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Vande Berg B, De Keyzer F, Cernicanu A, Claus P, Masci PG, Bogaert J, Dresselaers T. Radiomics-based detection of acute myocardial infarction on noncontrast enhanced midventricular short-axis cine CMR images. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2024; 40:1211-1220. [PMID: 38630210 DOI: 10.1007/s10554-024-03089-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 03/19/2024] [Indexed: 06/29/2024]
Abstract
Cardiac magnetic resonance cine images are primarily used to evaluate functional consequences, whereas limited information is extracted from the noncontrast pixel-wise myocardial signal intensity pattern. In this study we want to assess whether characterizing this inherent contrast pattern of noncontrast-enhanced short axis (SAX) cine images via radiomics is sufficient to distinguish subjects with acute myocardial infarction (AMI) from controls. Cine balanced steady-state free-precession images acquired at 1.5 T from 99 AMI and 49 control patients were included. First, radiomic feature extraction of the left ventricular myocardium of end-diastolic (ED) and end-systolic (ES) frames was performed based on automated (AUTO) or manually corrected (MAN) segmentations. Next, top features were selected based on optimal classification results using a support vector machine (SVM) approach. The classification performances of the four radiomics models (using AUTO or MAN segmented ED or ES images), were measured by AUC, classification accuracy (CA), F1-score, sensitivity and specificity. The most accurate model was found when combining the features RunLengthNonUniformity, ClusterShade and Median obtained from the manually segmented ES images (CA = 0.846, F1 score = 0.847). ED analysis performed worse than ES, with lower CA and F1 scores (0.769 and 0.770, respectively). Manual correction of automated contours resulted in similar model features as the automated segmentations and did not improve classification results. A radiomics analysis can capture the inherent contrast in noncontrast mid-ventricular SAX cine images to distinguishing AMI from healthy subjects. The ES radiomics model was more accurate than the ED model. Manual correction of the autosegmentation did not provide significant classification improvements.
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Affiliation(s)
- Baptiste Vande Berg
- Department of Radiology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Frederik De Keyzer
- Department of Radiology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
- Department of Imaging and Pathology KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | | | - Piet Claus
- Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Pier Giorgio Masci
- Department of Radiology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
- Department of Imaging and Pathology KU Leuven, Herestraat 49, 3000, Leuven, Belgium
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas Hospital, London, UK
| | - Jan Bogaert
- Department of Radiology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
- Department of Imaging and Pathology KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Tom Dresselaers
- Department of Radiology, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.
- Department of Imaging and Pathology KU Leuven, Herestraat 49, 3000, Leuven, Belgium.
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2
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Abo-Aly M, George B, Shokri E, Chelvarajan L, El-Helw M, Smyth SS, Abdel-Latif A, Ziada K. Cangrelor in addition to standard therapy reduces cardiac damage and inflammatory markers in patients with ST-segment elevation myocardial infarction. J Thromb Thrombolysis 2020; 52:934-940. [PMID: 33258102 DOI: 10.1007/s11239-020-02345-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/13/2020] [Indexed: 01/01/2023]
Abstract
Although P2Y12 receptor blockers have become a standard, adjunctive therapy in patients with ST-segment elevation myocardial infarction (STEMI) undergoing percutaneous coronary intervention (PCI), the optimal regimen has not been established. We performed a prospective, open-label, randomized study to investigate the effect of cangrelor administration on platelet function and inflammation in patients with primary PCI (PPCI). Twenty-two patients were randomized to receive either cangrelor and ticagrelor or ticagrelor alone (standard group) before PPCI. Platelet reactivity was evaluated at baseline (before PCI), 10 min and the end of the procedure. At baseline, there was no significant difference in platelet reactivity between both groups, whereas platelets were significantly inhibited at 10 min after initiating cangrelor vs. standard (adenosine-diphosphate-induced aggregation 102.2 ± 24.88 vs. 333.4 ± 63.3, P < 0.05 and thrombin-receptor-activating-peptide-induced aggregation 285.8 ± 86.1 vs. 624.8 ± 106.0, P < 0.05). Lower platelet aggregation in the cangrelor group persisted but the difference was reduced by the end of the procedure. Circulating inflammatory cells, pro-inflammatory cytokines, total elastase, and surrogates of neutrophil extracellular traps (total elastase-myeloperoxidase complexes) were significantly lower in the cangrelor compared to the standard therapy group at 6 h after randomization. There was a trend towards reduction in cardiac damage in the cangrelor group as reflected by the changes in late gadolinium enhancement between 48 h and 3 months after STEMI. Early administration of cangrelor in STEMI patients was associated with more effective platelet inhibition during PPCI and significantly dampened the deleterious inflammatory response compared to standard therapy (NCT03043274).
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Affiliation(s)
- Mohamed Abo-Aly
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Bennet George
- University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Elica Shokri
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Lakshman Chelvarajan
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Mohamed El-Helw
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Susan S Smyth
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Ahmed Abdel-Latif
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, KY, USA
| | - Khaled Ziada
- Cardiovascular Interventions, Coronary Artery Disease Center, Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, USA.
