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Lo Monaco M, Stankowski K, Figliozzi S, Nicoli F, Scialò V, Gad A, Lisi C, Marchini F, Dellino CM, Mollace R, Catapano F, Stefanini GG, Monti L, Condorelli G, Bertella E, Francone M. Multiparametric Mapping via Cardiovascular Magnetic Resonance in the Risk Stratification of Ventricular Arrhythmias and Sudden Cardiac Death. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:691. [PMID: 38792874 PMCID: PMC11122968 DOI: 10.3390/medicina60050691] [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: 03/26/2024] [Revised: 04/19/2024] [Accepted: 04/21/2024] [Indexed: 05/26/2024]
Abstract
Risk stratification for malignant ventricular arrhythmias and sudden cardiac death is a daunting task for physicians in daily practice. Multiparametric mapping sequences obtained via cardiovascular magnetic resonance imaging can improve the risk stratification for malignant ventricular arrhythmias by unveiling the presence of pathophysiological pro-arrhythmogenic processes. However, their employment in clinical practice is still restricted. The present review explores the current evidence supporting the association between mapping abnormalities and the risk of ventricular arrhythmias in several cardiovascular diseases. The key message is that further clinical studies are needed to test the additional value of mapping techniques beyond conventional cardiovascular magnetic resonance imaging for selecting patients eligible for an implantable cardioverter defibrillator.
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Affiliation(s)
| | - Kamil Stankowski
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | - Stefano Figliozzi
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | | | - Vincenzo Scialò
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | | | - Costanza Lisi
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
| | - Federico Marchini
- Humanitas Gavazzeni, 24125 Bergamo, Italy
- Centro Cardiologico Universitario, Azienda Ospedaliero-Universitaria Arcispedale S. Anna, 44124 Ferrara, Italy
| | - Carlo Maria Dellino
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | | | - Federica Catapano
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | - Giulio Giuseppe Stefanini
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | - Lorenzo Monti
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
| | - Gianluigi Condorelli
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
| | | | - Marco Francone
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini, 4, 20090 Pieve Emanuele, Italy
- Humanitas Research Hospital IRCCS, Via Alessandro Manzoni, 56, 20089 Rozzano, Italy
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Cardiac inflammation and fibrosis patterns in systemic sclerosis, evaluated by magnetic resonance imaging: An update. Semin Arthritis Rheum 2023; 58:152126. [PMID: 36434895 DOI: 10.1016/j.semarthrit.2022.152126] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 10/18/2022] [Accepted: 10/24/2022] [Indexed: 11/19/2022]
Abstract
Systemic sclerosis (SSc) presents high morbidity/mortality, due to internal organ fibrosis, including the heart. Cardiac magnetic resonance (CMR) can perform myocardial function and tissue characterization in the same examination. The Lake Louise criteria (LLC) can identify recent myocardial inflammation using CMR. Abnormal values include: (a) myocardial over skeletal muscle ratio in STIRT2-W images >2, (b) early gadolinium enhancement values >4, (c) epicardial/intramyocardial late gadolinium enhancement (LGE). The diagnosis of myocarditis using LLC is considered if 2/3 criteria are positive. Parametric imaging including T2, native T1 mapping and extracellular volume fraction (ECV) has been recently used to diagnose inflammatory cardiomyopathy. According to expert recommendations, myocarditis should be considered if at least 2 indices, one T2 and one T1 parameter are positive, whereas native T1 mapping and ECV assess diffuse fibrosis or oedema, even in the absence of LGE. Moreover, transmural/subendocardial fibrosis following the distribution of coronary arteries and diffuse subendocardial fibrosis not related with epicardial coronary arteries are indicative of epicardial and micro-vascular coronary artery disease, respectively. To conclude, CMR can identify acute/active myocardial inflammation and myocardial infarction using classic and parametric indices in parallel with ventricular function evaluation.
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Fotaki A, Velasco C, Prieto C, Botnar RM. Quantitative MRI in cardiometabolic disease: From conventional cardiac and liver tissue mapping techniques to multi-parametric approaches. Front Cardiovasc Med 2023; 9:991383. [PMID: 36756640 PMCID: PMC9899858 DOI: 10.3389/fcvm.2022.991383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 12/29/2022] [Indexed: 01/24/2023] Open
Abstract
Cardiometabolic disease refers to the spectrum of chronic conditions that include diabetes, hypertension, atheromatosis, non-alcoholic fatty liver disease, and their long-term impact on cardiovascular health. Histological studies have confirmed several modifications at the tissue level in cardiometabolic disease. Recently, quantitative MR methods have enabled non-invasive myocardial and liver tissue characterization. MR relaxation mapping techniques such as T1, T1ρ, T2 and T2* provide a pixel-by-pixel representation of the corresponding tissue specific relaxation times, which have been shown to correlate with fibrosis, altered tissue perfusion, oedema and iron levels. Proton density fat fraction mapping approaches allow measurement of lipid tissue in the organ of interest. Several studies have demonstrated their utility as early diagnostic biomarkers and their potential to bear prognostic implications. Conventionally, the quantification of these parameters by MRI relies on the acquisition of sequential scans, encoding and mapping only one parameter per scan. However, this methodology is time inefficient and suffers from the confounding effects of the relaxation parameters in each single map, limiting wider clinical and research applications. To address these limitations, several novel approaches have been proposed that encode multiple tissue parameters simultaneously, providing co-registered multiparametric information of the tissues of interest. This review aims to describe the multi-faceted myocardial and hepatic tissue alterations in cardiometabolic disease and to motivate the application of relaxometry and proton-density cardiac and liver tissue mapping techniques. Current approaches in myocardial and liver tissue characterization as well as latest technical developments in multiparametric quantitative MRI are included. Limitations and challenges of these novel approaches, and recommendations to facilitate clinical validation are also discussed.
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Affiliation(s)
- Anastasia Fotaki
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, United Kingdom,*Correspondence: Anastasia Fotaki,
| | - Carlos Velasco
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, United Kingdom
| | - Claudia Prieto
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, United Kingdom,School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile,Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile,Millennium Institute for Intelligent Healthcare Engineering, Santiago, Chile
| | - René M. Botnar
- School of Biomedical Engineering and Imaging Sciences, King’s College London, London, United Kingdom,School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile,Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile,Millennium Institute for Intelligent Healthcare Engineering, Santiago, Chile
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4
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Ruberg FL, Baggish AL, Hays AG, Jerosch-Herold M, Kim J, Ordovas KG, Reddy G, Shenoy C, Weinsaft JW, Woodard PK. Utilization of Cardiovascular Magnetic Resonance Imaging for Resumption of Athletic Activities Following COVID-19 Infection: An Expert Consensus Document on Behalf of the American Heart Association Council on Cardiovascular Radiology and Intervention Leadership and Endorsed by the Society for Cardiovascular Magnetic Resonance. Circ Cardiovasc Imaging 2023; 16:e014106. [PMID: 36541203 PMCID: PMC9848221 DOI: 10.1161/circimaging.122.014106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The global pandemic of COVID-19 caused by infection with SARS-CoV-2 is now entering its fourth year with little evidence of abatement. As of December 2022, the World Health Organization Coronavirus (COVID-19) Dashboard reported 643 million cumulative confirmed cases of COVID-19 worldwide and 98 million in the United States alone as the country with the highest number of cases. Although pneumonia with lung injury has been the manifestation of COVID-19 principally responsible for morbidity and mortality, myocardial inflammation and systolic dysfunction though uncommon are well-recognized features that also associate with adverse prognosis. Given the broad swath of the population infected with COVID-19, the large number of affected professional, collegiate, and amateur athletes raises concern regarding the safe resumption of athletic activity (return to play) following resolution of infection. A variety of different testing combinations that leverage ECG, echocardiography, circulating cardiac biomarkers, and cardiovascular magnetic resonance imaging have been proposed and implemented to mitigate risk. Cardiovascular magnetic resonance in particular affords high sensitivity for myocarditis but has been employed and interpreted nonuniformly in the context of COVID-19 thereby raising uncertainty as to the generalizability and clinical relevance of findings with respect to return to play. This consensus document synthesizes available evidence to contextualize the appropriate utilization of cardiovascular magnetic resonance in the return to play assessment of athletes with prior COVID-19 infection to facilitate informed, evidence-based decisions, while identifying knowledge gaps that merit further investigation.
