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Jacquemyn X, Long R, Rao S, Danford D, Barnes BT, Kutty S. Impaired Myocardial Work in Children with Hypertrophic Cardiomyopathy and Left Ventricular Fibrosis on Cardiac Magnetic Resonance Imaging. Pediatr Cardiol 2024:10.1007/s00246-024-03543-4. [PMID: 38880797 DOI: 10.1007/s00246-024-03543-4] [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: 04/08/2024] [Accepted: 06/06/2024] [Indexed: 06/18/2024]
Abstract
Echocardiography is pivotal for diagnosis and monitoring of hypertrophic cardiomyopathy (HCM) and can evaluate myocardial function using myocardial work (MW) calculations. Echocardiography is often supplemented by cardiovascular magnetic resonance (CMR) imaging, which can detect myocardial fibrosis using late gadolinium enhancement (LGE). We sought to study the relationship between baseline LGE and MW at baseline and during follow-up in pediatric HCM patients. During the study period (2008-2023), 75 patients were followed up for HCM. In 14 patients (age 14.2 ± 2.8 years, 50.0% male, 6.4 ± 2.9 years follow-up), both LGE-CMR and echocardiography were performed. Global work index (GWI), global constructive work (GCW), global wasted work, and global work efficiency (GWE) were measured, and myocardial fibrosis was estimated by qualitative assessment of LGE. Patients with LGE (n = 7) exhibited significantly impaired baseline MW, including GWI (mean difference, MD - 487.4 mmHg %, 95% CI [- 866.8 mmHg % to - 108.3 mmHg %], p = 0.027), GCW (MD - 536.8 mmHg %, 95% CI [- 929.8 mmHg % to - 144.4 mmHg %], p = 0.020), and GWE (MD - 4.4%, 95% CI [- 8.1% to - 0.7%], p = 0.039). Regional analysis revealed impaired MW indices in segments with LGE, notably basal and mid septal segments. GWI demonstrated high diagnostic performance for LGE presence (sensitivity 93%, specificity 88%, and area under receiver operating characteristic curve 0.85). Baseline LGE presence had no significant impact on MW deterioration during follow-up. MW is significantly impaired in HCM patients with myocardial fibrosis, highlighting potential utility of echocardiography-derived MW analysis as a valuable tool.
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Affiliation(s)
- Xander Jacquemyn
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Rita Long
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Sruti Rao
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - David Danford
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Benjamin T Barnes
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Shelby Kutty
- The Blalock-Taussig-Thomas Pediatric and Congenital Heart Center, Department of Pediatrics, Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
- Johns Hopkins Hospital, 1800 Orleans St, M2315, Baltimore, MD, 21287, USA.
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Ommen SR, Ho CY, Asif IM, Balaji S, Burke MA, Day SM, Dearani JA, Epps KC, Evanovich L, Ferrari VA, Joglar JA, Khan SS, Kim JJ, Kittleson MM, Krittanawong C, Martinez MW, Mital S, Naidu SS, Saberi S, Semsarian C, Times S, Waldman CB. 2024 AHA/ACC/AMSSM/HRS/PACES/SCMR Guideline for the Management of Hypertrophic Cardiomyopathy: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. J Am Coll Cardiol 2024; 83:2324-2405. [PMID: 38727647 DOI: 10.1016/j.jacc.2024.02.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/20/2024]
Abstract
AIM The "2024 AHA/ACC/AMSSM/HRS/PACES/SCMR Guideline for the Management of Hypertrophic Cardiomyopathy" provides recommendations to guide clinicians in the management of patients with hypertrophic cardiomyopathy. METHODS A comprehensive literature search was conducted from September 14, 2022, to November 22, 2022, encompassing studies, reviews, and other evidence on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, the Agency for Healthcare Research and Quality, and other selected databases relevant to this guideline. Additional relevant studies, published through May 23, 2023, during the guideline writing process, were also considered by the writing committee and added to the evidence tables, where appropriate. STRUCTURE Hypertrophic cardiomyopathy remains a common genetic heart disease reported in populations globally. Recommendations from the "2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy" have been updated with new evidence to guide clinicians.
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3
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Ommen SR, Ho CY, Asif IM, Balaji S, Burke MA, Day SM, Dearani JA, Epps KC, Evanovich L, Ferrari VA, Joglar JA, Khan SS, Kim JJ, Kittleson MM, Krittanawong C, Martinez MW, Mital S, Naidu SS, Saberi S, Semsarian C, Times S, Waldman CB. 2024 AHA/ACC/AMSSM/HRS/PACES/SCMR Guideline for the Management of Hypertrophic Cardiomyopathy: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. Circulation 2024; 149:e1239-e1311. [PMID: 38718139 DOI: 10.1161/cir.0000000000001250] [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] [Indexed: 06/05/2024]
Abstract
AIM The "2024 AHA/ACC/AMSSM/HRS/PACES/SCMR Guideline for the Management of Hypertrophic Cardiomyopathy" provides recommendations to guide clinicians in the management of patients with hypertrophic cardiomyopathy. METHODS A comprehensive literature search was conducted from September 14, 2022, to November 22, 2022, encompassing studies, reviews, and other evidence on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, the Agency for Healthcare Research and Quality, and other selected databases relevant to this guideline. Additional relevant studies, published through May 23, 2023, during the guideline writing process, were also considered by the writing committee and added to the evidence tables, where appropriate. STRUCTURE Hypertrophic cardiomyopathy remains a common genetic heart disease reported in populations globally. Recommendations from the "2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy" have been updated with new evidence to guide clinicians.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Victor A Ferrari
- AHA/ACC Joint Committee on Clinical Practice Guidelines liaison
- SCMR representative
| | | | - Sadiya S Khan
- ACC/AHA Joint Committee on Performance Measures representative
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Fontanges PA, Marquie C, Houeijeh A, Baudelet JB, Richard A, Amenyah C, Lucidarme S, Bonnet M, Delarue A, Bichali S, Assi NA, Marechaux S, Menet A, Vaksmann G, Godart F, Domanski O. Evaluation of new predictive scores for sudden cardiac death in childhood hypertrophic cardiomyopathy in a French cohort. Arch Cardiovasc Dis 2024; 117:402-408. [PMID: 38821762 DOI: 10.1016/j.acvd.2024.03.003] [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: 12/15/2023] [Revised: 03/14/2024] [Accepted: 03/25/2024] [Indexed: 06/02/2024]
Abstract
BACKGROUND Hypertrophic cardiomyopathy (HCM) is rare in children, and sudden cardiac death (SCD) is difficult to predict. Two prognostic scores - HCM Risk-Kids and Precision Medicine for Cardiomyopathy (PRIMaCY) - were developed to assess the risk of SCD in the next 5 years in children with HCM. AIMS To test the ability of these scores to predict SCD in children with HCM. Also, to identify factors associated with a severe cardiac rhythmic event (SCRE) (ventricular fibrillation, sustained ventricular tachycardia, heart transplant for rhythmic reasons or SCD). METHODS Retrospective, multicentre, observational study at 10 medical centres in the Nord-Pas-de-Calais region, France. RESULTS This study included 72 paediatric patients with HCM during 2009-2019 who were followed for a median (interquartile range [IQR]) of 8.5 (5.0-16.2) years. Eleven patients (15.3%) presented with SCRE. HCM Risk-Kids was high, with a median (IQR) score of 6.2% (2.1-12.8%; significant threshold≥6.0%) and the PRIMaCY median (IQR) score was 7.1% (2.6-15.0%; significant threshold≥8.3%). The positive predictive value was only 27.1% (95% confidence interval [CI] 21.5-32.5%) for HCM Risk-Kids (with a threshold of≥6.0%) and 33.2% (95% CI 27.1-38.9%) for the PRIMaCY score (with a threshold of≥8.3%). The negative predictive values were 95.4% (95% CI 92.3-97.7%) and 93.0% (95% CI 89.8-96.2%), respectively. Three of 28 patients with an implantable cardioverter defibrillator (ICD) experienced complications (including inappropriate shocks). CONCLUSION HCM Risk-Kids and the PRIMaCY score have low positive predictive values to predict SCD in paediatric patients. If used alone, they could increase the rate of ICD implantation and thus ICD complications. Therefore, the scores should be used in combination with other data (genetic and magnetic resonance imaging results).
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MESH Headings
- Humans
- Death, Sudden, Cardiac/prevention & control
- Death, Sudden, Cardiac/etiology
- Death, Sudden, Cardiac/epidemiology
- Male
- Female
- France/epidemiology
- Cardiomyopathy, Hypertrophic/mortality
- Cardiomyopathy, Hypertrophic/complications
- Cardiomyopathy, Hypertrophic/physiopathology
- Cardiomyopathy, Hypertrophic/therapy
- Cardiomyopathy, Hypertrophic/diagnosis
- Child
- Retrospective Studies
- Predictive Value of Tests
- Risk Factors
- Risk Assessment
- Child, Preschool
- Adolescent
- Time Factors
- Prognosis
- Decision Support Techniques
- Age Factors
- Infant
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Affiliation(s)
- Pierre-Alexandre Fontanges
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France.
| | - Christelle Marquie
- Department of Cardiology, University of Lille, CHU de Lille, 59000 Lille, France
| | - Ali Houeijeh
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Jean-Benoît Baudelet
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | | | - Christian Amenyah
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Sophie Lucidarme
- Department of Neonatology, Centre Hospitalier d'Arras, Arras, France
| | - Mathilde Bonnet
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Alexandre Delarue
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Saïd Bichali
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Nala Abou Assi
- Department of Pediatrics, Centre Hospitalier de Valenciennes, Valenciennes, France
| | | | - Aymeric Menet
- Laboratoire de l'ICL, université catholique de Lille, 59000 Lille, France
| | | | - François Godart
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
| | - Olivia Domanski
- Department of Pediatric and Congenital Heart Diseases, University of Lille, CHU de Lille, 59000 Lille, France
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Spaapen TOM, Bohte AE, Slieker MG, Grotenhuis HB. Cardiac MRI in diagnosis, prognosis, and follow-up of hypertrophic cardiomyopathy in children: current perspectives. Br J Radiol 2024; 97:875-881. [PMID: 38331407 PMCID: PMC11075988 DOI: 10.1093/bjr/tqae033] [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: 04/06/2022] [Revised: 09/15/2023] [Accepted: 02/03/2024] [Indexed: 02/10/2024] Open
Abstract
Hypertrophic Cardiomyopathy (HCM) is an inherited myocardial disease characterised by left ventricular hypertrophy, which carries an increased risk of life-threatening arrhythmias and sudden cardiac death. The age of presentation and the underlying aetiology have a significant impact on the prognosis and quality of life of children with HCM, as childhood-onset HCM is associated with high mortality risk and poor long-term outcomes. Accurate cardiac assessment and identification of the HCM phenotype are therefore crucial to determine the diagnosis, prognostic stratification, and follow-up. Cardiac magnetic resonance (CMR) is a comprehensive evaluation tool capable of providing information on cardiac morphology and function, flow, perfusion, and tissue characterisation. CMR allows to detect subtle abnormalities in the myocardial composition and characterise the heterogeneous phenotypic expression of HCM. In particular, the detection of the degree and extent of myocardial fibrosis, using late-gadolinium enhanced sequences or parametric mapping, is unique for CMR and is of additional value in the clinical assessment and prognostic stratification of paediatric HCM patients. Additionally, childhood HCM can be progressive over time. The rate, timing, and degree of disease progression vary from one patient to the other, so close cardiac monitoring and serial follow-up throughout the life of the diagnosed patients is of paramount importance. In this review, an update of the use of CMR in childhood HCM is provided, focussing on its clinical role in diagnosis, prognosis, and serial follow-up.
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Affiliation(s)
- Tessa O M Spaapen
- Department of Paediatric Cardiology, University Medical Centre Utrecht/Wilhelmina Children's Hospital, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Anneloes E Bohte
- Department of Radiology and Nuclear Medicine, University Medical Centre Utrecht/Wilhelmina Children's Hospital, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Martijn G Slieker
- Department of Paediatric Cardiology, University Medical Centre Utrecht/Wilhelmina Children's Hospital, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Heynric B Grotenhuis
- Department of Paediatric Cardiology, University Medical Centre Utrecht/Wilhelmina Children's Hospital, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
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Townsend M, Jeewa A, Khoury M, Cunningham C, George K, Conway J. Unique Aspects of Hypertrophic Cardiomyopathy in Children. Can J Cardiol 2024; 40:907-920. [PMID: 38244986 DOI: 10.1016/j.cjca.2024.01.013] [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: 11/11/2023] [Revised: 01/03/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is a primary heart muscle disease characterized by left ventricular hypertrophy that can be asymptomatic or with presentations that vary from left ventricular outflow tract obstruction, heart failure from diastolic dysfunction, arrhythmias, and/or sudden cardiac death. Children younger than 1 year of age tend to have worse outcomes and often have HCM secondary to inborn errors of metabolism or syndromes such as RASopathies. For children who survive or are diagnosed after 1 year of age, HCM outcomes are often favourable and similar to those seen in adults. This is because of sudden cardiac death risk stratification and medical and surgical innovations. Genetic testing and timely cardiac screening are paving the way for disease-modifying treatment as gene-specific therapies are being developed.