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3
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Seemann F, Berg J, Solem K, Jablonowski R, Arheden H, Carlsson M, Heiberg E. Quantification of left ventricular contribution to stroke work by longitudinal and radial force-length loops. J Appl Physiol (1985) 2020; 129:880-890. [PMID: 32816638 PMCID: PMC8285573 DOI: 10.1152/japplphysiol.00198.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Left ventricular (LV) stroke work (SW) is calculated from the pressure-volume (PV) loop. PV loops do not contain information on longitudinal and radial pumping, leaving their contributions to SW unknown. A conceptual framework is proposed to derive the longitudinal and radial contributions to SW, using ventricular force-length loops reflecting longitudinal and radial pumping. The aim of this study was to develop and validate this framework experimentally and to explore these contributions in healthy controls and heart failure patients. Thirteen swine underwent cardiovascular magnetic resonance (CMR) and LV pressure catheterization at baseline (n = 7) or 1 wk after myocardial infarction (n = 6). CMR and noninvasive PV loop quantification were performed on 26 human controls and 14 patients. Longitudinal and radial forces were calculated as LV pressure multiplied by the myocardial surface areas in the respective directions. Length components were defined as the atrioventricular plane and epicardial displacements, respectively. Contributions to SW were calculated as the area within the respective force-length loop. Summation of longitudinal and radial SW had excellent agreement with PV loop-derived SW (ICC = 0.95, R = 0.96, bias ± SD = −4.5 ± 5.4%) in swine. Longitudinal and radial contributions to SW were ~50/50% in swine and human controls, and 44/56% in patients. Longitudinal pumping required less work than radial to deliver stroke volume in swine (6.8 ± 0.8 vs. 8.7 ± 1.2 mJ/mL, P = 0.0002) and in humans (11 ± 2.1 vs. 17 ± 4.7 mJ/mL, P < 0.0001). In conclusion, longitudinal and radial pumping contribute ~50/50% to SW in swine and human controls and 44/56% in heart failure patients. Longitudinal pumping is more energy efficient than radial pumping in delivering stroke volume. NEW & NOTEWORTHY A novel method for quantifying the contributions of longitudinal and radial pumping to stroke work using global left ventricular force-length loops was proposed and validated, which can be quantified noninvasively using cardiovascular magnetic resonance and brachial cuff pressure. We found that longitudinal and radial pumping contributes equally to stroke work in controls and 44/56% in heart failure patients, and that the longitudinal pumping is more energy efficient in delivering stroke volume than radial pumping.
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Affiliation(s)
- Felicia Seemann
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden.,Department of Biomedical Engineering, Faculty of Engineering, Lund University, Lund, Sweden
| | - Jonathan Berg
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden.,Syntach AB, Lund, Sweden
| | | | - Robert Jablonowski
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Håkan Arheden
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Marcus Carlsson
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Einar Heiberg
- Department of Clinical Sciences Lund, Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden.,Department of Biomedical Engineering, Faculty of Engineering, Lund University, Lund, Sweden.,Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
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Buffa V, Di Renzi P. CMR in the diagnosis of ischemic heart disease. Radiol Med 2020; 125:1114-1123. [PMID: 32936388 DOI: 10.1007/s11547-020-01278-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 09/03/2020] [Indexed: 12/11/2022]
Abstract
Cardiovascular magnetic resonance has always been more often used in the last 10 years in evaluation of heart disease. Role in diagnosis of ischemia and in evaluation of myocardial infarction is well established by many scientific papers and included in current guidelines. High accuracy in evaluation of stress-induced ischemia, tissue characterization and functional parameters are the pillars the make the method widely used. In this paper are described role and techniques in diagnosis of ischemia, myocardial infarction and its sequelae.
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Affiliation(s)
- Vitaliano Buffa
- Department of Radiology, Azienda Ospedaliera San Camillo Forlanini, Rome, Italy.
| | - Paolo Di Renzi
- Department of Radiology, Ospedale San Giovanni Calibita FBF, Rome, Italy
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Reindl M, Eitel I, Reinstadler SJ. Role of Cardiac Magnetic Resonance to Improve Risk Prediction Following Acute ST-Elevation Myocardial Infarction. J Clin Med 2020; 9:E1041. [PMID: 32272692 PMCID: PMC7231095 DOI: 10.3390/jcm9041041] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiac magnetic resonance (CMR) imaging allows comprehensive assessment of myocardial function and tissue characterization in a single examination after acute ST-elevation myocardial infarction. Markers of myocardial infarct severity determined by CMR imaging, especially infarct size and microvascular obstruction, strongly predict recurrent cardiovascular events and mortality. The prognostic information provided by a comprehensive CMR analysis is incremental to conventional risk factors including left ventricular ejection fraction. As such, CMR parameters of myocardial tissue damage are increasingly recognized for optimized risk stratification to further ameliorate the burden of recurrent cardiovascular events in this population. In this review, we provide an overview of the current impact of CMR imaging on optimized risk assessment soon after acute ST-elevation myocardial infarction.
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Affiliation(s)
- Martin Reindl
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria;
| | - Ingo Eitel
- University Heart Center Lübeck, Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany;
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, D-23538 Lübeck, Germany
| | - Sebastian Johannes Reinstadler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria;
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Manning WJ. Journal of Cardiovascular Magnetic Resonance: 2017/2018 in review. J Cardiovasc Magn Reson 2019; 21:79. [PMID: 31884956 PMCID: PMC6936125 DOI: 10.1186/s12968-019-0594-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 12/14/2022] Open
Abstract
There were 89 articles published in the Journal of Cardiovascular Magnetic Resonance (JCMR) in 2017, including 76 original research papers, 4 reviews, 5 technical notes, 1 guideline, and 3 corrections. The volume was down slightly from 2017 with a corresponding 15% decrease in manuscript submissions from 405 to 346 and thus reflects a slight increase in the acceptance rate from 25 to 26%. The decrease in submissions for the year followed the initiation of the increased author processing charge (APC) for Society for Cardiovascular Magnetic Resonance (SCMR) members for manuscripts submitted after June 30, 2018. The quality of the submissions continues to be high. The 2018 JCMR Impact Factor (which is published in June 2019) was slightly lower at 5.1 (vs. 5.46 for 2017; as published in June 2018. The 2018 impact factor means that on average, each JCMR published in 2016 and 2017 was cited 5.1 times in 2018. Our 5 year impact factor was 5.82.In accordance with Open-Access publishing guidelines of BMC, the JCMR articles are published on-line in a continuus fashion in the chronologic order of acceptance, with no collating of the articles into sections or special thematic issues. For this reason, over the years, the Editors have felt that it is useful for the JCMR audience to annually summarize the publications into broad areas of interest or themes, so that readers can view areas of interest in a single article in relation to each other and contemporaneous JCMR publications. In this publication, the manuscripts are presented in broad themes and set in context with related literature and previously published JCMR papers to guide continuity of thought within the journal. In addition, as in the past two years, I have used this publication to also convey information regarding the editorial process and as a "State of our JCMR."This is the 12th year of JCMR as an open-access publication with BMC (formerly known as Biomed Central). The timing of the JCMR transition to the open access platform was "ahead of the curve" and a tribute to the vision of Dr. Matthias Friedrich, the SCMR Publications Committee Chair and Dr. Dudley Pennell, the JCMR editor-in-chief at the time. The open-access system has dramatically increased the reading and citation of JCMR publications and I hope that you, our authors, will continue to send your very best, high quality manuscripts to JCMR for consideration. It takes a village to run a journal and I thank our very dedicated Associate Editors, Guest Editors, Reviewers for their efforts to ensure that the review process occurs in a timely and responsible manner. These efforts have allowed the JCMR to continue as the premier journal of our field. This entire process would also not be possible without the dedication and efforts of our managing editor, Diana Gethers. Finally, I thank you for entrusting me with the editorship of the JCMR as I begin my 4th year as your editor-in-chief. It has been a tremendous experience for me and the opportunity to review manuscripts that reflect the best in our field remains a great joy and highlight of my week!