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Affiliation(s)
- Frederick L. Ruberg
- Section of Cardiovascular Medicine, Department of Medicine, Boston University School of Medicine/Boston Medical Center, Boston, MA (F.L.R.)
| | - Aaron L. Baggish
- Cardiac Performance Program, Harvard Medical School/Massachusetts General Hospital, Boston, MA (A.L.B.)
| | - Allison G. Hays
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD (A.G.H.)
| | - Michael Jerosch-Herold
- Cardiovascular Imaging Section, Harvard Medical School/Brigham and Women’s Hospital, Boston, MA (M.J.-H.)
| | - Jiwon Kim
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine/New York Presbyterian Hospital, New York, NY (J.K., J.W.W.)
| | - Karen G. Ordovas
- Department of Radiology, University of Washington School of Medicine, Seattle, WA (K.G.O., G.R.)
| | - Gautham Reddy
- Department of Radiology, University of Washington School of Medicine, Seattle, WA (K.G.O., G.R.)
| | - Chetan Shenoy
- Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN (C.S.)
| | - Jonathan W. Weinsaft
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine/New York Presbyterian Hospital, New York, NY (J.K., J.W.W.)
| | - Pamela K. Woodard
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, Saint Louis, MO (P.K.W.)
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5
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Abstract
Myocardial inflammation occurs following activation of the cardiac immune system, producing characteristic changes in the myocardial tissue. Cardiovascular magnetic resonance is the non-invasive imaging gold standard for myocardial tissue characterization, and is able to detect image signal changes that may occur resulting from inflammation, including edema, hyperemia, capillary leak, necrosis, and fibrosis. Conventional cardiovascular magnetic resonance for the detection of myocardial inflammation and its sequela include T2-weighted imaging, parametric T1- and T2-mapping, and gadolinium-based contrast-enhanced imaging. Emerging techniques seek to image several parameters simultaneously for myocardial tissue characterization, and to depict subtle immune-mediated changes, such as immune cell activity in the myocardium and cardiac cell metabolism. This review article outlines the underlying principles of current and emerging cardiovascular magnetic resonance methods for imaging myocardial inflammation.
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Affiliation(s)
- Katharine E Thomas
- University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, United Kingdom (K.E.T., V.M.F.)
| | - Anastasia Fotaki
- Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, United Kingdom (A.F., R.M.B.)
| | - René M Botnar
- Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, United Kingdom (A.F., R.M.B.)
- Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Santiago, Chile (R.M.B.)
- Millennium Institute for Intelligent Healthcare Engineering, Santiago, Chile (R.M.B.)
| | - Vanessa M Ferreira
- University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, United Kingdom (K.E.T., V.M.F.)
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6
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Ruberg FL, Baggish AL, Hays AG, Jerosch-Herold M, Kim J, Ordovas KG, Reddy G, Shenoy C, Weinsaft JW, Woodard PK. Utilization of cardiovascular magnetic resonance (CMR) imaging for resumption of athletic activities following COVID-19 infection: an expert consensus document on behalf of the American Heart Association Council on Cardiovascular Radiology and Intervention (CVRI) Leadership and endorsed by the Society for Cardiovascular Magnetic Resonance (SCMR). J Cardiovasc Magn Reson 2022; 24:73. [PMID: 36539786 PMCID: PMC9767806 DOI: 10.1186/s12968-022-00907-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
The global pandemic of coronavirus disease 2019 (COVID-19) caused by infection with severe acute respiratory suyndrome coronavirus 2 (SARS-CoV-2) is now entering its 4th year with little evidence of abatement. As of December 2022, the World Health Organization Coronavirus (COVID-19) Dashboard reported 643 million cumulative confirmed cases of COVID-19 worldwide and 98 million in the United States alone as the country with the highest number of cases. While pneumonia with lung injury has been the manifestation of COVID-19 principally responsible for morbidity and mortality, myocardial inflammation and systolic dysfunction though uncommon are well-recognized features that also associate with adverse prognosis. Given the broad swath of the population infected with COVID-19, the large number of affected professional, collegiate, and amateur athletes raises concern regarding the safe resumption of athletic activity (return to play, RTP) following resolution of infection. A variety of different testing combinations that leverage the electrocardiogram, echocardiography, circulating cardiac biomarkers, and cardiovascular magnetic resonance (CMR) imaging have been proposed and implemented to mitigate risk. CMR in particular affords high sensitivity for myocarditis but has been employed and interpreted non-uniformly in the context of COVID-19 thereby raising uncertainty as to the generalizability and clinical relevance of findings with respect to RTP. This consensus document synthesizes available evidence to contextualize the appropriate utilization of CMR in the RTP assessment of athletes with prior COVID-19 infection to facilitate informed, evidence-based decisions, while identifying knowledge gaps that merit further investigation.