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Affiliation(s)
- Madeleine Townsend
- Department of Cardiology, Cleveland Clinic Children's Hospital, Cleveland, Ohio, USA
| | - Aamir Jeewa
- Division of Cardiology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Michael Khoury
- Division of Pediatric Cardiology, Stollery Children's Hospital, Edmonton, Alberta, Canada
| | | | - Kristen George
- Division of Cardiology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Jennifer Conway
- Division of Pediatric Cardiology, Stollery Children's Hospital, Edmonton, Alberta, Canada.
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7
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Kato S, Kitai T, Utsunomiya D, Azuma M, Fukui K, Hagiwara E, Ogura T, Ishibashi Y, Okada T, Kitakata H, Shiraishi Y, Torii S, Ohashi K, Takamatsu K, Yokoyama A, Hirata KI, Matsue Y, Node K. Myocardial Injury by COVID-19 Infection Assessed by Cardiovascular Magnetic Resonance Imaging - A Prospective Multicenter Study. Circ J 2024:CJ-23-0729. [PMID: 38556299 DOI: 10.1253/circj.cj-23-0729] [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: 04/02/2024]
Abstract
BACKGROUND This prospective multicenter study assessed the prevalence of myocardial injury in patients with COVID-19 using cardiac magnetic resonance imaging (CMR).Methods and Results: We prospectively screened 505 patients with moderate to severe COVID-19 disease from 7 hospitals in Japan. Of these patients, 31 (mean [±SD] age 63.5±10.4 years, 23 [74%] male) suspected of myocardial injury, based on elevated serum troponin or B-type natriuretic peptide concentrations either upon admission or 3 months after discharge, underwent CMR 3 months after discharge. The primary endpoint was the presence of myocardial injury, defined by any of the following: (1) contrast enhancement in the left or right ventricle myocardium on late gadolinium enhancement CMR; (2) left or right ventricular dysfunction (defined as <50% and <45%, respectively); and (3) pericardial thickening on contrast enhancement. The mean (±SD) duration between diagnosis and CMR was 117±16 days. The primary endpoint was observed in 13 of 31 individuals (42%), with 8 (26%) satisfying the modified Lake Louise Criteria for the diagnosis of acute myocarditis. CONCLUSIONS This study revealed a high incidence of myocardial injury identified by CMR in patients with moderate to severe COVID-19 and abnormal findings for cardiac biomarkers.
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Affiliation(s)
- Shingo Kato
- Department of Diagnostic Radiology, Yokohama City University Graduate School of Medicine
| | - Takeshi Kitai
- Department of Cardiology, National Cerebral and Cardiovascular Center
| | - Daisuke Utsunomiya
- Department of Diagnostic Radiology, Yokohama City University Graduate School of Medicine
| | - Mai Azuma
- Department of Cardiology, Kanagawa Cardiovascular and Respiratory Center
| | - Kazuki Fukui
- Department of Cardiology, Kanagawa Cardiovascular and Respiratory Center
| | - Eri Hagiwara
- Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center
| | - Takashi Ogura
- Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center
| | - Yuki Ishibashi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
| | - Taiji Okada
- Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital
| | - Hiroki Kitakata
- Department of Cardiology, Keio University School of Medicine
| | | | - Shunsuke Torii
- Department of Cardiology, National Center for Global Health and Medicine
| | - Koichi Ohashi
- Department of Cardiology, Tokyo Metropolitan Bokutoh Hospital
| | - Kazufumi Takamatsu
- Department of Respiratory Medicine and Allergology, Kochi Medical School, Kochi University
| | - Akihito Yokoyama
- Department of Respiratory Medicine and Allergology, Kochi Medical School, Kochi University
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
| | - Yuya Matsue
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine
| | - Koichi Node
- Department of Cardiovascular Medicine, Saga University
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8
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Ong LT, Fan SWD. Prevalence and clinical significance of late gadolinium enhancement in children and adolescents with hypertrophic cardiomyopathy: a systematic review and meta-analysis. Cardiol Young 2024:1-10. [PMID: 38433549 DOI: 10.1017/s1047951124000337] [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: 03/05/2024]
Abstract
OBJECTIVES Hypertrophic cardiomyopathy is the leading cause of sudden cardiac death among the paediatric population. The aim of this study is to investigate the prevalence and clinical significance of late gadolinium enhancement, as assessed by cardiac MRI, in paediatric hypertrophic cardiomyopathy. METHODS A systematic literature search was conducted in PubMed, SCOPUS, and Ovid SP to identify relevant studies. Pooled estimates with a 95% confidence interval were calculated using the random-effects generic inverse variance model. Statistical analysis was performed using Review Manager v5.4 and R programming. RESULTS Seventeen studies were included in this meta-analysis, encompassing a total of 778 patients. Late gadolinium enhancement was highly prevalent in paediatric hypertrophic cardiomyopathy, with a pooled prevalence of 51% (95% confidence interval, 40-62%). The estimated extent of focal fibrosis expressed as a percentage of left ventricular mass was 4.70% (95% confidence interval, 2.11-7.30%). The presence of late gadolinium enhancement was associated with an increased risk of adverse cardiac events (pooled odds ratio 3.49, 95% confidence interval 1.10-11.09). The left ventricular mass index of late gadolinium enhancement-positive group was higher than the negative group, with a standardised mean difference of 0.91 (95% confidence interval, 0.42-1.41). CONCLUSION This meta-analysis demonstrates that prevalence of late gadolinium enhancement in paediatric hypertrophic cardiomyopathy is similar to that in the adult population. The presence and extent of late gadolinium enhancement are independent predictors of adverse cardiac events, underscoring their prognostic significance among the paediatric population.
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Affiliation(s)
- Leong Tung Ong
- Faculty of Medicine, University of Malaya, Kuala Lumpur, WP, Malaysia
| | - Si Wei David Fan
- Faculty of Medicine, University of Malaya, Kuala Lumpur, WP, Malaysia
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9
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Chen S, Hu J, Xu Y, Yan J, Li S, Chen L, Zhang J. Transcriptome analysis of human hypertrophic cardiomyopathy reveals inhibited cardiac development pathways in children. iScience 2024; 27:108642. [PMID: 38205249 PMCID: PMC10777066 DOI: 10.1016/j.isci.2023.108642] [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: 04/10/2023] [Revised: 10/22/2023] [Accepted: 12/01/2023] [Indexed: 01/12/2024] Open
Abstract
The epidemiological, etiological, and clinical characteristics vary greatly between pediatric (P-HCM) and adult (A-HCM) hypertrophic cardiomyopathy (HCM) patients, and the understanding of the heterogeneous pathogenesis mechanisms is insufficient to date. In this study, we aimed to comprehensively assess the respective transcriptome signatures and uncover the essential differences in gene expression patterns among A-HCM and P-HCM. The transcriptome data of adults were collected from public data (GSE89714), and novel pediatric data were first obtained by RNA sequencing from 14 P-HCM and 9 infantile donor heart samples. Our study demonstrates the common signatures of myofilament or protein synthesis and calcium ion regulation pathways in HCM. Mitochondrial function is specifically dysregulated in A-HCM, whereas the inhibition of cardiac developing networks typifies P-HCM. These findings not only distinguish the transcriptome characteristics in children and adults with HCM but also reveal the potential mechanism of the higher incidence of septal defects in P-HCM patients.
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Affiliation(s)
- Shi Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingjing Hu
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University; Shanghai, China
- Shanghai Pinnacles Medical Technology Co., Ltd, Shanghai 200126, China
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
| | - Yidan Xu
- Department of Cardiac Surgery, Fuwai Hospital Chinese Academy of Medical Sciences, Shenzhen, Shenzhen, China
| | - Jun Yan
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shoujun Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Liang Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing Zhang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Department of Cardiac Surgery, Fuwai Hospital Chinese Academy of Medical Sciences, Shenzhen, Shenzhen, China
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10
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Shafqat A, Shaik A, Koritala S, Mushtaq A, Sabbah BN, Nahid Elshaer A, Baqal O. Contemporary review on pediatric hypertrophic cardiomyopathy: insights into detection and management. Front Cardiovasc Med 2024; 10:1277041. [PMID: 38250029 PMCID: PMC10798042 DOI: 10.3389/fcvm.2023.1277041] [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: 08/13/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024] Open
Abstract
Hypertrophic cardiomyopathy is the most common genetic cardiac disorder and is defined by the presence of left ventricular (LV) hypertrophy in the absence of a condition capable of producing such a magnitude of hypertrophy. Over the past decade, guidelines on the screening, diagnostic, and management protocols of pediatric primary (i.e., sarcomeric) HCM have undergone significant revisions. Important revisions include changes to the appropriate screening age, the role of cardiac MRI (CMR) in HCM diagnosis, and the introduction of individualized pediatric SCD risk assessment models like HCM Risk-kids and PRIMaCY. This review explores open uncertainties in pediatric HCM that merit further attention, such as the divergent American and European recommendations on CMR use in HCM screening and diagnosis, the need for incorporating key genetic and imaging parameters into HCM-Risk Kids and PRIMaCY, the best method of quantifying myocardial fibrosis and its prognostic utility in SCD prediction for pediatric HCM, devising appropriate genotype- and phenotype-based exercise recommendations, and use of heart failure medications that can reverse cardiac remodeling in pediatric HCM.
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Affiliation(s)
- Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Abdullah Shaik
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Internal Medicine, Ascension St. John Hospital, Detroit, MI, United States
| | - Snygdha Koritala
- Dr. Pinnamaneni Siddhartha Institute of Medical Sciences & Research Foundation, Gannavaram, India
| | - Ali Mushtaq
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Internal Medicine, Cleveland Clinic Foundation, Cleveland, OH, United States
| | | | - Ahmed Nahid Elshaer
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Internal Medicine, Creighton University School of Medicine, Omaha, NE, United States
| | - Omar Baqal
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Internal Medicine, Mayo Clinic, Phoenix, AZ, United States
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11
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Zampieri M, Di Filippo C, Zocchi C, Fico V, Golinelli C, Spaziani G, Calabri G, Bennati E, Girolami F, Marchi A, Passantino S, Porcedda G, Capponi G, Gozzini A, Olivotto I, Ragni L, Favilli S. Focus on Paediatric Restrictive Cardiomyopathy: Frequently Asked Questions. Diagnostics (Basel) 2023; 13:3666. [PMID: 38132249 PMCID: PMC10742619 DOI: 10.3390/diagnostics13243666] [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: 09/30/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023] Open
Abstract
Restrictive cardiomyopathy (RCM) is characterized by restrictive ventricular pathophysiology determined by increased myocardial stiffness. While suspicion of RCM is initially raised by clinical evaluation and supported by electrocardiographic and echocardiographic findings, invasive hemodynamic evaluation is often required for diagnosis and management of patients during follow-up. RCM is commonly associated with a poor prognosis and a high incidence of heart failure, and PH is reported in paediatric patients with RCM. Currently, only a few therapies are available for specific RCM aetiologies. Early referral to centres for advanced heart failure treatment is often necessary. The aim of this review is to address questions frequently asked when facing paediatric patients with RCM, including issues related to aetiologies, clinical presentation, diagnostic process and prognosis.
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Affiliation(s)
- Mattia Zampieri
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
- Cardiomyopathy Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Chiara Di Filippo
- Local Health Unit, Outpatient Cardiology Clinic, 84131 Salerno, Italy
| | - Chiara Zocchi
- Cardiovascular Department, San Donato Hospital, 52100 Arezzo, Italy
| | - Vera Fico
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
- Cardiomyopathy Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Cristina Golinelli
- Pediatric Cardiology and Adult Congenital Heart Disease Program, Department of Cardio—Thoracic and Vascular Medicine, IRCCS Azienda Ospedaliero—Universitaria di Bologna, 40138 Bologna, Italy
| | - Gaia Spaziani
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Giovanni Calabri
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Elena Bennati
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Francesca Girolami
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Alberto Marchi
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
- Cardiomyopathy Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Silvia Passantino
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Giulio Porcedda
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Guglielmo Capponi
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Alessia Gozzini
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
| | - Iacopo Olivotto
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
- Cardiomyopathy Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Luca Ragni
- Pediatric Cardiology and Adult Congenital Heart Disease Program, Department of Cardio—Thoracic and Vascular Medicine, IRCCS Azienda Ospedaliero—Universitaria di Bologna, 40138 Bologna, Italy
| | - Silvia Favilli
- Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy (S.F.)
