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Sokolska JM, Károlyi M, Hiestand DR, Gastl M, Weber L, Sokolski M, Kosmala W, Alkadhi H, Gruner C, Manka R. Myocardial Fibrosis Quantification Methods by Cardiovascular Magnetic Resonance Imaging in Patients with Fabry Disease. J Clin Med 2024; 13:5047. [PMID: 39274260 PMCID: PMC11395808 DOI: 10.3390/jcm13175047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 08/16/2024] [Accepted: 08/21/2024] [Indexed: 09/16/2024] Open
Abstract
Background/Objectives: The presence of late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) in patients with Fabry disease (FD) is a predictor of adverse cardiac events. The aim of this study was to establish the most reliable and reproducible technique for quantifying LGE in patients with FD. Methods: Twenty FD patients with LGE who underwent CMR on the same scanner and LGE sequence were included. LGE quantifications were done using gray-scale thresholds of 2, 3, 4, 5 and 6 standard deviations (SD) above the mean signal intensity of the remote myocardium, the full width at half maximum method (FWHM), visual assessment with threshold (VAT) and the fully manual method (MM). Results: The mean amount of fibrosis varied between quantification techniques from 36 ± 19 at 2SD to 2 ± 2 g using the FWHM (p < 0.0001). Intraobserver reliability was excellent for most methods, except for the FWHM which was good (ICC 0.84; all p < 0.05). Interobserver reliability was excellent for VAT (ICC 0.94) and good for other techniques (all p < 0.05). Intraobserver reproducibility showed the lowest coefficient of variation (CV, 6%) at 5SD and at 2SD and VAT (35% and 38%) for interobserver reproducibility. The FWHM revealed the highest CV (63% and 94%) for both intra- and interobserver reproducibility. Conclusions: The available methods for LGE quantification demonstrate good to excellent intra- and interobserver reproducibility in patients with FD. The most reliable and reproducible techniques were VAT and 5SD, whereas the FWHM was the least reliable in the setting of our study. The total amount of LGE varies strongly with the quantification technique used.
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Affiliation(s)
- Justyna M Sokolska
- Institute of Heart Diseases, Faculty of Medicine, Wroclaw Medical University, 50-556 Wroclaw, Poland
- University Heart Center, Department of Cardiology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Mihály Károlyi
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Dana R Hiestand
- University Heart Center, Department of Cardiology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Mareike Gastl
- Department of Cardiology, Pulmonology and Vascular Medicine, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
| | - Lucas Weber
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Mateusz Sokolski
- Institute of Heart Diseases, Faculty of Medicine, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Wojciech Kosmala
- Institute of Heart Diseases, Faculty of Medicine, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Hatem Alkadhi
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Christiane Gruner
- University Heart Center, Department of Cardiology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Robert Manka
- University Heart Center, Department of Cardiology, University Hospital Zurich, 8091 Zurich, Switzerland
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
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Burger JC, Hopman LHGA, Kemme MJB, Hoeksema W, Takx RAP, Figueras I Ventura RM, Campos FO, Plank G, Planken RN, Allaart CP, van Halm VP, Postema PG, Götte MJW, Bishop MJ, Bhagirath P. Optimizing ventricular tachycardia ablation through imaging-based assessment of arrhythmic substrate: A comprehensive review and roadmap for the future. Heart Rhythm O2 2024; 5:561-572. [PMID: 39263615 PMCID: PMC11385403 DOI: 10.1016/j.hroo.2024.07.001] [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] [Indexed: 09/13/2024] Open
Abstract
Ventricular tachycardia (VT) is a life-threatening heart rhythm and has long posed a complex challenge in the field of cardiology. Recent developments in advanced imaging modalities have aimed to improve comprehension of underlying arrhythmic substrate for VT. To this extent, high-resolution cardiac magnetic resonance (CMR) and cardiac computed tomography (CCT) have emerged as tools for accurately visualizing and characterizing scar tissue, fibrosis, and other critical structural abnormalities within the heart, providing novel insights into VT triggers and substrate. However, clinical implementation of knowledge derived from these advanced imaging techniques in improving VT treatment and guiding invasive therapeutic strategies continues to pose significant challenges. A pivotal concern lies in the absence of standardized imaging protocols and analysis methodologies, resulting in a large variance in data quality and consistency. Furthermore, the clinical significance and outcomes associated with VT substrate characterization through CMR and CCT remain dynamic and subject to ongoing evolution. This highlights the need for refinement of these techniques before their reliable integration into routine patient care can be realized. The primary objectives of this study are twofold: firstly, to provide a comprehensive overview of the studies conducted over the last 15 years, summarizing the current available literature on imaging-based assessment of VT substrate. Secondly, to critically analyze and evaluate the selected studies, with the aim of providing valuable insights that can inform current clinical practice and future research.
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Affiliation(s)
- Janneke C Burger
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Luuk H G A Hopman
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Michiel J B Kemme
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Wiert Hoeksema
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Richard A P Takx
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | | | - Fernando O Campos
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
| | - Gernot Plank
- Gottfried Schatz Research Center, Division of Biophysics, Medical University of Graz, Graz, Austria
| | - R Nils Planken
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Cornelis P Allaart
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Vokko P van Halm
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Pieter G Postema
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Marco J W Götte
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Martin J Bishop
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
| | - Pranav Bhagirath
- Department of Cardiology, Amsterdam University Medical Center, Amsterdam, The Netherlands
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
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Shi X, Zhang Z, Yin F, Liu W, Wang Y, Zhou X, Xu Y, Chen X, Zhu X. Cardiac magnetic resonance imaging (MRI) for detecting acute myocardial injury of fulminant myocarditis survivors after extracorporeal membrane oxygenation (ECMO) treatment in adults. Clin Radiol 2024; 79:589-598. [PMID: 38797607 DOI: 10.1016/j.crad.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 04/13/2024] [Accepted: 05/03/2024] [Indexed: 05/29/2024]
Abstract
AIMS To detect the acute myocardial injury in fulminant myocarditis (FM) survivors after extracorporeal membrane oxygenation (ECMO) and to demonstrate its significant differences from non-FM patients by cardiac magnetic resonance (CMR). MATERIALS AND METHODS This retrospective study enrolled 59 patients with acute myocarditis (AM), including 35 non-FM patients, 24 FM patients, and 54 controls. The peak value of cardiac troponin T (cTnT) was recorded. Tissue parameters, including native T1, extracellular volume (ECV), late gadolinium-enhancement (LGE)%, and T2 by CMR were assessed. RESULTS The mean age was 35 ± 14 years, and 45.8% of the population were males in the AM group. Patients had higher levels of peak cTnT, peak NT-proBNP and peak C-reactive protein in the FM group (all p<0.05). Comparing with non-FM, the values of T1-based imaging parameters were significantly higher in the FM group (all p<0.05). In contrast, no difference was observed among the two groups in terms of T2 value (p=0.707). The septal area was more frequently involved in FM survivors after ECMO treatment, both in T1 and T2-based images. In addition, the cubic relationship was the relative best fit of LGE% against logcTnT and indicated that cTnT value exceeding 300ng/L exhibited a rapid upward trend of LGE%. CONCLUSION Comparing to non-FM, higher myocardial necrosis and fibrosis but similar edema determined by T1 and T2 based imaging was found in FM survivors after ECMO treatment. Furthermore, the inter-ventricular septal area was more frequently involved by acute myocardial injury in FM survivors after ECMO treatment. In addition, LGE% showed an overall increasing trend with cTnT values elevating with rapidly increasing with cTnT exceeding 300 ng/L.
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Affiliation(s)
- X Shi
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China.
| | - Z Zhang
- Department of Emergency, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China.
| | - F Yin
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China.
| | - W Liu
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China
| | - Y Wang
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China
| | - X Zhou
- MR Collaboration, Siemens Healthineers, Shanghai, China
| | - Y Xu
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China
| | - X Chen
- Department of Emergency, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China.
| | - X Zhu
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu, 210029, China.
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Hollabaugh WL, Hymel A, Pennings JS, Clark DE, Soslow JH, Karpinos AR. Vitamin D Status and Cardiovascular Disease in College Athletes After SARS-CoV-2 Infection. Clin J Sport Med 2024:00042752-990000000-00211. [PMID: 38980665 DOI: 10.1097/jsm.0000000000001253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 06/10/2024] [Indexed: 07/10/2024]
Abstract
OBJECTIVE To evaluate the association between vitamin D status and CV disease after COVID-19 in college athletes. DESIGN Retrospective cohort study. SETTING National College Athletic Association Division-I college athletes from a single academic institution. PATIENTS A total of 157 athletes (60 female; median age: 20 years) from 9 sports with a positive SARS-CoV-2 test, cardiac magnetic resonance imaging (CMR), and vitamin D level. INDEPENDENT VARIABLES Serum 25-hydroxyvitamin D level (primary); age, sex (regression models). MAIN OUTCOMES MEASURES Differences in age, sex, race, ethnicity, myocarditis, pericarditis, and CMR metrics by vitamin D status were analyzed. Regression models were used to assess the relationship between vitamin D status and CMR metrics accounting for age and sex. RESULTS Low vitamin D (LVD) was found in 33 (21.0%) of athletes, particularly Black males (P < 0.001). Athletes with LVD had higher biventricular and lower mid-ventricular extracellular volumes, but these differences were not significant when corrected for age and sex. Athletes with LVD had higher left ventricle (LV) mass (P < 0.001) and LV mass index (P = 0.001) independent of age and sex. Differences in global circumferential strain were noted but are likely clinically insignificant. Vitamin D status did not associate with myocarditis and pericarditis (P = 0.544). CONCLUSIONS LVD is common in athletes, particularly in Black males. Although athletes with LVD had higher LV mass, cardiac function and tissue characterization did not differ by vitamin D status. Future studies are needed to determine if the differences in LV mass and LV mass index by vitamin D status are clinically significant. This study suggests that vitamin D status does not impact the development of myocarditis or pericarditis after COVID-19 infection.
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Affiliation(s)
- William L Hollabaugh
- Division of Sports Medicine, Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
- Division of General Pediatrics, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Alicia Hymel
- Division of Sports Medicine, Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jacquelyn S Pennings
- Division of Sports Medicine, Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
- Center for Musculoskeletal Research, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Daniel E Clark
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, California
| | - Jonathan H Soslow
- Division of Cardiology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee; and
| | - Ashley R Karpinos
- Division of Sports Medicine, Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
- Division of General Pediatrics, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
- Division of General Internal Medicine and Public Health, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
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Karur GR, Aneja A, Stojanovska J, Hanneman K, Latchamsetty R, Kersting D, Rajiah PS. Imaging of Cardiac Fibrosis: An Update, From the AJR Special Series on Imaging of Fibrosis. AJR Am J Roentgenol 2024; 222:e2329870. [PMID: 37753860 DOI: 10.2214/ajr.23.29870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Myocardial fibrosis (MF) is defined as excessive production and deposition of extra-cellular matrix proteins that result in pathologic myocardial remodeling. Three types of MF have been identified: replacement fibrosis from tissue necrosis, reactive fibrosis from myocardial stress, and infiltrative interstitial fibrosis from progressive deposition of nondegradable material such as amyloid. Although echocardiography, nuclear medicine, and CT play important roles in the assessment of MF, MRI is pivotal in the evaluation of MF, with the late gadolinium enhancement (LGE) technique used as a primary end point. The LGE technique focuses on the pattern and distribution of gadolinium accumulation in the myocardium and assists in the diagnosis and establishment of the cause of both ischemic and nonischemic cardiomyopathy. LGE MRI also aids prognostication and risk stratification. In addition, LGE MRI is used to guide the management of patients considered for ablation for arrhythmias. Parametric mapping techniques, including T1 mapping and extracellular volume measurement, allow detection and quantification of diffuse fibrosis, which may not be detected by LGE MRI. These techniques also allow monitoring of disease progression and therapy response. This review provides an update on the imaging of MF, including prognostication and risk stratification tools, electrophysiologic considerations, and disease monitoring.
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Affiliation(s)
- Gauri R Karur
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
- Joint Department of Medical Imaging, University Medical Imaging Toronto, Toronto General Hospital, Toronto, ON, Canada
| | - Ashish Aneja
- Department of Cardiology, MetroHealth System, Cleveland, OH
| | | | - Kate Hanneman
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
- Joint Department of Medical Imaging, University Medical Imaging Toronto, Toronto General Hospital, Toronto, ON, Canada
| | | | - David Kersting
- Department of Nuclear Medicine and German Cancer Consortium (DKTK), University Hospital Essen, Essen, Germany
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6
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Károlyi M, Polacin M, Kolossváry M, Sokolska JM, Matziris I, Weber L, Alkadhi H, Manka R. Comparative analysis of late gadolinium enhancement assessment techniques for monitoring fibrotic changes in myocarditis follow-up. Eur Radiol 2024:10.1007/s00330-024-10756-x. [PMID: 38703188 DOI: 10.1007/s00330-024-10756-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/05/2024] [Accepted: 03/11/2024] [Indexed: 05/06/2024]
Abstract
OBJECTIVES To compare the repeatability and interrelation of various late gadolinium enhancement (LGE) assessment techniques for monitoring fibrotic changes in myocarditis follow-up. MATERIALS AND METHODS LGE extent change between baseline and 3-month cardiovascular magnetic resonance (CMR) was compared in patients with acute myocarditis using the full width at half maximum (FWHM), gray-scale thresholds at 5 and 6 standard deviations (SD5 and SD6), visual assessment with threshold (VAT) and full manual (FM) techniques. In addition, visual presence score (VPS), visual transmurality score (VTS), and a simplified visual change score (VCS) were assessed. Intraclass-correlation (ICC) was used to evaluate repeatability, and methods were compared using Spearman's correlation. RESULTS Forty-seven patients (38 male, median age: 27 [IQR: 21; 38] years) were included. LGE extent change differed among quantitative techniques (p < 0.01), with variability in the proportion of patients showing LGE change during follow-up (FWHM: 62%, SD5: 74%, SD6: 66%, VAT: 43%, FM: 60%, VPS: 53%, VTS: 77%, VCS: 89%). Repeatability was highest with FWHM (ICC: 0.97) and lowest with SD5 (ICC: 0.89). Semiquantitative scoring had slightly lower values (VPS ICC: 0.81; VTS ICC: 0.71). VCS repeatability was excellent (ICC: 0.93). VPS and VTS correlated with quantitative techniques, while VCS was positively associated with VPS, VTS, VAT, and FM, but not with FWHM, SD5, and SD6. CONCLUSION FWHM offers the least observer-dependent LGE follow-up after myocarditis. VPS, VTS, and VCS are practical alternatives, showing reliable correlations with quantitative methods. Classification of patients exhibiting either stable or changing LGE relies on the assessment technique. CLINICAL RELEVANCE STATEMENT This study shows that LGE monitoring in myocarditis is technique-dependent; the FWHM method yields the most consistent fibrotic tracking results, with scoring-based techniques as reliable alternatives. KEY POINTS Recognition of fibrotic changes during myocarditis follow-up is significantly influenced by the choice of the quantification technique employed. The FWHM technique ensures highly repeatable tracking of myocarditis-related LGE changes. Segment-based visual scoring and the simplified visual change score offer practical, reproducible alternatives in resource-limited settings.
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Affiliation(s)
- Mihály Károlyi
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Malgorzata Polacin
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Márton Kolossváry
- Gottsegen National Cardiovascular Center, Budapest, Hungary
- Physiological Controls Research Center, University Research and Innovation Center, Óbuda University, Budapest, Hungary
| | - Justyna M Sokolska
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Ioannis Matziris
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Lucas Weber
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department of Radiology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Hatem Alkadhi
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Robert Manka
- Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland.