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Affiliation(s)
- Frederick L Ruberg
- Section of Cardiovascular Medicine, Department of Medicine, School of Medicine/Boston Medical Center, Boston University, 72 E Concord St, Boston, MA, 02118, USA.
| | - Aaron L Baggish
- Cardiac Performance Program, Harvard Medical School/Massachusetts General Hospital, Boston, MA, USA
| | - Allison G Hays
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Michael Jerosch-Herold
- Cardiovascular Imaging Section, Harvard Medical School/Brigham and Women's Hospital, Boston, MA, USA
| | - Jiwon Kim
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine/New York Presbyterian Hospital, New York, NY, USA
| | - Karen G Ordovas
- Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA
| | - Gautham Reddy
- Department of Radiology, University of Washington School of Medicine, Seattle, WA, USA
| | - Chetan Shenoy
- Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Jonathan W Weinsaft
- Division of Cardiology, Department of Medicine, Weill Cornell Medicine/New York Presbyterian Hospital, New York, NY, USA
| | - Pamela K Woodard
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, Saint Louis, MO, USA
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7
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Using multi-parametric quantitative MRI to screen for cardiac involvement in patients with idiopathic inflammatory myopathy. Sci Rep 2022; 12:9819. [PMID: 35701509 PMCID: PMC9198094 DOI: 10.1038/s41598-022-13858-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 05/30/2022] [Indexed: 11/08/2022] Open
Abstract
Idiopathic inflammatory myopathies (IIM) is a group of heterogeneous autoimmune systemic diseases, which not only involve skeletal muscle but also myocardium. Cardiac involvement in IIM, which eventually develops into heart failure, is difficult to identify by conventional examinations at early stage. The aim of this study was to investigate if multi-parametric cardiac magnetic resonance (CMR) imaging can screen for early cardiac involvement in IIM, compared with clinical score (Myositis Disease Activity Assessment Tool, MDAAT). Forty-nine patients of IIM, and 25 healthy control subjects with comparable age-range and sex-ratio were enrolled in this study. All subjects underwent CMR examination, and multi-slice short-axis and 4-chamber cine MRI were acquired to evaluate biventricular global circumferential strain (GCS) and global longitudinal strain (GLS). Native T1 and T2 mapping were performed, and post-contrast T1 mapping and LGE were acquired after administration of contrast. A CMR score was developed from native T1 mean and T2 mean for the identification of cardiac involvement in the IIM cohort. Using contingency tables MDAAT and CMR were compared and statistically analyzed using McNemar test. McNemar’s test revealed no significant difference between CMR score and MDAAT (p = 0.454). CMR score had potential to screen for early cardiac involvement in IIM patients, compared to MDAAT.
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O'Brien AT, Gil KE, Varghese J, Simonetti OP, Zareba KM. T2 mapping in myocardial disease: a comprehensive review. J Cardiovasc Magn Reson 2022; 24:33. [PMID: 35659266 PMCID: PMC9167641 DOI: 10.1186/s12968-022-00866-0] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 04/27/2022] [Indexed: 12/20/2022] Open
Abstract
Cardiovascular magnetic resonance (CMR) is considered the gold standard imaging modality for myocardial tissue characterization. Elevated transverse relaxation time (T2) is specific for increased myocardial water content, increased free water, and is used as an index of myocardial edema. The strengths of quantitative T2 mapping lie in the accurate characterization of myocardial edema, and the early detection of reversible myocardial disease without the use of contrast agents or ionizing radiation. Quantitative T2 mapping overcomes the limitations of T2-weighted imaging for reliable assessment of diffuse myocardial edema and can be used to diagnose, stage, and monitor myocardial injury. Strong evidence supports the clinical use of T2 mapping in acute myocardial infarction, myocarditis, heart transplant rejection, and dilated cardiomyopathy. Accumulating data support the utility of T2 mapping for the assessment of other cardiomyopathies, rheumatologic conditions with cardiac involvement, and monitoring for cancer therapy-related cardiac injury. Importantly, elevated T2 relaxation time may be the first sign of myocardial injury in many diseases and oftentimes precedes symptoms, changes in ejection fraction, and irreversible myocardial remodeling. This comprehensive review discusses the technical considerations and clinical roles of myocardial T2 mapping with an emphasis on expanding the impact of this unique, noninvasive tissue parameter.
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Affiliation(s)
- Aaron T O'Brien
- Ohio University Heritage College of Osteopathic Medicine, Athens, Ohio, USA
| | - Katarzyna E Gil
- Department of Internal Medicine, Division of Cardiovascular Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Juliet Varghese
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Orlando P Simonetti
- Department of Internal Medicine, Division of Cardiovascular Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
- Department of Radiology, The Ohio State University, Columbus, Ohio, USA
| | - Karolina M Zareba
- Department of Internal Medicine, Division of Cardiovascular Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA.
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA.
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Dolan RS, Stillman AE, Davarpanah AH. Feasibility of Hepatic T1-Mapping and Extracellular Volume Quantification on Routine Cardiac Magnetic Resonance Imaging in Patients with Infiltrative and Systemic Disorders. Acad Radiol 2022; 29 Suppl 4:S100-S109. [PMID: 34702675 DOI: 10.1016/j.acra.2021.09.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 09/05/2021] [Accepted: 09/21/2021] [Indexed: 11/29/2022]
Abstract
RATIONALE AND OBJECTIVES Cardiac magnetic resonance imaging (CMR) is commonly obtained to evaluate for myocardial infiltrative disorders and fibrosis. Pre- and post-Gadolinium contrast T1-mapping sequences are employed to estimate interstitial expansion using extracellular volume fraction (ECV). Given the proximity of the liver to the heart, T1 and ECV quantification of the liver is feasible on CMR. The purpose of this study was to evaluate for hepatic measures of fibrosis and interstitial expansion in patients with amyloidosis or systemic disease on CMR. MATERIALS AND METHODS Myocardial and hepatic native T1 values were measured retrospectively using a cardiac short axis modified Look-Locker inversion recovery sequence. Myocardial and hepatic ECV were calculated using pre- and post-contrast T1 and blood pool values according to the following formula: ECV = (Δ(1/T1) myocardium or liver and/or Δ(1/T1) blood)x(1 - hematocrit). Patients were divided into three cohorts by final diagnosis: amyloidosis, systemic disease (e.g. sarcoid, scleroderma), and controls (EF > 50, no ischemia). RESULTS Of the 135 patients who underwent CMR, 22 had cardiac amyloidosis (age 59.9 ± 12.6 yrs, 41% female), 20 had systemic disease (age 50.9 ± 13.4 yrs, 35% female), and 93 were controls (age 49.5 ± 17.3 yrs, 50% female). Myocardial T1 and ECV values were highest for patients with amyloid, second highest for systemic disease, and least for controls (T1: 1169 ± 92 vs 1101 ± 53 vs 1027 ± 73 ms, p < 0.0001; ECV: 0.47 ± 0.11 vs 0.31 ± 0.05 vs 0.27 ± 0.04, p < 0.0001). Hepatic T1 and ECV were similarly higher in patients with amyloid and systemic disease compared to controls (T1: 646 ± 101 vs 660 ± 93 vs 595 ± 58 ms, p < 0.0001; ECV: 0.38 ± 0.08 vs 0.37 ± 0.05 vs 0.31 ± 0.03, p < 0.0001). There was a positive correlation between hepatic T1 and ECV (R2 = 0.282, p < 0.0001). No patients had abnormal liver function tests or clinical liver disease. CONCLUSION Hepatic ECV quantification on CMR in patients with amyloidosis and systemic disorders is feasible. Further longitudinal investigation regarding detection of early or subclinical liver disease is warranted.