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Affiliation(s)
- Warren J Manning
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
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7
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Whitaker J, Neji R, Byrne N, Puyol-Antón E, Mukherjee RK, Williams SE, Chubb H, O’Neill L, Razeghi O, Connolly A, Rhode K, Niederer S, King A, Tschabrunn C, Anter E, Nezafat R, Bishop MJ, O’Neill M, Razavi R, Roujol S. Improved co-registration of ex-vivo and in-vivo cardiovascular magnetic resonance images using heart-specific flexible 3D printed acrylic scaffold combined with non-rigid registration. J Cardiovasc Magn Reson 2019; 21:62. [PMID: 31597563 PMCID: PMC6785908 DOI: 10.1186/s12968-019-0574-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 09/02/2019] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Ex-vivo cardiovascular magnetic resonance (CMR) imaging has played an important role in the validation of in-vivo CMR characterization of pathological processes. However, comparison between in-vivo and ex-vivo imaging remains challenging due to shape changes occurring between the two states, which may be non-uniform across the diseased heart. A novel two-step process to facilitate registration between ex-vivo and in-vivo CMR was developed and evaluated in a porcine model of chronic myocardial infarction (MI). METHODS Seven weeks after ischemia-reperfusion MI, 12 swine underwent in-vivo CMR imaging with late gadolinium enhancement followed by ex-vivo CMR 1 week later. Five animals comprised the control group, in which ex-vivo imaging was undertaken without any support in the LV cavity, 7 animals comprised the experimental group, in which a two-step registration optimization process was undertaken. The first step involved a heart specific flexible 3D printed scaffold generated from in-vivo CMR, which was used to maintain left ventricular (LV) shape during ex-vivo imaging. In the second step, a non-rigid co-registration algorithm was applied to align in-vivo and ex-vivo data. Tissue dimension changes between in-vivo and ex-vivo imaging were compared between the experimental and control group. In the experimental group, tissue compartment volumes and thickness were compared between in-vivo and ex-vivo data before and after non-rigid registration. The effectiveness of the alignment was assessed quantitatively using the DICE similarity coefficient. RESULTS LV cavity volume changed more in the control group (ratio of cavity volume between ex-vivo and in-vivo imaging in control and experimental group 0.14 vs 0.56, p < 0.0001) and there was a significantly greater change in the short axis dimensions in the control group (ratio of short axis dimensions in control and experimental group 0.38 vs 0.79, p < 0.001). In the experimental group, prior to non-rigid co-registration the LV cavity contracted isotropically in the ex-vivo condition by less than 20% in each dimension. There was a significant proportional change in tissue thickness in the healthy myocardium (change = 29 ± 21%), but not in dense scar (change = - 2 ± 2%, p = 0.034). Following the non-rigid co-registration step of the process, the DICE similarity coefficients for the myocardium, LV cavity and scar were 0.93 (±0.02), 0.89 (±0.01) and 0.77 (±0.07) respectively and the myocardial tissue and LV cavity volumes had a ratio of 1.03 and 1.00 respectively. CONCLUSIONS The pattern of the morphological changes seen between the in-vivo and the ex-vivo LV differs between scar and healthy myocardium. A 3D printed flexible scaffold based on the in-vivo shape of the LV cavity is an effective strategy to minimize morphological changes in the ex-vivo LV. The subsequent non-rigid registration step further improved the co-registration and local comparison between in-vivo and ex-vivo data.
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Affiliation(s)
- John Whitaker
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Radhouene Neji
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
- Siemens Healthcare Limited, Frimley, UK
| | - Nicholas Byrne
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
- Medical Physics, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK
| | - Esther Puyol-Antón
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Rahul K. Mukherjee
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Steven E. Williams
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Henry Chubb
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Louisa O’Neill
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Orod Razeghi
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Adam Connolly
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Kawal Rhode
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Steven Niederer
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Andrew King
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Cory Tschabrunn
- Cardiology Department, University of Pennsylvania, Philadelphia, PA USA
| | - Elad Anter
- Cardiology Department, Beth Israel Deaconess Medical Centre / Harvard Medical School, Boston, MA USA
| | - Reza Nezafat
- Cardiology Department, Beth Israel Deaconess Medical Centre / Harvard Medical School, Boston, MA USA
| | - Martin J. Bishop
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Mark O’Neill
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Reza Razavi
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
| | - Sébastien Roujol
- School of Biomedical Engineering and Imaging Sciences, King’s College, London, Fourth Floor Lambeth Wing, St Thomas’ Hospital, London, SE1 7EH UK
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Nordlund D, Xanthis C, Bidhult S, Jablonowski R, Kanski M, Kopic S, Carlsson M, Engblom H, Aletras AH, Arheden H. Measuring extracellular volume fraction by MRI: First verification of values given by clinical sequences. Magn Reson Med 2019; 83:662-672. [PMID: 31418490 PMCID: PMC6900009 DOI: 10.1002/mrm.27938] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 07/15/2019] [Accepted: 07/16/2019] [Indexed: 12/12/2022]
Abstract
Purpose To verify MR measurements of myocardial extracellular volume fraction (ECV) based on clinically applicable T1‐mapping sequences against ECV measurements by radioisotope tracer in pigs and to relate the results to those obtained in volunteers. Methods Between May 2016 and March 2017, 8 volunteers (25 ± 4 years, 3 female) and 8 pigs (4 female) underwent ECV assessment with SASHA, MOLLI5(3b)3, MOLLI5(3s)3, and MOLLI5s(3s)3s. Myocardial ECV was measured independently in pigs using a radioisotope tracer method. Results In pigs, ECV in normal myocardium was not different between radioisotope (average ± standard deviation; 19 ± 2%) and SASHA (21 ± 2%; P = 0.086). ECV was higher by MOLLI5(3b)3 (26 ± 2%), MOLLI5(3s)3 (25 ± 2%), and MOLLI5s(3s)3s (25 ± 2%) compared with SASHA or radioisotope (P ≤ 0.001 for all). ECV in volunteers was higher by MOLLI5(3b)3 (26 ± 3%) and MOLLI5(3s)3 (26 ± 3%) than by SASHA (22 ± 3%; P = 0.022 and P = 0.033). No difference was found between MOLLI5s(3s)3s (25 ± 3%) and SASHA (P = 0.225). Native T1 of blood and myocardium as well as postcontrast T1 of myocardium was consistently lower using MOLLI compared with SASHA. ECV increased over time as measured by MOLLI5(3b)3 and MOLLI5(3s)3 for pigs (0.08% and 0.07%/min; P = 0.004 and P = 0.013) and by MOLLI5s(3s)3s for volunteers (0.07%/min; P = 0.032) but did not increase as measured by SASHA. Conclusion Clinically available MOLLI and SASHA techniques can be used to accurately estimate ECV in normal myocardium where MOLLI‐sequences show minor overestimation driven by underestimation of postcontrast T1 when compared with SASHA. The timing of imaging after contrast administration affected the measurement of ECV using some variants of the MOLLI sequence.