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
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7
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Omidi A, Weiss E, Rosu-Bubulac M, Thomas G, Wilson JS. Quantitative Analysis of Radiation Therapy-Induced Cardiac and Aortic Sequelae in Patients With Lung Cancer via Magnetic Resonance Imaging: A Pilot Study. Int J Radiat Oncol Biol Phys 2024; 119:281-291. [PMID: 37951549 DOI: 10.1016/j.ijrobp.2023.10.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/08/2023] [Accepted: 10/22/2023] [Indexed: 11/14/2023]
Abstract
PURPOSE The objective of this study was to quantify early radiation therapy (RT)-induced cardiac and aortic changes in patients with lung cancer using cardiac magnetic resonance imaging (MRI). METHODS AND MATERIALS Nine patients with lung cancer treated with RT completed MR scans at baseline (before RT) and at 3 and 6 months after RT completion. Cine, T1/T2, late gadolinium enhancement (LGE), and 4-dimensional flow MRIs were acquired to assess biological and mechanical cardiovascular changes globally (ie, over the entire left ventricle (LV) or aorta) and regionally (according to an American Heart Association model). RESULTS Regional metrics demonstrated multiple significant changes and dose-dependent responses. Notably, LGE showed changes at 3 and 6 months over septal and high-dose regions (P < .0458). Longitudinal strain changes were notable at septal and high-dose regions at 3 months and at septal regions at 6 months (P < .0469). Elevated T1/T2 signals (P < .0391) and changes in radial/circumferential strain at the septum (P < .0391) were observed at 3 months. Both T1/T2 signal and LGE were correlated with dose at 6 months (T1 signal also at 3 months), with significantly greater changes in regions receiving >50 Gy (P < .0331). LV dose was not correlated with LV strain changes (P > .1), but ascending aortic dose was correlated with strain changes at segments 1 and 2 of the LV (P < .0362). Global metrics identified only 2 significant responses: increase in LGE volume at 6 months and a reduction in ascending aortic circumferential strain at 3 months (P < .0356). CONCLUSIONS Early MR-based changes after RT occurred primarily in high-dose regions and the LV septal wall. Although several early signals resolved by 6 months, LGE and longitudinal strain changes persisted for at least 6 months. Dose-dependent responses/correlations were observed for T1/T2/LGE changes at 6 months, with the greatest effect in regions exposed to >50 Gy. Further investigations with larger cohorts and longer follow-up are warranted to confirm regional dose dependence and the association between aortic dose and LV strain observed in this pilot study.
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Affiliation(s)
- Alireza Omidi
- Department of Radiation Oncology, Virginia Commonwealth University Health System, Richmond, Virginia; Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia.
| | - Elisabeth Weiss
- Department of Radiation Oncology, Virginia Commonwealth University Health System, Richmond, Virginia
| | - Mihaela Rosu-Bubulac
- Department of Radiation Oncology, Virginia Commonwealth University Health System, Richmond, Virginia
| | - Georgia Thomas
- Department of Internal Medicine, Virginia Commonwealth University Health System, Richmond, Virginia
| | - John S Wilson
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, Virginia; Pauley Heart Center, Virginia Commonwealth University Health System, Richmond, Virginia
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Ha S, Jang Y, Lee BK, Hong Y, Kim BK, Park S, Yoo SK, Chang HJ. Simultaneous Viability Assessment and Invasive Coronary Angiography Using a Therapeutic CT System in Chronic Myocardial Infarction Patients. Yonsei Med J 2024; 65:257-264. [PMID: 38653564 PMCID: PMC11045343 DOI: 10.3349/ymj.2023.0208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 12/13/2023] [Accepted: 12/23/2023] [Indexed: 04/25/2024] Open
Abstract
PURPOSE In a preclinical study using a swine myocardial infarction (MI) model, a delayed enhancement (DE)-multi-detector computed tomography (MDCT) scan was performed using a hybrid system alongside diagnostic invasive coronary angiography (ICA) without the additional use of a contrast agent, and demonstrated an excellent correlation in the infarct area compared with histopathologic specimens. In the present investigation, we evaluated the feasibility and diagnostic accuracy of a myocardial viability assessment by DE-MDCT using a hybrid system comprising ICA and MDCT alongside diagnostic ICA without the additional use of a contrast agent. MATERIALS AND METHODS We prospectively enrolled 13 patients (median age: 67 years) with a previous MI (>6 months) scheduled to undergo ICA. All patients underwent cardiac magnetic resonance (CMR) imaging before diagnostic ICA. MDCT viability scans were performed concurrently with diagnostic ICA without the use of additional contrast. The total myocardial scar volume per patient and average transmurality per myocardial segment measured by DE-MDCT were compared with those from DE-CMR. RESULTS The DE volume measured by MDCT showed an excellent correlation with the volume measured by CMR (r=0.986, p<0.0001). The transmurality per segment by MDCT was well-correlated with CMR (r=0.900, p<0.0001); the diagnostic performance of MDCT in differentiating non-viable from viable myocardium using a 50% transmurality criterion was good with a sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of 87.5%, 99.5%, 87.5%, 99.5%, and 99.1%, respectively. CONCLUSION The feasibility of the DE-MDCT viability assessment acquired simultaneously with conventional ICA was proven in patients with chronic MI using DE-CMR as the reference standard.
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Affiliation(s)
- Seongmin Ha
- Graduate Program of Biomedical Engineering, Yonsei University College of Medicine, Seoul, Korea
- CONNECT-AI Research Center, Yonsei University College of Medicine, Seoul, Korea
| | - Yeonggul Jang
- CONNECT-AI Research Center, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 Project for Medical Science Yonsei University, Seoul, Korea
| | - Byoung Kwon Lee
- Department of Internal Medicine, Yonsei University Gangnam Severance Hospital, Seoul, Korea
| | - Youngtaek Hong
- CONNECT-AI Research Center, Yonsei University College of Medicine, Seoul, Korea
- Ontact Health Co., Ltd., Seoul, Korea
| | - Byeong-Keuk Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Seil Park
- Cardiovascular Product Evaluation Center, Yonsei University College of Medicine, Seoul, Korea
| | - Sun Kook Yoo
- Department of Medical Engineering, Yonsei University College of Medicine, Seoul, Korea.
| | - Hyuk-Jae Chang
- CONNECT-AI Research Center, Yonsei University College of Medicine, Seoul, Korea
- Ontact Health Co., Ltd., Seoul, Korea
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea.
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Zaman S, Vimalesvaran K, Chappell D, Varela M, Peters NS, Shiwani H, Knott KD, Davies RH, Moon JC, Bharath AA, Linton NW, Francis DP, Cole GD, Howard JP. Quality assurance of late gadolinium enhancement cardiac magnetic resonance images: a deep learning classifier for confidence in the presence or absence of abnormality with potential to prompt real-time image optimization. J Cardiovasc Magn Reson 2024; 26:101040. [PMID: 38522522 PMCID: PMC11129090 DOI: 10.1016/j.jocmr.2024.101040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/10/2024] [Accepted: 03/19/2024] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND Late gadolinium enhancement (LGE) of the myocardium has significant diagnostic and prognostic implications, with even small areas of enhancement being important. Distinguishing between definitely normal and definitely abnormal LGE images is usually straightforward, but diagnostic uncertainty arises when reporters are not sure whether the observed LGE is genuine or not. This uncertainty might be resolved by repetition (to remove artifact) or further acquisition of intersecting images, but this must take place before the scan finishes. Real-time quality assurance by humans is a complex task requiring training and experience, so being able to identify which images have an intermediate likelihood of LGE while the scan is ongoing, without the presence of an expert is of high value. This decision-support could prompt immediate image optimization or acquisition of supplementary images to confirm or refute the presence of genuine LGE. This could reduce ambiguity in reports. METHODS Short-axis, phase-sensitive inversion recovery late gadolinium images were extracted from our clinical cardiac magnetic resonance (CMR) database and shuffled. Two, independent, blinded experts scored each individual slice for "LGE likelihood" on a visual analog scale, from 0 (absolute certainty of no LGE) to 100 (absolute certainty of LGE), with 50 representing clinical equipoise. The scored images were split into two classes-either "high certainty" of whether LGE was present or not, or "low certainty." The dataset was split into training, validation, and test sets (70:15:15). A deep learning binary classifier based on the EfficientNetV2 convolutional neural network architecture was trained to distinguish between these categories. Classifier performance on the test set was evaluated by calculating the accuracy, precision, recall, F1-score, and area under the receiver operating characteristics curve (ROC AUC). Performance was also evaluated on an external test set of images from a different center. RESULTS One thousand six hundred and forty-five images (from 272 patients) were labeled and split at the patient level into training (1151 images), validation (247 images), and test (247 images) sets for the deep learning binary classifier. Of these, 1208 images were "high certainty" (255 for LGE, 953 for no LGE), and 437 were "low certainty". An external test comprising 247 images from 41 patients from another center was also employed. After 100 epochs, the performance on the internal test set was accuracy = 0.94, recall = 0.80, precision = 0.97, F1-score = 0.87, and ROC AUC = 0.94. The classifier also performed robustly on the external test set (accuracy = 0.91, recall = 0.73, precision = 0.93, F1-score = 0.82, and ROC AUC = 0.91). These results were benchmarked against a reference inter-expert accuracy of 0.86. CONCLUSION Deep learning shows potential to automate quality control of late gadolinium imaging in CMR. The ability to identify short-axis images with intermediate LGE likelihood in real-time may serve as a useful decision-support tool. This approach has the potential to guide immediate further imaging while the patient is still in the scanner, thereby reducing the frequency of recalls and inconclusive reports due to diagnostic indecision.
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Affiliation(s)
- Sameer Zaman
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; Imperial College Healthcare NHS Trust, London W12 0HS, UK; AI for Healthcare Centre for Doctoral Training, Imperial College London, London SW7 2AZ, UK
| | - Kavitha Vimalesvaran
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; AI for Healthcare Centre for Doctoral Training, Imperial College London, London SW7 2AZ, UK
| | - Digby Chappell
- AI for Healthcare Centre for Doctoral Training, Imperial College London, London SW7 2AZ, UK
| | - Marta Varela
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK
| | - Nicholas S Peters
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; Imperial College Healthcare NHS Trust, London W12 0HS, UK
| | - Hunain Shiwani
- Institute of Cardiovascular Science, University College London, London WC1E 6DD, UK; Barts Health Centre, St. Bartholomew's Hospital, London EC1A 7BE, UK
| | - Kristopher D Knott
- Institute of Cardiovascular Science, University College London, London WC1E 6DD, UK; St. George's University Hospitals NHS Foundation Trust, London SW17 0QT, UK
| | - Rhodri H Davies
- Institute of Cardiovascular Science, University College London, London WC1E 6DD, UK; Barts Health Centre, St. Bartholomew's Hospital, London EC1A 7BE, UK
| | - James C Moon
- Institute of Cardiovascular Science, University College London, London WC1E 6DD, UK; Barts Health Centre, St. Bartholomew's Hospital, London EC1A 7BE, UK
| | - Anil A Bharath
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Nick Wf Linton
- Imperial College Healthcare NHS Trust, London W12 0HS, UK; Department of Bioengineering, Imperial College London, London SW7 2AZ, UK.
| | - Darrel P Francis
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; Imperial College Healthcare NHS Trust, London W12 0HS, UK
| | - Graham D Cole
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; Imperial College Healthcare NHS Trust, London W12 0HS, UK
| | - James P Howard
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK; Imperial College Healthcare NHS Trust, London W12 0HS, UK
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10
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Baritussio A, Cheng CY, Simeti G, Ocagli H, Lorenzoni G, Giordani AS, Basso C, Rizzo S, De Gaspari M, Motta R, De Conti G, Perazzolo Marra M, Tarantini G, Iliceto S, Gregori D, Marcolongo R, Caforio ALP. CMR Predictors of Favorable Outcome in Myocarditis: A Single-Center Experience. J Clin Med 2024; 13:1229. [PMID: 38592081 PMCID: PMC10932433 DOI: 10.3390/jcm13051229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/12/2024] [Accepted: 02/20/2024] [Indexed: 04/10/2024] Open
Abstract
Background: Cardiovascular magnetic resonance (CMR) has emerged as the most accurate, non-invasive method to support the diagnosis of clinically suspected myocarditis and as a risk-stratification tool in patients with cardiomyopathies. We aim to assess the diagnostic and prognostic role of CMR at diagnosis in patients with myocarditis. Methods: We enrolled consecutive single-center patients with 2013 ESC consensus-based endomyocardial biopsy (EMB)-proven or clinically suspected myocarditis undergoing CMR at diagnosis. The pre-specified outcome was defined as NYHA class > I and echocardiographic left ventricular ejection fraction (LVEF) < 50% at follow-up. Results: We included 207 patients (74% male, median age 36 years; 25% EMB-proven). CMR showed the highest sensitivity in myocarditis with infarct-like presentation. Patients with EMB-proven myocarditis were more likely to have diffuse LGE and right ventricular LGE (p < 0.001), which was also more common among patients with arrhythmic presentation (p = 0.001). The outcome was met in 17 patients at any follow-up time point, more commonly in those with larger biventricular volumes (p < 0.001), CMR-based diagnosis of dilated cardiomyopathy (p < 0.001), and ischemic LGE (p = 0.005). Higher biventricular systolic function (p < 0.001) and greater LGE extent (p = 0.033) at diagnosis had a protective effect. Conclusions: In our single-center cohort of rigorously defined myocarditis patients, higher biventricular systolic function and greater LGE extent on CMR at diagnosis identified patients with better functional class and higher left ventricular ejection fraction at follow-up. Conversely, larger biventricular volumes, CMR-based DCM features, and the presence of an ischemic LGE pattern at diagnosis were predictors of worse functional class and LV systolic dysfunction at follow-up. Larger prospective studies are warranted to extend our findings to multi-center cohorts.
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Affiliation(s)
- Anna Baritussio
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Chun-Yan Cheng
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Giuseppe Simeti
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Honoria Ocagli
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35131 Padua, Italy
| | - Giulia Lorenzoni
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35131 Padua, Italy
| | - Andrea Silvio Giordani
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Cristina Basso
- Cardiac Pathology, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35128 Padua, Italy
| | - Stefania Rizzo
- Cardiac Pathology, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35128 Padua, Italy
| | - Monica De Gaspari
- Cardiac Pathology, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35128 Padua, Italy
| | - Raffaella Motta
- Radiology Unit, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy
| | - Giorgio De Conti
- Radiology Unit, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy
| | - Martina Perazzolo Marra
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Giuseppe Tarantini
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Sabino Iliceto
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Dario Gregori
- Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, 35131 Padua, Italy
| | - Renzo Marcolongo
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
| | - Alida Linda Patrizia Caforio
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua and Azienda Ospedale Università Padova, 35128 Padua, Italy; (A.B.); (R.M.)
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11
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Cecere A, Cipriani A, De Lazzari M, Graziano F, Brunetti G, De Conti G, Motta R, Ravagnin A, Lorenzoni G, Gregori D, Basso C, Tona F, Lee YJ, Delling FN, Iliceto S, Marra MP. Left ventricular fibrosis in arrhythmic mitral valve prolapse: quantification and comparison of semi-automated techniques assessed by cardiac magnetic resonance. Int J Cardiovasc Imaging 2024; 40:275-285. [PMID: 38141098 PMCID: PMC10884156 DOI: 10.1007/s10554-023-03006-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 11/03/2023] [Indexed: 12/24/2023]
Abstract
PURPOSE Left ventricular (LV) fibrosis has a key role in arrhythmogenesis in patients with mitral valve prolapse (MVP). Cardiac magnetic resonance identifies LV fibrosis by using late gadolinium enhancement (LGE) technique. LGE assessment and quantification in patients with MVP lacks of standardization protocols. METHODS 66 MVP patients with normal systolic function and without significant regurgitation were enrolled. Semi-automated gray-scale thresholding techniques using full width at half maximum (FWHM) and 2, 3 and 5 standard deviation (SD) above the remote myocardium were used and compared with the visual assessment, considered as the gold standard. RESULTS LGE was identified in 41 MVP patients (62%) and quantified. The mean quantity of LGE visually assessed was 2.40 ± 1.07% or 1.40 ± 0.82 g. With FWHM, LGE resulted 3.56 ± 1.23% or 1.99 ± 1.13 g. Using thresholding, the mean LGE quantity was 9.2 ± 3.1% or 4.82 ± 2.28 g for 2-SD, 5.72 ± 1.75% or 3.06 ± 1.47 g for 3-SD and 2.36 ± 0.99% or 1.29 ± 0.79 g for 5-SD. The 5-SD measurement in percentage demonstrated a good correlation with LGE quantification visually assessed (2.40 ± 1.07 vs. 2.363 ± 0.9909, p = 0.543). When compared with the gold standard, the 5-SD threshold quantification, both in percentage and in grams, revealed the least intra-observer (respectively, ICC: 0.976 and 0.966) and inter-observer variability (respectively ICC: 0.948 and 0.935). CONCLUSION The 5-SD gray-scale threshold technique in percentage revealed the best correlation with the visual assessment and an optimal reproducibility in MVP patient.
