhan-Qiu organization: Department of Radiology, Stanford University, Stanford, CA, USA – sequence: 17 givenname: Pierre surname: Croisille fullname: Croisille, Pierre organization: Department of Radiology, University Hospital Saint-Etienne, Saint-Etienne, France – sequence: 18 givenname: Magalie surname: Viallon fullname: Viallon, Magalie organization: University of Lyon, UJM-Saint-Etienne, INSA, CNRS UMR 5520, INSERM U1206, CREATIS, Saint-Etienne, France – sequence: 19 givenname: Kenneth C surname: Bilchick fullname: Bilchick, Kenneth C organization: Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA – sequence: 20 givenname: Frederick H orcidid: 0000-0002-1954-1988 surname: Epstein fullname: Epstein, Frederick H email: fhe6b@virginia.edu, fhe6b@virginia.edu organization: Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA. fhe6b@virginia.edu |
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| DOI | 10.1186/s12968-022-00851-7 |
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| Keywords | DENSE CMR Reproducibility Myocardial strain imaging |
| Language | English |
| License | 2022. The Author(s). Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data. |
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| PublicationTitle | Journal of cardiovascular magnetic resonance |
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| Snippet | While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal strain,... Background While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal... BackgroundWhile multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global longitudinal... Abstract Background While multiple cardiovascular magnetic resonance (CMR) methods provide excellent reproducibility of global circumferential and global... |
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| SubjectTerms | Cardiac patients Cardiotoxicity Cardiovascular disease Circumferences CMR Coefficient of variation Coronary artery disease Correlation coefficients Deep learning DENSE Healthy Volunteers Heart attacks Heart diseases Heart Diseases - diagnostic imaging Humans Hypertension Image acquisition Ischemia Magnetic resonance Magnetic Resonance Imaging, Cine - methods Magnetic Resonance Spectroscopy Medical research Medicine, Experimental Myocardial strain imaging Predictive Value of Tests Reproducibility Reproducibility of Results Scanners Signal to noise ratio |
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| Title | Reproducibility of global and segmental myocardial strain using cine DENSE at 3 T: a multicenter cardiovascular magnetic resonance study in healthy subjects and patients with heart disease |
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