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12
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Vissing CR, Axelsson Raja A, Day SM, Russell MW, Zahka K, Lever HM, Pereira AC, Colan SD, Margossian R, Murphy AM, Canter C, Bach RG, Wheeler MT, Rossano JW, Owens AT, Benson L, Mestroni L, Taylor MRG, Patel AR, Wilmot I, Thrush P, Soslow JH, Becker JR, Seidman CE, Lakdawala NK, Cirino AL, McMurray JJV, MacRae CA, Solomon SD, Bundgaard H, Orav EJ, Ho CY. Cardiac Remodeling in Subclinical Hypertrophic Cardiomyopathy: The VANISH Randomized Clinical Trial. JAMA Cardiol 2023; 8:1083-1088. [PMID: 37672268 PMCID: PMC10483382 DOI: 10.1001/jamacardio.2023.2808] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 06/23/2023] [Indexed: 09/07/2023]
Abstract
Importance Valsartan has shown promise in attenuating cardiac remodeling in patients with early-stage sarcomeric hypertrophic cardiomyopathy (HCM). Genetic testing can identify individuals at risk of HCM in a subclinical stage who could benefit from therapies that prevent disease progression. Objective To explore the potential for valsartan to modify disease development, and to characterize short-term phenotypic progression in subclinical HCM. Design, Setting, and Participants The multicenter, double-blind, placebo-controlled Valsartan for Attenuating Disease Evolution in Early Sarcomeric Hypertrophic Cardiomyopathy (VANISH) randomized clinical trial was conducted from April 2014 to July 2019 at 17 sites in 4 countries (Brazil, Canada, Denmark, and the US), with 2 years of follow-up. The prespecified exploratory VANISH cohort studied here included sarcomere variant carriers with subclinical HCM and early phenotypic manifestations (reduced E' velocity, electrocardiographic abnormalities, or an increased left ventricular [LV] wall thickness [LVWT] to cavity diameter ratio) but no LV hypertrophy (LVH). Data were analyzed between March and December 2022. Interventions Treatment with placebo or valsartan (80 mg/d for children weighing <35 kg, 160 mg/d for children weighing ≥35 kg, or 320 mg/d for adults aged ≥18 years). Main Outcomes and Measures The primary outcome was a composite z score incorporating changes in 9 parameters of cardiac remodeling (LV cavity volume, LVWT, and LV mass; left atrial [LA] volume; E' velocity and S' velocity; and serum troponin and N-terminal prohormone of brain natriuretic peptide levels). Results This study included 34 participants, with a mean (SD) age of 16 (5) years (all were White). A total of 18 participants (8 female [44%] and 10 male [56%]) were randomized to valsartan and 16 (9 female [56%] and 7 male [44%]) were randomized to placebo. No statistically significant effects of valsartan on cardiac remodeling were detected (mean change in composite z score compared with placebo: -0.01 [95% CI, -0.29 to 0.26]; P = .92). Overall, 2-year phenotypic progression was modest, with only a mild increase in LA volume detected (increased by 3.5 mL/m2 [95% CI, 1.4-6.0 mL/m2]; P = .002). Nine participants (26%) had increased LVWT, including 6 (18%) who developed clinically overt HCM. Baseline LA volume index (LAVI; 35 vs 28 mL/m2; P = .01) and average interventricular septum thickness (8.5 vs 7.0 mm; P = .009) were higher in participants who developed HCM. Conclusions and Relevance In this exploratory cohort, valsartan was not proven to slow progression of subclinical HCM. Minimal changes in markers of cardiac remodeling were observed, although nearly one-fifth of patients developed clinically overt HCM. Transition to disease was associated with greater baseline interventricular septum thickness and LAVI. These findings highlight the importance of following sarcomere variant carriers longitudinally and the critical need to improve understanding of factors that drive disease penetrance and progression. Trial Registration ClinicalTrials.gov Identifier: NCT01912534.
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Affiliation(s)
- Christoffer Rasmus Vissing
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Anna Axelsson Raja
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Sharlene M. Day
- Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia
| | | | | | | | - Alexandre C. Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, São Paulo, Brazil
| | - Steven D. Colan
- Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts
| | - Renee Margossian
- Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts
| | - Anne M. Murphy
- Division of Pediatric Cardiology, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Charles Canter
- Washington University School of Medicine, St Louis, Missouri
| | - Richard G. Bach
- Washington University School of Medicine, St Louis, Missouri
| | - Matthew T. Wheeler
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California
| | | | - Anjali T. Owens
- Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia
| | - Lee Benson
- Toronto Hospital for Sick Children, Toronto, Ontario, Canada
| | | | | | - Amit R. Patel
- Cardiovascular Division, Department of Medicine, University of Virginia Health System, Charlottesville
| | - Ivan Wilmot
- Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
| | - Philip Thrush
- Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
| | | | - Jason R. Becker
- Division of Cardiology, University of Pittsburgh School of Medicine and UPMC, Pittsburgh, Pennsylvania
| | - Christine E. Seidman
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
- Howard Hughes Medical Institute, Chevy Chase, Maryland
| | - Neal K. Lakdawala
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Allison L. Cirino
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - John J. V. McMurray
- British Heart Foundation Cardiovascular Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Calum A. MacRae
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Scott D. Solomon
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Henning Bundgaard
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - E. John Orav
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Carolyn Y. Ho
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
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13
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Gonzalez de Alba C, Moghari MH, Browne LP, Friesen RM, Fonseca B, Malone LJ. Feasibility of gray-blood late gadolinium enhancement evaluation in young patients with congenital and acquired heart disease. Front Cardiovasc Med 2023; 10:1269412. [PMID: 37915741 PMCID: PMC10616296 DOI: 10.3389/fcvm.2023.1269412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/26/2023] [Indexed: 11/03/2023] Open
Abstract
Background Late gadolinium enhancement (LGE) sequences have become common in pediatric cardiovascular magnetic resonance (CMR) to assess for myocardial fibrosis. Bright-blood late gadolinium enhancement (BB-LGE) by conventional phase-sensitive inversion recovery (PSIR) is commonly utilized, but similar inversion time (TI) value of fibrosis and left ventricular (LV) blood pool can make subendocardial areas difficult to assess. A gray-blood LGE (GB-LGE) technique has been described, targeting nulling of the LV blood pool and demonstrating improvement in ischemic scar detection over BB-LGE in adult patients. We sought to evaluate the feasibility of the GB-LGE technique in a young population with congenital and acquired heart disease and compare its ability to detect subendocardial scar to conventional BB-LGE. Methods Seventy-six consecutive patients referred for clinical CMR underwent both BB-LGE and GB-LGE on 1.5 T and 3 T scanners. Conventional PSIR sequences were obtained with TI to null the myocardium (BB-LGE) in short-axis and horizontal long-axis stacks. Same PSIR stacks were immediately repeated with TI to null the blood pool (GB-LGE). Both sequences were reviewed separately a week apart by two readers, blinded to the initial clinical interpretation. Studies were analyzed for overall image quality, confidence in scar detection, confidence in detection of LGE, LGE class, inter- and intra-observer agreement for the presence of scar, and intraclass correlation coefficient (ICC) for total scar burden. Results Overall confidence in myocardial scar detection by BB-LGE or GB-LGE as well as grading of image quality were not statistically different [(p = 1 and p = 1) and (p = 0.53, p = 0.18), respectively]. There was very good inter-observer agreement for the presence of scar on BB-LGE (K = 0.88, 95% CI 0.77-0.99) and GB-LGE (K = 0.84, 95% CI 0.7-0.96), as well as excellent intra-observer agreement for both readers (K = 0.93, 95% CI 0.87-0.99; and K = 0.81, 95% CI 0.69-0.95). Interclass correlation coefficient for total scar burden was excellent for BB-LGE (ICC = 0.98, 95% CI 0.96-0.99) and GB-LGE (ICC = 0.94, 95% CI 0.91-0.97). Conclusions The GB-LGE technique is feasible in the pediatric population with congenital and acquired heart disease. It can detect subendocardial/ischemic scar similar to conventional bright-blood PSIR sequences in the pediatric population.
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Affiliation(s)
- Cesar Gonzalez de Alba
- Division of Cardiology, Heart Institute, Children’s Hospital Colorado, University of Colorado, Aurora, CO, United States
| | - Mehdi H. Moghari
- Department of Radiology, University of Colorado, Aurora, CO, United States
- Department of Radiology, Children’s Hospital Colorado, Aurora, CO, United States
| | - Lorna P. Browne
- Department of Radiology, University of Colorado, Aurora, CO, United States
- Department of Radiology, Children’s Hospital Colorado, Aurora, CO, United States
| | - Richard M. Friesen
- Division of Cardiology, Heart Institute, Children’s Hospital Colorado, University of Colorado, Aurora, CO, United States
| | - Brian Fonseca
- Division of Cardiology, Heart Institute, Children’s Hospital Colorado, University of Colorado, Aurora, CO, United States
| | - LaDonna J. Malone
- Department of Radiology, University of Colorado, Aurora, CO, United States
- Department of Radiology, Children’s Hospital Colorado, Aurora, CO, United States
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14
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Crean AM, Small GR, Saleem Z, Maharajh G, Ruel M, Chow BJW. Application of Cardiovascular Computed Tomography to the Assessment of Patients With Hypertrophic Cardiomyopathy. Am J Cardiol 2023; 205:481-492. [PMID: 37683571 DOI: 10.1016/j.amjcard.2023.06.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/24/2023] [Accepted: 06/29/2023] [Indexed: 09/10/2023]
Abstract
Hypertrophic cardiomyopathy is a common inherited cardiac condition in which regional myocardial thickening and scarring can lead to a range of symptoms including breathlessness, dizziness, chest pain, and collapse with loss of consciousness. It is vital to be able to understand the mechanisms behind these epiphenomena and to be able to distinguish, for example, between syncope because of arrhythmia versus syncope because of mechanical outflow tract obstruction. Therefore, we require a technique that can characterize anatomy, physiology, and myocardial substrate. Traditionally, this role has been the preserve of cardiac magnetic resonance (CMR) imaging. This review makes the case for cardiac computed tomography (CT) as an alternative imaging method. We review the use of functional CT to identify the components of outflow tract obstruction (and obstruction at other levels, which may be simultaneous), and as an aid to interventional and surgical planning. We demonstrate the added value of multiplanar isotropic reformats in this condition, particularly in cases where the diagnosis may be more challenging or where complications (such as early apical aneurysm) may be difficult to recognize with 2-dimensional techniques. In conclusion, our aim is to convince readers that cardiac CT is a highly valuable and versatile tool, which deserves wider usage and greater recognition in those caring for patients with hypertrophic cardiomyopathy.
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Affiliation(s)
- Andrew M Crean
- Division of Cardiology, Ottawa Heart Institute, Ottawa, Ontario, Canada.
| | - Gary R Small
- Division of Cardiology, Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Zain Saleem
- Division of Cardiology, University of Ottawa, Ottawa, Ontario, Canada
| | - Gyaandeo Maharajh
- Division of Cardiovascular Surgery, Children's Hospital of Eastern Ontario, Ottawa, Canada
| | - Marc Ruel
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Benjamin J W Chow
- Division of Cardiology, Ottawa Heart Institute, Ottawa, Ontario, Canada
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15
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Segev A, Wasserstrum Y, Arad M, Larrañaga-Moreira JM, Martinez-Veira C, Barriales-Villa R, Sabbag A. Ventricular arrhythmias in patients with hypertrophic cardiomyopathy: Prevalence, distribution, predictors, and outcome. Heart Rhythm 2023; 20:1385-1392. [PMID: 37385464 DOI: 10.1016/j.hrthm.2023.06.015] [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: 04/12/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 07/01/2023]
Abstract
BACKGROUND Hypertrophic cardiomyopathy (HCM) carries an increased risk of sudden cardiac death. Ventricular fibrillation (VF) is thought to be the common culprit arrhythmia. OBJECTIVE The purpose of this study was to describe the incidence and predictors of sustained ventricular arrhythmias (VTAs) in HCM patients. METHODS We retrospectively analyzed all patients with HCM and an implantable cardioverter-defibrillator (ICD) from a prospectively derived registry in 2 tertiary medical centers. Clinical, electrocardiographic, echocardiographic, ICD interrogation, and genetic data were collected and compared, first between patients with and without VTAs and then between patients with only VF and those with ventricular tachycardia (VT) with or without VF. RESULTS Of the 1328 HCM patients, 207 (145 [70%] male; mean age 33 ± 16 years) were implanted with ICDs. Over a mean follow-up of 10 ± 6 years, 37 patients with ICDs (18%) developed sustained VTAs. These were associated with a family history of sudden cardiac death and a personal history of VTAs (P = .036 and P = .001, respectively). Sustained monomorphic VT was the most common arrhythmia (n = 26, 70%) and was linked to decreased left ventricular (LV) ejection fraction and increased LV end-systolic and end-diastolic diameters. Antitachycardia pacing (ATP) successfully terminated 258 (79%) of the 326 VT events. Mortality rates were comparable between patients with and without VTAs (4 [11%] vs 29 [17%]; P = .42) and between those with and without ICDs (24 [16%] vs 85 [20%]; P = .367). CONCLUSION VT rather than VF is the most common arrhythmia in patients with HCM; it is amenable to ATP and is associated with lower LV ejection fraction and higher LV diameters. Therefore, ATP-capable devices may be considered in HCM patients with these LV features.