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Affiliation(s)
- Annagrazia Cecere
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Alberto Cipriani
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Manuel De Lazzari
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Francesca Graziano
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Giulia Brunetti
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Giorgio De Conti
- Radiology Unit, University of Padua-Azienda Ospedaliera, Padua, Italy
| | - Raffaella Motta
- Department of Medicine, University of Padua-Azienda Ospedaliera, Padua, Italy
| | - Alberto Ravagnin
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Giulia Lorenzoni
- Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, Unit of Biostatistics, Epidemiology and Public Health, University of Padova, Padova, Italy
| | - Dario Gregori
- Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, Unit of Biostatistics, Epidemiology and Public Health, University of Padova, Padova, Italy
| | - Cristina Basso
- Cardiovascular Pathology Unit, University Hospital of Padua, Padua, Italy
| | - Francesco Tona
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Yoo Jin Lee
- Clinical Radiology, Cardiac and Pulmonary Imaging, University of California, San Francisco, CA, USA
| | - Francesca Nesta Delling
- Department of Medicine (Cardiovascular Division), University of California San Francisco, San Francisco, CA, USA
| | - Sabino Iliceto
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy
| | - Martina Perazzolo Marra
- Cardiology Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua-Azienda Ospedaliera, Via Giustiniani, 2, 35128, Padua, Italy.
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12
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Kim SG, Lee JY, Jeong WG, Lee JE, Kim YH. Cardiac Magnetic Resonance Imaging Findings and Clinical Features of COVID-19 Vaccine-Associated Myocarditis, Compared With Those of Other Types of Myocarditis. J Korean Med Sci 2024; 39:e42. [PMID: 38288542 PMCID: PMC10825460 DOI: 10.3346/jkms.2024.39.e42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 11/20/2023] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND To compare the clinical and cardiac magnetic resonance (CMR) imaging findings of coronavirus disease 2019 (COVID-19) vaccine-associated myocarditis (VAM) with those of other types of myocarditis. METHODS From January 2020 to March 2022, a total of 39 patients diagnosed with myocarditis via CMR according to the Modified Lake Louise criteria were included in the present study. The patients were classified into two groups based on their vaccination status: COVID-19 VAM and other types of myocarditis not associated with COVID-19 vaccination. Clinical outcomes, including the development of clinically significant arrhythmias, sudden cardiac arrest, and death, and CMR imaging features were compared between COVID-19 VAM and other types of myocarditis. RESULTS Of the 39 included patients (mean age, 39 years ± 16.4 [standard deviation]; 23 men), 23 (59%) had COVID-19 VAM and 16 (41%) had other types of myocarditis. The occurrence of clinical adverse events did not differ significantly between the two groups. As per the CMR imaging findings, the presence and dominant pattern of late gadolinium enhancement did not differ significantly between the two groups. The presence of high native T1 or T2 values was not significantly different between the two groups. Although the native T1 and T2 values tended to be lower in COVID-19 VAM than in other types of myocarditis, there were no statistically significant differences between the native T1 and T2 values in the two groups. CONCLUSION The present study demonstrated that the CMR imaging findings and clinical outcomes of COVID-19 VAM did not differ significantly from those of other types of myocarditis during hospitalization.
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Affiliation(s)
- Sang Gyun Kim
- Department of Radiology, Chonnam National University Hospital, Gwangju, Korea
| | - Jeong Yeop Lee
- Department of Radiology, Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Won Gi Jeong
- Department of Radiology, Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Jong Eun Lee
- Department of Radiology, Chonnam National University Hospital, Gwangju, Korea
| | - Yun-Hyeon Kim
- Department of Radiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Radiology, Chonnam National University Medical School, Gwangju, Korea.
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13
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Gräni C. Prime time for CMR imaging of arrhythmogenic substrate in hypertrophic cardiomyopathy. Eur Heart J 2023; 44:4793-4795. [PMID: 37847855 DOI: 10.1093/eurheartj/ehad686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2023] Open
Affiliation(s)
- Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010 Bern, Switzerland
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14
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Caobelli F, Cabrero JB, Galea N, Haaf P, Loewe C, Luetkens JA, Muscogiuri G, Francone M. Cardiovascular magnetic resonance (CMR) and positron emission tomography (PET) imaging in the diagnosis and follow-up of patients with acute myocarditis and chronic inflammatory cardiomyopathy : A review paper with practical recommendations on behalf of the European Society of Cardiovascular Radiology (ESCR). Int J Cardiovasc Imaging 2023; 39:2221-2235. [PMID: 37682416 PMCID: PMC10674005 DOI: 10.1007/s10554-023-02927-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 08/02/2023] [Indexed: 09/09/2023]
Abstract
Advanced cardiac imaging techniques such as cardiovascular magnetic resonance (CMR) and positron emission tomography (PET) are widely used in clinical practice in patients with acute myocarditis and chronic inflammatory cardiomyopathies (I-CMP). We aimed to provide a review article with practical recommendations from the European Society of Cardiovascular Radiology (ESCR), in order to guide physicians in the use and interpretation of CMR and PET in clinical practice both for acute myocarditis and follow-up in chronic forms of I-CMP.
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Affiliation(s)
- Federico Caobelli
- Department of Nuclear Medicine, Inselspital, Bern University Hospital and University of Bern, Freiburgstrasse 18, Bern, 3000, Switzerland.
| | | | - Nicola Galea
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Viale Regina Elena 324, Rome, 00161, Italy
| | - Philip Haaf
- Department of Cardiology, Cardiovascular Research Institute Basel (CRIB), University Hospital Basel, and University of Basel, Petersgraben 4, Basel, CH-4031, Switzerland
| | - Christian Loewe
- Division of Cardiovascular and Interventional Radiology, Department of Bioimaging and Image-Guided Therapy, Medical University Vienna, Spitalgasse 9, Vienna, A-1090, Austria
| | - Julian A Luetkens
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | | | - Marco Francone
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, Milan, 20072, Italy
- IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, Milan, 20089, Italy
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15
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Bobbio E, Bollano E, Oldfors A, Hedner H, Björkenstam M, Svedlund S, Karason K, Bergh N, Polte CL. Phenotyping of giant cell myocarditis versus cardiac sarcoidosis using cardiovascular magnetic resonance. Int J Cardiol 2023; 387:131143. [PMID: 37364717 DOI: 10.1016/j.ijcard.2023.131143] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 06/05/2023] [Accepted: 06/23/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Giant cell myocarditis (GCM) and cardiac sarcoidosis (CS) are rare inflammatory diseases of the myocardium with poor prognosis. Little is known about the cardiovascular magnetic resonance (CMR) appearance of GCM and the methods ability to distinguish the two rare entities from one another. METHODS We assessed a total of 40 patients with endomyocardial biopsy-proven GCM (n = 14) and CS (n = 26) concerning their clinical and CMR appearance in a blinded manner. RESULTS Patients with GCM and CS were of similar median age (55 vs 56 years), and a male predominance was observed in both groups. In GCM, median levels of troponin T (313 vs 31 ng/L, p < 0.001), and natriuretic peptides (6560 vs 676 pg/mL, p < 0.001) were higher than in CS, and the clinical outcome worse (p = 0.04). On CMR imaging, the observed alterations of left and right ventricular (LV/RV) dimensions and function were similar. GCM showed multifocal LV late gadolinium enhancement (LGE) with a similar longitudinal, circumferential, and radial distribution as in CS, including suggested signature imaging biomarkers of CS like the "hook sign" (71% vs 77%, p = 0.702). The median LV LGE enhanced volume was 17% and 22% in GCM and CS (p = 0.150), respectively. The number of RV segments with pathologically increased T2 signal and/or LGE were most extensive in GCM. CONCLUSIONS The CMR appearance of both GCM and CS is highly similar, making the differentiation between the two rare entities solely based on CMR challenging. This stands in contrast to the clinical appearance, which seems to be more severe in GCM.
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Affiliation(s)
- Emanuele Bobbio
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Entela Bollano
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Anders Oldfors
- Department of Clinical Pathology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Biomedicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Henrik Hedner
- Department of Clinical Physiology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Marie Björkenstam
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Sara Svedlund
- Department of Clinical Physiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Kristjan Karason
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Department of Transplantation, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Niklas Bergh
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Christian L Polte
- Department of Clinical Physiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Medicine, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.
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16
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Bernhard B, Tanner G, Garachemani D, Schnyder A, Fischer K, Huber AT, Safarkhanlo Y, Stark AW, Guensch DP, Schütze J, Greulich S, Bastiaansen JAM, Pavlicek-Bahlo M, Benz DC, Kwong RY, Gräni C. Predictive value of cardiac magnetic resonance right ventricular longitudinal strain in patients with suspected myocarditis. J Cardiovasc Magn Reson 2023; 25:49. [PMID: 37587516 PMCID: PMC10433613 DOI: 10.1186/s12968-023-00957-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023] Open
Abstract
BACKGROUND Recent evidence underlined the importance of right (RV) involvement in suspected myocarditis. We aim to analyze the possible incremental prognostic value from RV global longitudinal strain (GLS) by CMR. METHODS Patients referred for CMR, meeting clinical criteria for suspected myocarditis and no other cardiomyopathy were enrolled in a dual-center register cohort study. Ejection fraction (EF), GLS and tissue characteristics were assessed in both ventricles to assess their association to first major adverse cardiovascular events (MACE) including hospitalization for heart failure (HF), ventricular tachycardia (VT), recurrent myocarditis and death. RESULTS Among 659 patients (62.8% male; 48.1 ± 16.1 years), RV GLS was impaired (> - 15.4%) in 144 (21.9%) individuals, of whom 76 (58%), 108 (77.1%), 27 (18.8%) and 40 (32.8%) had impaired right ventricular ejection fraction (RVEF), impaired left ventricular ejection fraction (LVEF), RV late gadolinium enhancement (LGE) or RV edema, respectively. After a median observation time of 3.7 years, 45 (6.8%) patients were hospitalized for HF, 42 (6.4%) patients died, 33 (5%) developed VT and 16 (2.4%) had recurrent myocarditis. Impaired RV GLS was associated with MACE (HR = 1.07, 95% CI 1.04-1.10; p < 0.001), HF hospitalization (HR = 1.17, 95% CI 1.12-1.23; p < 0.001), and death (HR = 1.07, 95% CI 1.02-1.12; p = 0.004), but not with VT and recurrent myocarditis in univariate analysis. RV GLS lost its association with outcomes, when adjusted for RVEF, LVEF, LV GLS and LV LGE extent. CONCLUSION RV strain is associated with MACE, HF hospitalization and death but has neither independent nor incremental prognostic value after adjustment for RV and LV function and tissue characteristics. Therefore, assessing RV GLS in the setting of myocarditis has only limited value.
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Affiliation(s)
- Benedikt Bernhard
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Giulin Tanner
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Davide Garachemani
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Aaron Schnyder
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland
| | - Kady Fischer
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Adrian T Huber
- Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Yasaman Safarkhanlo
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Anselm W Stark
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Dominik P Guensch
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Jonathan Schütze
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Simon Greulich
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Jessica A M Bastiaansen
- Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Maryam Pavlicek-Bahlo
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Dominik C Benz
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Raymond Y Kwong
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse 18, 3010, Bern, Switzerland.
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17
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Holby SN, Richardson TL, Laws JL, McLaren TA, Soslow JH, Baker MT, Dendy JM, Clark DE, Hughes SG. Multimodality Cardiac Imaging in COVID. Circ Res 2023; 132:1387-1404. [PMID: 37167354 PMCID: PMC10171309 DOI: 10.1161/circresaha.122.321882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Infection with SARS-CoV-2, the virus that causes COVID, is associated with numerous potential secondary complications. Global efforts have been dedicated to understanding the myriad potential cardiovascular sequelae which may occur during acute infection, convalescence, or recovery. Because patients often present with nonspecific symptoms and laboratory findings, cardiac imaging has emerged as an important tool for the discrimination of pulmonary and cardiovascular complications of this disease. The clinician investigating a potential COVID-related complication must account not only for the relative utility of various cardiac imaging modalities but also for the risk of infectious exposure to staff and other patients. Extraordinary clinical and scholarly efforts have brought the international medical community closer to a consensus on the appropriate indications for diagnostic cardiac imaging during this protracted pandemic. In this review, we summarize the existing literature and reference major societal guidelines to provide an overview of the indications and utility of echocardiography, nuclear imaging, cardiac computed tomography, and cardiac magnetic resonance imaging for the diagnosis of cardiovascular complications of COVID.
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Affiliation(s)
- S Neil Holby
- Cardiovascular Medicine Fellowship, Division of Cardiology, Department of Internal Medicine (S.N.H., T.L.R., J.L.L.), Vanderbilt University Medical Center
| | - Tadarro Lee Richardson
- Cardiovascular Medicine Fellowship, Division of Cardiology, Department of Internal Medicine (S.N.H., T.L.R., J.L.L.), Vanderbilt University Medical Center
| | - J Lukas Laws
- Cardiovascular Medicine Fellowship, Division of Cardiology, Department of Internal Medicine (S.N.H., T.L.R., J.L.L.), Vanderbilt University Medical Center
| | - Thomas A McLaren
- Division of Cardiology, Department of Internal Medicine, Department of Radiology & Radiological Sciences (T.A.M., S.G.H.), Vanderbilt University Medical Center
| | - Jonathan H Soslow
- Thomas P. Graham Jr Division of Pediatric Cardiology, Department of Pediatrics (J.H.S.), Vanderbilt University Medical Center
| | - Michael T Baker
- Division of Cardiology, Department of Internal Medicine (M.T.B., J.M.D.), Vanderbilt University Medical Center
| | - Jeffrey M Dendy
- Division of Cardiology, Department of Internal Medicine (M.T.B., J.M.D.), Vanderbilt University Medical Center
| | - Daniel E Clark
- Division of Cardiology, Department of Internal Medicine, Stanford University School of Medicine (D.E.C.)
| | - Sean G Hughes
- Division of Cardiology, Department of Internal Medicine, Department of Radiology & Radiological Sciences (T.A.M., S.G.H.), Vanderbilt University Medical Center
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18
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Giannotta G, Murrone A, Giannotta N. COVID-19 mRNA Vaccines: The Molecular Basis of Some Adverse Events. Vaccines (Basel) 2023; 11:747. [PMID: 37112659 PMCID: PMC10145134 DOI: 10.3390/vaccines11040747] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
Each injection of any known vaccine results in a strong expression of pro-inflammatory cytokines. This is the result of the innate immune system activation, without which no adaptive response to the injection of vaccines is possible. Unfortunately, the degree of inflammation produced by COVID-19 mRNA vaccines is variable, probably depending on genetic background and previous immune experiences, which through epigenetic modifications could have made the innate immune system of each individual tolerant or reactive to subsequent immune stimulations.We hypothesize that we can move from a limited pro-inflammatory condition to conditions of increasing expression of pro-inflammatory cytokines that can culminate in multisystem hyperinflammatory syndromes following COVID-19 mRNA vaccines (MIS-V). We have graphically represented this idea in a hypothetical inflammatory pyramid (IP) and we have correlated the time factor to the degree of inflammation produced after the injection of vaccines. Furthermore, we have placed the clinical manifestations within this hypothetical IP, correlating them to the degree of inflammation produced. Surprisingly, excluding the possible presence of an early MIS-V, the time factor and the complexity of clinical manifestations are correlated to the increasing degree of inflammation: symptoms, heart disease and syndromes (MIS-V).