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Affiliation(s)
- Ryan S Dolan
- Department of Radiology (R.S.D., A.E.S., A.H.D.), Emory University, 1364 Clifton Road NE, Atlanta, GA 30322.
| | - Arthur E Stillman
- Department of Radiology (R.S.D., A.E.S., A.H.D.), Emory University, 1364 Clifton Road NE, Atlanta, GA 30322
| | - Amir H Davarpanah
- Department of Radiology (R.S.D., A.E.S., A.H.D.), Emory University, 1364 Clifton Road NE, Atlanta, GA 30322
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Wang J, Gao Y, Yang ZG, Guo YK, Jiang L, Shi R, Xu HY, Huang S, Li Y. Quantitative assessment of left ventricular myocardial involvement in patients with connective tissue disease: a 3.0T contrast-enhanced cardiovascular magnetic resonance study. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2022; 38:10.1007/s10554-022-02539-6. [PMID: 35284973 DOI: 10.1007/s10554-022-02539-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/23/2022] [Indexed: 11/30/2022]
Abstract
The aim of this study was to evaluate left ventricular (LV) myocardial involvement in connective tissue disease (CTD) patients using multiparemetric imaging derived from cardiovascular magnetic resonance (CMR). CMR was performed on 146 CTD patients (comprising of 74 with idiopathic inflammatory myopathy (IIM) and 72 with non-IIM) and 72 healthy controls and included measures of LV global strains [including peak strain (PS), peak systolic (PSSR) and diastolic strain rate (PDSR)], myocardial perfusion [including upslope, max signal intensity (MaxSI), and time to maximum signal intensity (TTM)], and late gadolinium enhancement (LGE) parameters. Univariable and multivariable linear regression analyses were performed to determine the association between LV deformation and microvascular perfusion, as well as LGE. Our results indicated that CTD patients had decreased global longitudinal PS (GLPS), PSSR, PDSR, and myocardial perfusion (all p < 0.017) compared with normal controls. Non-IIM patients exhibited lower LV global strain and longer TTM than IIM patients. The presence of LGE was independently associated with global radial PS (GRPS: β = - 0.165, p = 0.011) and global circumferential PS (GCPS: β = - 0.122, p = 0.022). TTM was independently correlated with GLPS (β = - 0.156, p = 0.027). GLPS was the best indicator for differentiating CTD patients from normal controls (area under curve of 0.78). This study indicated that CTD patients showed impaired LV global myocardial deformation and microvascular perfusion, and presence of LGE. Cardiac involvement might be more severe in non-IIM patients than in IIM patients. Impaired microvascular perfusion and the presence of LGE were independently associated with LV global deformation.
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Affiliation(s)
- Jin Wang
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Yue Gao
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Zhi-Gang Yang
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Ying-Kun Guo
- Department of Radiology, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Li Jiang
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Rui Shi
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Hua-Yan Xu
- Department of Radiology, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Shan Huang
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Yuan Li
- Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China.
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11
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Farrell C, Balasubramanian A, Hays AG, Hsu S, Rowe S, Zimmerman SL, Hassoun PM, Mathai SC, Mukherjee M. A Clinical Approach to Multimodality Imaging in Pulmonary Hypertension. Front Cardiovasc Med 2022; 8:794706. [PMID: 35118142 PMCID: PMC8804287 DOI: 10.3389/fcvm.2021.794706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/22/2021] [Indexed: 11/24/2022] Open
Abstract
Pulmonary hypertension (PH) is a clinical condition characterized by progressive elevations in mean pulmonary artery pressures and right ventricular dysfunction, associated with significant morbidity and mortality. For resting PH to develop, ~50-70% of the pulmonary vasculature must be affected, suggesting that even mild hemodynamic abnormalities are representative of advanced pulmonary vascular disease. The definitive diagnosis of PH is based upon hemodynamics measured by right heart catheterization; however this is an invasive and resource intense study. Early identification of pulmonary vascular disease offers the opportunity to improve outcomes by instituting therapies that slow, reverse, or potentially prevent this devastating disease. Multimodality imaging, including non-invasive modalities such as echocardiography, computed tomography, ventilation perfusion scans, and cardiac magnetic resonance imaging, has emerged as an integral tool for screening, classifying, prognosticating, and monitoring response to therapy in PH. Additionally, novel imaging modalities such as echocardiographic strain imaging, 3D echocardiography, dual energy CT, FDG-PET, and 4D flow MRI are actively being investigated to assess the severity of right ventricular dysfunction in PH. In this review, we will describe the utility and clinical application of multimodality imaging techniques across PH subtypes as it pertains to screening and monitoring of PH.
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Affiliation(s)
- Christine Farrell
- Division of Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Aparna Balasubramanian
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Allison G. Hays
- Division of Cardiology, Johns Hopkins University, Baltimore, MD, United States
| | - Steven Hsu
- Division of Cardiology, Johns Hopkins University, Baltimore, MD, United States
| | - Steven Rowe
- Division of Radiology, Johns Hopkins University, Baltimore, MD, United States
| | - Stefan L. Zimmerman
- Division of Radiology, Johns Hopkins University, Baltimore, MD, United States
| | - Paul M. Hassoun
- Division of Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Stephen C. Mathai
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Monica Mukherjee
- Division of Cardiology, Johns Hopkins University, Baltimore, MD, United States
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12
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Greulich S, Gatidis S, Gräni C, Blankstein R, Glatthaar A, Mezger K, Müller KAL, Castor T, Mahrholdt H, Häntschel M, Hetzel J, Dittmann H, Nikolaou K, Gawaz M, la Fougère C, Krumm P. Hybrid Cardiac Magnetic Resonance/Fluorodeoxyglucose Positron Emission Tomography to Differentiate Active From Chronic Cardiac Sarcoidosis. JACC Cardiovasc Imaging 2021; 15:445-456. [PMID: 34656480 DOI: 10.1016/j.jcmg.2021.08.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 08/06/2021] [Accepted: 08/26/2021] [Indexed: 12/01/2022]
Abstract
OBJECTIVES The purpose of this study was to investigate the diagnostic value of simultaneous hybrid cardiac magnetic resonance (CMR) and 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) for detection and differentiation of active (aCS) from chronic (cCS) cardiac sarcoidosis. BACKGROUND Late gadolinium enhancement (LGE) CMR and FDG-PET are both established imaging techniques for the detection of CS. However, there are limited data regarding the value of a comprehensive simultaneous hybrid CMR/FDG-PET imaging approach that includes CMR mapping techniques. METHODS Forty-three patients with biopsy-proven extracardiac sarcoidosis (median age: 48 years, interquartile range: 37-57 years, 65% male) were prospectively enrolled for evaluation of suspected CS. After dietary preparation for suppression of myocardial glucose metabolism, patients were evaluated on a 3-T hybrid PET/MR scanner. The CMR protocol included T1 and T2 mapping, myocardial function, and LGE imaging. We assumed aCS if PET and CMR (ie, LGE or T1/T2 mapping) were both positive (PET+/CMR+), cCS if PET was negative but CMR was positive (PET-/CMR+), and no CS if patients were CMR negative regardless of PET findings. RESULTS Among the 43 patients, myocardial glucose uptake was suppressed successfully in 36 (84%). Hybrid CMR/FDG-PET revealed aCS in 13 patients (36%), cCS in 5 (14%), and no CS in 18 (50%). LGE was present in 14 patients (39%); T1 mapping was abnormal in 10 (27%) and T2 mapping abnormal in 2 (6%). CS was diagnosed based on abnormal T1 mapping in 4 out of 18 CS patients (22%) who were LGE negative. PET FDG uptake was present in 17 (47%) patients. CONCLUSIONS Comprehensive simultaneous hybrid CMR/FDG-PET imaging is useful for the detection of CS and provides additional value for identifying active disease. Our results may have implications for enhanced diagnosis as well as improved identification of patients with aCS in whom anti-inflammatory therapy may be most beneficial.