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MESH Headings
- Humans
- Male
- Adolescent
- Young Adult
- Adult
- Middle Aged
- Female
- Retrospective Studies
- Prevalence
- Tachycardia, Ventricular/epidemiology
- Tachycardia, Ventricular/etiology
- Tachycardia, Ventricular/therapy
- Ventricular Fibrillation/epidemiology
- Ventricular Fibrillation/etiology
- Ventricular Fibrillation/therapy
- Defibrillators, Implantable/adverse effects
- Death, Sudden, Cardiac/epidemiology
- Death, Sudden, Cardiac/etiology
- Death, Sudden, Cardiac/prevention & control
- Cardiomyopathy, Hypertrophic/complications
- Cardiomyopathy, Hypertrophic/diagnosis
- Cardiomyopathy, Hypertrophic/epidemiology
- Adenosine Triphosphate
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Affiliation(s)
- Amitai Segev
- Leviev Heart Center, Sheba Medical Center, Affiliated With Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yishay Wasserstrum
- Leviev Heart Center, Sheba Medical Center, Affiliated With Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michael Arad
- Leviev Heart Center, Sheba Medical Center, Affiliated With Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jose M Larrañaga-Moreira
- Inherited Cardiovascular Diseases Unit, Cardiology Service, Complexo Hospitalario Universitario A Coruña, Servizo Gaalego de Saúde (SERGAS), Afiiliated With Universidade da Coruña, A Coruña, Spain
| | - Cristina Martinez-Veira
- Inherited Cardiovascular Diseases Unit, Cardiology Service, Complexo Hospitalario Universitario A Coruña, Servizo Gaalego de Saúde (SERGAS), Afiiliated With Universidade da Coruña, A Coruña, Spain
| | - Roberto Barriales-Villa
- Inherited Cardiovascular Diseases Unit, Cardiology Service, Complexo Hospitalario Universitario A Coruña, Servizo Gaalego de Saúde (SERGAS), Afiiliated With Universidade da Coruña, A Coruña, Spain
| | - Avi Sabbag
- Leviev Heart Center, Sheba Medical Center, Affiliated With Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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16
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Arbelo E, Protonotarios A, Gimeno JR, Arbustini E, Barriales-Villa R, Basso C, Bezzina CR, Biagini E, Blom NA, de Boer RA, De Winter T, Elliott PM, Flather M, Garcia-Pavia P, Haugaa KH, Ingles J, Jurcut RO, Klaassen S, Limongelli G, Loeys B, Mogensen J, Olivotto I, Pantazis A, Sharma S, Van Tintelen JP, Ware JS, Kaski JP. 2023 ESC Guidelines for the management of cardiomyopathies. Eur Heart J 2023; 44:3503-3626. [PMID: 37622657 DOI: 10.1093/eurheartj/ehad194] [Citation(s) in RCA: 246] [Impact Index Per Article: 246.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/26/2023] Open
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17
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Kirmani S, Woodard PK, Shi L, Hamza TH, Canter CE, Colan SD, Pahl E, Towbin JA, Webber SA, Rossano JW, Everitt MD, Molina KM, Kantor PF, Jefferies JL, Feingold B, Addonizio LJ, Ware SM, Chung WK, Ballweg JA, Lee TM, Bansal N, Razoky H, Czachor J, Lunze FI, Marcus E, Commean P, Wilkinson JD, Lipshultz SE. Cardiac imaging and biomarkers for assessing myocardial fibrosis in children with hypertrophic cardiomyopathy. Am Heart J 2023; 264:153-162. [PMID: 37315879 PMCID: PMC11003360 DOI: 10.1016/j.ahj.2023.06.005] [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: 04/14/2023] [Revised: 06/07/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
BACKGROUND Myocardial fibrosis, as diagnosed on cardiac magnetic resonance imaging (cMRI) by late gadolinium enhancement (LGE), is associated with adverse outcomes in adults with hypertrophic cardiomyopathy (HCM), but its prevalence and magnitude in children with HCM have not been established. We investigated: (1) the prevalence and extent of myocardial fibrosis as detected by LGE cMRI; (2) the agreement between echocardiographic and cMRI measurements of cardiac structure; and (3) whether serum concentrations of N-terminal pro hormone B-type natriuretic peptide (NT-proBNP) and cardiac troponin-T are associated with cMRI measurements. METHODS A cross-section of children with HCM from 9 tertiary-care pediatric heart centers in the U.S. and Canada were enrolled in this prospective NHLBI study of cardiac biomarkers in pediatric cardiomyopathy (ClinicalTrials.gov Identifier: NCT01873976). The median age of the 67 participants was 13.8 years (range 1-18 years). Core laboratories analyzed echocardiographic and cMRI measurements, and serum biomarker concentrations. RESULTS In 52 children with non-obstructive HCM undergoing cMRI, overall low levels of myocardial fibrosis with LGE >2% of left ventricular (LV) mass were detected in 37 (71%) (median %LGE, 9.0%; IQR: 6.0%, 13.0%; range, 0% to 57%). Echocardiographic and cMRI measurements of LV dimensions, LV mass, and interventricular septal thickness showed good agreement using the Bland-Altman method. NT-proBNP concentrations were strongly and positively associated with LV mass and interventricular septal thickness (P < .001), but not LGE. CONCLUSIONS Low levels of myocardial fibrosis are common in pediatric patients with HCM seen at referral centers. Longitudinal studies of myocardial fibrosis and serum biomarkers are warranted to determine their predictive value for adverse outcomes in pediatric patients with HCM.
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Affiliation(s)
- Sonya Kirmani
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI
| | - Pamela K Woodard
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO
| | - Ling Shi
- New England Research Institute, Watertown, MA
| | | | - Charles E Canter
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO
| | - Steven D Colan
- Department of Cardiology, Boston Children's Hospital, Boston, MA
| | - Elfriede Pahl
- Department of Pediatrics, Northwestern Feinberg School of Medicine, Chicago, IL
| | | | - Steven A Webber
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN
| | - Joseph W Rossano
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Melanie D Everitt
- Department of Pediatrics, Children's Hospital of Colorado, Aurora, CO
| | - Kimberly M Molina
- Department of Pediatrics, Primary Children's Hospital, Salt Lake City, UT
| | - Paul F Kantor
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA
| | | | - Brian Feingold
- Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA
| | - Linda J Addonizio
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Stephanie M Ware
- Department of Pediatrics and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN
| | - Wendy K Chung
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Jean A Ballweg
- Department of Pediatrics, Helen DeVos Children's Hospital, Grand Rapids, MI
| | - Teresa M Lee
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Neha Bansal
- Department of Pediatrics, Children's Hospital at Montefiore, Bronx, NY
| | - Hiedy Razoky
- Department of Pediatrics, Children's Hospital of Michigan, Detroit, MI
| | - Jason Czachor
- Department of Pediatrics, Children's Hospital of Michigan, Detroit, MI
| | - Fatima I Lunze
- Department of Cardiology, Boston Children's Hospital, Boston, MA; German Heart Center Berlin, Charité Medical School, Berlin, Germany
| | - Edward Marcus
- Department of Cardiology, Boston Children's Hospital, Boston, MA
| | - Paul Commean
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO
| | - James D Wilkinson
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN
| | - Steven E Lipshultz
- Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY.
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18
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Moscatelli S, Leo I, Bianco F, Borrelli N, Beltrami M, Garofalo M, Milano EG, Bisaccia G, Iellamo F, Bassareo PP, Pradhan A, Cimini A, Perrone MA. The Role of Multimodality Imaging in Pediatric Cardiomyopathies. J Clin Med 2023; 12:4866. [PMID: 37510983 PMCID: PMC10381492 DOI: 10.3390/jcm12144866] [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: 06/16/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Cardiomyopathies are a heterogeneous group of myocardial diseases representing the first cause of heart transplantation in children. Diagnosing and classifying the different phenotypes can be challenging, particularly in this age group, where cardiomyopathies are often overlooked until the onset of severe symptoms. Cardiovascular imaging is crucial in the diagnostic pathway, from screening to classification and follow-up assessment. Several imaging modalities have been proven to be helpful in this field, with echocardiography undoubtedly representing the first imaging approach due to its low cost, lack of radiation, and wide availability. However, particularly in this clinical context, echocardiography may not be able to differentiate from cardiomyopathies with similar phenotypes and is often complemented with cardiovascular magnetic resonance. The latter allows a radiation-free differentiation between different phenotypes with unique myocardial tissue characterization, thus identifying the presence and extent of myocardial fibrosis. Nuclear imaging and computed tomography have a complementary role, although they are less used in daily clinical practice due to the concern related to the use of radiation in pediatric patients. However, these modalities may have some advantages in evaluating children with cardiomyopathies. This paper aims to review the strengths and limitations of each imaging modality in evaluating pediatric patients with suspected or known cardiomyopathies.
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Affiliation(s)
- Sara Moscatelli
- Inherited Cardiovascular Diseases, Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK
- Paediatric Cardiology Department, Royal Brompton and Harefield Hospitals, Guy's and St. Thomas' NHS Foundation Trust, London SW3 5NP, UK
| | - Isabella Leo
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy
- Cardiology Department, CMR Unit, Royal Brompton and Harefield Hospitals, Guys' and St. Thomas' NHS Trust, London SW3 5NP, UK
| | - Francesco Bianco
- Cardiovascular Sciences Department-AOU "Ospedali Riuniti", 60126 Ancona, Italy
| | - Nunzia Borrelli
- Adult Congenital Heart Disease Unit, A.O. dei Colli, Monaldi Hospital, 80131 Naples, Italy
| | | | - Manuel Garofalo
- Department of Clinical and Experimental Medicine, Careggi University Hospital, 50134 Florence, Italy
| | - Elena Giulia Milano
- Centre for Cardiovascular Imaging, Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK
| | - Giandomenico Bisaccia
- Department of Neuroscience, Imaging and Clinical Sciences, "G.d'Annunzio" University of Chieti-Pescara, 66100 Chieti, Italy
| | - Ferdinando Iellamo
- Division of Cardiology and Cardio Lab, Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Pier Paolo Bassareo
- School of Medicine, University College of Dublin, Mater Misericordiae University Hospital and Children's Health Ireland Crumlin, D07 R2WY Dublin, Ireland
| | - Akshyaya Pradhan
- Department of Cardiology, King George's Medical University, Lucknow 226003, India
| | - Andrea Cimini
- Nuclear Medicine Unit, St. Salvatore Hospital, 67100 L'Aquila, Italy
| | - Marco Alfonso Perrone
- Division of Cardiology and Cardio Lab, Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
- Clinical Pathways and Epidemiology Unit, Bambino Gesù Children's Hospital IRCCS, 00165 Rome, Italy
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19
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Tsatsopoulou A, Protonotarios I, Xylouri Z, Papagiannis I, Anastasakis A, Germanakis I, Patrianakos A, Nyktari E, Gavras C, Papadopoulos G, Meditskou S, Lazarou E, Miliou A, Lazaros G. Cardiomyopathies in children: An overview. Hellenic J Cardiol 2023; 72:43-56. [PMID: 36870438 DOI: 10.1016/j.hjc.2023.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 02/14/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Paediatric cardiomyopathies form a heterogeneous group of disorders characterized by structural and electrical abnormalities of the heart muscle, commonly due to a gene variant of the myocardial cell structure. Mostly inherited as a dominant or occasionally recessive trait, they might be part of a syndromic disorder of underlying metabolic or neuromuscular defects or combine early developing extracardiac abnormalities (i.e., Naxos disease). The annual incidence of 1 per 100,000 children appears higher during the first two years of life. Dilated and hypertrophic cardiomyopathy phenotypes share an incidence of 60% and 25%, respectively. Arrhythmogenic right ventricular cardiomyopathy (ARVC), restrictive cardiomyopathy, and left ventricular noncompaction are less commonly diagnosed. Adverse events such as severe heart failure, heart transplantation, or death usually appear early after the initial presentation. In ARVC patients, high-intensity aerobic exercise has been associated with worse clinical outcomes and increased penetrance in at-risk genotype-positive relatives. Acute myocarditis in children has an incidence of 1.4-2.1 cases/per 100,000 children per year, with a 6-14% mortality rate during the acute phase. A genetic defect is considered responsible for the progression to dilated cardiomyopathy phenotype. Similarly, a dilated or arrhythmogenic cardiomyopathy phenotype might emerge with an episode of acute myocarditis in childhood or adolescence. This review provides an overview of childhood cardiomyopathies focusing on clinical presentation, outcome, and pathology.
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Affiliation(s)
- Adalena Tsatsopoulou
- General Paediatrics and Clinical Research, Private Clinic, Naxos, Greece; Unit of Inherited Cardiac Conditions and Sports Cardiology, 1st Department of Cardiology, National and Kapodistrian University of Athens, Athens, Greece; Unit of Inherited and Rare Cardiovascular Diseases, Onassis Cardiac Surgery Centre, Athens, Greece; Laboratory of Histology and Embryology, Department of Medicine, School of Life Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Protonotarios
- University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, Hampshire, SO16 6YD, UK
| | - Zafeirenia Xylouri
- University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, Hampshire, SO16 6YD, UK
| | - Ioannis Papagiannis
- Department of Paediatric Cardiology and Adult Congenital Heart Disease, Onassis Cardiac Surgery Centre, Athens, Greece
| | - Aris Anastasakis
- Unit of Inherited and Rare Cardiovascular Diseases, Onassis Cardiac Surgery Centre, Athens, Greece
| | - Ioannis Germanakis
- Department of Paediatrics, University Hospital Heraklion, School of Medicine, University of Crete, Heraklion, Greece
| | | | | | | | | | - Soultana Meditskou
- Laboratory of Histology and Embryology, Department of Medicine, School of Life Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Emilia Lazarou
- Unit of Inherited Cardiac Conditions and Sports Cardiology, 1st Department of Cardiology, National and Kapodistrian University of Athens, Athens, Greece
| | - Antigoni Miliou
- Unit of Inherited Cardiac Conditions and Sports Cardiology, 1st Department of Cardiology, National and Kapodistrian University of Athens, Athens, Greece
| | - George Lazaros
- Unit of Inherited Cardiac Conditions and Sports Cardiology, 1st Department of Cardiology, National and Kapodistrian University of Athens, Athens, Greece.