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Affiliation(s)
| | - Antonio Murrone
- Oncologia Territoriale, Hospice Cure Palliative ASUFC, 33030 Udine, Italy;
| | - Nicola Giannotta
- Medical and Surgery Sciences, Faculty of Medicine, Magna Græcia University, 88100 Catanzaro, Italy;
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19
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Károlyi M, Kolossváry M, Weber L, Matziris I, Polacin M, Sokolska JM, Gotschy A, Alkadhi H, Manka R. Association between ECG parameters and late gadolinium enhancement along the course of myocarditis. THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING 2023; 39:1169-1178. [PMID: 36826613 DOI: 10.1007/s10554-023-02811-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 02/04/2023] [Indexed: 02/25/2023]
Abstract
PURPOSE Numerous electrocardiogram (ECG) abnormalities and late gadolinium enhancement (LGE) in cardiac magnetic resonance imaging (CMR) have been related to poor prognosis in acute myocarditis. We evaluated whether ECG parameters are associated with the distribution and dynamic of LGE along the course of myocarditis. METHODS Fifty-one patients with CMR confirmed acute myocarditis were included who underwent CMR with LGE and 12-lead ECG at baseline and 3-month follow-up at our institution. The association between the presence, regional distribution and change of ECG parameters and LGE was investigated using linear regression analysis. LGE was quantified as visual presence score (VPS) and visual transmurality score (VTS). RESULTS Among many ECG parameters only > 1 mm ST-elevation (STE) was associated with VPS and VTS at baseline (β = 3.08 [95%CI: 1.75; 4.41], p = < 0.001 and β = 5.40 [95%CI: 1.92; 8.88], p = 0.004; respectively). STE was most frequent in lateral and inferior ECG-leads (48% and 31%) and it was associated with VPS and VTS in these localizations (p < 0.05 all), however no association between anterior-septal STE and LGE could be confirmed. At follow-up the regression of STE was associated with the regression of VPS and VTS in univariate analysis (β=-1.49 [95%CI: -2.41; -0.57], p = 0.003 and β=-4.87 [95%CI: -7.18; -2.56], p = 0.001, respectively), which remained significant for VTS using a multivariate model (β=-2.39 [95%CI: -3.32; -0.47], p = 0.019). CONCLUSION Although we demonstrated some promising associations between STE and LGE, the usability of ECG to estimate the territorial involvement and dynamical changes of LGE along the course of myocarditis is generally limited and cardiac magnetic resonance should be considered for this purpose.
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Affiliation(s)
- Mihály Károlyi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | | | - Lucas Weber
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Department of Radiology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Ioannis Matziris
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Malgorzata Polacin
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Justyna M Sokolska
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Department of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Alexander Gotschy
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Hatem Alkadhi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Robert Manka
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland. .,Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland. .,Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland. .,Department of Cardiology, University Heart Center, University Hospital Zurich, Raemistrasse 100, 8091, Zurich, Switzerland.
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20
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Monti CB, Zanardo M, Capra D, Lastella G, Guarnieri G, Giambersio E, Pasqualin G, Sardanelli F, Secchi F. The predictive role of right ventricular late gadolinium enhancement in patients with tetralogy of Fallot undergoing pulmonary valve replacement. Eur Radiol Exp 2023; 7:9. [PMID: 36826698 PMCID: PMC9958209 DOI: 10.1186/s41747-023-00322-3] [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: 10/14/2022] [Accepted: 01/05/2023] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND Our purpose was to evaluate the correlations between right ventricular (RV) late gadolinium enhancement (LGE) at cardiac magnetic resonance (CMR) in patients with tetralogy of Fallot (ToF) scheduled for pulmonary valve replacement (PVR) and post-PVR functional data. METHODS We retrospectively reviewed ToF patients scheduled for PVR who underwent two CMR examinations at our institution, one before the procedure (CMR-0), including contrast-enhanced sequences, and one after the procedure (CMR-1). Functional left and RV data were obtained by segmenting short-axis stacks on both CMR examinations, and normalised variations were calculated by dividing differences between CMR-1 and CMR-0 by the intercurring time interval, whereas the RV scar burden was assessed on CMR-0 LGE sequences both semiquantitatively and quantitatively. Data were reported as median and interquartile range, differences were appraised with the Mann-Whitney U test, while correlations were assessed with Spearman's ρ. RESULTS Fifteen patients with a median age of 25 years (16-29), including 9 (60%) males, with a median time interval between CMR-0 and CMR-1 of 17 months (12-23), were retrospectively reviewed. The semiquantitative LGE score at CMR-0 was 7 (6-9), and LGE volume was 4.49 mL (3.70-5.78), covering 5.63% (4.92-7.00) of the RV. RV LGE score showed a moderate positive correlation with the normalised variation of RV stroke volume (ρ = 0.662, p = 0.007) and a borderline moderate positive correlation with the normalised variation of RV end-diastolic indexed volume (ρ = 0.513, p = 0.050). CONCLUSIONS The assessment of RV LGE before PVR may provide insights on post-PVR functional data, potentially facilitating a patient-tailored treatment pathway.
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Affiliation(s)
- Caterina Beatrice Monti
- grid.4708.b0000 0004 1757 2822Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milano, Italy
| | - Moreno Zanardo
- grid.4708.b0000 0004 1757 2822Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy
| | - Davide Capra
- Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milano, Italy.
| | - Giulia Lastella
- grid.432778.dUnit of Radiology, ASST Nord Milano, Viale Matteotti 83, 20099 Sesto San Giovanni, Italy
| | - Gianluca Guarnieri
- grid.4708.b0000 0004 1757 2822Postgraduation School in Cardiology, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milano, Italy
| | - Emilia Giambersio
- grid.4708.b0000 0004 1757 2822Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milano, Italy
| | - Giulia Pasqualin
- grid.419557.b0000 0004 1766 7370Pediatric and Adult Congenital Heart Centre, IRCCS Policlinico San Donato, Via Morandi 30, 20097 San Donato Milanese, Italy
| | - Francesco Sardanelli
- grid.4708.b0000 0004 1757 2822Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy ,grid.419557.b0000 0004 1766 7370Department of Radiology, IRCCS Policlinico San Donato, Via Morandi 30, 20097 San Donato Milanese, Italy
| | - Francesco Secchi
- grid.4708.b0000 0004 1757 2822Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milano, Italy ,grid.419557.b0000 0004 1766 7370Department of Radiology, IRCCS Policlinico San Donato, Via Morandi 30, 20097 San Donato Milanese, Italy
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21
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Ohta Y, Tateishi E, Morita Y, Nishii T, Kotoku A, Horinouchi H, Fukuyama M, Fukuda T. Optimization of null point in Look-Locker images for myocardial late gadolinium enhancement imaging using deep learning and a smartphone. Eur Radiol 2023:10.1007/s00330-023-09465-8. [PMID: 36809433 DOI: 10.1007/s00330-023-09465-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 09/27/2022] [Accepted: 01/22/2023] [Indexed: 02/23/2023]
Abstract
OBJECTIVES To determine the optimal inversion time (TI) from Look-Locker scout images using a convolutional neural network (CNN) and to investigate the feasibility of correcting TI using a smartphone. METHODS In this retrospective study, TI-scout images were extracted using a Look-Locker approach from 1113 consecutive cardiac MR examinations performed between 2017 and 2020 with myocardial late gadolinium enhancement. Reference TI null points were independently determined visually by an experienced radiologist and an experienced cardiologist, and quantitatively measured. A CNN was developed to evaluate deviation of TI from the null point and then implemented in PC and smartphone applications. Images on 4 K or 3-megapixel monitors were captured by a smartphone, and CNN performance on each monitor was determined. Optimal, undercorrection, and overcorrection rates using deep learning on the PC and smartphone were calculated. For patient analysis, TI category differences in pre- and post-correction were evaluated using the TI null point used in late gadolinium enhancement imaging. RESULTS For PC, 96.4% (772/749) of images were classified as optimal, with under- and overcorrection rates of 1.2% (9/749) and 2.4% (18/749), respectively. For 4 K images, 93.5% (700/749) of images were classified as optimal, with under- and overcorrection rates of 3.9% (29/749) and 2.7% (20/749), respectively. For 3-megapixel images, 89.6% (671/749) of images were classified as optimal, with under- and overcorrection rates of 3.3% (25/749) and 7.0% (53/749), respectively. On patient-based evaluations, subjects classified as within optimal range increased from 72.0% (77/107) to 91.6% (98/107) using the CNN. CONCLUSIONS Optimizing TI on Look-Locker images was feasible using deep learning and a smartphone. KEY POINTS • A deep learning model corrected TI-scout images to within optimal null point for LGE imaging. • By capturing the TI-scout image on the monitor with a smartphone, the deviation of the TI from the null point can be immediately determined. • Using this model, TI null points can be set to the same degree as that by an experienced radiological technologist.
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Affiliation(s)
- Yasutoshi Ohta
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan.
| | - Emi Tateishi
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Yoshiaki Morita
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Tatsuya Nishii
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Akiyuki Kotoku
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Hiroki Horinouchi
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Midori Fukuyama
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
| | - Tetsuya Fukuda
- Department of Radiology, National Cerebral and Cardiovascular Center, Suita City, Osaka, 564-8565, Japan
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22
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Zhao X, Jin F, Wang J, Zhao X, Wang L, Wei H. Entropy of left ventricular late gadolinium enhancement and its prognostic value in hypertrophic cardiomyopathy a new CMR assessment method. Int J Cardiol 2023; 373:134-141. [PMID: 36395920 DOI: 10.1016/j.ijcard.2022.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/04/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE As a novel metric, entropy generated from late gadolinium enhancement (LGE) cardiac magnetic resonance (CMR) can be utilized to assess tissue heterogeneity. However, it is unknown if it can be utilized for risk stratification in hypertrophic cardiomyopathy (HCM). In addition, it is unknown if LGE entropy correlates with LGE mass%, which is commonly utilized for fibrosis assessment. This research was done to investigate these issues. MATERIALS AND METHODS Patients with HCM who underwent 3.0-T CMR between January 2015 and January 2020 were prospectively enrolled and classified into low- and high-risk groups according to the AHA/ACC risk stratification guideline for 2020. The LGE entropy was automatically estimated using a generic Python package algorithm. On CMR imaging, the LGE mass% was determined using the CVI 42 software. Endpoint events included sudden cardiac death (SCD), hospital readmission owing to heart failure, and implantable cardioverter defibrillator (ICD) treatment for ventricular arrhythmias. RESULTS A total of 109 HCM participants (70 males) were included. During the follow-up (23 ± 7 months), the patients in the high-risk group had higher LGE entropy (p < 0.001) and LGE mass% (p < 0.001) than those in the low-risk group, and patients with endpoint events had higher LGE entropy (p < 0.001) and LGE mass% (p < 0.001) than those without endpoint events. In all participants, there was a link between LGE entropy and LGE mass%, according to the Spearman rank correlation analysis (p < 0.001; r = 0.667). In ROC analysis, the area under the curve (AUC) of LGE entropy was 0.893 (95% CI, 0.794-0.993; P<0.001), AUC of LGE mass% was 0.826 (95% CI, 0.737-0.914; P<0.001), AUC of LVEF was 0.610 (95% CI, 0.473-0.748; P = 0.117) and AUC of 2020 AHA/ACC guideline for risk stratification was 0.716 (95% CI, 0.617-0.815; P = 0.002). According to Kaplan-Meier curves, HCM with a higher LGE entropy (≥cutoff value (<5.873) or ≥ thied tertile (5.540)) were more likely to experience the endpoint events. Following adjustment for the 2020 AHA/ACC guideline for risk categorization, LGE mass%, or decreased LVEF, Cox analysis showed that LGE entropy was independently linked with endpoint events. CONCLUSIONS The variability and extent of LGE pictures can be reflected by LGE entropy, which is a reliable, usable, and repeatable metric for risk classification in HCM. It is a prognostic indicator of endpoint events that is independent of other risk indicators.
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Affiliation(s)
- Xiaoying Zhao
- Department of Radiology, The Second Affiliated Hospital of Kunming Medical University, Dianmiandadao No. 374, Kunming, Yunnan 650000, China
| | - Fuwei Jin
- Department of Radiology, The Second Affiliated Hospital of Kunming Medical University, Dianmiandadao No. 374, Kunming, Yunnan 650000, China
| | - Jin Wang
- Department of Radiology, Yanan Hospital of Kunming City, Renmin Dong Lu No. 245, Kunming, Yunnan 650000, China.
| | - Xinxiang Zhao
- Department of Radiology, The Second Affiliated Hospital of Kunming Medical University, Dianmiandadao No. 374, Kunming, Yunnan 650000, China.
| | - Lujing Wang
- Department of Radiology, The Second Affiliated Hospital of Kunming Medical University, Dianmiandadao No. 374, Kunming, Yunnan 650000, China
| | - Hua Wei
- Department of Information, The Second Affiliated Hospital of Kunming Medical University,Dianmiandadao No. 374, Kunming, Yunnan 650000, China
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23
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Prognostic Value of Right Ventricular Function in Patients With Suspected Myocarditis Undergoing Cardiac Magnetic Resonance. JACC Cardiovasc Imaging 2023; 16:28-41. [PMID: 36599567 DOI: 10.1016/j.jcmg.2022.08.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Risk-stratification of myocarditis is based on functional parameters and tissue characterization of the left ventricle (LV), whereas right ventricular (RV) involvement remains mostly unrecognized. OBJECTIVES In this study, the authors sought to analyze the prognostic value of RV involvement in myocarditis by cardiac magnetic resonance (CMR). METHODS Patients meeting the recommended clinical criteria for suspected myocarditis were enrolled at 2 centers. Exclusion criteria were the evidence of coronary artery disease, pulmonary artery hypertension or structural cardiomyopathy. Biventricular ejection fraction, edema according to T2-weighted images, and late gadolinium enhancement (LGE) were linked to a composite end point of major adverse cardiovascular events (MACE), including heart failure hospitalization, ventricular arrhythmia, recurrent myocarditis, and death. RESULTS Among 1,125 consecutive patients, 736 (mean age: 47.8 ± 16.1 years) met the clinical diagnosis of suspected myocarditis and were followed for 3.7 years. Signs of RV involvement (abnormal right ventricular ejection fraction [RVEF], RV edema, and RV-LGE) were present in 188 (25.6%), 158 (21.5%), and 92 (12.5%) patients, respectively. MACE occurred in 122 patients (16.6%) and was univariably associated with left ventricular ejection fraction (LVEF), LV edema, LV-LGE, RV-LGE, RV edema, and RVEF. In a series of nesting multivariable Cox regression models, the addition of RVEF (HRadj: 0.974 [95% CI: 0.956-0.993]; P = 0.006) improved prognostication (chi-square test = 89.5; P = 0.001 vs model 1; P = 0.006 vs model 2) compared with model 1 including only clinical variables (chi-square test = 28.54) and model 2 based on clinical parameters, LVEF, and LV-LGE extent (chi-square test = 78.93). CONCLUSIONS This study emphasizes the role of RV involvement in myocarditis and demonstrates the independent and incremental prognostic value of RVEF beyond clinical variables, CMR tissue characterization, and LV function. (Inflammatory Cardiomyopathy Bern Registry [FlamBER]; NCT04774549; CMR Features in Patients With Suspected Myocarditis [CMRMyo]; NCT03470571).
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24
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Zou S, Khoo BL. Subtyping based on immune cell fractions reveal heterogeneity of cardiac fibrosis in end-stage heart failure. Front Immunol 2023; 14:1053793. [PMID: 36875078 PMCID: PMC9975711 DOI: 10.3389/fimmu.2023.1053793] [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: 09/26/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
Background A central issue hindering the development of effective anti-fibrosis drugs for heart failure is the unclear interrelationship between fibrosis and the immune cells. This study aims at providing precise subtyping of heart failure based on immune cell fractions, elaborating their differences in fibrotic mechanisms, and proposing a biomarker panel for evaluating intrinsic features of patients' physiological statuses through subtype classification, thereby promoting the precision medicine for cardiac fibrosis. Methods We inferred immune cell type abundance of the ventricular samples by a computational method (CIBERSORTx) based on ventricular tissue samples from 103 patients with heart failure, and applied K-means clustering to divide patients into two subtypes based on their immune cell type abundance. We also designed a novel analytic strategy: Large-Scale Functional Score and Association Analysis (LAFSAA), to study fibrotic mechanisms in the two subtypes. Results Two subtypes of immune cell fractions: pro-inflammatory and pro-remodeling subtypes, were identified. LAFSAA identified 11 subtype-specific pro-fibrotic functional gene sets as the basis for personalised targeted treatments. Based on feature selection, a 30-gene biomarker panel (ImmunCard30) established for diagnosing patient subtypes achieved high classification performance, with the area under the receiver operator characteristic curve corresponding to 0.954 and 0.803 for the discovery and validation sets, respectively. Conclusion Patients with the two subtypes of cardiac immune cell fractions were likely having different fibrotic mechanisms. Patients' subtypes can be predicted based on the ImmunCard30 biomarker panel. We envision that our unique stratification strategy revealed in this study will unravel advance diagnostic techniques for personalised anti-fibrotic therapy.