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Affiliation(s)
- Simon Greulich
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Sergios Gatidis
- Department of Diagnostic and Interventional Radiology, University of Tübingen, Tübingen, Germany
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Ron Blankstein
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts; Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Andreas Glatthaar
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Katharina Mezger
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Karin A L Müller
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Tatsiana Castor
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Heiko Mahrholdt
- Department of Cardiology, Robert Bosch Medical Center, Stuttgart, Germany
| | - Maik Häntschel
- Department of Medical Oncology and Pneumology, University of Tübingen, Tübingen, Germany; Division of Pulmonology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Jürgen Hetzel
- Department of Medical Oncology and Pneumology, University of Tübingen, Tübingen, Germany; Division of Pulmonology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Helmut Dittmann
- Department of Nuclear Medicine and Clinical Molecular Imaging, University of Tübingen, Tübingen, Germany
| | - Konstantin Nikolaou
- Department of Diagnostic and Interventional Radiology, University of Tübingen, Tübingen, Germany
| | - Meinrad Gawaz
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Christian la Fougère
- Department of Nuclear Medicine and Clinical Molecular Imaging, University of Tübingen, Tübingen, Germany.
| | - Patrick Krumm
- Department of Diagnostic and Interventional Radiology, University of Tübingen, Tübingen, Germany
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13
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Markousis-Mavrogenis G, Sfikakis PP, Koutsogeorgopoulou L, Dimitroulas T, Katsifis G, Giannakopoulou A, Voulgari P, Kolovou G, Kitas GD, Mavrogeni SI. Cardiovascular Magnetic Resonance Reveals Cardiac Pathophysiology in Autoimmune Rheumatic Diseases. Mediterr J Rheumatol 2021; 32:15-20. [PMID: 34386698 PMCID: PMC8314875 DOI: 10.31138/mjr.32.1.15] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/26/2020] [Accepted: 01/15/2020] [Indexed: 02/06/2023] Open
Abstract
Background/Aims The high incidence of cardiovascular disease (CVD) in patients with autoimmune rheumatic diseases (ARDs) is the main driver towards increased mortality in this patient group. Cardiovascular magnetic resonance (CMR) can non-invasively and robustly detect CVD in ARD patients at an early stage of development. The review summarises the diagnostic information provided by CMR in ARD patients. Summary CMR uses a strong magnetic field combined with radio-frequency pulses (pulse sequences) to generate images. Firstly, balanced steady-state free precession (bSSFP) can be used for evaluating cardiac anatomy, mass, wall motion, atrial/ventricular function. Secondly, T2-weighted imaging (T2-W) can be used for oedema detection, which appears as a high signal intensity area on STIR (short tau inversion recovery) images. T2 mapping is a newer T2-W technique that can provide more optimal identification of myocardial oedema. Lastly, late gadolinium enhanced (LGE) T1-W images, taken 15 min. after injection of contrast agent, allow the detection of myocardial replacement fibrosis, which appears as a bright area in a background of black myocardium. However, LGE has inherent disadvantages for the assessment of diffuse myocardial fibrosis. Therefore, T1 mapping and extracellular volume fraction (ECV) have been developed to quantify diffuse myocardial fibrosis. Results Although multicentre studies are still missing, the CMR parameters have been extensively applied for the identification of oedema/fibrosis and treatment decision making in ARDs. Conclusions Tissue characterisation with CMR allows early and robust identification of CVD in ARD patients and contributes to personalized management in the patients.
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Affiliation(s)
| | - Petros P Sfikakis
- Joint Rheumatology, Laikon Hospital, Athens, Greece.,Department of Pathophysiology, Laikon Hospital, National Kapodistrian University of Athens, Athens, Greece
| | - Loukia Koutsogeorgopoulou
- Department of Pathophysiology, Laikon Hospital, National Kapodistrian University of Athens, Athens, Greece
| | - Theodoros Dimitroulas
- Department of Internal Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | | | | | | | - George D Kitas
- Arthritis Research UK Epidemiology Unit, Manchester University, Manchester, United Kingdom
| | - Sophie I Mavrogeni
- Onassis Cardiac Surgery Center, Athens, Greece.,Department of Pathophysiology, Laikon Hospital, National Kapodistrian University of Athens, Athens, Greece
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14
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Abstract
Hintergrund Durch die Entwicklung robuster Techniken und deren umfassender Validierung hat sich die kardiale Magnetresonanztomographie (CMR) in ihrem knapp 25-jährigen klinischen Einsatz ein breites Indikationsspektrum erarbeitet. Die Erfassung kardialer Volumina und systolischer Ventrikelfunktion sowie die Charakterisierung fokaler Myokardnarben sind heute Teil der CMR-Standard-Bildgebung. Zuletzt haben die Einführung beschleunigter Bildakquisitionstechnologien, die neuen Bildgebungsmethoden des myokardialen T1- und T2-Mappings und der 4‑D-Flussmessungen sowie die neue Postprocessing-Technik des myokardialen Feature-Trackings an Relevanz gewonnen. Methode Diese Überblicksarbeit basiert auf einer umfassenden Literaturrecherche in der PubMed-Datenbank zu neuen CMR-Techniken und ihrer klinischen Anwendung. Ergebnisse und Schlussfolgerung Dieser Artikel zeigt eine Übersicht über die neuesten technischen Entwicklungen im Bereich der CMR sowie deren Anwendungsmöglichkeiten anhand der wichtigsten klinischen Fragestellungen.
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Affiliation(s)
- A Mayr
- Universitätsklinik für Radiologie, Medizinische Universität Innsbruck, Anichstraße 35, 6020, Innsbruck, Österreich
| | - G Reiter
- Research and Development, Siemens Healthcare Diagnostics GmbH, Straßgangerstraße 315, 8054, Graz, Österreich
| | - D Beitzke
- Universitätsklinik für Radiologie und Nuklearmedizin, Medizinische Universität Wien, Währinger Gürtel 18-20, 1090, Wien, Österreich.