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Affiliation(s)
- David Nordlund
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Christos Xanthis
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden.,Laboratory of Computing and Medical Informatics, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sebastian Bidhult
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden.,Department of Biomedical Engineering, Faculty of Engineering, Lund University, Lund, Sweden
| | - Robert Jablonowski
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Mikael Kanski
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Sascha Kopic
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Marcus Carlsson
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Henrik Engblom
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
| | - Anthony H Aletras
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden.,Laboratory of Computing and Medical Informatics, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Håkan Arheden
- Department of Clinical Physiology, Clinical Sciences, Lund University and Lund University Hospital, Lund, Sweden
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9
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Ibanez B, Aletras AH, Arai AE, Arheden H, Bax J, Berry C, Bucciarelli-Ducci C, Croisille P, Dall'Armellina E, Dharmakumar R, Eitel I, Fernández-Jiménez R, Friedrich MG, García-Dorado D, Hausenloy DJ, Kim RJ, Kozerke S, Kramer CM, Salerno M, Sánchez-González J, Sanz J, Fuster V. Cardiac MRI Endpoints in Myocardial Infarction Experimental and Clinical Trials: JACC Scientific Expert Panel. J Am Coll Cardiol 2019; 74:238-256. [PMID: 31296297 PMCID: PMC7363031 DOI: 10.1016/j.jacc.2019.05.024] [Citation(s) in RCA: 220] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 05/15/2019] [Indexed: 02/07/2023]
Abstract
After a reperfused myocardial infarction (MI), dynamic tissue changes occur (edema, inflammation, microvascular obstruction, hemorrhage, cardiomyocyte necrosis, and ultimately replacement by fibrosis). The extension and magnitude of these changes contribute to long-term prognosis after MI. Cardiac magnetic resonance (CMR) is the gold-standard technique for noninvasive myocardial tissue characterization. CMR is also the preferred methodology for the identification of potential benefits associated with new cardioprotective strategies both in experimental and clinical trials. However, there is a wide heterogeneity in CMR methodologies used in experimental and clinical trials, including time of post-MI scan, acquisition protocols, and, more importantly, selection of endpoints. There is a need for standardization of these methodologies to improve the translation into a real clinical benefit. The main objective of this scientific expert panel consensus document is to provide recommendations for CMR endpoint selection in experimental and clinical trials based on pathophysiology and its association with hard outcomes.
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Affiliation(s)
- Borja Ibanez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; CIBERCV, Madrid, Spain; Cardiology Department, IIS Fundación Jiménez Díaz Hospital, Madrid, Spain.
| | - Anthony H Aletras
- Laboratory of Computing, Medical Informatics and Biomedical-Imaging Technologies, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece; Lund University, Department of Clinical Sciences Lund, Clinical Physiology, Skane University Hospital, Lund, Sweden
| | - Andrew E Arai
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Hakan Arheden
- Lund University, Department of Clinical Sciences Lund, Clinical Physiology, Skane University Hospital, Lund, Sweden
| | - Jeroen Bax
- Department of Cardiology, Heart Lung Center, Leiden University Medical Center, Leiden, the Netherlands
| | - Colin Berry
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, and Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - Chiara Bucciarelli-Ducci
- Bristol Heart Institute, Bristol NIHR Cardiovascular Research Centre, University of Bristol and University Hospitals Bristol NHS Trust, Bristol, United Kingdom
| | - Pierre Croisille
- University Lyon, UJM-Saint-Etienne, INSA, CNRS UMR 5520, INSERM U1206, CREATIS, F-42023, Saint-Etienne, France
| | - Erica Dall'Armellina
- Leeds Institute of Cardiovascular and Metabolic Medicine, Department of Biomedical Imaging Sciences, University of Leeds, Leeds, United Kingdom
| | - Rohan Dharmakumar
- Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, and Division of Cardiology, Department of Medicine, University of California, Los Angeles, California
| | - Ingo Eitel
- University Heart Center Lübeck, Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) and German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Rodrigo Fernández-Jiménez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; CIBERCV, Madrid, Spain; Cardiology Department, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Matthias G Friedrich
- Departments of Medicine & Diagnostic Radiology, McGill University, Montreal, Quebec, Canada; Department of Medicine, Heidelberg University, Heidelberg, Germany
| | - David García-Dorado
- CIBERCV, Madrid, Spain; Vall d'Hebron University Hospital and Research Institute, Universtat Autònoma de Barcelona, Barcelona, Spain
| | - Derek J Hausenloy
- Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School, National Heart Research Institute Singapore, National Heart Centre, Yong Loo Lin School of Medicine, National University Singapore, Singapore; The Hatter Cardiovascular Institute, University College London, and The National Institute of Health Research University College London Hospitals Biomedical Research Centre, Research & Development, London, United Kingdom; Tecnologico de Monterrey, Centro de Biotecnologia-FEMSA, Nuevo Leon, Mexico
| | - Raymond J Kim
- Duke Cardiovascular Magnetic Resonance Center, Division of Cardiology, and Department of Radiology, Duke University Medical Center, Durham, North Carolina
| | - Sebastian Kozerke
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Christopher M Kramer
- Departments of Medicine and Radiology, University of Virginia Health System, Charlottesville, Virginia
| | - Michael Salerno
- Departments of Medicine and Radiology, University of Virginia Health System, Charlottesville, Virginia
| | | | - Javier Sanz
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; Cardiology Department, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Valentin Fuster
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; Cardiology Department, Icahn School of Medicine at Mount Sinai, New York, New York.