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Affiliation(s)
- Shangjie Zou
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, Hong Kong SAR, China.,Hong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Hong Kong, Hong Kong SAR, China
| | - Bee Luan Khoo
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, Hong Kong SAR, China.,Hong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Hong Kong, Hong Kong SAR, China.,Department of Precision Diagnostic and Therapeutic Technology, City University of Hong Kong-Shenzhen Futian Research Institute, Shenzhen, China
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25
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Heiberg E, Engblom H, Carlsson M, Erlinge D, Atar D, Aletras AH, Arheden H. Infarct quantification with cardiovascular magnetic resonance using "standard deviation from remote" is unreliable: validation in multi-centre multi-vendor data. J Cardiovasc Magn Reson 2022; 24:53. [PMID: 36336693 PMCID: PMC9639305 DOI: 10.1186/s12968-022-00888-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 09/08/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The objective of the study was to investigate variability and agreement of the commonly used image processing method "n-SD from remote" and in particular for quantifying myocardial infarction by late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR). LGE-CMR in tandem with the analysis method "n-SD from remote" represents the current reference standard for infarct quantification. This analytic method utilizes regions of interest (ROIs) and defines infarct as the tissue with a set number of standard deviations (SD) above the signal intensity of remote nulled myocardium. There is no consensus on what the set number of SD is supposed to be. Little is known about how size and location of ROIs and underlying signal properties in the LGE images affect results. Furthermore, the method is frequently used elsewhere in medical imaging often without careful validation. Therefore, the usage of the "n-SD" method warrants a thorough validation. METHODS Data from 214 patients from two multi-center cardioprotection trials were included. Infarct size from different remote ROI positions, ROI size, and number of standard deviations ("n-SD") were compared with reference core lab delineations. RESULTS Variability in infarct size caused by varying ROI position, ROI size, and "n-SD" was 47%, 48%, and 40%, respectively. The agreement between the "n-SD from remote" method and the reference infarct size by core lab delineations was low. Optimal "n-SD" threshold computed on a slice-by-slice basis showed high variability, n = 5.3 ± 2.2. CONCLUSION The "n-SD from remote" method is unreliable for infarct quantification due to high variability which depends on different placement and size of remote ROI, number "n-SD", and image signal properties related to the CMR-scanner and sequence used. Therefore, the "n-SD from remote" method should not be used, instead methods validated against an independent standard are recommended.
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Affiliation(s)
- Einar Heiberg
- Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, 222 42, Lund, SE, Sweden.
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden.
| | - Henrik Engblom
- Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, 222 42, Lund, SE, Sweden
| | - Marcus Carlsson
- Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, 222 42, Lund, SE, Sweden
- Laboratory of Clinical Physiology, National Heart, Lung, and Blood Institute, NIH, Bethesda, USA
| | - David Erlinge
- Department of Cardiology, Skåne University Hospital, Lund University Hospital, Lund University, Lund, Sweden
| | - Dan Atar
- Department of Cardiology, Oslo University Hospital Ullevål, University of Oslo, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Anthony H Aletras
- Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, 222 42, Lund, SE, Sweden
- Laboratory of Computing, Medical Informatics and Biomedical-Imaging Technologies, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Håkan Arheden
- Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, 222 42, Lund, SE, Sweden
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Galappaththige S, Gray RA, Costa CM, Niederer S, Pathmanathan P. Credibility assessment of patient-specific computational modeling using patient-specific cardiac modeling as an exemplar. PLoS Comput Biol 2022; 18:e1010541. [PMID: 36215228 PMCID: PMC9550052 DOI: 10.1371/journal.pcbi.1010541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 09/02/2022] [Indexed: 11/07/2022] Open
Abstract
Reliable and robust simulation of individual patients using patient-specific models (PSMs) is one of the next frontiers for modeling and simulation (M&S) in healthcare. PSMs, which form the basis of digital twins, can be employed as clinical tools to, for example, assess disease state, predict response to therapy, or optimize therapy. They may also be used to construct virtual cohorts of patients, for in silico evaluation of medical product safety and/or performance. Methods and frameworks have recently been proposed for evaluating the credibility of M&S in healthcare applications. However, such efforts have generally been motivated by models of medical devices or generic patient models; how best to evaluate the credibility of PSMs has largely been unexplored. The aim of this paper is to understand and demonstrate the credibility assessment process for PSMs using patient-specific cardiac electrophysiological (EP) modeling as an exemplar. We first review approaches used to generate cardiac PSMs and consider how verification, validation, and uncertainty quantification (VVUQ) apply to cardiac PSMs. Next, we execute two simulation studies using a publicly available virtual cohort of 24 patient-specific ventricular models, the first a multi-patient verification study, the second investigating the impact of uncertainty in personalized and non-personalized inputs in a virtual cohort. We then use the findings from our analyses to identify how important characteristics of PSMs can be considered when assessing credibility with the approach of the ASME V&V40 Standard, accounting for PSM concepts such as inter- and intra-user variability, multi-patient and “every-patient” error estimation, uncertainty quantification in personalized vs non-personalized inputs, clinical validation, and others. The results of this paper will be useful to developers of cardiac and other medical image based PSMs, when assessing PSM credibility. Patient-specific models are computational models that have been personalized using data from a patient. After decades of research, recent computational, data science and healthcare advances have opened the door to the fulfilment of the enormous potential of such models, from truly personalized medicine to efficient and cost-effective testing of new medical products. However, reliability (credibility) of patient-specific models is key to their success, and there are currently no general guidelines for evaluating credibility of patient-specific models. Here, we consider how frameworks and model evaluation activities that have been developed for generic (not patient-specific) computational models, can be extended to patient specific models. We achieve this through a detailed analysis of the activities required to evaluate cardiac electrophysiological models, chosen as an exemplar field due to its maturity and the complexity of such models. This is the first paper on the topic of reliability of patient-specific models and will help pave the way to reliable and trusted patient-specific modeling across healthcare applications.
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Affiliation(s)
- Suran Galappaththige
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Richard A. Gray
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Caroline Mendonca Costa
- School of Biomedical Engineering & Imaging Sciences, King’s College London, London, United Kingdom
| | - Steven Niederer
- School of Biomedical Engineering & Imaging Sciences, King’s College London, London, United Kingdom
| | - Pras Pathmanathan
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, United States of America
- * E-mail:
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Motevalli M, Asadian S, Khademi F, Rezaeian N, Shayan L. The crucial role of cardiac MRI parameters in the prediction of outcomes in acute clinically suspected myocarditis: A functional and feature-tracking study. Front Cardiovasc Med 2022; 9:946435. [PMID: 36158830 PMCID: PMC9490401 DOI: 10.3389/fcvm.2022.946435] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Background The definitive diagnosis of myocarditis is made by endomyocardial biopsy, but it is an invasive method. Recent investigations have proposed that cardiac MRI parameters have both diagnostic and prognostic roles in assessing myocarditis. We aimed to evaluate the role of functional and feature-tracking (FT)-derived strain values in predicting major adverse cardiovascular events (MACE) in patients with acute myocarditis. Methods and results We evaluated 133 patients with acute myocarditis (74.4% men) between January 2016 and February 2021. During a mean follow-up of 31 ± 16 months, sixteen patients (12.03%) experienced MACE: three deaths (2.3%), nine ICD implantations (6.76%), and five cardiac transplantations (3.8%). The left ventricular ejection fraction (LVEF), the LV end-diastolic volume index (EDVI), and the LV global longitudinal strain (GLS) were the strongest predictors of MACE. Each 1-unit decline in LVEF and LVGLS or 1-unit rise in LVEDVI resulted in a 5, 24, and 2% increase in MACE, respectively. LVEF ≤36.46% and LVGLS ≤9% indicated MACE with 75% sensitivity and 74.4 and 73.5% specificity, respectively. Conclusions In a group of acute myocarditis patients with evidence of myocardial edema and late Gadolinium enhancement, LVEF and GLS were the strongest predictors of adverse cardiac events.
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Affiliation(s)
- Marzieh Motevalli
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Sanaz Asadian
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Foroogh Khademi
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Nahid Rezaeian
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
- *Correspondence: Nahid Rezaeian
| | - Leila Shayan
- Trauma Research Center, Rajaee (Emtiaz) Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
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Using Multiparametric Cardiac Magnetic Resonance to Phenotype and Differentiate Biopsy-Proven Chronic from Healed Myocarditis and Dilated Cardiomyopathy. J Clin Med 2022; 11:jcm11175047. [PMID: 36078976 PMCID: PMC9457265 DOI: 10.3390/jcm11175047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 12/17/2022] Open
Abstract
(1) Objectives: To discriminate biopsy-proven myocarditis (chronic vs. healed myocarditis) and to differentiate from dilated cardiomyopathy (DCM) using cardiac magnetic resonance (CMR). (2) Methods: A total of 259 consecutive patients (age 51 ± 15 years; 28% female) who underwent both endomyocardial biopsy (EMB) and CMR in the years 2008−2021 were evaluated. According to right-ventricular EMB results, patients were divided into either chronic (n = 130, 50%) or healed lymphocytic myocarditis (n = 60, 23%) or DCM (n = 69, 27%). The CMR protocol included functional, strain, and late gadolinium enhancement (LGE) imaging, T2w imaging, and T2 mapping. (3) Results: Left-ventricular ejection fraction (LV-EF) was higher, and the indexed end-diastolic volume (EDV) was lower in myocarditis patients (chronic: 42%, median 96 mL/m²; healed: 49%, 86 mL/m²) compared to the DCM patients (31%, 120 mL/m²), p < 0.0001. Strain analysis demonstrated lower contractility in DCM patients vs. myocarditis patients, p < 0.0001. Myocarditis patients demonstrated a higher LGE prevalence (68% chronic; 59% healed) than the DCM patients (45%), p = 0.01. Chronic myocarditis patients showed a higher myocardial edema prevalence and ratio (59%, median 1.3) than healed myocarditis (23%, 1.3) and DCM patients (13%, 1.0), p < 0.0001. T2 mapping revealed elevated values more frequently in chronic (90%) than in healed (21%) myocarditis and DCM (23%), p < 0.0001. T2 mapping yielded an AUC of 0.89 (sensitivity 90%, specificity 76%) in the discrimination of chronic from healed myocarditis and an AUC of 0.92 (sensitivity 86%, specificity 91%) in the discrimination of chronic myocarditis from DCM, both p < 0.0001. (4) Conclusions: Multiparametric CMR imaging, including functional parameters, LGE and T2 mapping, may allow differentiation of chronic from healed myocarditis and DCM and therefore help to optimize patient management in this clinical setting.
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Evertz R, Schulz A, Lange T, Backhaus SJ, Vollmann D, Kowallick JT, von Haehling S, Hasenfuß G, Schuster A. Cardiovascular magnetic resonance imaging patterns of acute COVID-19 mRNA vaccine-associated myocarditis in young male patients: A first single-center experience. Front Cardiovasc Med 2022; 9:965512. [PMID: 36082124 PMCID: PMC9445185 DOI: 10.3389/fcvm.2022.965512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 07/25/2022] [Indexed: 01/14/2023] Open
Abstract
Background The risk of myocarditis after mRNA vaccination against COVID-19 has emerged recently. Current evidence suggests that young male patients are predominantly affected. In the majority of the cases, only mild symptoms were observed. However, little is known about cardiac magnetic resonance (CMR) imaging patterns in mRNA-related myocarditis and their differences when compared to classical viral myocarditis in the acute phase of inflammation. Methods and results In total, 10 mRNA vaccination-associated patients with myocarditis were retrospectively enrolled in this study and compared to 10 patients suffering from viral myocarditis, who were matched for age, sex, comorbidities, and laboratory markers. All patients (n = 20) were hospitalized and underwent a standardized clinical examination, as well as an echocardiography and a CMR. Both, clinical and imaging findings and, in particular, functional and volumetric CMR assessments, as well as detailed tissue characterization using late gadolinium enhancement and T1 + T2-weighted sequences, were compared between both groups. The median age of the overall cohort was 26 years (group 1: 25.5; group 2: 27.5; p = 0.57). All patients described chest pain as the leading reason for their initial presentation. CMR volumetric and functional parameters did not differ significantly between both groups. In all cases, the lateral left ventricular wall showed late gadolinium enhancement without significant differences in terms of the localization or in-depth tissue characterization (late gadolinium enhancement [LGE] enlargement: group 1: 5.4%; group 2: 6.5%; p = 0.14; T2 global/maximum value: group 1: 38.9/52 ms; group 2: 37.8/54.5 ms; p = 0.79 and p = 0.80). Conclusion This study yielded the first evidence that COVID-19 mRNA vaccine-associated myocarditis does not show specific CMR patterns during the very acute stage in the most affected patient group of young male patients. The observed imaging markers were closely related to regular viral myocarditis in our cohort. Additionally, we could not find any markers implying adverse outcomes in this relatively little number of patients; however, this has to be confirmed by future studies that will include larger sample sizes.
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Affiliation(s)
- Ruben Evertz
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Alexander Schulz
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Torben Lange
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Sören J. Backhaus
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Dirk Vollmann
- Herz- and Gefäßzentrum Göttingen, Göttingen, Germany
| | - Johannes T. Kowallick
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
- Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen (UMG), Göttingen, Germany
| | - Stephan von Haehling
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Gerd Hasenfuß
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Andreas Schuster
- Department of Cardiology and Pneumology, University Medical Center Göttingen (UMG), Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
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Weber L, Sokolska JM, Nadarevic T, Karolyi M, Baessler B, Fischer X, Sokolski M, von Spiczak J, Polacin M, Matziris I, Alkadhi H, Robert M. Impact of myocardial injury on regional left ventricular function in the course of acute myocarditis with preserved ejection fraction: insights from segmental feature tracking strain analysis using cine cardiac MRI. Int J Cardiovasc Imaging 2022; 38:1851-1861. [PMID: 37726513 PMCID: PMC9797452 DOI: 10.1007/s10554-022-02601-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/14/2022] [Indexed: 11/05/2022]
Abstract
The aim of this study was to provide insights into myocardial adaptation over time in myocyte injury caused by acute myocarditis with preserved ejection fraction. The effect of myocardial injury, as defined by the presence of late gadolinium enhancement (LGE), on the change of left ventricular (LV) segmental strain parameters was evaluated in a longitudinal analysis. Patients with a first episode of acute myocarditis were enrolled retrospectively. Peak radial (PRS), longitudinal (PLS) and circumferential (PCS) LV segmental strain values at baseline and at follow-up were computed using feature tracking cine cardiac magnetic resonance imaging. The change of segmental strain values in LGE positive (LGE+) and LGE negative (LGE-) segments was compared over a course of 89 ± 20 days. In 24 patients, 100 LGE+ segments and 284 LGE- segments were analysed. Between LGE+ and LGE- segments, significant differences were found for the change of segmental PCS (p < 0.001) and segmental PRS (p = 0.006). LGE + segments showed an increase in contractility, indicating recovery, and LGE- segments showed a decrease in contractility, indicating normalisation after a hypercontractile state or impairment of an initially normal contracting segment. No significant difference between LGE+ and LGE- segments was found for the change in segmental PLS. In the course of acute myocarditis with preserved ejection fraction, regional myocardial function adapts inversely in segments with and without LGE. As these effects seem to counterbalance each other, global functional parameters might be of limited use in monitoring functional recovery of these patients.
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Affiliation(s)
- L Weber
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
- Department of Radiology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - J M Sokolska
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - T Nadarevic
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
- Department of Radiology, University Hospital Centre Rijeka, Rijeka, Croatia
| | - M Karolyi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - B Baessler
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - X Fischer
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - M Sokolski
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Department of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - J von Spiczak
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - M Polacin
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - I Matziris
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - H Alkadhi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - M Robert
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland.
- Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland.