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15
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Snel GJH, van den Boomen M, Hernandez LM, Nguyen CT, Sosnovik DE, Velthuis BK, Slart RHJA, Borra RJH, Prakken NHJ. Cardiovascular magnetic resonance native T 2 and T 2* quantitative values for cardiomyopathies and heart transplantations: a systematic review and meta-analysis. J Cardiovasc Magn Reson 2020; 22:34. [PMID: 32393281 PMCID: PMC7212597 DOI: 10.1186/s12968-020-00627-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/16/2020] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND The clinical application of cardiovascular magnetic resonance (CMR) T2 and T2* mapping is currently limited as ranges for healthy and cardiac diseases are poorly defined. In this meta-analysis we aimed to determine the weighted mean of T2 and T2* mapping values in patients with myocardial infarction (MI), heart transplantation, non-ischemic cardiomyopathies (NICM) and hypertension, and the standardized mean difference (SMD) of each population with healthy controls. Additionally, the variation of mapping outcomes between studies was investigated. METHODS The PRISMA guidelines were followed after literature searches on PubMed and Embase. Studies reporting CMR T2 or T2* values measured in patients were included. The SMD was calculated using a random effects model and a meta-regression analysis was performed for populations with sufficient published data. RESULTS One hundred fifty-four studies, including 13,804 patient and 4392 control measurements, were included. T2 values were higher in patients with MI, heart transplantation, sarcoidosis, systemic lupus erythematosus, amyloidosis, hypertrophic cardiomyopathy (HCM), dilated cardiomyopathy (DCM) and myocarditis (SMD of 2.17, 1.05, 0.87, 1.39, 1.62, 1.95, 1.90 and 1.33, respectively, P < 0.01) compared with controls. T2 values in iron overload patients (SMD = - 0.54, P = 0.30) and Anderson-Fabry disease patients (SMD = 0.52, P = 0.17) did both not differ from controls. T2* values were lower in patients with MI and iron overload (SMD of - 1.99 and - 2.39, respectively, P < 0.01) compared with controls. T2* values in HCM patients (SMD = - 0.61, P = 0.22), DCM patients (SMD = - 0.54, P = 0.06) and hypertension patients (SMD = - 1.46, P = 0.10) did not differ from controls. Multiple CMR acquisition and patient demographic factors were assessed as significant covariates, thereby influencing the mapping outcomes and causing variation between studies. CONCLUSIONS The clinical utility of T2 and T2* mapping to distinguish affected myocardium in patients with cardiomyopathies or heart transplantation from healthy myocardium seemed to be confirmed based on this meta-analysis. Nevertheless, variation of mapping values between studies complicates comparison with external values and therefore require local healthy reference values to clinically interpret quantitative values. Furthermore, disease differentiation seems limited, since changes in T2 and T2* values of most cardiomyopathies are similar.
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Affiliation(s)
- G J H Snel
- Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
| | - M van den Boomen
- Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA, 02129, USA
| | - L M Hernandez
- Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - C T Nguyen
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA, 02129, USA
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA, 02129, USA
| | - D E Sosnovik
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA, 02129, USA
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Charlestown, MA, 02129, USA
- Division of Health Sciences and Technology, Harvard-MIT, 7 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - B K Velthuis
- Department of Radiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - R H J A Slart
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Department of Biomedical Photonic Imaging, University of Twente, Dienstweg 1, 7522 ND, Enschede, The Netherlands
| | - R J H Borra
- Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - N H J Prakken
- Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
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16
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Krumm P, Martirosian P, Rath D, Gawaz M, Nikolaou K, Klumpp BD, Hornung A, Kramer U, Schick F, Geisler T, Zitzelsberger T. Performance of two Methods for Cardiac MRI Edema Mapping: Dual-Contrast Fast Spin-Echo and T2 Prepared Balanced Steady State Free Precession. ROFO-FORTSCHR RONTG 2020; 192:669-677. [PMID: 32018303 DOI: 10.1055/a-1088-3478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PURPOSE To compare true positive and false negative results of myocardial edema mapping in two methods. Myocardial edema may be difficult to detect on cardiac MRI. MATERIALS AND METHODS 76 patients (age 59 ± 11 years, 15 female) with acute myocardial infarction (MI) and 10 healthy volunteers were prospectively included in this single-center study. 1.5 T cardiac MRI was performed in patients 2.5 days after revascularization (median) for edema mapping: Steady State Free Precession (SSFP) mapping sequence with T2-preparation pulses (T2prep); and dual-contrast Fast Spin-Echo (dcFSE) signal decay edema mapping. Late gadolinium enhancement (LGE) was used as the reference for expected edema in acute MI. RESULTS 311 myocardial segments in patients were acutely infarcted with mean T2 73 ms for T2prep SSFP vs. 87 ms for dcFSE edema mapping. In healthy volunteers the mean T2 was 56 ms for T2prep SSFP vs. 50 ms for dcFSE edema mapping. Receiver operating characteristic (ROC) curve for T2prep SSFP show area under the curve (AUC) 0.962, p < 0.0001, Youden index J 0.8266, associated criterion > 60 ms, sensitivity 94 %, specificity 89 %. dcFSE ROC AUC 0.979, p < 0.0001, J 0.9219, associated criterion > 64 ms, sensitivity 93 %, specificity 99 %. CONCLUSION Both edema mapping methods indicate high-grade edema with high sensitivity. Nevertheless, edema in acute infarction may be focally underestimated in both mapping methods. KEY POINTS · Sensitivity for edema detection is high for both methods.. · Edema may be focally underestimated by T2prep SSFP edema mapping and dcFSE mapping.. CITATION FORMAT · Krumm P, Martirosian P, Rath D et al. Performance of two Methods for Cardiac MRI Edema Mapping: Dual-Contrast Fast Spin-Echo and T2 Prepared Balanced Steady State Free Precession. Fortschr Röntgenstr 2020; 192: 669 - 677.