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20
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Kaski JP, Kammeraad JAE, Blom NA, Happonen JM, Janousek J, Klaassen S, Limongelli G, Östman-Smith I, Sarquella Brugada G, Ziolkowska L. Indications and management of implantable cardioverter-defibrillator therapy in childhood hypertrophic cardiomyopathy. Cardiol Young 2023; 33:681-698. [PMID: 37102324 DOI: 10.1017/s1047951123000872] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Sudden cardiac death is the most common mode of death during childhood and adolescence in hypertrophic cardiomyopathy, and identifying those individuals at highest risk is a major aspect of clinical care. The mainstay of preventative therapy is the implantable cardioverter-defibrillator, which has been shown to be effective at terminating malignant ventricular arrhythmias in children with hypertrophic cardiomyopathy but can be associated with substantial morbidity. Accurate identification of those children at highest risk who would benefit most from implantable cardioverter-defibrillator implantation while minimising the risk of complications is, therefore, essential. This position statement, on behalf of the Association for European Paediatric and Congenital Cardiology (AEPC), reviews the currently available data on established and proposed risk factors for sudden cardiac death in childhood-onset hypertrophic cardiomyopathy and current approaches for risk stratification in this population. It also provides guidance on identification of individuals at risk of sudden cardiac death and optimal management of implantable cardioverter-defibrillators in children and adolescents with hypertrophic cardiomyopathy.
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Affiliation(s)
- Juan Pablo Kaski
- Centre for Paediatric Inherited and Rare Cardiovascular Disease, University College London Institute of Cardiovascular Science, London, UK
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London, UK
| | - Janneke A E Kammeraad
- Erasmus MC - Sophia Children's Hospital, Department of Paediatric Cardiology, Rotterdam, the Netherlands
| | - Nico A Blom
- Department of Pediatric Cardiology, University of Leiden, Leiden, the Netherlands
- Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Juha-Matti Happonen
- Department of Paediatric Cardiology, Helsinki University Children's Hospital, Helsinki, Finland
| | - Jan Janousek
- Children's Heart Center, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Czech Republic
| | - Sabine Klaassen
- Department of Pediatric Cardiology, Charite-Universitatsmedizin Berlin, Berlin, Germany
| | - Giuseppe Limongelli
- Inherited and Rare Cardiovascular Disease Unit, AO dei Colli Monaldi Hospital, Universita della Campania "Luigi Vanvitelli", Naples, Italy
| | - Ingegerd Östman-Smith
- Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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21
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Dong Z, Yin G, Yang K, Jiang K, Wu Z, Chen X, Song Y, Yu S, Wang J, Yang S, Ma X, Xu Y, Zhao K, Lu M, Xu X, Zhao S. Endogenous assessment of late gadolinium enhancement grey zone in patients with non-ischaemic cardiomyopathy with T1ρ and native T1 mapping. Eur Heart J Cardiovasc Imaging 2023; 24:492-502. [PMID: 35793269 DOI: 10.1093/ehjci/jeac128] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/22/2022] [Accepted: 06/06/2022] [Indexed: 11/12/2022] Open
Abstract
AIMS This study aims to validate and compare the feasibility of T1ρ and native longitudinal relaxation time (T1) mapping in detection of myocardial fibrosis in patients with non-ischaemic cardiomyopathy, focusing on the performance of both methods in identifying late gadolinium enhancement (LGE) grey zone. METHODS AND RESULTS Twenty-seven hypertrophic cardiomyopathy (HCM) patients, 16 idiopathic dilated cardiomyopathy (DCM) patients, and 18 healthy controls were prospectively enrolled for native T1 and T1ρ mapping imaging and then all the patients underwent enhancement scan for LGE extent and extracellular volume (ECV) values. In LGE positive patients, the LGE areas were divided into LGE core (6 SDs above remote myocardium) and grey zone (2-6 SDs above remote myocardium) according to the signal intensity of LGE. Both HCM and DCM patients showed significantly higher native T1 values and T1ρ values than controls no matter the presence of LGE (all P < 0.01). There were significant differences in native T1 and T1ρ values among four different types of myocardia (LGE core, grey zone, remote area and control, P < 0.0001). However, the T1ρ values of grey zone were significantly higher than control (P < 0.01), while the native T1 values were not (P = 0.089). T1ρ values were significantly associated with both native T1 values (r = 0.54, P < 0.001) and ECV values (r = 0.54, P < 0.001). CONCLUSION T1ρ mapping is a feasible method to detect myocardial fibrosis in patients with non-ischaemic cardiomyopathy no matter the presence of LGE. Compared with native T1, T1ρ may serve as a better discriminator in the identification of LGE grey zone.
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Affiliation(s)
- Zhixiang Dong
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Gang Yin
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Kai Yang
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Ke Jiang
- Philips Healthcare, Tianze Road No.16, Chaoyang District, Beijing 100020, China
| | - Zhigang Wu
- Philips Healthcare, Tianze Road No.16, Chaoyang District, Beijing 100020, China
| | - Xiuyu Chen
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Yanyan Song
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Shiqing Yu
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Jiaxin Wang
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Shujuan Yang
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Xuan Ma
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Yangfei Xu
- Department of Cardiology, Chizhou People's Hospital, Baiya Middle Road No.3, Guichi District, Anhui 247099, China
| | - Kankan Zhao
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, SZ University Town, Shenzhen 518055, China
| | - Minjie Lu
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
| | - Xiaodong Xu
- Department of Cardiology, Chizhou People's Hospital, Baiya Middle Road No.3, Guichi District, Anhui 247099, China
| | - Shihua Zhao
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No.167, Xicheng District, Beijing 100037, China
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22
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Thakkar K, Karajgi AR, Kallamvalappil AM, Avanthika C, Jhaveri S, Shandilya A, Anusheel, Al-Masri R. Sudden cardiac death in childhood hypertrophic cardiomyopathy. Dis Mon 2023; 69:101548. [PMID: 36931945 DOI: 10.1016/j.disamonth.2023.101548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
The most prevalent cause of mortality in children with hypertrophic cardiomyopathy (HCM) is sudden cardiac death (SCD), which happens more frequently than in adult patients. Risk stratification tactics have generally been drawn from adult practice, however emerging data has revealed significant disparities between children and adult cohorts, implying the need for pediatric-specific risk stratification methodologies. We conducted an all-language literature search on Medline, Cochrane, Embase, and Google Scholar until October 2021. The following search strings and Medical Subject Heading (MeSH) terms were used: "HCM," "SCD," "Sudden Cardiac Death," and "Childhood Onset HCM." We explored the literature on the risk of SCD in HCM for its epidemiology, pathophysiology, the role of various genes and their influence, associated complications leading to SCD and preventive and treatment modalities. Childhood-onset HCM is linked to significant life-long morbidity and mortality, including a higher SCD rate in children than in adults. The present focus is on symptom relief and avoiding illness-related consequences, but the prospect of future disease-modifying medicines offers an intriguing opportunity to alter disease expression and outcomes in these young individuals. Current preventive recommendations promote implantable cardioverter defibrillator placement based on cumulative risk factor thresholds, although they have been demonstrated to have weak discriminating capacity. This article addresses questions and discusses the etiology, risk factors, and method to risk stratification for SCD in children with HCM.
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Affiliation(s)
- Keval Thakkar
- G.M.E.R.S. Medical College and General Hospital, Gandhinagar, India
| | | | | | - Chaithanya Avanthika
- Karnataka Institute of Medical /Sciences, PB Rd, Vidya Nagar, Hubli, Karnataka, India.
| | | | | | - Anusheel
- Ryazan State I P Pavlov Medical Institute, Ryazan, Russia
| | - Rayan Al-Masri
- Jordan University of Science and technology, Irbid, Jordan
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23
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Saprungruang A, Aguet J, Gill N, Tassos VP, Amirabadi A, Seed M, Yoo SJ, Lam CZ. Myocardial late gadolinium enhancement using delayed 3D IR-FLASH in the pediatric population: feasibility and diagnostic performance compared to single-shot PSIR-bSSFP. J Cardiovasc Magn Reson 2023; 25:2. [PMID: 36683053 PMCID: PMC9869523 DOI: 10.1186/s12968-023-00917-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/05/2023] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND This study compares three-dimensional (3D) high-resolution (HR) late gadolinium enhancement (LGE; 3D HR-LGE) imaging using a respiratory navigated, electrocardiographically-gated inversion recovery gradient echo sequence with conventional LGE imaging using a single-shot phase-sensitive inversion recovery (PSIR) balanced steady-state free precession (bSSFP; PSIR-bSSFP) sequence for routine clinical use in the pediatric population. METHODS Pediatric patients (0-18 years) who underwent clinical cardiovascular magnetic resonance (CMR) with both 3D HR-LGE and single-shot PSIR-bSSFP LGE between January 2018 and June 2020 were included. Image quality (0-4) and detection of LGE in the left ventricle (LV) (per 17 segments), in the right ventricle (RV) (per 3 segments), as endocardial fibroelastosis (EFE), at the hinge points, and at the papillary muscles was analyzed by two blinded readers for each sequence. Ratios of the mean signal intensity of LGE to normal myocardium (LGE:Myo) and to LV blood pool (LGE:Blood) were recorded. Data is presented as median (1st-3rd quartiles). Wilcoxon signed rank test and chi-square analyses were used as appropriate. Inter-rater agreement was analyzed using weighted κ-statistics. RESULTS 102 patients were included with median age at CMR of 8 (1-13) years-old and 44% of exams performed under general anesthesia. LGE was detected in 55% of cases. 3D HR LGE compared to single-shot PSIR-bSSFP had longer scan time [4:30 (3:35-5:34) vs 1:11 (0:47-1:32) minutes, p < 0.001], higher image quality ratings [3 (3-4) vs 2 (2-3), p < 0.001], higher LGE:Myo [23.7 (16.9-31.2) vs 5.0 (2.9-9.0), p < 0.001], detected more segments of LGE in both the LV [4 (2-8) vs 3 (1-7), p = 0.045] and RV [1 (1-1) vs 1 (0-1), p < 0.001], and also detected more cases of LGE with 13/56 (23%) of patients with LGE only detectable by 3D HR LGE (p < 0.001). 3D HR LGE specifically detected a greater proportion of RV LGE (27/27 vs 17/27, p < 0.001), EFE (11/11 vs 5/11, p = 0.004), and papillary muscle LGE (14/15 vs 4/15, p < 0.001). Inter-rater agreement for the recorded variables ranged from 0.42 to 1.00. CONCLUSIONS 3D HR LGE achieves greater image quality and detects more LGE than conventional single-shot PSIR-bSSFP LGE imaging, and should be considered an alternative to conventional LGE sequences for routine clinical use in the pediatric population.
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Affiliation(s)
- Ankavipar Saprungruang
- Division of Cardiology, Department of Pediatrics, Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, ON, Canada
| | - Julien Aguet
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
| | - Navjot Gill
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
| | - Vivian P Tassos
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
| | - Afsaneh Amirabadi
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
| | - Mike Seed
- Division of Cardiology, Department of Pediatrics, Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
| | - Shi-Joon Yoo
- Division of Cardiology, Department of Pediatrics, Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
| | - Christopher Z Lam
- Division of Cardiology, Department of Pediatrics, Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, ON, Canada.
- Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada.
- Department of Medical Imaging, University of Toronto, Toronto, ON, Canada.
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24
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Tang CX, Zhou Z, Zhang JY, Xu L, Lv B, Jiang Zhang L. Cardiovascular Imaging in China: Yesterday, Today, and Tomorrow. J Thorac Imaging 2022; 37:355-365. [PMID: 36162066 DOI: 10.1097/rti.0000000000000678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The high prevalence and mortality of cardiovascular diseases in China's large population has increased the use of cardiovascular imaging for the assessment of conditions in recent years. In this study, we review the past 20 years of cardiovascular imaging in China, the increasingly important role played by cardiovascular computed tomography in coronary artery disease and pulmonary embolism assessment, magnetic resonance imaging's use for cardiomyopathy assessment, the development and application of artificial intelligence in cardiovascular imaging, and the future of Chinese cardiovascular imaging.