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Gräni C, Stark AW, Fischer K, Fürholz M, Wahl A, Erne SA, Huber AT, Guensch DP, Vollenbroich R, Ruberti A, Dobner S, Heg D, Windecker S, Lanz J, Pilgrim T. Diagnostic performance of cardiac magnetic resonance segmental myocardial strain for detecting microvascular obstruction and late gadolinium enhancement in patients presenting after a ST-elevation myocardial infarction. Front Cardiovasc Med 2022; 9:909204. [PMID: 35911559 PMCID: PMC9329615 DOI: 10.3389/fcvm.2022.909204] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundMicrovascular obstruction (MVO) and Late Gadolinium Enhancement (LGE) assessed in cardiac magnetic resonance (CMR) are associated with adverse outcome in patients with ST-elevation myocardial infarction (STEMI). Our aim was to analyze the diagnostic performance of segmental strain for the detection of MVO and LGE.MethodsPatients with anterior STEMI, who underwent additional CMR were enrolled in this sub-study of the CARE-AMI trial. Using CMR feature tracking (FT) segmental circumferential peak strain (SCS) was measured and the diagnostic performance of SCS to discriminate MVO and LGE was assessed in a derivation and validation cohort.ResultsForty-eight STEMI patients (62 ± 12 years old), 39 (81%) males, who underwent CMR (i.e., mean 3.0 ± 1.5 days) after primary percutaneous coronary intervention (PCI) were included. All patients presented with LGE and in 40 (83%) patients, MVO was additionally present. Segments in all patients were visually classified and 146 (19%) segments showed MVO (i.e., LGE+/MVO+), 308 (40%) segments showed LGE and no MVO (i.e., LGE+/MVO–), and 314 (41%) segments showed no LGE (i.e., LGE–). Diagnostic performance of SCS for detecting MVO segments (i.e., LGE+/MVO+ vs. LGE+/MVO–, and LGE–) showed an AUC = 0.764 and SCS cut-off value was –11.2%, resulting in a sensitivity of 78% and a specificity of 67% with a positive predictive value (PPV) of 30% and a negative predictive value (NPV) of 94% when tested in the validation group. For LGE segments (i.e., LGE+/MVO+ and LGE+/MVO– vs. LGE–) AUC = 0.848 and SCS with a cut-off value of –13.8% yielded to a sensitivity of 76%, specificity of 74%, PPV of 81%, and NPV of 70%.ConclusionSegmental strain in STEMI patients was associated with good diagnostic performance for detection of MVO+ segments and very good diagnostic performance of LGE+ segments. Segmental strain may be useful as a potential contrast-free surrogate marker to improve early risk stratification in patients after primary PCI.
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Affiliation(s)
- Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- *Correspondence: Christoph Gräni,
| | - Anselm W. Stark
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Kady Fischer
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Monika Fürholz
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Andreas Wahl
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Sophie A. Erne
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Adrian T. Huber
- Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Dominik P. Guensch
- Department of Anesthesiology and Pain Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
| | - René Vollenbroich
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Andrea Ruberti
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Stephan Dobner
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Dik Heg
- Clinical Trials Unit, University of Bern, Bern, Switzerland
| | - Stephan Windecker
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Jonas Lanz
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Thomas Pilgrim
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Morrow AJ, Sykes R, McIntosh A, Kamdar A, Bagot C, Bayes HK, Blyth KG, Briscoe M, Bulluck H, Carrick D, Church C, Corcoran D, Findlay I, Gibson VB, Gillespie L, Grieve D, Hall Barrientos P, Ho A, Lang NN, Lennie V, Lowe DJ, Macfarlane PW, Mark PB, Mayne KJ, McConnachie A, McGeoch R, McGinley C, McKee C, Nordin S, Payne A, Rankin AJ, Robertson KE, Roditi G, Ryan N, Sattar N, Allwood-Spiers S, Stobo D, Touyz RM, Veldtman G, Watkins S, Weeden S, Weir RA, Welsh P, Wereski R, Mangion K, Berry C. A multisystem, cardio-renal investigation of post-COVID-19 illness. Nat Med 2022; 28:1303-1313. [PMID: 35606551 PMCID: PMC9205780 DOI: 10.1038/s41591-022-01837-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 04/25/2022] [Indexed: 12/27/2022]
Abstract
The pathophysiology and trajectory of post-Coronavirus Disease 2019 (COVID-19) syndrome is uncertain. To clarify multisystem involvement, we undertook a prospective cohort study including patients who had been hospitalized with COVID-19 (ClinicalTrials.gov ID NCT04403607 ). Serial blood biomarkers, digital electrocardiography and patient-reported outcome measures were obtained in-hospital and at 28-60 days post-discharge when multisystem imaging using chest computed tomography with pulmonary and coronary angiography and cardio-renal magnetic resonance imaging was also obtained. Longer-term clinical outcomes were assessed using electronic health records. Compared to controls (n = 29), at 28-60 days post-discharge, people with COVID-19 (n = 159; mean age, 55 years; 43% female) had persisting evidence of cardio-renal involvement and hemostasis pathway activation. The adjudicated likelihood of myocarditis was 'very likely' in 21 (13%) patients, 'probable' in 65 (41%) patients, 'unlikely' in 56 (35%) patients and 'not present' in 17 (11%) patients. At 28-60 days post-discharge, COVID-19 was associated with worse health-related quality of life (EQ-5D-5L score 0.77 (0.23) versus 0.87 (0.20)), anxiety and depression (PHQ-4 total score 3.59 (3.71) versus 1.28 (2.67)) and aerobic exercise capacity reflected by predicted maximal oxygen utilization (20.0 (7.6) versus 29.5 (8.0) ml/kg/min) (all P < 0.01). During follow-up (mean, 450 days), 24 (15%) patients and two (7%) controls died or were rehospitalized, and 108 (68%) patients and seven (26%) controls received outpatient secondary care (P = 0.017). The illness trajectory of patients after hospitalization with COVID-19 includes persisting multisystem abnormalities and health impairments that could lead to substantial demand on healthcare services in the future.
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Affiliation(s)
- Andrew J Morrow
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Robert Sykes
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Alasdair McIntosh
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Anna Kamdar
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Catherine Bagot
- Department of Haemostasis and Thrombosis, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Hannah K Bayes
- Department of Respiratory Medicine, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Kevin G Blyth
- Department of Respiratory Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Michael Briscoe
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | | | - David Carrick
- Department of Cardiology, University Hospital Hairmyres, East Kilbride, UK
| | - Colin Church
- Department of Respiratory Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
- West of Scotland Heart and Lung Centre, NHS Golden Jubilee, Clydebank, UK
| | - David Corcoran
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Iain Findlay
- Department of Cardiology, Royal Alexandra Hospital, Paisley, UK
| | - Vivienne B Gibson
- Department of Haemostasis and Thrombosis, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Lynsey Gillespie
- Project Management Unit, Glasgow Clinical Research Facility, Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Douglas Grieve
- Department of Respiratory Medicine, Royal Alexandra Hospital, Glasgow, UK
| | | | - Antonia Ho
- MRC-University of Glasgow Centre for Virus Research, Institute of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - Ninian N Lang
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Vera Lennie
- Department of Cardiology, Aberdeen Royal Infirmary, Aberdeen, UK
| | - David J Lowe
- Department of Emergency Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Peter W Macfarlane
- Electrocardiology Core Laboratory, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Patrick B Mark
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Glasgow Renal and Transplant Unit, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Kaitlin J Mayne
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Glasgow Renal and Transplant Unit, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Alex McConnachie
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Ross McGeoch
- Department of Cardiology, University Hospital Hairmyres, East Kilbride, UK
| | | | - Connor McKee
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Sabrina Nordin
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Alexander Payne
- Department of Cardiology, University Hospital Crosshouse, Kilmarnock, UK
| | - Alastair J Rankin
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Keith E Robertson
- West of Scotland Heart and Lung Centre, NHS Golden Jubilee, Clydebank, UK
| | - Giles Roditi
- Department of Radiology, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Nicola Ryan
- Department of Cardiology, Aberdeen Royal Infirmary, Aberdeen, UK
| | - Naveed Sattar
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Sarah Allwood-Spiers
- Department of Respiratory Medicine, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - David Stobo
- Department of Radiology, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
| | - Rhian M Touyz
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Gruschen Veldtman
- Scottish Adult Congenital Cardiac Services, NHS Golden Jubilee, Clydebank, UK
| | - Stuart Watkins
- West of Scotland Heart and Lung Centre, NHS Golden Jubilee, Clydebank, UK
| | - Sarah Weeden
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Robin A Weir
- Department of Cardiology, University Hospital Hairmyres, East Kilbride, UK
| | - Paul Welsh
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Ryan Wereski
- Department of Emergency Medicine, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde Health Board, Glasgow, UK
- British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
| | | | - Kenneth Mangion
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Colin Berry
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, UK.
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow, UK.
- West of Scotland Heart and Lung Centre, NHS Golden Jubilee, Clydebank, UK.
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Klettas D, Georgiopoulos G, Rizvi Q, Oikonomou D, Magkas N, Bhuva AN, Manisty C, Captur G, Aimo A, Nihoyannopoulos P. Echocardiographic and Cardiac Magnetic Resonance Imaging-Derived Strains in Relation to Late Gadolinium Enhancement in Hypertrophic Cardiomyopathy. Am J Cardiol 2022; 171:132-139. [PMID: 35305784 DOI: 10.1016/j.amjcard.2022.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 11/01/2022]
Abstract
We compared speckle tracking echocardiography (STE) and feature tracking cardiovascular magnetic resonance (FT-CMR) in patients with hypertrophic cardiomyopathy (HC) with a varying extent of fibrosis as defined by late gadolinium enhancement to look at the level of agreement between methods and their ability to relate those to myocardial fibrosis. At 2 reference centers, 79 patients with HC and 16 volunteers (the control group) underwent STE and CMR with late gadolinium enhancement and FT-CMR. Patients were classified into 3 categories: no detectable, limited, and extensive fibrosis. Global longitudinal strain (GLS) and global radial strain (GRS) were derived using FT-CMR and STE. STE-derived GRS was decreased in all HC categories compared with the control group (p <0.001), whereas FT-CMR GRS was reduced only in patients with HC with fibrosis (p <0.05). Reduced STE-derived GLS was associated with extensive fibrosis (p <0.05) and a value less than -15.2% identified those with extensive fibrosis (sensitivity 79%, specificity 92%, area under the curve 0.863, 95% confidence interval [CI] 0.76 to 0.97, p <0.001). Inter-modality agreement was moderate for STE versus CMR-GLS (overall population intra-class correlation coefficient = 0.615, 95% CI 0.42 to 0.75, p <0.001; patients with HC 0.63, 0.42 to 0.76, p <0.001) and GRS (overall population intra-class correlation coefficient = 0.601, 95% CI 0.397 to 0.735, p <0.001). A low level of agreement for GRS was seen between methods in patients with HC. In conclusion, strain indexes measured using echocardiography and CMR are reduced in patients with HC compared with the control group and correlate well with the burden of myocardial fibrosis. Reduced STE-GLS can identify patients with extensive fibrosis, but whether there is an added value for risk stratification for sudden cardiac death remains to be determined.
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Affiliation(s)
- Dimitrios Klettas
- Imperial College London, National Heart and Lung Institute, Hammersmith Hospital, London, United Kingdom; First Department of Cardiology, 'Hippokration' Hospital, University of Athens, Greece
| | - Georgios Georgiopoulos
- School of Biomedical Engineering and Imaging Sciences, King's College, London, United Kingdom
| | - Qaima Rizvi
- Imperial College London, National Heart and Lung Institute, Hammersmith Hospital, London, United Kingdom
| | | | - Nikolaos Magkas
- First Department of Cardiology, 'Hippokration' Hospital, University of Athens, Greece
| | - Anish N Bhuva
- Department of Cardiovascular Imaging, Barts Heart Center, London, United Kingdom; University College London Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Charlotte Manisty
- Department of Cardiovascular Imaging, Barts Heart Center, London, United Kingdom; University College London Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Gabriella Captur
- Royal Free London, National Health Service Foundation Trust, London, United Kingdom; University College London Medical Research Council Unit for Lifelong Health and Aging, University College London, London, United Kingdom; University College London Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Alberto Aimo
- Institute of Life Sciences, Sant'Anna School of Advanced Studies, Pisa, Italy; Cardiology Department, Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Petros Nihoyannopoulos
- Imperial College London, National Heart and Lung Institute, Hammersmith Hospital, London, United Kingdom; First Department of Cardiology, 'Hippokration' Hospital, University of Athens, Greece.
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Determination of scar area using native and post-contrast T1 mapping: Agreement with late gadolinium enhancement. Eur J Radiol 2022; 150:110242. [DOI: 10.1016/j.ejrad.2022.110242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/28/2022] [Accepted: 03/05/2022] [Indexed: 11/15/2022]
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Elwazir MY, Bois JP, Chareonthaitawee P. Utilization of cardiac imaging in sarcoidosis. Expert Rev Cardiovasc Ther 2022; 20:253-266. [DOI: 10.1080/14779072.2022.2069560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Mohamed Y. Elwazir
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Cardiology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - John P. Bois
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
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36
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Pradella S, Mazzoni LN, Letteriello M, Tortoli P, Bettarini S, De Amicis C, Grazzini G, Busoni S, Palumbo P, Belli G, Miele V. FLORA software: semi-automatic LGE-CMR analysis tool for cardiac lesions identification and characterization. Radiol Med 2022; 127:589-601. [DOI: 10.1007/s11547-022-01491-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 03/23/2022] [Indexed: 10/18/2022]
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Li DL, Davogustto G, Soslow JH, Wassenaar JW, Parikh AP, Chew JD, Dendy JM, George-Durrett KM, Parra DA, Clark DE, Hughes SG. Characteristics of COVID-19 Myocarditis With and Without Multisystem Inflammatory Syndrome. Am J Cardiol 2022; 168:135-141. [PMID: 35058054 PMCID: PMC8767902 DOI: 10.1016/j.amjcard.2021.12.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 12/14/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022]
Abstract
Multisystem inflammatory syndrome (MIS) is a severe complication described in a minority of patients with COVID-19. Myocarditis has been reported in patients with COVID-19, including MIS. In this study, we compared the clinical characteristics and cardiac magnetic resonance (CMR) findings of COVID-19 myocarditis in patients with and without MIS. In the 330 patients with COVID-19 who were referred for CMR at our institution between July 24, 2020, to March 31, 2021, 40 patients were identified as having myocarditis, MIS myocarditis (n = 21) and non-MIS myocarditis (n = 19). MIS myocarditis was characterized by global myocardial inflammation/edema with significantly elevated native T1, whereas only regional inflammation, and edema were noted in the non-MIS group. Distinct late gadolinium enhancement (LGE) patterns-inferior myocardial involvement in non-MIS myocarditis and septal involvement in MIS myocarditis-were identified. The LGE burden was comparable between the 2 groups (5.9% vs 6.6%, MIS vs non-MIS group, p = 0.83). Myocarditis was diagnosed more frequently by CMR in the MIS group (70% vs 6.3%, MIS vs non-MIS, p <0.001). In the 20 patients with a sequential CMR study at a median 102-day follow-up, 25% had persistent myocardial edema. The LGE burden improved over time, from a median of 5.0% (interquartile range 3.4% to 7.3%) to 3.2% (interquartile range 2.0% to 3.8%; p <0.001). In conclusion, MIS and non-MIS myocarditis exhibit distinct characteristics by CMR. Persistent LGE and edema were common at follow-up CMR examination in both groups.
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Affiliation(s)
- Dan Leslie Li
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Giovanni Davogustto
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jonathan Harvey Soslow
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee
| | - Jean Wang Wassenaar
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Amar Pradip Parikh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Joshua David Chew
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee
| | - Jeffrey Michael Dendy
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Kristen Marie George-Durrett
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee
| | - David Andres Parra
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee
| | - Daniel Eugene Clark
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
| | - Sean Gillette Hughes
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
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Seraphim A, Dowsing B, Rathod KS, Shiwani H, Patel K, Knott KD, Zaman S, Johns I, Razvi Y, Patel R, Xue H, Jones DA, Fontana M, Cole G, Uppal R, Davies R, Moon JC, Kellman P, Manisty C. Quantitative Myocardial Perfusion Predicts Outcomes in Patients With Prior Surgical Revascularization. J Am Coll Cardiol 2022; 79:1141-1151. [PMID: 35331408 PMCID: PMC9034686 DOI: 10.1016/j.jacc.2021.12.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/23/2021] [Accepted: 12/29/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Patients with previous coronary artery bypass graft (CABG) surgery typically have complex coronary disease and remain at high risk of adverse events. Quantitative myocardial perfusion indices predict outcomes in native vessel disease, but their prognostic performance in patients with prior CABG is unknown. OBJECTIVES In this study, we sought to evaluate whether global stress myocardial blood flow (MBF) and perfusion reserve (MPR) derived from perfusion mapping cardiac magnetic resonance (CMR) independently predict adverse outcomes in patients with prior CABG. METHODS This was a retrospective analysis of consecutive patients with prior CABG referred for adenosine stress perfusion CMR. Perfusion mapping was performed in-line with automated quantification of MBF. The primary outcome was a composite of all-cause mortality and major adverse cardiovascular events defined as nonfatal myocardial infarction and unplanned revascularization. Associations were evaluated with the use of Cox proportional hazards models after adjusting for comorbidities and CMR parameters. RESULTS A total of 341 patients (median age 67 years, 86% male) were included. Over a median follow-up of 638 days (IQR: 367-976 days), 81 patients (24%) reached the primary outcome. Both stress MBF and MPR independently predicted outcomes after adjusting for known prognostic factors (regional ischemia, infarction). The adjusted hazard ratio (HR) for 1 mL/g/min of decrease in stress MBF was 2.56 (95% CI: 1.45-4.35) and for 1 unit of decrease in MPR was 1.61 (95% CI: 1.08-2.38). CONCLUSIONS Global stress MBF and MPR derived from perfusion CMR independently predict adverse outcomes in patients with previous CABG. This effect is independent from the presence of regional ischemia on visual assessment and the extent of previous infarction.