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10
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Cholet C, Damy T, Legou F, Kobeiter H, Rahmouni A, Deux JF. Quantification of Myocardial Enhancement on Cine-MRI: Diagnostic Value in Cardiac Amyloidosis. Acad Radiol 2019; 26:e98-e107. [PMID: 30072291 DOI: 10.1016/j.acra.2018.06.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 06/25/2018] [Accepted: 06/25/2018] [Indexed: 01/15/2023]
Abstract
RATIONALE AND OBJECTIVES Diagnosis of cardiac amyloidosis (CA) on cardiac magnetic resonance (CMR) can be challenging and quantitative indexes are relevant to further characterize the myocardium. We hypothesize that the relative myocardial enhancement measured from pre and post contrast cine imaging provides diagnostic information for CA in the setting of left ventricular hypertrophy (LVH). MATERIALS AND METHODS Patients with LVH referred to our center and control subjects with normal CMR were retrospectively included. Percentage of myocardial enhancement (percentage ME) was obtained from pre and post contrast (5 minutes) cine sequences. Post contrast myocardial T1 and LGE extent were also recorded. RESULTS Twenty-one patients with CA, 25 patients with non-amyloid left ventricular myocardial hypertrophy (CH) and 20 controls with normal CMR were analyzed. Percentage ME was significantly higher in CA patients (200% (174-238)) than in CH patients (122% (88-151); p = 0.0001) and control patients (104% (90-149); p = 0.0001). Percentage ME was significantly correlated with the LGE extent (Rho Spearman coefficient = 0.66; p = 0.0001) and with the post contrast myocardial T1 (Rho Spearman coefficient = -0.61; p = 0.0001). With a cutoff value of 152%, the sensitivity and specificity of percentage ME for detection of CA were 90% and 80%, respectively. CONCLUSION Percentage ME obtained from pre and post contrast cine imaging is correlated to LGE extent and myocardial T1 and may represent an additional diagnostic parameter to consider CA in patients with LVH.
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Affiliation(s)
- Clément Cholet
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France.
| | - Thibaud Damy
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service de Cardiologie, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France; Université Paris-Est Créteil (UPEC), Créteil, 94010, France; GRC Amyloid Research Institute and Réseau Amylose Mondor, CHU Henri Mondor, UPEC, Créteil, 94010, France; DHU, ATVB, UPEC, Créteil, 94010, France.
| | - François Legou
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France.
| | - Hicham Kobeiter
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France; Université Paris-Est Créteil (UPEC), Créteil, 94010, France; DHU, ATVB, UPEC, Créteil, 94010, France.
| | - Alain Rahmouni
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France; Université Paris-Est Créteil (UPEC), Créteil, 94010, France.
| | - Jean-François Deux
- Assistance Publique - Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, Créteil, 94010, France; Université Paris-Est Créteil (UPEC), Créteil, 94010, France; GRC Amyloid Research Institute and Réseau Amylose Mondor, CHU Henri Mondor, UPEC, Créteil, 94010, France; DHU, ATVB, UPEC, Créteil, 94010, France.
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11
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Bulluck H, Dharmakumar R, Arai AE, Berry C, Hausenloy DJ. Cardiovascular Magnetic Resonance in Acute ST-Segment-Elevation Myocardial Infarction: Recent Advances, Controversies, and Future Directions. Circulation 2019; 137:1949-1964. [PMID: 29712696 DOI: 10.1161/circulationaha.117.030693] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although mortality after ST-segment elevation myocardial infarction (MI) is on the decline, the number of patients developing heart failure as a result of MI is on the rise. Apart from timely reperfusion by primary percutaneous coronary intervention, there is currently no established therapy for reducing MI size. Thus, new cardioprotective therapies are required to improve clinical outcomes after ST-segment-elevation MI. Cardiovascular magnetic resonance has emerged as an important imaging modality for assessing the efficacy of novel therapies for reducing MI size and preventing subsequent adverse left ventricular remodeling. The recent availability of multiparametric mapping cardiovascular magnetic resonance imaging has provided new insights into the pathophysiology underlying myocardial edema, microvascular obstruction, intramyocardial hemorrhage, and changes in the remote myocardial interstitial space after ST-segment-elevation MI. In this article, we provide an overview of the recent advances in cardiovascular magnetic resonance imaging in reperfused patients with ST-segment-elevation MI, discuss the controversies surrounding its use, and explore future applications of cardiovascular magnetic resonance in this setting.
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Affiliation(s)
- Heerajnarain Bulluck
- Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, United Kingdom (H.B., D.J.H.).,Royal Papworth Hospital, Cambridge, United Kingdom (H.B.)
| | - Rohan Dharmakumar
- Biomedical Imaging Research Institute and Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA (R.D.).,Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (R.D.)
| | - Andrew E Arai
- Laboratory for Advanced Cardiovascular Imaging, National Heart, Lung, and Blood Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, MD (A.E.A.)
| | - Colin Berry
- British Heart Foundation Glasgow Cardiovascular Research Center, Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom (C.B.)
| | - Derek J Hausenloy
- Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, United Kingdom (H.B., D.J.H.). .,National Institute of Health Research University College London Hospitals Biomedical Research Centre, United Kingdom (D.J.H.).,Barts Heart Centre, St. Bartholomew's Hospital, London, United Kingdom (D.J.H.).,National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore (D.J.H.).,Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore, Singapore (D.J.H.).,Yong Loo Lin School of Medicine, National University Singapore, Singapore (D.J.H.)