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Affiliation(s)
- Chun Xiang Tang
- Department of Radiology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu Province
| | - Zhen Zhou
- Department of Radiology, Beijing Anzhen Hospital, Capital Medical University
| | - Jia Yin Zhang
- Department of Radiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Xu
- Department of Radiology, Beijing Anzhen Hospital, Capital Medical University
| | - Bin Lv
- Department of Radiology, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences
- State Key Laboratory and National Center for Cardiovascular Diseases, Beijing
| | - Long Jiang Zhang
- Department of Radiology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu Province
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25
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Axelsson Raja A, Wakimoto H, DeLaughter DM, Reichart D, Gorham J, Conner DA, Lun M, Probst CK, Sakai N, Knipe RS, Montesi SB, Shea B, Adam LP, Leinwand LA, Wan W, Choi ES, Lindberg EL, Patone G, Noseda M, Hübner N, Seidman CE, Tager AM, Seidman JG, Ho CY. Ablation of lysophosphatidic acid receptor 1 attenuates hypertrophic cardiomyopathy in a mouse model. Proc Natl Acad Sci U S A 2022; 119:e2204174119. [PMID: 35787042 PMCID: PMC9282378 DOI: 10.1073/pnas.2204174119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/25/2022] [Indexed: 01/07/2023] Open
Abstract
Myocardial fibrosis is a key pathologic feature of hypertrophic cardiomyopathy (HCM). However, the fibrotic pathways activated by HCM-causing sarcomere protein gene mutations are poorly defined. Because lysophosphatidic acid is a mediator of fibrosis in multiple organs and diseases, we tested the role of the lysophosphatidic acid pathway in HCM. Lysphosphatidic acid receptor 1 (LPAR1), a cell surface receptor, is required for lysophosphatidic acid mediation of fibrosis. We bred HCM mice carrying a pathogenic myosin heavy-chain variant (403+/-) with Lpar1-ablated mice to create mice carrying both genetic changes (403+/- LPAR1 -/-) and assessed development of cardiac hypertrophy and fibrosis. Compared with 403+/- LPAR1WT, 403+/- LPAR1 -/- mice developed significantly less hypertrophy and fibrosis. Single-nucleus RNA sequencing of left ventricular tissue demonstrated that Lpar1 was predominantly expressed by lymphatic endothelial cells (LECs) and cardiac fibroblasts. Lpar1 ablation reduced the population of LECs, confirmed by immunofluorescence staining of the LEC markers Lyve1 and Ccl21a and, by in situ hybridization, for Reln and Ccl21a. Lpar1 ablation also altered the distribution of fibroblast cell states. FB1 and FB2 fibroblasts decreased while FB0 and FB3 fibroblasts increased. Our findings indicate that Lpar1 is expressed predominantly by LECs and fibroblasts in the heart and is required for development of hypertrophy and fibrosis in an HCM mouse model. LPAR1 antagonism, including agents in clinical trials for other fibrotic diseases, may be beneficial for HCM.
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Affiliation(s)
- Anna Axelsson Raja
- Department of Genetics, Harvard Medical School, Boston, MA 02115
- Department of Cardiology, Copenhagen University Hospital Rigshospitalet, 2100 Copenhagen, Denmark
| | - Hiroko Wakimoto
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | | | - Daniel Reichart
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | - Joshua Gorham
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | - David A. Conner
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | - Mingyue Lun
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | - Clemens K. Probst
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Fibrosis Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
| | - Norihiko Sakai
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Fibrosis Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Division of Nephrology, Kanazawa University, Kanazawa, 920-1192 Japan
| | - Rachel S. Knipe
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Fibrosis Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
| | - Sydney B. Montesi
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
| | - Barry Shea
- Division of Pulmonary, Critical Care and Sleep Medicine, Albert Medical School of Brown University, Providence, RI 02903
| | - Leonard P. Adam
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ 08540
| | - Leslie A. Leinwand
- Biofrontiers Institute, Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80302
| | - William Wan
- Biofrontiers Institute, Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80302
| | - Esther Sue Choi
- Biofrontiers Institute, Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80302
| | - Eric L. Lindberg
- Cardiovascular and Metabolic Sciences, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Giannino Patone
- Cardiovascular and Metabolic Sciences, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Michela Noseda
- National Heart and Lung Institute, British Heart Foundation Centre of Regenerative Medicine, British Heart Foundation Centre of Research Excellence, Imperial College London, London SW7 2AZ, United Kingdom
| | - Norbert Hübner
- Cardiovascular and Metabolic Sciences, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
- Charité-Universitätsmedizin, Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Cardiovascular Research, Partner Site Berlin, 13347 Berlin, Germany
| | - Christine E. Seidman
- Department of Genetics, Harvard Medical School, Boston, MA 02115
- Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, MA 02115
- HHMI, Chevy Chase, MD 20815
| | - Andrew M. Tager
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Fibrosis Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114
| | - J. G. Seidman
- Department of Genetics, Harvard Medical School, Boston, MA 02115
| | - Carolyn Y. Ho
- Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, MA 02115
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Fogel MA, Anwar S, Broberg C, Browne L, Chung T, Johnson T, Muthurangu V, Taylor M, Valsangiacomo-Buechel E, Wilhelm C. Society for Cardiovascular Magnetic Resonance/European Society of Cardiovascular Imaging/American Society of Echocardiography/Society for Pediatric Radiology/North American Society for Cardiovascular Imaging Guidelines for the use of cardiovascular magnetic resonance in pediatric congenital and acquired heart disease : Endorsed by The American Heart Association. J Cardiovasc Magn Reson 2022; 24:37. [PMID: 35725473 PMCID: PMC9210755 DOI: 10.1186/s12968-022-00843-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 01/12/2022] [Indexed: 11/16/2022] Open
Abstract
Cardiovascular magnetic resonance (CMR) has been utilized in the management and care of pediatric patients for nearly 40 years. It has evolved to become an invaluable tool in the assessment of the littlest of hearts for diagnosis, pre-interventional management and follow-up care. Although mentioned in a number of consensus and guidelines documents, an up-to-date, large, stand-alone guidance work for the use of CMR in pediatric congenital 36 and acquired 35 heart disease endorsed by numerous Societies involved in the care of these children is lacking. This guidelines document outlines the use of CMR in this patient population for a significant number of heart lesions in this age group and although admittedly, is not an exhaustive treatment, it does deal with an expansive list of many common clinical issues encountered in daily practice.
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Affiliation(s)
- Mark A Fogel
- Departments of Pediatrics (Cardiology) and Radiology, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. .,Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Shaftkat Anwar
- Department of Pediatrics (Cardiology) and Radiology, The University of California-San Francisco School of Medicine, San Francisco, USA
| | - Craig Broberg
- Division of Cardiovascular Medicine, Oregon Health and Sciences University, Portland, USA
| | - Lorna Browne
- Department of Radiology, University of Colorado, Denver, USA
| | - Taylor Chung
- Department of Radiology and Biomedical Imaging, The University of California-San Francisco School of Medicine, San Francisco, USA
| | - Tiffanie Johnson
- Department of Pediatrics (Cardiology), Indiana University School of Medicine, Indianapolis, USA
| | - Vivek Muthurangu
- Department of Pediatrics (Cardiology), University College London, London, UK
| | - Michael Taylor
- Department of Pediatrics (Cardiology), University of Cincinnati School of Medicine, Cincinnati, USA
| | | | - Carolyn Wilhelm
- Department of Pediatrics (Cardiology), University Hospitals-Cleveland, Cleaveland, USA
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Ali LA, Marrone C, Martins DS, Khraiche D, Festa P, Martini N, Santoro G, Todiere G, Panaioli E, Bonnet D, Boddaert N, Aquaro GD, Raimondi F. Prognostic factors in hypertrophic cardiomyopathy in children: An MRI based study. Int J Cardiol 2022; 364:141-147. [PMID: 35718011 DOI: 10.1016/j.ijcard.2022.06.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/07/2022] [Accepted: 06/12/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Clinical and prognostic role of cardiac magnetic resonance (CMR) in adult population with hypertrophic cardiomyopathy (HCM) have been largely assessed. We sought to investigate the role of CMR for predicting cardiovascular events in children with HCM. METHODS CMR was performed in 116 patients with HCM (37 sarcomeric mutations, 31 other mutations, mean age 10.4 ± 4.3 yrs). CMR protocol included cine imaging for evaluation of morphology and function and late gadolinium enhancement (LGE). Hard cardiac events (sustained VT, resuscitated cardiac arrest, sudden cardiac death, end-stage heart failure, heart transplant and appropriate ICD intervention) were recorded through a median follow-up of 4 (1-7) years. RESULTS During follow-up 21 heart cardiac events occurred. At maximal-rank statistic the optimal cut-point for LGE extent for predicting events was ≥2%. Syncope, non-sustained ventricular tachycardia (NSVT) and LGE extent ≥2% were independent predictors of events. At Harrel's C statistic combination of LGE extent ≥2% and syncope was the strongest model for predicting events. HR of patients with LGE extent ≥2% and no history of syncope was 3.6 (1.1-12.2) that increased to 37.6 (5.4-161) in those with LGE extent ≥2% and syncope. The median time dependent AUC of LGE extent (0.88, 95% CI 0.86-0.89) was significantly higher than that of syncope (0.63, 95% CI 0.61-0.66, p < 0.0001) and NSVT (0.52, 95% CI 0.50-0.53, p < 0.0001). CONCLUSIONS In children with HCM, LGE and syncope were independent predictors of hard cardiac events at follow-up.
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Affiliation(s)
- Lamia Ait Ali
- Institute of Clinical Physiology CNR, UO Massa and Fondazione G. Monasterio. CNR-Regione Toscana. Italy
| | | | - Duarte Saraiva Martins
- Pediatric Cardiology Department, Hospital de Santa Cruz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - Diala Khraiche
- Unité médico-chirurgicale de cardiologie congénitale et pédiatrique, centre de référence des maladies cardiaques congénitales complexes - M3C, Hôpital universitaire Necker-Enfants Malades, Université de Paris, France
| | | | | | | | | | - Elena Panaioli
- Unité médico-chirurgicale de cardiologie congénitale et pédiatrique, centre de référence des maladies cardiaques congénitales complexes - M3C, Hôpital universitaire Necker-Enfants Malades, Université de Paris, France
| | - Damien Bonnet
- Unité médico-chirurgicale de cardiologie congénitale et pédiatrique, centre de référence des maladies cardiaques congénitales complexes - M3C, Hôpital universitaire Necker-Enfants Malades, Université de Paris, France
| | - Nathalie Boddaert
- Pediatric Radiology Unit, Hôpital universitaire Necker-Enfants Malades, Université de Paris, France
| | | | - Francesca Raimondi
- Unité médico-chirurgicale de cardiologie congénitale et pédiatrique, centre de référence des maladies cardiaques congénitales complexes - M3C, Hôpital universitaire Necker-Enfants Malades, Université de Paris, France and Azienda Ospedaliero Universitaria Meyer, Florence, Italy.
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28
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Mahmod M, Raman B, Chan K, Sivalokanathan S, Smillie RW, Samat AHA, Ariga R, Dass S, Ormondroyd E, Watkins H, Neubauer S. Right ventricular function declines prior to left ventricular ejection fraction in hypertrophic cardiomyopathy. J Cardiovasc Magn Reson 2022; 24:36. [PMID: 35692049 PMCID: PMC9190122 DOI: 10.1186/s12968-022-00868-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 05/19/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The right ventricle (RV) in hypertrophic cardiomyopathy (HCM) tends to be neglected, as previous efforts have predominantly focused on examining the prognostic value of left ventricular (LV) abnormalities. The objectives of this study were to assess RV function in HCM, changes over time, and association with clinical outcomes. METHODS Two hundred and ninety HCM patients with preserved LV ejection fraction (LVEF ≥ 55%) and 30 age- and sex-matched controls underwent cardiovascular magnetic resonance (CMR). All patients were followed up for clinical events for a median duration of 4.4 years. Sixty-three patients had a follow-up CMR undertaken at a median interval of 5.4 years. Main study measures and outcomes were RV function (RV ejection fraction (RVEF) and RV strain) at baseline, temporal changes in RV function over time and prognostic value of RV dysfunction for predicting cardiovascular outcomes in HCM. RESULTS When compared to controls, HCM patients exhibited lower RV and LV peak global longitudinal systolic strains on feature-tracking analysis of cine images, while RVEF and LVEF were within the normal range. On follow-up CMR, both RV and LV strain parameters decreased over time. RVEF decreased at follow-up (65 ± 7% to 62 ± 7%, P < 0.001) but the change in LVEF was not significant (68 ± 10% to 66 ± 8%, P = 0.30). On clinical follow up, reduced RVEF was an independent predictor of non-sustained ventricular tachycardia (NSVT) [HR 1.10 (95% CI 1.06-1.15), P < 0.001] and composite cardiovascular events (NSVT, stroke, heart failure hospitalisation and cardiovascular death) [HR 1.07 (95% CI 1.03-1.10), P < 0.001]. RV longitudinal strain was an independent predictor of NSVT [HR 1.05 (95% CI 1.01-1.09), P = 0.029]. Patients with RVEF < 55% showed an increased risk of NSVT and composite cardiovascular events. In contrast, LVEF and LV global longitudinal strain were not predictive of such events on multivariable analysis. CONCLUSIONS In HCM, RV function, including RV strain, and LV strain decrease over time despite preserved LVEF. Reduction in RV but not LV function is associated with adverse cardiovascular outcomes. Assessing RV function in early HCM disease might have a role in risk stratification to prevent future cardiovascular events.
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Affiliation(s)
- Masliza Mahmod
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK.
| | - Betty Raman
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Kenneth Chan
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Sanjay Sivalokanathan
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Robert W Smillie
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Azlan H Abd Samat
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Rina Ariga
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Sairia Dass
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
| | - Elizabeth Ormondroyd
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Hugh Watkins
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Stefan Neubauer
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford Centre for Clinical Magnetic Resonance Research (OCMR), University of Oxford, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
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29
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Fogel MA, Anwar S, Broberg C, Browne L, Chung T, Johnson T, Muthurangu V, Taylor M, Valsangiacomo-Buechel E, Wilhelm C. Society for Cardiovascular Magnetic Resonance/European Society of Cardiovascular Imaging/American Society of Echocardiography/Society for Pediatric Radiology/North American Society for Cardiovascular Imaging Guidelines for the Use of Cardiac Magnetic Resonance in Pediatric Congenital and Acquired Heart Disease: Endorsed by The American Heart Association. Circ Cardiovasc Imaging 2022; 15:e014415. [PMID: 35727874 PMCID: PMC9213089 DOI: 10.1161/circimaging.122.014415] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Cardiovascular magnetic resonance has been utilized in the management and care of pediatric patients for nearly 40 years. It has evolved to become an invaluable tool in the assessment of the littlest of hearts for diagnosis, pre-interventional management and follow-up care. Although mentioned in a number of consensus and guidelines documents, an up-to-date, large, stand-alone guidance work for the use of cardiovascular magnetic resonance in pediatric congenital 36 and acquired 35 heart disease endorsed by numerous Societies involved in the care of these children is lacking. This guidelines document outlines the use of cardiovascular magnetic resonance in this patient population for a significant number of heart lesions in this age group and although admittedly, is not an exhaustive treatment, it does deal with an expansive list of many common clinical issues encountered in daily practice.