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Affiliation(s)
- Patrick Krumm
- Diagnostic and Interventional Radiology, University of Tübingen, Germany
| | | | - Dominik Rath
- Cardiology and Cardiovascular Medicine, University of Tübingen, Germany
| | - Meinrad Gawaz
- Cardiology and Cardiovascular Medicine, University of Tübingen, Germany
| | | | | | | | - Ulrich Kramer
- Diagnostic and Interventional Radiology, University of Tübingen, Germany
| | - Fritz Schick
- Section on Experimental Radiology, University of Tübingen, Germany
| | - Tobias Geisler
- Cardiology and Cardiovascular Medicine, University of Tübingen, Germany
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17
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Sardanelli F, Schiaffino S, Zanardo M, Secchi F, Cannaò PM, Ambrogi F, Di Leo G. Point estimate and reference normality interval of MRI-derived myocardial extracellular volume in healthy subjects: a systematic review and meta-analysis. Eur Radiol 2019; 29:6620-6633. [DOI: 10.1007/s00330-019-06185-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/04/2019] [Accepted: 03/20/2019] [Indexed: 12/11/2022]
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18
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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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19
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Saunders LC, Johns CS, Stewart NJ, Oram CJE, Capener DA, Puntmann VO, Elliot CA, Condliffe RC, Kiely DG, Graves MJ, Wild JM, Swift AJ. Diagnostic and prognostic significance of cardiovascular magnetic resonance native myocardial T1 mapping in patients with pulmonary hypertension. J Cardiovasc Magn Reson 2018; 20:78. [PMID: 30501639 PMCID: PMC6276188 DOI: 10.1186/s12968-018-0501-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 10/24/2018] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Native T1 may be a sensitive, contrast-free, non-invasive cardiovascular magnetic resonance (CMR) marker of myocardial tissue changes in patients with pulmonary artery hypertension. However, the diagnostic and prognostic value of native T1 mapping in this patient group has not been fully explored. The aim of this work was to determine whether elevation of native T1 in myocardial tissue in pulmonary hypertension: (a) varies according to pulmonary hypertension subtype; (b) has prognostic value and (c) is associated with ventricular function and interaction. METHODS Data were retrospectively collected from a total of 490 consecutive patients during their clinical 1.5 T CMR assessment at a pulmonary hypertension referral centre in 2015. Three hundred sixty-nine patients had pulmonary hypertension [58 ± 15 years; 66% female], an additional 39 had pulmonary hypertension due to left heart disease [68 ± 13 years; 60% female], 82 patients did not have pulmonary hypertension [55 ± 18; 68% female]. Twenty five healthy subjects were also recruited [58 ±4 years); 51% female]. T1 mapping was performed with a MOdified Look-Locker Inversion Recovery (MOLLI) sequence. T1 prognostic value in patients with pulmonary arterial hypertension was assessed using multivariate Cox proportional hazards regression analysis. RESULTS Patients with pulmonary artery hypertension had elevated T1 in the right ventricular (RV) insertion point (pulmonary hypertension patients: T1 = 1060 ± 90 ms; No pulmonary hypertension patients: T1 = 1020 ± 80 ms p < 0.001; healthy subjects T1 = 940 ± 50 ms p < 0.001) with no significant difference between the major pulmonary hypertension subtypes. The RV insertion point was the most successful T1 region for discriminating patients with pulmonary hypertension from healthy subjects (area under the curve = 0.863) however it could not accurately discriminate between patients with and without pulmonary hypertension (area under the curve = 0.654). T1 metrics did not contribute to prediction of overall mortality (septal: p = 0.552; RV insertion point: p = 0.688; left ventricular free wall: p = 0.258). Systolic interventricular septal angle was a significant predictor of T1 in patients with pulmonary hypertension (p < 0.001). CONCLUSIONS Elevated myocardial native T1 was found to a similar extent in pulmonary hypertension patient subgroups and is independently associated with increased interventricular septal angle. Native T1 mapping may not be of additive value in the diagnostic or prognostic evaluation of patients with pulmonary artery hypertension.
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Affiliation(s)
- Laura C. Saunders
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Chris S. Johns
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Neil J. Stewart
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, Hokudai, Japan
| | - Charlotte J. E. Oram
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - David A. Capener
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Valentina O. Puntmann
- Institute for Experimental and Translational Cardio Vascular Imaging, University Hospital Frankfurt, Frankfurt, Germany
| | - Charlie A. Elliot
- Pulmonary Vascular Disease Unit, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
| | - Robin C. Condliffe
- Pulmonary Vascular Disease Unit, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
| | - David G. Kiely
- Pulmonary Vascular Disease Unit, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
- INSIGNEO, Institute for in-silico medicine, Sheffield, UK
| | - Martin J. Graves
- University of Cambridge School of Clinical Medicine, Cambridge University, Cambridge, UK
| | - Jim M. Wild
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- INSIGNEO, Institute for in-silico medicine, Sheffield, UK
| | - Andy J. Swift
- POLARIS, Academic Radiology, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- INSIGNEO, Institute for in-silico medicine, Sheffield, UK
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20
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Mavrogeni SI, Sfikakis PP, Markousis-Mavrogenis G, Bournia VK, Poulos G, Koutsogeorgopoulou L, Karabela G, Stavropoulos E, Katsifis G, Boki K, Vartela V, Kolovou G, Theodorakis G, Kitas GD. Cardiovascular magnetic resonance imaging pattern in patients with autoimmune rheumatic diseases and ventricular tachycardia with preserved ejection fraction. Int J Cardiol 2018; 284:105-109. [PMID: 30404725 DOI: 10.1016/j.ijcard.2018.10.067] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 09/22/2018] [Accepted: 10/22/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Ventricular tachycardia/fibrillation (VT/VF) may occur in autoimmune rheumatic diseases (ARDs). We hypothesized that cardiovascular magnetic resonance (CMR) can identify arrhythmogenic substrates in ARD patients. PATIENTS - METHODS Using a 1.5 T system, we evaluated 61 consecutive patients with various types of ARDs and normal left ventricular ejection fraction (LVEF) on echocardiography. A comparison of patients with recent VT/VF and those that never experienced VT/VF was performed. CMR parameters included left and right ventricular (LV and RV) end-systolic and end-diastolic volumes (ESV and EDV), T2 signal ratio of myocardium over skeletal muscle, early/late gadolinium enhancement (EGE and LGE), T1/T2-mapping and extracellular volume fraction (ECV). RESULTS 21 (34%) patients had a history of recent, electrocardiographically identified, VT/VF. No demographic or functional CMR variables differed significantly between groups. The same was the case for T2 signal ratio and EGE/LGE. Median native T1 mapping values were significantly higher in patients with VT/VF compared to those without [1135.0 (1076.0, 1201.0) vs. 1050.0 (1025.0, 1078.0), p < 0.001], as was the case for mean T2 mapping [60.4 (6.6) vs. 55.0 (7.9), p = 0.009] and median ECV values [32.0 (30.0, 32.0) vs. 29.0 (28.0, 31.5), p = 0.001]. After multivariate corrections for age, LVEDV, LVEF, RVEDV, RVEF, T2 signal ratio, EGE and LGE, these remained significant predictors of having experienced VT/VF in the past. CONCLUSIONS T1/T2-mapping and ECV offer incremental value as identifiers of arrhythmogenic substrates in ARD patients, beyond traditionally used indices. They can thus guide implantable cardiac defibrillator (ICD) implantation in ARD patients presenting with VT/VF and normal LVEF.
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Affiliation(s)
| | - Petros P Sfikakis
- Joint Rheumatology Programme, National and Kapodistrian University of Athens Medical School, Athens, Greece.
| | | | - Vasiliki-Kalliopi Bournia
- Joint Rheumatology Programme, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | | | - Loukia Koutsogeorgopoulou
- Joint Rheumatology Programme, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | | | | | | | | | | | | | | | - George D Kitas
- Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, UK.
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Abstract
The heart is one of the major organs commonly involved in systemic sclerosis (SSc). Myocardial fibrosis has been identified in a high percentage of these patients. Most SSc patients with cardiac involvement (CI) are subclinical, especially early on in the course of their disease. To accurately identify CI and improve diagnosis and treatment, imaging techniques should be implemented on a regular basis following diagnosis. In this review, we discuss the up-to-date pathophysiologic basis of CI, the cardiac manifestations, and the diagnostic methods that have been published in the literature. Recent studies have shown that tissue Doppler imaging is a promising evaluation technique in the bedside detection of CI. Cardiovascular magnetic resonance is an operator-independent method used for detecting SSc CI. It is an especially useful tool in the early stages of the disease when patients may be asymptomatic. At present, it is the most promising imaging technique for the diagnosis, follow-up, and response to therapy in clinical practice.