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12
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Bulluck H, Chowdhury N, Lim MX, Allen JC, Bryant JA, Chan MY, Chan MHH, Chin CWL, Ho HH, Lim ST, Tan RS, Tan JW, Wong PE, Yeo KK, Cook SA, Hausenloy DJ. Feasibility to Perform T 2 * Mapping Postcontrast Administration in Reperfused STEMI Patients for the Detection of Intramyocardial Hemorrhage. J Magn Reson Imaging 2019; 51:644-645. [PMID: 31087614 DOI: 10.1002/jmri.26779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/22/2019] [Accepted: 04/22/2019] [Indexed: 11/12/2022] Open
Affiliation(s)
- Heerajnarain Bulluck
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Department of Cardiology, Norfolk and Norwich University Hospital, Norwich, UK
| | - Nazia Chowdhury
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Program, Duke-National University Singapore Medical School, Singapore, Singapore
| | - Mei Xing Lim
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Program, Duke-National University Singapore Medical School, Singapore, Singapore
| | - John C Allen
- Centre for Quantitative Medicine, Office of Clinical Sciences, Duke-National University of Singapore, Singapore
| | - Jennifer A Bryant
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Mark Y Chan
- Department of Cardiology, National University Heart Centre, Singapore, Singapore
| | - Mervyn H H Chan
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Program, Duke-National University Singapore Medical School, Singapore, Singapore
| | - Calvin W L Chin
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Hee Hwa Ho
- Department of Cardiology, Tan Tock Seng Hospital, Singapore, Singapore
| | - Soo T Lim
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Ru-San Tan
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Jack W Tan
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Philip E Wong
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Khung K Yeo
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Stuart A Cook
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - Derek J Hausenloy
- Department of Cardiology, National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore.,Cardiovascular and Metabolic Disorders Program, Duke-National University Singapore Medical School, Singapore, Singapore.,The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, UK.,The National Institute of Health Research University College London Hospitals Biomedical Research Centre, London, UK.,Tecnologico de Monterrey, Centro de Biotecnologia-FEMSA, Nuevo Leon, Mexico.,Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
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13
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Hansen ESS, Pedersen SF, Pedersen SB, Bøtker HE, Kim WY. Validation of contrast enhanced cine steady-state free precession and T2-weighted CMR for assessment of ischemic myocardial area-at-risk in the presence of reperfusion injury. Int J Cardiovasc Imaging 2019; 35:1039-1045. [DOI: 10.1007/s10554-019-01569-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/21/2019] [Indexed: 11/27/2022]
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14
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Seemann F, Arvidsson P, Nordlund D, Kopic S, Carlsson M, Arheden H, Heiberg E. Noninvasive Quantification of Pressure-Volume Loops From Brachial Pressure and Cardiovascular Magnetic Resonance. Circ Cardiovasc Imaging 2019; 12:e008493. [DOI: 10.1161/circimaging.118.008493] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Felicia Seemann
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
- Department of Biomedical Engineering (F.S., E.H.), Lund University, Sweden
| | - Per Arvidsson
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
| | - David Nordlund
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
| | - Sascha Kopic
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
| | - Marcus Carlsson
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
| | - Håkan Arheden
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
| | - Einar Heiberg
- Department of Clinical Physiology, Lund University, Skåne University Hospital (F.S., P.A., D.N., S.K., M.C., H.A., E.H.)
- Department of Biomedical Engineering (F.S., E.H.), Lund University, Sweden
- Wallenberg Center for Molecular Medicine (E.H.), Lund University, Sweden
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15
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Manning WJ. Journal of Cardiovascular Magnetic Resonance 2017. J Cardiovasc Magn Reson 2018; 20:89. [PMID: 30593280 PMCID: PMC6309095 DOI: 10.1186/s12968-018-0518-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 12/06/2018] [Indexed: 02/07/2023] Open
Abstract
There were 106 articles published in the Journal of Cardiovascular Magnetic Resonance (JCMR) in 2017, including 92 original research papers, 3 reviews, 9 technical notes, and 1 Position paper, 1 erratum and 1 correction. The volume was similar to 2016 despite an increase in manuscript submissions to 405 and thus reflects a slight decrease in the acceptance rate to 26.7%. The quality of the submissions continues to be high. The 2017 JCMR Impact Factor (which is published in June 2018) was minimally lower at 5.46 (vs. 5.71 for 2016; as published in June 2017), which is the second highest impact factor ever recorded for JCMR. The 2017 impact factor means that an average, each JCMR paper that were published in 2015 and 2016 was cited 5.46 times in 2017.In accordance with Open-Access publishing of Biomed Central, the JCMR articles are published on-line in continuus fashion and in the chronologic order of acceptance, with no collating of the articles into sections or special thematic issues. For this reason, over the years, the Editors have felt that it is useful to annually summarize the publications into broad areas of interest or theme, so that readers can view areas of interest in a single article in relation to each other and other contemporary JCMR articles. In this publication, the manuscripts are presented in broad themes and set in context with related literature and previously published JCMR papers to guide continuity of thought within the journal. In addition, I have elected to use this format to convey information regarding the editorial process to the readership.I hope that you find the open-access system increases wider reading and citation of your papers, and that you will continue to send your very best, high quality manuscripts to JCMR for consideration. I thank our very dedicated Associate Editors, Guest Editors, and Reviewers for their efforts to ensure that the review process occurs in a timely and responsible manner and that the JCMR continues to be recognized as the forefront journal of our field. And finally, I thank you for entrusting me with the editorship of the JCMR as I begin my 3rd year as your editor-in-chief. It has been a tremendous learning experience for me and the opportunity to review manuscripts that reflect the best in our field remains a great joy and highlight of my week!