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Affiliation(s)
- Andreas Seraphim
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom. https://twitter.com/andreas_sera
| | - Benjamin Dowsing
- Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Krishnaraj S Rathod
- Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Hunain Shiwani
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Kush Patel
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Kristopher D Knott
- Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Sameer Zaman
- Imperial College London, Imperial College, Healthcare NHS Trust, South Kensington, London, United Kingdom
| | - Ieuan Johns
- Imperial College London, Imperial College, Healthcare NHS Trust, South Kensington, London, United Kingdom
| | | | | | - Hui Xue
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Daniel A Jones
- Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Marianna Fontana
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Royal Free Hospital, London, United Kingdom
| | | | - Rakesh Uppal
- Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom; William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Rhodri Davies
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - James C Moon
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom
| | - Peter Kellman
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Charlotte Manisty
- Institute of Cardiovascular Science, University College London, London, United Kingdom; Barts Heart Centre, St Bartholomew's Hospital, West Smithfield, London, United Kingdom.
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Clark DE, Aggarwal SK, Phillips NJ, Soslow JH, Dendy JM, Hughes SG. Cardiac Magnetic Resonance in the Evaluation of COVID-19. Card Fail Rev 2022; 8:e09. [PMID: 35399549 PMCID: PMC8978025 DOI: 10.15420/cfr.2021.20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 10/26/2021] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular involvement following COVID-19 is heterogeneous, prevalent and is often missed by echocardiography and serum biomarkers (such as troponin I and brain natriuretic peptide). Cardiac magnetic resonance (CMR) is the gold standard non-invasive imaging modality to phenotype unique populations after COVID-19, such as competitive athletes with a heightened risk of sudden cardiac death, patients with multisystem inflammatory syndrome, and people suspected of having COVID-19 vaccine-induced myocarditis. This review summarises the key attributes of CMR, reviews the literature that has emerged for using CMR for people who may have COVID-19-related complications after COVID-19, and offers expert opinion regarding future avenues of investigation and the importance of reporting findings.
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Affiliation(s)
- Daniel E Clark
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Centre, Nashville, TN, US
| | - Sachin K Aggarwal
- Vanderbilt School of Medicine, Vanderbilt University, Nashville, TN, US
| | - Neil J Phillips
- Department of Internal Medicine, Vanderbilt University Medical Centre, Nashville, TN, US
| | - Jonathan H Soslow
- Thomas P Graham Division of Paediatric Cardiology, Department of Paediatrics, Monroe Carell Jr Children’s Hospital at Vanderbilt, Nashville, TN, US
| | - Jeffrey M Dendy
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Centre, Nashville, TN, US
| | - Sean G Hughes
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Centre, Nashville, TN, US
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40
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Almogheer B, Antonopoulos AS, Azzu A, Al Mohdar S, Vlachopoulos C, Pantazis A, Mohiaddin RH. Diagnostic and Prognostic Value of Cardiovascular Magnetic Resonance in Neuromuscular Cardiomyopathies. Pediatr Cardiol 2022; 43:27-38. [PMID: 34342696 DOI: 10.1007/s00246-021-02686-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/23/2021] [Indexed: 10/20/2022]
Abstract
Neuromuscular diseases (NMD) encompass a broad spectrum of diseases with variable type of cardiac involvement and there is lack of clinical data on Cardiovascular Magnetic Resonance (CMR) phenotypes or even prognostic value of CMR in NMD. We explored the diagnostic and prognostic value of CMR in NMD-related cardiomyopathies. The study included retrospective analysis of a cohort of 111 patients with various forms of NMD; mitochondrial: n = 14, Friedreich's ataxia (FA): n = 27, myotonic dystrophy: n = 27, Becker/Duchenne's muscular dystrophy (BMD/DMD): n = 15, Duchenne's carriers: n = 6, other: n = 22. Biventricular volumes and function and myocardial late gadolinium enhancement (LGE) pattern and extent were assessed by CMR. Patients were followed-up for the composite clinical endpoint of death, heart failure development or need for permanent pacemaker/intracardiac defibrillator. The major NMD subtypes, i.e. FA, mitochondrial, BMD/DMD, and myotonic dystrophy had significant differences in the incidence of LGE (56%, 21%, 62% & 30% respectively, chi2 = 9.86, p = 0.042) and type of cardiomyopathy phenotype (chi2 = 13.8, p = 0.008), extent/pattern (p = 0.006) and progression rate of LGE (p = 0.006). In survival analysis the composite clinical endpoint differed significantly between NMD subtypes (p = 0.031), while the subgroup with LGE + and LVEF < 50% had the worst prognosis (Log-rank p = 0.0034). We present data from a unique cohort of NMD patients and provide evidence on the incidence, patterns, and the prognostic value of LGE in NMD-related cardiomyopathy. LGE is variably present in NMD subtypes and correlates with LV remodelling, dysfunction, and clinical outcomes in patients with NMD.
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Affiliation(s)
- Batool Almogheer
- CMR Unit, Royal Brompton and Harefield Hospital NHS Foundation Trust, Sydney Street, Chelsea, London, SW3 6NP, UK
| | - Alexios S Antonopoulos
- CMR Unit, Royal Brompton and Harefield Hospital NHS Foundation Trust, Sydney Street, Chelsea, London, SW3 6NP, UK
- Unit of Inherited Cardiac Conditions, 1st Cardiology Department, University of Athens, Athens, Greece
| | - Alessia Azzu
- CMR Unit, Royal Brompton and Harefield Hospital NHS Foundation Trust, Sydney Street, Chelsea, London, SW3 6NP, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Safaa Al Mohdar
- CMR Unit, Royal Brompton and Harefield Hospital NHS Foundation Trust, Sydney Street, Chelsea, London, SW3 6NP, UK
| | - Charalambos Vlachopoulos
- Unit of Inherited Cardiac Conditions, 1st Cardiology Department, University of Athens, Athens, Greece
| | - Antonios Pantazis
- Cardiomyopathy Unit, Cardiology Department, Royal Brompton Hospital, London, UK
| | - Raad H Mohiaddin
- CMR Unit, Royal Brompton and Harefield Hospital NHS Foundation Trust, Sydney Street, Chelsea, London, SW3 6NP, UK.
- National Heart and Lung Institute, Imperial College London, London, UK.
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41
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Eichhorn C, Greulich S, Bucciarelli-Ducci C, Sznitman R, Kwong RY, Gräni C. Multiparametric Cardiovascular Magnetic Resonance Approach in Diagnosing, Monitoring, and Prognostication of Myocarditis. JACC. CARDIOVASCULAR IMAGING 2021; 15:1325-1338. [PMID: 35592889 DOI: 10.1016/j.jcmg.2021.11.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 11/12/2021] [Accepted: 11/18/2021] [Indexed: 01/14/2023]
Abstract
Myocarditis represents the entity of an inflamed myocardium and is a diagnostic challenge caused by its heterogeneous presentation. Contemporary noninvasive evaluation of patients with clinically suspected myocarditis using cardiac magnetic resonance (CMR) includes dimensions and function of the heart chambers, conventional T2-weighted imaging, late gadolinium enhancement, novel T1 and T2 mapping, and extracellular volume fraction calculation. CMR feature-tracking, texture analysis, and artificial intelligence emerge as potential modern techniques to further improve diagnosis and prognostication in this clinical setting. This review will describe the evidence surrounding different CMR methods and image postprocessing methods and highlight their values for clinical decision making, monitoring, and risk stratification across stages of this condition.
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Affiliation(s)
- Christian Eichhorn
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Simon Greulich
- Department of Cardiology and Angiology, University of Tübingen, Tübingen, Germany
| | - Chiara Bucciarelli-Ducci
- Bristol Heart Institute, NIHR Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, Bristol, United Kingdom
| | - Raphael Sznitman
- Artificial Intelligence in Medical Imaging, ARTORG Center, University of Bern, Bern, Switzerland
| | - Raymond Y Kwong
- Noninvasive Cardiovascular Imaging Section, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Switzerland.
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42
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Asher C, Puyol-Antón E, Rizvi M, Ruijsink B, Chiribiri A, Razavi R, Carr-White G. The Role of AI in Characterizing the DCM Phenotype. Front Cardiovasc Med 2021; 8:787614. [PMID: 34993240 PMCID: PMC8724536 DOI: 10.3389/fcvm.2021.787614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/02/2021] [Indexed: 12/13/2022] Open
Abstract
Dilated Cardiomyopathy is conventionally defined by left ventricular dilatation and dysfunction in the absence of coronary disease. Emerging evidence suggests many patients remain vulnerable to major adverse outcomes despite clear therapeutic success of modern evidence-based heart failure therapy. In this era of personalized medical care, the conventional assessment of left ventricular ejection fraction falls short in fully predicting evolution and risk of outcomes in this heterogenous group of heart muscle disease, as such, a more refined means of phenotyping this disease appears essential. Cardiac MRI (CMR) is well-placed in this respect, not only for its diagnostic utility, but the wealth of information captured in global and regional function assessment with the addition of unique tissue characterization across different disease states and patient cohorts. Advanced tools are needed to leverage these sensitive metrics and integrate with clinical, genetic and biochemical information for personalized, and more clinically useful characterization of the dilated cardiomyopathy phenotype. Recent advances in artificial intelligence offers the unique opportunity to impact clinical decision making through enhanced precision image-analysis tasks, multi-source extraction of relevant features and seamless integration to enhance understanding, improve diagnosis, and subsequently clinical outcomes. Focusing particularly on deep learning, a subfield of artificial intelligence, that has garnered significant interest in the imaging community, this paper reviews the main developments that could offer more robust disease characterization and risk stratification in the Dilated Cardiomyopathy phenotype. Given its promising utility in the non-invasive assessment of cardiac diseases, we firstly highlight the key applications in CMR, set to enable comprehensive quantitative measures of function beyond the standard of care assessment. Concurrently, we revisit the added value of tissue characterization techniques for risk stratification, showcasing the deep learning platforms that overcome limitations in current clinical workflows and discuss how they could be utilized to better differentiate at-risk subgroups of this phenotype. The final section of this paper is dedicated to the allied clinical applications to imaging, that incorporate artificial intelligence and have harnessed the comprehensive abundance of data from genetics and relevant clinical variables to facilitate better classification and enable enhanced risk prediction for relevant outcomes.
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Affiliation(s)
- Clint Asher
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
| | - Esther Puyol-Antón
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
| | - Maleeha Rizvi
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
| | - Bram Ruijsink
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
- Division of Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Amedeo Chiribiri
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
| | - Reza Razavi
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
| | - Gerry Carr-White
- Department of Cardiovascular Imaging, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
- Department of Cardiology, Guys and St Thomas' NHS Trust, London, United Kingdom
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Fischer K, Linder OL, Erne SA, Stark AW, Obrist SJ, Bernhard B, Guensch DP, Huber AT, Kwong RY, Gräni C. Reproducibility and its confounders of CMR feature tracking myocardial strain analysis in patients with suspected myocarditis. Eur Radiol 2021; 32:3436-3446. [PMID: 34932165 PMCID: PMC9038796 DOI: 10.1007/s00330-021-08416-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 08/23/2021] [Accepted: 10/14/2021] [Indexed: 12/13/2022]
Abstract
Objectives Cardiovascular magnetic resonance feature tracking (CMR-FT) is an emerging technique for assessing myocardial strain with valuable diagnostic and prognostic potential. However, the reproducibility of biventricular CMR-FT analysis in a large cardiovascular population has not been assessed. Also, evidence of confounders impacting reader reproducibility for CMR-FT in patients is unknown and currently limits the clinical implementation of this technique. Methods From a dual-center database of patients referred to CMR for suspected myocarditis, 125 patients were randomly selected to undergo biventricular CMR-FT analysis for 2-dimensional systolic and diastolic measures, with additional 3-dimensional analysis for the left ventricle. All image analysis was replicated by a single reader and by a second reader for intra- and inter-reader analysis (Circle Cardiovascular Imaging). Reliability was tested with intraclass correlation (ICC) tests, and the impact of imaging confounders on agreement was assessed through multivariable analysis. Results Left and right ventricular ejection fractions were reduced in 34% and 37% of the patients, respectively. Good to excellent reliability was shown for 2D (all ICC > 0.85) and 3D (all ICC > 0.70) peak strain and early diastolic strain rate for both ventricles in longitudinal orientation as well as circumferential orientations for the left ventricle. An increased slice number improved agreement while the presence of pericardial effusion compromised diastolic strain rate agreement, and arrhythmia compromised right ventricular agreement. Conclusion In a large clinical cohort, we could show CMR-FT yields excellent inter-reader and intra-reader reproducibility. Multi-parametric CMR-FT of the right and left ventricles appears to be a robust tool in cardiovascular patients referred to CMR. Clinical trial registration. ClinicalTrials.gov Identifier: NCT03470571, NCT04774549. Key Points • Cardiovascular magnetic resonance feature tracking (CMR-FT) is an emerging technique to measure myocardial strain in cardiovascular patients referred for CMR; however, the evaluation of its reproducibility in a large cohort has not yet been performed. • In a large clinical cohort, CMR-FT yields excellent inter-reader and intra-reader reproducibility for both left and right ventricular systolic and diastolic parameters. • Arrhythmia and pericardial effusion compromise agreement of select FT parameters, but poor ejection fraction does not. Supplementary Information The online version contains supplementary material available at 10.1007/s00330-021-08416-5.
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Affiliation(s)
- Kady Fischer
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Olivier L Linder
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Sophie A Erne
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Anselm W Stark
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Sarah J Obrist
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Benedikt Bernhard
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Dominik P Guensch
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Adrian T Huber
- Department of Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Raymond Y Kwong
- Department of Medicine, Non-Invasive Cardiovascular Imaging, Brigham and Women's Hospital, Harvard Medical School, Cardiovascular Division, Boston, MA, USA
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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Clark DE, Dendy JM, Li DL, Crum K, Dixon D, George-Durrett K, Parikh AP, Wassenaar JW, Hughes SG, Soslow JH. Cardiovascular magnetic resonance evaluation of soldiers after recovery from symptomatic SARS-CoV-2 infection: a case-control study of cardiovascular post-acute sequelae of SARS-CoV-2 infection (CV PASC). J Cardiovasc Magn Reson 2021; 23:106. [PMID: 34620179 PMCID: PMC8495668 DOI: 10.1186/s12968-021-00798-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/26/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Myocarditis is a potential complication after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and a known cause of sudden cardiac death. Given the athletic demands of soldiers, identification of myocarditis and characterization of post-acute sequelae of SARS-CoV-2 infection with cardiovascular symptoms (CV PASC) may be critical to guide return-to-service. This study sought to evaluate the spectrum of cardiac involvement among soldiers with cardiopulmonary symptoms in the late convalescent phase of recovery from SARS-CoV-2 compared to a healthy soldier control group, and to determine the rate of progression to CV PASC. METHODS All soldiers referred for cardiovascular magnetic resonance (CMR) imaging for cardiopulmonary symptoms following COVID-19 were enrolled and matched by age, gender, and athletic phenotype 1:1 to soldiers undergoing CMR in the year prior to the first case of COVID-19 at our institution. Demographic, clinical, laboratory, and imaging parameters were compared between groups. The diagnosis of acute myocarditis was made using modified Lake Louise criteria. Wilcoxon rank sum and chi-squared tests were used for comparison of continuous and categorical variables, respectively. RESULTS Fifty soldier cases and 50 healthy soldier controls were included. The median time from SARS-CoV-2 detection to CMR was 71 days. The majority of cases experienced moderate symptoms (N = 43, 86%), while only 10% required hospitalization. The right ventricular (RV) ejection fraction (RVEF) was reduced in soldier cases compared to controls (51.0% vs. 53.2%, p = 0.012). Four cases were diagnosed with myocarditis (8%), 1 (2%) was diagnosed with Takotsubo cardiomyopathy, and 1 (2%) had new biventricular systolic dysfunction of unclear etiology. Isolated inferior RV septal insertion late gadolinium enhancement (LGE) was present in 8 cases and 8 controls (16% vs. 24%, p = 0.09). Seven of the 19 (37%) cases that completed an intermediate-term follow-up survey reported CV PASC at a median of 139 days of follow-up. Two of the 7 soldiers (29%) with CV PASC had a pathological clinical diagnosis (myocarditis) on CMR. CONCLUSIONS Cardiovascular pathology was diagnosed in 6 symptomatic soldiers (12%) after recovery from SARS-CoV-2, with myocarditis found in 4 (8%). RVEF was reduced in soldier cases compared to controls. CV PASC occurred in over one-third of soldiers surveyed, but did not occur in any soldiers with asymptomatic acute SARS-CoV-2 infection.