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Affiliation(s)
- Mark A Fogel
- Departments of Pediatrics (Cardiology) and Radiology, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA, (M.A.F.).,Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA, (M.A.F.)
| | - Shaftkat Anwar
- Department of Pediatrics (Cardiology) and Radiology, The University of California-San Francisco School of Medicine, San Francisco, USA, (S.A.)
| | - Craig Broberg
- Division of Cardiovascular Medicine, Oregon Health and Sciences University, Portland, USA, (C.B.)
| | - Lorna Browne
- Department of Radiology, University of Colorado, Denver, USA, (L.B.)
| | - Taylor Chung
- Department of Radiology and Biomedical Imaging, The University of California-San Francisco School of Medicine, San Francisco, USA, (T.C.)
| | - Tiffanie Johnson
- Department of Pediatrics (Cardiology), Indiana University School of Medicine, Indianapolis, USA, (T.J.)
| | - Vivek Muthurangu
- Department of Pediatrics (Cardiology), University College London, London, UK, (V.M.)
| | - Michael Taylor
- Department of Pediatrics (Cardiology), University of Cincinnati School of Medicine, Cincinnati, USA, (M.T.)
| | | | - Carolyn Wilhelm
- Department of Pediatrics (Cardiology), University Hospitals-Cleveland, Cleaveland, USA (C.W.)
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30
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Cha MJ, Kim C, Park CH, Hong YJ, Shin JM, Kim TH, Cha YJ, Park CH. Differential Diagnosis of Thick Myocardium according to Histologic Features Revealed by Multiparametric Cardiac Magnetic Resonance Imaging. Korean J Radiol 2022; 23:581-597. [PMID: 35555885 PMCID: PMC9174501 DOI: 10.3348/kjr.2021.0815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/21/2022] [Accepted: 02/27/2022] [Indexed: 11/16/2022] Open
Abstract
Left ventricular (LV) wall thickening, or LV hypertrophy (LVH), is common and occurs in diverse conditions including hypertrophic cardiomyopathy (HCM), hypertensive heart disease, aortic valve stenosis, lysosomal storage disorders, cardiac amyloidosis, mitochondrial cardiomyopathy, sarcoidosis and athlete’s heart. Cardiac magnetic resonance (CMR) imaging provides various tissue contrasts and characteristics that reflect histological changes in the myocardium, such as cellular hypertrophy, cardiomyocyte disarray, interstitial fibrosis, extracellular accumulation of insoluble proteins, intracellular accumulation of fat, and intracellular vacuolar changes. Therefore, CMR imaging may be beneficial in establishing a differential diagnosis of LVH. Although various diseases share LV wall thickening as a common feature, the histologic changes that underscore each disease are distinct. This review focuses on CMR multiparametric myocardial analysis, which may provide clues for the differentiation of thickened myocardium based on the histologic features of HCM and its phenocopies.
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Affiliation(s)
- Min Jae Cha
- Department of Radiology, Chung-Ang University Hospital, Seoul, Korea
| | - Cherry Kim
- Department of Radiology, Korea University Ansan Hospital, Ansan, Korea
| | - Chan Ho Park
- Department of Radiology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Yoo Jin Hong
- Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Min Shin
- Department of Radiology and Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Tae Hoon Kim
- Department of Radiology and Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yoon Jin Cha
- Department of Pathology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
| | - Chul Hwan Park
- Department of Radiology and Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
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31
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What Aspects of Phenotype Determine Risk for Sudden Cardiac Death in Pediatric Hypertrophic Cardiomyopathy? J Cardiovasc Dev Dis 2022; 9:jcdd9050124. [PMID: 35621835 PMCID: PMC9143993 DOI: 10.3390/jcdd9050124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 11/17/2022] Open
Abstract
Sudden cardiac death due to hypertrophic cardiomyopathy (HCM), is the most common autopsy-proven cause of unexpected medical death in children after infancy. This mode of death is preventable by implantation of an internal cardiac defibrillator (ICD), a procedure that has considerable morbidity in childhood patients, and even mortality. Since HCM is an inheritable disease (usually autosomal dominant, occasionally recessive), family screening may identify subjects at risk. This review summarizes published studies carried out to identify which phenotypic markers are important risk factors in childhood patients with HCM and reviews the performance of existing risk-stratification algorithms (HCM Risk-Kids, PRIMaCY) against those of single phenotypic markers. A significant proportion of HCM-patients diagnosed in childhood are associated with RASopathies such as Noonan syndrome, but a knowledge gap exists over risk stratification in this patient group. In conclusion, pediatric risk-stratification algorithms for sudden cardiac death perform better in children than adult HCM risk-stratification strategies. However, current multivariable algorithms overestimate risk substantially without having high sensitivity, and remain ‘a work in progress’. To include additional phenotypic parameters that can be reproducibly measured such as ECG-markers, e.g., ECG risk score (which has high sensitivity and negative predictive value), tissue Doppler diastolic function measurements, and quantification of myocardial scarring on cardiac magnetic resonance imaging, has the potential to improve risk-stratification algorithms. Until that work has been achieved, these are three factors that the clinician can combine with the current algorithm-calculated per cent risk, in order better to assess risk.
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32
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Baessato F, Romeo C, Rabbat MG, Pontone G, Meierhofer C. A Comprehensive Assessment of Cardiomyopathies through Cardiovascular Magnetic Resonance: Focus on the Pediatric Population. Diagnostics (Basel) 2022; 12:diagnostics12051022. [PMID: 35626178 PMCID: PMC9139185 DOI: 10.3390/diagnostics12051022] [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: 03/25/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 12/26/2022] Open
Abstract
Cardiomyopathies (CMPs) are a heterogeneous group of diseases that involve the myocardium and result in systolic or diastolic impairment of the cardiac muscle, potentially leading to heart failure, malignant arrhythmias, or sudden cardiac death. Occurrence in pediatric age is rare but has been associated with worse outcomes. Non-invasive cardiac imaging techniques, integrated with clinical, genetic, and electrocardiographic data, have shown a pivotal role in the clinical work-up of such diseases by defining structural alterations and assessing potential complications. Above all modalities, cardiovascular magnetic resonance (CMR) has emerged as a powerful tool complementary to echocardiography to confirm diagnosis, provide prognostic information and guide therapeutic strategies secondary to its high spatial and temporal resolution, lack of ionizing radiation, and good reproducibility. Moreover, CMR can provide in vivo tissue characterization of the myocardial tissue aiding the identification of structural pathologic changes such as replacement or diffuse fibrosis, which are predictors of worse outcomes. Large prospective randomized studies are needed for further validation of CMR in the context of childhood CMPs. This review aims to highlight the role of advanced imaging with CMR in CMPs with particular reference to the dilated, hypertrophic and non-compacted phenotypes, which are more commonly seen in children.
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Affiliation(s)
- Francesca Baessato
- Congenital Heart Disease and Pediatric Cardiology, German Heart Center Munich, Technical University of Munich, 80636 Munich, Germany;
- Department of Cardiology, Regional Hospital S. Maurizio, 39100 Bolzano, Italy;
- Correspondence:
| | - Cristina Romeo
- Department of Cardiology, Regional Hospital S. Maurizio, 39100 Bolzano, Italy;
| | - Mark G. Rabbat
- Division of Cardiology, Loyola University Medical Center, Chicago, IL 60153, USA;
| | - Gianluca Pontone
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy;
| | - Christian Meierhofer
- Congenital Heart Disease and Pediatric Cardiology, German Heart Center Munich, Technical University of Munich, 80636 Munich, Germany;
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33
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Wang Y, Zhao X, Zhai M, Huang Y, Zhou Q, Zhang Y, Mao Y, Zhang J. Hypertrophic obstructive cardiomyopathy complicated with acute myocardial infarction and diffuse fibrosis: surgery or not? BMC Cardiovasc Disord 2022; 22:168. [PMID: 35418024 PMCID: PMC9008966 DOI: 10.1186/s12872-022-02602-z] [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: 12/13/2020] [Accepted: 03/30/2022] [Indexed: 11/21/2022] Open
Abstract
Background Hypertrophic cardiomyopathy with extreme hypertrophy, biventricular obstruction and diffuse myocardial fibrosis complicated by myocardial infarction in the absence of obstructive coronary artery disease (MINOCA) is a rare phenotype. Evidence and guideline recommendations are still lacking for a treatment strategy. Case presentation Emergency coronary angiography was performed in a 38-year-old man with a 2-year history of nonobstructive hypertrophic cardiomyopathy (HCM) presenting with acute myocardial infarction. The coronary angiogram yielded no stenotic lesions but showed a diffusely dilated left descending artery with slow blood flow. All evidence from biomarker analysis, electrocardiography, echocardiography, and imaging supported the diagnosis of acute myocardial infarction in the left ventricular anterior wall. The echocardiogram demonstrated severe interventricular and apical hypertrophy, severe left ventricular outflow tract obstruction and mild right ventricular outflow tract obstruction. Cardiac magnetic resonance imaging showed a concentric morphological subtype of HCM with diffuse late gadolinium enhancement in the left ventricle. Extended septal myectomy was performed 1 month later, and the patient recovered well. Conclusions Hypertrophic obstructive cardiomyopathy with acute myocardial infarction is an indication for coronary angiography. Septal reduction surgery could be performed cautiously in HCM patients with extreme hypertrophy, biventricular obstruction and diffuse myocardial fibrosis complicated by MINOCA to improve the patient’s symptoms.
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Affiliation(s)
- Yunhong Wang
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Xuemei Zhao
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Mei Zhai
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Yan Huang
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Qiong Zhou
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Yuhui Zhang
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China
| | - Yi Mao
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China.
| | - Jian Zhang
- Heart Failure Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 North Lishi Road, Beijing, 100037, People's Republic of China.
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34
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Norrish G, Qu C, Field E, Cervi E, Khraiche D, Klaassen S, Ojala TH, Sinagra G, Yamazawa H, Marrone C, Popoiu A, Centeno F, Schouvey S, Olivotto I, Day SM, Colan S, Rossano J, Wittekind SG, Saberi S, Russell M, Helms A, Ingles J, Semsarian C, Elliott PM, Ho CY, Omar RZ, Kaski JP. External validation of the HCM Risk-Kids model for predicting sudden cardiac death in childhood hypertrophic cardiomyopathy. Eur J Prev Cardiol 2022; 29:678-686. [PMID: 34718528 PMCID: PMC8967478 DOI: 10.1093/eurjpc/zwab181] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/22/2021] [Indexed: 11/24/2022]
Abstract
AIMS Sudden cardiac death (SCD) is the most common mode of death in childhood hypertrophic cardiomyopathy (HCM). The newly developed HCM Risk-Kids model provides clinicians with individualized estimates of risk. The aim of this study was to externally validate the model in a large independent, multi-centre patient cohort. METHODS AND RESULTS A retrospective, longitudinal cohort of 421 patients diagnosed with HCM aged 1-16 years independent of the HCM Risk-Kids development and internal validation cohort was studied. Data on HCM Risk-Kids predictor variables (unexplained syncope, non-sustained ventricular tachycardia, maximal left ventricular wall thickness, left atrial diameter, and left ventricular outflow tract gradient) were collected from the time of baseline clinical evaluation. The performance of the HCM Risk-Kids model in predicting risk at 5 years was assessed. Twenty-three patients (5.4%) met the SCD end-point within 5 years, with an overall incidence rate of 2.03 per 100 patient-years [95% confidence interval (CI) 1.48-2.78]. Model validation showed a Harrell's C-index of 0.745 (95% CI 0.52-0.97) and Uno's C-index 0.714 (95% 0.58-0.85) with a calibration slope of 1.15 (95% 0.51-1.80). A 5-year predicted risk threshold of ≥6% identified 17 (73.9%) SCD events with a corresponding C-statistic of 0.702 (95% CI 0.60-0.81). CONCLUSIONS This study reports the first external validation of the HCM Risk-Kids model in a large and geographically diverse patient population. A 5-year predicted risk of ≥6% identified over 70% of events, confirming that HCM Risk-Kids provides a method for individualized risk predictions and shared decision-making in children with HCM.