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Affiliation(s)
- Warren J Manning
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA.
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16
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Rapacchi S, Troalen T, Bentatou Z, Quemeneur M, Guye M, Bernard M, Jacquier A, Kober F. Simultaneous multi‐slice cardiac cine with Fourier‐encoded self‐calibration at 7 Tesla. Magn Reson Med 2018; 81:2576-2587. [DOI: 10.1002/mrm.27593] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 10/10/2018] [Accepted: 10/13/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Stanislas Rapacchi
- Aix Marseille Univ, CNRS, CRMBM Marseille France
- APHM, Hôpital Universitaire Timone, CEMEREM Marseille France
| | | | | | - Morgane Quemeneur
- Aix Marseille Univ, CNRS, CRMBM Marseille France
- APHM, Hôpital Universitaire Timone, CEMEREM Marseille France
| | - Maxime Guye
- Aix Marseille Univ, CNRS, CRMBM Marseille France
- APHM, Hôpital Universitaire Timone, CEMEREM Marseille France
| | | | - Alexis Jacquier
- Aix Marseille Univ, CNRS, CRMBM Marseille France
- Radiology Department APHM, Hôpital Universitaire Timone Marseille France
| | - Frank Kober
- Aix Marseille Univ, CNRS, CRMBM Marseille France
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17
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Almer J, Elmberg V, Bränsvik J, Nordlund D, Khoshnood A, Ringborn M, Carlsson M, Ekelund U, Engblom H. Ischemic QRS prolongation as a biomarker of myocardial injury in STEMI patients. Ann Noninvasive Electrocardiol 2018; 24:e12601. [PMID: 30265437 DOI: 10.1111/anec.12601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 08/31/2018] [Accepted: 09/04/2018] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Patients with acute coronary occlusion (ACO) may not only have ischemia-related ST-segment changes but also changes in the QRS complex. It has recently been shown in dogs that a greater ischemic QRS prolongation (IQP) during ACO is related to lower collateral flow. This suggests that greater IQP could indicate more severe ischemia and thereby more rapid infarct development. Therefore, the purpose was to evaluate the relationship between IQP and measures of myocardial injury in patients presenting with acute ST-elevation myocardial infarction (STEMI). METHODS Seventy-seven patients with first-time STEMI were retrospectively included from the recently published SOCCER trial. All patients underwent a cardiac magnetic resonance (CMR) examination 2-6 days after the acute event. Infarct size (IS), myocardium at risk (MaR), and myocardial salvage index (MSI) were assessed and related to IQP. IQP measures assessed were; computer-generated QRS duration, QRS duration at maximum ST deviation, absolute IQP and relative IQP, all derived from a pre-PCI, 12-lead ECG. RESULTS Median absolute IQP was 10 ms (range 0-115 ms). There were no statistically significant correlations between measures of IQP and any of the CMR measures of myocardial injury (absolute IQP vs IS, r = 0.03, p = 0.80; MaR, r = -0.01, p = 0.89; MSI, r = -0.05, p = 0.68). CONCLUSIONS Unlike previous experimental studies, the IQP was limited in patients presenting at the emergency room with first-time STEMI and no correlation was found between IQP and CMR variables of myocardial injury in these patients. Therefore, IQP does not seem to be a suitable biomarker for triaging patients in this clinical context.
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Affiliation(s)
- Jakob Almer
- Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | - Viktor Elmberg
- Department of Clinical Physiology, Blekingesjukhuset, Karlskrona, Sweden
| | - Josef Bränsvik
- Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | - David Nordlund
- Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | - Ardavan Khoshnood
- Department of Emergency Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | | | - Marcus Carlsson
- Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | - Ulf Ekelund
- Department of Emergency Medicine, Skåne University Hospital and Lund University, Lund, Sweden
| | - Henrik Engblom
- Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital and Lund University, Lund, Sweden
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18
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Göransson C, Ahtarovski KA, Kyhl K, Lønborg J, Nepper-Christensen L, Bertelsen L, Ghotbi AA, Schoos MM, Køber L, Høfsten D, Helqvist S, Kelbæk H, Engstrøm T, Vejlstrup N. Assessment of the myocardial area at risk: comparing T2-weighted cardiovascular magnetic resonance imaging with contrast-enhanced cine (CE-SSFP) imaging—a DANAMI3 substudy. Eur Heart J Cardiovasc Imaging 2018; 20:361-366. [DOI: 10.1093/ehjci/jey106] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 05/01/2018] [Accepted: 07/04/2018] [Indexed: 12/16/2022] Open
Affiliation(s)
- Christoffer Göransson
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Kiril Aleksov Ahtarovski
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Kasper Kyhl
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Jacob Lønborg
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Lars Nepper-Christensen
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Litten Bertelsen
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Adam Ali Ghotbi
- Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Mikkel Malby Schoos
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Lars Køber
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Dan Høfsten
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Steffen Helqvist
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Henning Kelbæk
- Department of Cardiology, Zealand University Hospital, Sygehusvej 10, Roskilde, Denmark
| | - Thomas Engstrøm
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
| | - Niels Vejlstrup
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Copenhagen, Denmark
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19
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Allencherril J, Fakhri Y, Engblom H, Heiberg E, Carlsson M, Dubois-Rande JL, Halvorsen S, Hall TS, Larsen AI, Jensen SE, Arheden H, Atar D, Clemmensen P, Ripa MS, Birnbaum Y. The significance of ST-elevation in aVL in anterolateral myocardial infarction: An assessment by cardiac magnetic resonance imaging. Ann Noninvasive Electrocardiol 2018; 23:e12580. [PMID: 29971868 DOI: 10.1111/anec.12580] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 06/06/2018] [Accepted: 06/09/2018] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Anterolateral myocardial infarction (MI) is traditionally defined on the electrocardiogram by ST-elevation (STE) in I, aVL, and the precordial leads. Traditional literature holds STE in lead aVL to be associated with occlusion proximal to the first diagonal branch of the left anterior descending coronary artery. However, concomitant ischemia of the inferior myocardium may theoretically lead to attenuation of STE in aVL. We compared segmental distribution of myocardial area at risk (MaR) in patients with and without STE in aVL. METHODS We identified patients in the MITOCARE study presenting with a first acute MI and new STE in two contiguous anterior leads from V1 to V6 , with or without aVL STE. Patients underwent cardiac magnetic resonance imaging 3-5 days after acute infarction for quantitative assessment of MaR. RESULTS A total of 32 patients met inclusion criteria; 13 patients with and 19 without STE in lead aVL. MaR > 20% at the basal anterior segment was seen in 54% of patients with aVL STE, and 11% of those without (p = 0.011). MaR > 20% at the apical inferior segment was seen in 62% and 95% of patients with and without aVL STE, respectively (p = 0.029). The total MaR was not different between groups (44% ± 10% and 39% ± 8.3% respectively, p = 0.15). CONCLUSION Patients with anterior STEMI and concomitant STE in aVL have less MaR in the apical inferior segment and more MaR in the basal anterior segment.