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The emerging role of cardiovascular magnetic resonance imaging in the assessment of cardiac involvement in juvenile idiopathic arthritis. Rheumatol Int 2018; 38:1355-1362. [PMID: 29876652 DOI: 10.1007/s00296-018-4078-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 06/02/2018] [Indexed: 12/28/2022]
Abstract
Juvenile idiopathic arthritis (JIA) is the commonest rheumatic disease in childhood and presents several subtypes according to the ILAR classification. JIA, specifically in its systemic form, may seriously damage various structures of the cardiovascular system. Other JIA phenotypes are also of interest, as cardiovascular disease (CVD) is underestimated and understudied, but chronic systemic inflammation and risk factors remained important contributors for CVD development. The currently applied non-invasive modalities, although they are important for the initial evaluation of JIA patients, frequently fail to detect the silent, subclinical forms of CVD. Cardiovascular magnetic resonance (CMR), due to its multifaceted capability in the detection of cardiovascular disease, can offer early, reproducible, non-invasive information about cardiovascular disease in JIA, allowing risk stratification and timely initiation /modification of cardiologic and anti-rheumatic treatment. However, lack of availability/expertise and high cost still hamper its application in the clinical cardio-rheumatic practice. The aim of the current article is to present an overview of CVD in JIA emphasizing the emerging role of CMR in early diagnosis and treatment follow-up of CVD in JIA patients.
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Can cardiovascular magnetic resonance prompt early cardiovascular/rheumatic treatment in autoimmune rheumatic diseases? Current practice and future perspectives. Rheumatol Int 2018. [PMID: 29516170 DOI: 10.1007/s00296-018-4004-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Life expectancy in autoimmune rheumatic diseases (ARDs) remains lower compared to the general population, due to various comoborbidities. Cardiovascular disease (CVD) represents the main contributor to premature mortality. Conventional and biologic disease-modifying antirheumatic drugs (DMARDs) have considerably improved long-term outcomes in ARDs not only by suppressing systemic inflammation but also by lowering CVD burden. Regarding atherosclerotic disease prevention, EULAR has recommended tight disease control accompanied by regular assessment of traditional CVD risk factors and lifestyle changes. However, this approach, although rational and evidence-based, does not account for important issues such as myocardial inflammation and the long asymptomatic period that usually proceeds clinical manifestations of CVD disease in ARDs before or after the diagnosis of systemic disease. Cardiovascular magnetic resonance (CMR) can offer reliable, reproducible and operator independent information regarding myocardial inflammation, ischemia and fibrosis. Some studies suggest a role for CMR in the risk stratification of ARDs and demonstrate that oedema/fibrosis visualisation with CMR may have the potential to inform cardiac and rheumatic treatment modification in ARDs with or without abnormal routine cardiac evaluation. In this review, we discuss how CMR findings could influence anti-rheumatic treatment decisions targeting optimal control of both systemic and myocardial inflammation irrespective of clinical manifestations of cardiac disease. CMR can provide a different approach that is very promising for risk stratification and treatment modification; however, further studies are needed before the inclusion of CMR in the routine evaluation and treatment of patients with ARDs.
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Manning WJ. Review of Journal of Cardiovascular Magnetic Resonance (JCMR) 2015-2016 and transition of the JCMR office to Boston. J Cardiovasc Magn Reson 2017; 19:108. [PMID: 29284487 PMCID: PMC5747150 DOI: 10.1186/s12968-017-0423-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 12/07/2017] [Indexed: 02/06/2023] Open
Abstract
The Journal of Cardiovascular Magnetic Resonance (JCMR) is the official publication of the Society for Cardiovascular Magnetic Resonance (SCMR). In 2016, the JCMR published 93 manuscripts, including 80 research papers, 6 reviews, 5 technical notes, 1 protocol, and 1 case report. The number of manuscripts published was similar to 2015 though with a 12% increase in manuscript submissions to an all-time high of 369. This reflects a decrease in the overall acceptance rate to <25% (excluding solicited reviews). The quality of submissions to JCMR continues to be high. The 2016 JCMR Impact Factor (which is published in June 2016 by Thomson Reuters) was steady at 5.601 (vs. 5.71 for 2015; as published in June 2016), which is the second highest impact factor ever recorded for JCMR. The 2016 impact factor means that the JCMR papers that were published in 2014 and 2015 were on-average cited 5.71 times in 2016.In accordance with Open-Access publishing of Biomed Central, the JCMR articles are published on-line in the order that they are accepted 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 themes, so that readers can view areas of interest in a single article in relation to each other and other recent JCMR articles. The papers are presented in broad themes with previously published JCMR papers to guide continuity of thought in the journal. In addition, I have elected to open this publication with information for the readership regarding the transition of the JCMR editorial office to the Beth Israel Deaconess Medical Center, Boston and the editorial process.Though there is an author publication charge (APC) associated with open-access to cover the publisher's expenses, this format provides a much wider distribution/availability of the author's work and greater manuscript citation. For SCMR members, there is a substantial discount in the APC. I hope that you will continue to send your high quality manuscripts to JCMR for consideration. Importantly, I also ask that you consider referencing recent JCMR publications in your submissions to the JCMR and elsewhere as these contribute to our impact factor. I also thank our dedicated Associate Editors, Guest Editors, and reviewers for their many efforts to ensure that the review process occurs in a timely and responsible manner and that the JCMR continues to be recognized as the leading publication in our field.
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Affiliation(s)
- Warren J Manning
- From the Journal of Cardiovascular Magnetic Resonance Editorial Office and the Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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25
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Cardiac Tissue Characterization and Imaging in Autoimmune Rheumatic Diseases. JACC Cardiovasc Imaging 2017; 10:1387-1396. [DOI: 10.1016/j.jcmg.2017.08.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 08/25/2017] [Accepted: 08/29/2017] [Indexed: 02/07/2023]
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Ramalho AR, Costa S, Silva F, Donato P, Franco F, Pêgo GM. Autoimmune myocarditis in systemic sclerosis: an unusual form of scleroderma heart disease presentation. ESC Heart Fail 2017; 4:365-370. [PMID: 28772040 PMCID: PMC5542725 DOI: 10.1002/ehf2.12139] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 12/23/2016] [Accepted: 12/30/2016] [Indexed: 01/13/2023] Open
Abstract
Primary cardiac involvement in systemic sclerosis is common, often subclinical, and is associated with significant mortality. We report the case of a patient who developed autoimmune myocarditis at an early stage of systemic sclerosis, who completely recovered from cardiac dysfunction under optimal medical therapy for heart failure and immunosuppression. This challenging case aims at increasing awareness around the fact that the heart is a target organ of scleroderma disease. It also highlights the importance of screening and early diagnosis of cardiac involvement, because a timely treatment may impact the quality of life of these patients and improve their prognosis.
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Affiliation(s)
- Ana Rita Ramalho
- Coimbra Hospital and University Center, Cardiology Department, Coimbra, Portugal
| | - Susana Costa
- Coimbra Hospital and University Center, Cardiology Department, Coimbra, Portugal
| | - Francisco Silva
- Coimbra Hospital and University Center, Imaging Department, Coimbra, Portugal
| | - Paulo Donato
- Coimbra Hospital and University Center, Imaging Department, Coimbra, Portugal
| | - Fátima Franco
- Coimbra Hospital and University Center, Cardiology Department, Coimbra, Portugal
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