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Affiliation(s)
- Daniel E Clark
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
- Vanderbilt University Medical Center, 2220 Pierce Avenue, 383 Preston Research Building, Nashville, TN, 37237, USA.
| | - Jeffrey M Dendy
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dan L Li
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kimberly Crum
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, USA
| | - Debra Dixon
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kristen George-Durrett
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, USA
| | - Amar P Parikh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jean W Wassenaar
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Sean G Hughes
- Division of Cardiovascular Medicine, Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jonathan H Soslow
- Thomas P. Graham Division of Pediatric Cardiology, Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, USA
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Pawar P, Mumtaz Z, Phadke M, Bharati A, Mahajan A. Is left atrial fibrosis an independent determinant of atrial fibrillation in mitral stenosis? Indian Heart J 2021; 73:503-505. [PMID: 34474767 PMCID: PMC8424361 DOI: 10.1016/j.ihj.2021.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 11/25/2022] Open
Abstract
We prospectively studied whether left atrial (LA) fibrosis is a determinant of atrial fibrillation (AF) in mitral stenosis in patients who underwent balloon mitral valvotomy. There were 2 groups: Group A (n = 16), with AF and Group B (n = 27), without AF. Fibrosis was assessed by MRI. Patients underwent cardioversion before MRI. There were 27 females and 16 males, aged 29 ± 6 years. The LA areas in Groups A and B were 54.3 ± 4.4 mm2 and 39.4 ± 2.3 mm2 (p < 0.05) and the LA volume index was 46.2 ± 2.9 ml/m2 vs 33 ± 3 ml/m2 respectively (p < 0.0001). The presence of LA scarring was not statistically different in the two groups.
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Affiliation(s)
- Prashant Pawar
- Department of Cardiology, Lokmanya Tilak Municipal Medical College & Hospital, Mumbai, India
| | - Zeeshan Mumtaz
- Department of Cardiology, Lokmanya Tilak Municipal Medical College & Hospital, Mumbai, India
| | - Milind Phadke
- Department of Cardiology, Lokmanya Tilak Municipal Medical College & Hospital, Mumbai, India.
| | - Alpa Bharati
- Department of Radiology, Lokmanya Tilak Municipal Medical College & Hospital, Mumbai, India
| | - Ajay Mahajan
- Department of Cardiology, Lokmanya Tilak Municipal Medical College & Hospital, Mumbai, India
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Zhang Q, Burrage MK, Lukaschuk E, Shanmuganathan M, Popescu IA, Nikolaidou C, Mills R, Werys K, Hann E, Barutcu A, Polat SD, Salerno M, Jerosch-Herold M, Kwong RY, Watkins HC, Kramer CM, Neubauer S, Ferreira VM, Piechnik SK. Toward Replacing Late Gadolinium Enhancement With Artificial Intelligence Virtual Native Enhancement for Gadolinium-Free Cardiovascular Magnetic Resonance Tissue Characterization in Hypertrophic Cardiomyopathy. Circulation 2021; 144:589-599. [PMID: 34229451 PMCID: PMC8378544 DOI: 10.1161/circulationaha.121.054432] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/27/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) imaging is the gold standard for noninvasive myocardial tissue characterization but requires intravenous contrast agent administration. It is highly desired to develop a contrast agent-free technology to replace LGE for faster and cheaper CMR scans. METHODS A CMR virtual native enhancement (VNE) imaging technology was developed using artificial intelligence. The deep learning model for generating VNE uses multiple streams of convolutional neural networks to exploit and enhance the existing signals in native T1 maps (pixel-wise maps of tissue T1 relaxation times) and cine imaging of cardiac structure and function, presenting them as LGE-equivalent images. The VNE generator was trained using generative adversarial networks. This technology was first developed on CMR datasets from the multicenter Hypertrophic Cardiomyopathy Registry, using hypertrophic cardiomyopathy as an exemplar. The datasets were randomized into 2 independent groups for deep learning training and testing. The test data of VNE and LGE were scored and contoured by experienced human operators to assess image quality, visuospatial agreement, and myocardial lesion burden quantification. Image quality was compared using a nonparametric Wilcoxon test. Intra- and interobserver agreement was analyzed using intraclass correlation coefficients (ICC). Lesion quantification by VNE and LGE were compared using linear regression and ICC. RESULTS A total of 1348 hypertrophic cardiomyopathy patients provided 4093 triplets of matched T1 maps, cines, and LGE datasets. After randomization and data quality control, 2695 datasets were used for VNE method development and 345 were used for independent testing. VNE had significantly better image quality than LGE, as assessed by 4 operators (n=345 datasets; P<0.001 [Wilcoxon test]). VNE revealed lesions characteristic of hypertrophic cardiomyopathy in high visuospatial agreement with LGE. In 121 patients (n=326 datasets), VNE correlated with LGE in detecting and quantifying both hyperintensity myocardial lesions (r=0.77-0.79; ICC=0.77-0.87; P<0.001) and intermediate-intensity lesions (r=0.70-0.76; ICC=0.82-0.85; P<0.001). The native CMR images (cine plus T1 map) required for VNE can be acquired within 15 minutes and producing a VNE image takes less than 1 second. CONCLUSIONS VNE is a new CMR technology that resembles conventional LGE but without the need for contrast administration. VNE achieved high agreement with LGE in the distribution and quantification of lesions, with significantly better image quality.
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Affiliation(s)
- Qiang Zhang
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Matthew K. Burrage
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Elena Lukaschuk
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Mayooran Shanmuganathan
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Iulia A. Popescu
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Chrysovalantou Nikolaidou
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Rebecca Mills
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Konrad Werys
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Evan Hann
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Ahmet Barutcu
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
| | - Suleyman D. Polat
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
| | | | - Michael Salerno
- Department of Medicine, University of Virginia Health System, Charlottesville, VA (M.Salerno, C.M.K.)
| | - Michael Jerosch-Herold
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (M.J-H., R.Y.K.)
| | - Raymond Y. Kwong
- Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (M.J-H., R.Y.K.)
| | - Hugh C. Watkins
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Christopher M. Kramer
- Department of Medicine, University of Virginia Health System, Charlottesville, VA (M.Salerno, C.M.K.)
| | - Stefan Neubauer
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Vanessa M. Ferreira
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
| | - Stefan K. Piechnik
- Oxford Centre for Clinical Magnetic Resonance Research, Oxford Biomedical Research Centre National Institute for Health Research, Division of Cardiovascular (Q.Z., M.J.B., E.L., M.Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., A.B., S.D.P., H.C.W., S.N., V.M.F., S.K.P.)
- Radcliffe Department of Medicine (Q.Z., M.J.B., E.L., M. Shanmuganathan, I.A.P., C.N., R.M., K.W., E.H., H.C.W., S.N., V.M.F., S.K.P.), University of Oxford, UK
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Kato Y, Kizer JR, Ostovaneh MR, Lazar J, Peng Q, van der Geest RJ, Lima JAC, Ambale-Venkatesh B. Extracellular volume-guided late gadolinium enhancement analysis for non-ischemic cardiomyopathy: The Women's Interagency HIV Study. BMC Med Imaging 2021; 21:116. [PMID: 34315432 PMCID: PMC8314536 DOI: 10.1186/s12880-021-00649-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/16/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Quantification of non-ischemic myocardial scar remains a challenge due to the patchy diffuse nature of fibrosis. Extracellular volume (ECV) to guide late gadolinium enhancement (LGE) analysis may achieve a robust scar assessment. METHODS Three cohorts of 80 non-ischemic-training, 20 non-ischemic-validation, and 10 ischemic-validation were prospectively enrolled and underwent 3.0 Tesla cardiac MRI. An ECV cutoff to differentiate LGE scar from non-scar was identified in the training cohort from the receiver-operating characteristic curve analysis, by comparing the ECV value against the visually-determined presence/absence of the LGE scar at the highest signal intensity (SI) area of the mid-left ventricle (LV) LGE. Based on the ECV cutoff, an LGE semi-automatic threshold of n-times of standard-deviation (n-SD) above the remote-myocardium SI was optimized in the individual cases ensuring correspondence between LGE and ECV images. The inter-method agreement of scar amount in comparison with manual (for non-ischemic) or full-width half-maximum (FWHM, for ischemic) was assessed. Intra- and inter-observer reproducibility were investigated in a randomly chosen subset of 40 non-ischemic and 10 ischemic cases. RESULTS The non-ischemic groups were all female with the HIV positive rate of 73.8% (training) and 80% (validation). The ischemic group was all male with reduced LV function. An ECV cutoff of 31.5% achieved optimum performance (sensitivity: 90%, specificity: 86.7% in training; sensitivity: 100%, specificity: 81.8% in validation dataset). The identified n-SD threshold varied widely (range 3 SD-18 SD), and was independent of scar amount (β = -0.01, p = 0.92). In the non-ischemic cohorts, results suggested that the manual LGE assessment overestimated scar (%) in comparison to ECV-guided analysis [training: 4.5 (3.2-6.4) vs. 0.92 (0.1-2.1); validation: 2.5 (1.2-3.7) vs. 0.2 (0-1.6); P < 0.01 for both]. Intra- and inter-observer analyses of global scar (%) showed higher reproducibility in ECV-guided than manual analysis with CCC = 0.94 and 0.78 versus CCC = 0.86 and 0.73, respectively (P < 0.01 for all). In ischemic validation, the ECV-guided LGE analysis showed a comparable scar amount and reproducibility with the FWHM. CONCLUSIONS ECV-guided LGE analysis is a robust scar quantification method for a non-ischemic cohort. Trial registration ClinicalTrials.gov; NCT00000797, retrospectively-registered 2 November 1999; NCT02501811, registered 15 July 2015.
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Affiliation(s)
- Yoko Kato
- Department of Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Jorge R Kizer
- Cardiology Section, San Francisco Veterans Affairs Health Care System, and Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
| | | | - Jason Lazar
- SUNY Downstate Medical Center, New York, NY, USA
| | - Qi Peng
- Albert Einstein College of Medicine, New York, NY, USA
| | - Rob J van der Geest
- Department of Radiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Joao A C Lima
- Department of Cardiology, Johns Hopkins University, Baltimore, MD, USA
| | - Bharath Ambale-Venkatesh
- Division of Radiology, Johns Hopkins University School of Medicine, 600 N Wolfe Street MR 110, Baltimore, MD, 21287, USA.
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Meindl C, Paulus M, Poschenrieder F, Zeman F, Maier LS, Debl K. Patients with acute myocarditis and preserved systolic left ventricular function: comparison of global and regional longitudinal strain imaging by echocardiography with quantification of late gadolinium enhancement by CMR. Clin Res Cardiol 2021; 110:1792-1800. [PMID: 34086089 PMCID: PMC8563632 DOI: 10.1007/s00392-021-01885-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/27/2021] [Indexed: 12/16/2022]
Abstract
Background Conventional transthoracic echocardiography (TTE) does often not accurately reveal pathologies in patients with acute myocarditis and preserved left ventricular ejection fraction (LVEEF). Therefore, we investigated the diagnostic value of two-dimensional (2D) speckle tracking echocardiography compared to late gadolinium enhancement (LGE) by cardiac magnetic resonance (CMR) imaging in patients with acute myocarditis and normal global LVEF. Methods and results 31 patients (group 1) with the diagnosis of acute myocarditis confirmed by CMR according to the Lake Louise criteria and 20 healthy controls (group 2) were analyzed including global longitudinal strain (GLS) and regional longitudinal strain (RLS) derived by the bull’s eye plot. Although preserved LVEF was present in both groups, GLS was significantly lower in patients with acute myocarditis (group 1: GLS − 19.1 ± 1.8% vs. group 2: GLS − 22.1 ± 1.7%, p < 0.001). Compared to controls, lower RLS values were detected predominantly in the lateral, inferolateral, and inferior segments in patients with acute myocarditis. Additionally RLS values were significantly lower in segments without LGE. Conclusion In patients with acute myocarditis and preserved LVEF, a significant reduction of GLS compared to healthy subjects was detected. Further RLS adds important information to the localization and extent of myocardial injury. Graphic abstract ![]()
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Affiliation(s)
- Christine Meindl
- Department of Internal Medicine II, University Hospital Regensburg, 93053, Regensburg, Germany.
| | - Michael Paulus
- Department of Internal Medicine II, University Hospital Regensburg, 93053, Regensburg, Germany
| | | | - Florian Zeman
- Center for Clinical Studies, University Hospital Regensburg, Regensburg, Germany
| | - Lars S Maier
- Department of Internal Medicine II, University Hospital Regensburg, 93053, Regensburg, Germany
| | - Kurt Debl
- Department of Internal Medicine II, University Hospital Regensburg, 93053, Regensburg, Germany
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van der Velde N, Hassing HC, Bakker BJ, Wielopolski PA, Lebel RM, Janich MA, Kardys I, Budde RPJ, Hirsch A. Improvement of late gadolinium enhancement image quality using a deep learning-based reconstruction algorithm and its influence on myocardial scar quantification. Eur Radiol 2021; 31:3846-3855. [PMID: 33219845 PMCID: PMC8128730 DOI: 10.1007/s00330-020-07461-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 10/09/2020] [Accepted: 11/03/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVES The aim of this study was to assess the effect of a deep learning (DL)-based reconstruction algorithm on late gadolinium enhancement (LGE) image quality and to evaluate its influence on scar quantification. METHODS Sixty patients (46 ± 17 years, 50% male) with suspected or known cardiomyopathy underwent CMR. Short-axis LGE images were reconstructed using the conventional reconstruction and a DL network (DLRecon) with tunable noise reduction (NR) levels from 0 to 100%. Image quality of standard LGE images and DLRecon images with 75% NR was scored using a 5-point scale (poor to excellent). In 30 patients with LGE, scar size was quantified using thresholding techniques with different standard deviations (SD) above remote myocardium, and using full width at half maximum (FWHM) technique in images with varying NR levels. RESULTS DLRecon images were of higher quality than standard LGE images (subjective quality score 3.3 ± 0.5 vs. 3.6 ± 0.7, p < 0.001). Scar size increased with increasing NR levels using the SD methods. With 100% NR level, scar size increased 36%, 87%, and 138% using 2SD, 4SD, and 6SD quantification method, respectively, compared to standard LGE images (all p values < 0.001). However, with the FWHM method, no differences in scar size were found (p = 0.06). CONCLUSIONS LGE image quality improved significantly using a DL-based reconstruction algorithm. However, this algorithm has an important impact on scar quantification depending on which quantification technique is used. The FWHM method is preferred because of its independency of NR. Clinicians should be aware of this impact on scar quantification, as DL-based reconstruction algorithms are being used. KEY POINTS • The image quality based on (subjective) visual assessment and image sharpness of late gadolinium enhancement images improved significantly using a deep learning-based reconstruction algorithm that aims to reconstruct high signal-to-noise images using a denoising technique. • Special care should be taken when scar size is quantified using thresholding techniques with different standard deviations above remote myocardium because of the large impact of these advanced image enhancement algorithms. • The full width at half maximum method is recommended to quantify scar size when deep learning algorithms based on noise reduction are used, as this method is the least sensitive to the level of noise and showed the best agreement with visual late gadolinium enhancement assessment.
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Affiliation(s)
- Nikki van der Velde
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - H Carlijne Hassing
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Brendan J Bakker
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Piotr A Wielopolski
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | | | | | - Isabella Kardys
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Ricardo P J Budde
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Alexander Hirsch
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands.
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
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Guía ESC 2020 sobre cardiología del deporte y el ejercicio en pacientes con enfermedad cardiovascular. Rev Esp Cardiol 2021. [DOI: 10.1016/j.recesp.2020.11.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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