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Affiliation(s)
| | - Yama Fakhri
- Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Department of Medicine, Nykøbing F Hospital, Nykøbing F, Denmark
| | - Henrik Engblom
- Department of Clinical Physiology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Einar Heiberg
- Department of Clinical Physiology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Marcus Carlsson
- Department of Clinical Physiology, Skåne University Hospital, Lund University, Lund, Sweden
| | | | - Sigrun Halvorsen
- Department of Cardiology B, Faculty of Medicine, Oslo University Hospital Ullevål, University of Oslo, Oslo, Norway
| | - Trygve S Hall
- Department of Cardiology B, Faculty of Medicine, Oslo University Hospital Ullevål, University of Oslo, Oslo, Norway
| | - Alf-Inge Larsen
- Department of Cardiology, Stavanger University Hospital, Stavanger, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Svend Eggert Jensen
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Hakan Arheden
- Department of Clinical Physiology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Dan Atar
- Department of Cardiology B, Faculty of Medicine, Oslo University Hospital Ullevål, University of Oslo, Oslo, Norway
| | - Peter Clemmensen
- Department of Medicine, Nykøbing F Hospital, Nykøbing F, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Department of General and Interventional Cardiology, University Heart Center Hamburg-Eppendorf, Hamburg, Germany
| | - Maria Sejersten Ripa
- Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Yochai Birnbaum
- Section of Cardiology, Baylor College of Medicine, Houston, Texas
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Bulluck H, Hammond-Haley M, Fontana M, Knight DS, Sirker A, Herrey AS, Manisty C, Kellman P, Moon JC, Hausenloy DJ. Quantification of both the area-at-risk and acute myocardial infarct size in ST-segment elevation myocardial infarction using T1-mapping. J Cardiovasc Magn Reson 2017; 19:57. [PMID: 28764773 PMCID: PMC5539889 DOI: 10.1186/s12968-017-0370-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 07/04/2017] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND A comprehensive cardiovascular magnetic resonance (CMR) in reperfused ST-segment myocardial infarction (STEMI) patients can be challenging to perform and can be time-consuming. We aimed to investigate whether native T1-mapping can accurately delineate the edema-based area-at-risk (AAR) and post-contrast T1-mapping and synthetic late gadolinium (LGE) images can quantify MI size at 1.5 T. Conventional LGE imaging and T2-mapping could then be omitted, thereby shortening the scan duration. METHODS Twenty-eight STEMI patients underwent a CMR scan at 1.5 T, 3 ± 1 days following primary percutaneous coronary intervention. The AAR was quantified using both native T1 and T2-mapping. MI size was quantified using conventional LGE, post-contrast T1-mapping and synthetic magnitude-reconstructed inversion recovery (MagIR) LGE and synthetic phase-sensitive inversion recovery (PSIR) LGE, derived from the post-contrast T1 maps. RESULTS Native T1-mapping performed as well as T2-mapping in delineating the AAR (41.6 ± 11.9% of the left ventricle [% LV] versus 41.7 ± 12.2% LV, P = 0.72; R2 0.97; ICC 0.986 (0.969-0.993); bias -0.1 ± 4.2% LV). There were excellent correlation and inter-method agreement with no bias, between MI size by conventional LGE, synthetic MagIR LGE (bias 0.2 ± 2.2%LV, P = 0.35), synthetic PSIR LGE (bias 0.4 ± 2.2% LV, P = 0.060) and post-contrast T1-mapping (bias 0.3 ± 1.8% LV, P = 0.10). The mean scan duration was 58 ± 4 min. Not performing T2 mapping (6 ± 1 min) and conventional LGE (10 ± 1 min) would shorten the CMR study by 15-20 min. CONCLUSIONS T1-mapping can accurately quantify both the edema-based AAR (using native T1 maps) and acute MI size (using post-contrast T1 maps) in STEMI patients without major cardiovascular risk factors. This approach would shorten the duration of a comprehensive CMR study without significantly compromising on data acquisition and would obviate the need to perform T2 maps and LGE imaging.
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Affiliation(s)
- Heerajnarain Bulluck
- The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, London, UK
| | - Matthew Hammond-Haley
- The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, London, UK
| | - Marianna Fontana
- National Amyloidosis Centre, University College London, Royal Free Hospital, London, UK
| | - Daniel S. Knight
- National Amyloidosis Centre, University College London, Royal Free Hospital, London, UK
| | - Alex Sirker
- The National Institute of Health Research University College London Hospitals Biomedical Research Centre, London, UK
- Barts Heart Centre, St Bartholomew’s Hospital, London, UK
| | - Anna S. Herrey
- Barts Heart Centre, St Bartholomew’s Hospital, London, UK
| | | | - Peter Kellman
- National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, USA
| | - James C. Moon
- The National Institute of Health Research University College London Hospitals Biomedical Research Centre, London, UK
- Barts Heart Centre, St Bartholomew’s Hospital, London, UK
| | - Derek J. Hausenloy
- The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, London, UK
- The National Institute of Health Research University College London Hospitals Biomedical Research Centre, London, UK
- Barts Heart Centre, St Bartholomew’s Hospital, London, UK
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore, Singapore, Singapore
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
- Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
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