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Affiliation(s)
- Gabrielle Norrish
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London WC1N 3JH, UK
- Institute of Cardiovascular Sciences, University College London, London, UK
| | - Chen Qu
- Department of Statistical Science, University College London, London, UK
| | - Ella Field
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London WC1N 3JH, UK
- Institute of Cardiovascular Sciences, University College London, London, UK
| | - Elena Cervi
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London WC1N 3JH, UK
| | | | - Sabine Klaassen
- Department of Paediatric Cardiology, Charite – Universitatsmedizin Berlin, Berlin, Germany
- Experimental and Clinical Research Centre (ECRC), a joint cooperation between the Charité Medical Faculty and the Max-Delbrück-Centre for Molecular Medicine (MDC), Charite – Universitatsmedizin Berlin, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Tiina H Ojala
- Department of Paediatric Cardiology, New Children’s Hospital, University of Helsinki, Helsinki, Finland
| | - Gianfranco Sinagra
- Heart Muscle Disease Registry Trieste, University of Trieste, Trieste, Italy
| | - Hirokuni Yamazawa
- Department of Paediatrics, Faculty of Medicine and Graduate school of Medicine, Hokkaido University Hospital, Sapporo, Japan
| | | | - Anca Popoiu
- Department of Paediatrics, Children’s Hospital ‘Louis Turcanu’, University of Medicine and Pharmacy “Victor Babes” Timisoara, Timisoara, Romania
| | | | | | - Iacopo Olivotto
- Cardiomyopathy Unit, Careggi University Hospital, Florence, Italy
| | - Sharlene M Day
- Department of Internal Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Steve Colan
- Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Joseph Rossano
- Children’s Hospital of Philadelphia, Philadelphia, PA, USA
| | - Samuel G Wittekind
- Cincinnati Children's Hospital Medical Center, Heart Institute, Cincinnati, OH, USA
| | - Sara Saberi
- Department of Internal Medicine-Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Mark Russell
- Department of Internal Medicine-Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Adam Helms
- Department of Internal Medicine-Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Jodie Ingles
- Cardio Genomics Program at Centenary Institute, The University of Sydney, Sydney, Australia
| | - Christopher Semsarian
- Agnes Ginges Centre for Molecular Cardiology, Centenary Institute, The University of Sydney, Sydney, Australia
| | - Perry M Elliott
- Institute of Cardiovascular Sciences, University College London, London, UK
- St Bartholomew’s Centre for Inherited Cardiovascular Diseases, St Bartholomew’s Hospital, West Smithfield, London, UK
| | - Carolyn Y Ho
- Cardiovascular Division, Brigham and Women's Hospital, Boston, MA, USA
| | - Rumana Z Omar
- Department of Statistical Science, University College London, London, UK
| | - Juan P Kaski
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London WC1N 3JH, UK
- Institute of Cardiovascular Sciences, University College London, London, UK
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Nguyen MB, Mital S, Mertens L, Jeewa A, Friedberg MK, Aguet J, Adler A, Lam CZ, Dragulescu A, Rakowski H, Villemain O. Pediatric Hypertrophic Cardiomyopathy: Exploring the Genotype-Phenotype Association. J Am Heart Assoc 2022; 11:e024220. [PMID: 35179047 PMCID: PMC9075072 DOI: 10.1161/jaha.121.024220] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Pediatric hypertrophic cardiomyopathy (HCM) is the most common form of cardiomyopathy in children and a leading cause of sudden cardiac death. Yet, the association between genotype variation, phenotype expression, and adverse events in pediatric HCM has not been fully elucidated. Although the literature on this topic is evolving in adult HCM, the evidence in children is lacking. Solidifying our understanding of this relationship could improve risk stratification as well as improve our comprehension of the underlying pathophysiological characteristics of pediatric HCM. In this state‐of‐the‐art review, we examine the current literature on genetic variations in HCM and their association with outcomes in children, discuss the current approaches to identifying cardiovascular phenotypes in pediatric HCM, and explore possible avenues that could improve sudden cardiac death risk assessment.
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Affiliation(s)
- Minh B Nguyen
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Seema Mital
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Luc Mertens
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Aamir Jeewa
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Mark K Friedberg
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Julien Aguet
- Department of Diagnostic Imaging Hospital for Sick Children University of Toronto Ontario Canada
| | - Arnon Adler
- Division of Cardiology Peter Munk Cardiac Centre Toronto General HospitalUniversity of Toronto Ontario Canada
| | - Christopher Z Lam
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Andreea Dragulescu
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
| | - Harry Rakowski
- Division of Cardiology Peter Munk Cardiac Centre Toronto General HospitalUniversity of Toronto Ontario Canada
| | - Olivier Villemain
- Division of Cardiology Labatt Family Heart Centre Hospital for Sick Children University of Toronto Ontario Canada
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Song Y, Bi X, Chen L, Yang K, Chen X, Dong Z, Wang J, Kong X, Zhao K, Wang H, Duru F, Lu M, Ma L, Qiao S, Zhao S. Reduced myocardial septal function assessed by cardiac magnetic resonance feature tracking in patients with hypertrophic obstructive cardiomyopathy: associated with histological myocardial fibrosis and ventricular arrhythmias. Eur Heart J Cardiovasc Imaging 2022; 23:1006-1015. [PMID: 35167663 DOI: 10.1093/ehjci/jeac032] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Indexed: 01/10/2023] Open
Abstract
AIMS Echocardiographic studies suggest that strain is related to myocardial fibrosis (MF) and ventricular arrhythmias (VA) in hypertrophic cardiomyopathy (HCM) patients. Cardiac magnetic resonance feature tracking (CMR-FT) also allows strain analysis, but little is known whether it provides incremental value to late gadolinium enhancement imaging (LGE). This study aimed to explore the relationship between CMR-FT-derived strain parameters and histopathology MF and VA and its incremental value to LGE in obstructive HCM (HOCM) patients undergoing septal myectomy. METHODS AND RESULTS One hundred and twenty-three symptomatic HOCM patients underwent CMR examination, followed by septal myectomy. The abnormally increased histological MF was defined as higher than the mean + 2 standard deviation (SD) of nine control autopsy subjects who had no history of cardiovascular disease. Septal strain parameters and septal LGE were evaluated at the site of surgical myectomy. Among HOCM patients without LGE, septal circumferential (P = 0.003), longitudinal (P = 0.001), and radial (P = 0.02) strains were significantly impaired in patients with increased histological MF than those without. Histological MF was significantly associated with septal circumferential strain (r = 0.32, P < 0.001), septal longitudinal strain (r = 0.42, P < 0.001), and septal radial strain (r = -0.27, P = 0.003). On multivariate analysis, septal longitudinal strain was independently associated with histological MF [β, 0.19 (0.05-0.34); P = 0.01], and VA [odds ratio, 1.10 (1.01-1.19); P = 0.02]. Moreover, septal longitudinal strain was incremental to septal %LGE in detecting increased MF (P = 0.001) and VA (P = 0.048). CONCLUSIONS Septal longitudinal strain at CMR is independently related to histological MF and occurrence of VA in HOCM patients. Moreover, it provides incremental value over LGE in detecting increased MF and VA.
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Affiliation(s)
- Yanyan Song
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Xuanye Bi
- Department of Cardiovascular Disease, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Liang Chen
- Department of Cardiac Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kai Yang
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Xiuyu Chen
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Zhixiang Dong
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Jiaxin Wang
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Xiangyong Kong
- Department of Cardiology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, No. 1 Swan Lake Road, Hefei 230001, Anhui, China
| | - Kankan Zhao
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, SZ University Town, Shenzhen, China
| | - Hongyue Wang
- Department of Pathology, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Firat Duru
- Department of Cardiology, University Heart Center, University Hospital Zurich, Rämistrasse 100, Zurich 8091, Switzerland
| | - Minjie Lu
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Likun Ma
- Department of Cardiology, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, No. 1 Swan Lake Road, Hefei 230001, Anhui, China
| | - Shubin Qiao
- Department of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
| | - Shihua Zhao
- Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beilishi Road No. 167, Xicheng District, Beijing 100037, China
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Maron BJ, Desai MY, Nishimura RA, Spirito P, Rakowski H, Towbin JA, Rowin EJ, Maron MS, Sherrid MV. Diagnosis and Evaluation of Hypertrophic Cardiomyopathy. J Am Coll Cardiol 2022; 79:372-389. [DOI: 10.1016/j.jacc.2021.12.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 12/20/2022]
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Lee S, Pahl E. Optimal imaging strategy for surveillance in children with hypertrophic cardiomyopathy. PROGRESS IN PEDIATRIC CARDIOLOGY 2021. [DOI: 10.1016/j.ppedcard.2021.101432] [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: 11/30/2022]
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Ma P, Shang Y, Hu Y, Liu J, Zhou X, Wang J. Linear late gadolinium enhancement in the basal anterior septum and lateral wall may represent the contrast enhancement of vessels: A CMR and CCTA comparison study. J Cardiol 2021; 79:581-587. [PMID: 34815134 DOI: 10.1016/j.jjcc.2021.10.027] [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: 06/29/2021] [Revised: 09/09/2021] [Accepted: 10/11/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND The purpose of this paper was to verify that the linear high-intensity signal on late gadolinium enhancement-cardiac magnetic resonance (LGE-CMR) may represent the contrast enhancement of vessels rather than scars or fibrosis, and to assess whether this linear high-intensity signal will affect the quantification of myocardial fibrosis in patients with hypertrophic cardiomyopathy (HCM). METHODS A total of 58 patients who underwent both coronary computed tomography angiography (CCTA) and LGE-CMR in our hospital were ultimately enrolled. The definitions of positive linear LGE (LLGE+) were as follows: (1) LLGE in the basal anterior septum or lateral wall, and (2) LLGE observable at 10 mm or more. All other patients were regarded as negative LLGE (LLGE-). In LLGE+ patients, the length of the LLGE located in the anterior septum and lateral wall was compared with the length of the septal perforator artery and the circumflex artery on CCTA, respectively. For nine patients with HCM, the LGE% was measured before and after removal of LLGE. RESULTS Among the 58 patients, 40 showed LLGE+ and 18 showed LLGE-. For patients with LLGE in the anterior septum, there was a strong correlation between LLGE and anterior septal perforator arteries in length (r=0.887, p<0.001). For patients with LLGE in the lateral wall, LLGE also correlated well with the circumflex arteries in length (r=0.962, p<0.001). In nine patients with HCM, the LGE% decreased significantly after the removal of LLGE [9.50 (7.70 - 17.35)% vs. 8.80 (6.20 - 15.55)%, p<0.05]. CONCLUSIONS The LLGE in the anterior septum and lateral wall may represent contrast enhancement of the anterior septal perforator artery and the circumflex artery, respectively. This LLGE may overestimate the extent of myocardial fibrosis in patients with HCM.
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Affiliation(s)
- Peisong Ma
- Department of Radiology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yongning Shang
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China.
| | - Yurou Hu
- Department of Radiology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Juan Liu
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | | | - Jian Wang
- Department of Radiology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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Abstract
Sudden cardiac death (SCD) is the most common cause of death in childhood hypertrophic cardiomyopathy (HCM) and occurs more frequently than in adult patients. Risk stratification strategies have traditionally been extrapolated from adult practice, but newer evidence has highlighted important differences between childhood and adult cohorts, with the implication that pediatric-specific risk stratification strategies are required. Current guidelines use cumulative risk factor thresholds to recommend implantable cardioverter defibrillator (ICD) implantation but have been shown to have limited discriminatory ability. Newer pediatric models that allow clinicians to calculate individualized estimates of 5-year risk allowing, for the first time, personalization of ICD implantation decision-making have been developed. This article describes the pathophysiology, risk factors, and approach to risk stratification for SCD in childhood HCM and highlights unanswered questions.
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Affiliation(s)
- Gabrielle Norrish
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London, UK; Institute of Cardiovascular Sciences University College London, UK
| | - Juan Pablo Kaski
- Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital, London, UK; Institute of Cardiovascular Sciences University College London, UK.
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Chamling B, Drakos S, Bietenbeck M, Klingel K, Meier C, Yilmaz A. Diagnosis of Cardiac Involvement in Amyloid A Amyloidosis by Cardiovascular Magnetic Resonance Imaging. Front Cardiovasc Med 2021; 8:757642. [PMID: 34646875 PMCID: PMC8502966 DOI: 10.3389/fcvm.2021.757642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/01/2021] [Indexed: 01/04/2023] Open
Abstract
Background: Diagnosis of cardiac involvement in amyloid A (AA) amyloidosis is challenging since AA amyloidosis is a rare disease and cardiac involvement even less frequent. The diagnostic yield of currently available non-invasive imaging methods is not well-studied and rather limited, and invasive endomyocardial biopsy (EMB) is rarely performed due to the potential risk of this procedure. Cardiovascular magnetic resonance (CMR)-based myocardial tissue characterization by late-gadolinium-enhancement (LGE) imaging and novel-mapping approaches may increase the diagnostic yield in AA amyloidosis. Methods: Two patients with AA amyloidosis in whom cardiac involvement was suspected based on CMR findings and subsequently proven by biopsy work-up are presented. CMR studies were performed on a 1.5-T system and comprised a cine steady-state free precession pulse sequence for ventricular function and a late-gadolinium-enhancement (LGE) sequence for detection of myocardial pathology. Moreover, a modified Look-Locker inversion recovery (MOLLI) T1-mapping sequence was applied in basal, mid and apical short-axes prior to contrast agent administration and ~20 min thereafter to determine native T1 and ECV values. Results: Both patients showed slightly dilated left ventricles (LV) with mild to moderate LV hypertrophy and preserved systolic function. Only a very subtle pattern of LGE was observed in both patients with AA amyloidosis. However, markedly elevated native T1 (max. 1,108 and 1,112 ms, respectively) and extracellular volume fraction (ECV) values (max. 39 and 48%, respectively) were measured in the myocardium suggesting the presence of cardiac involvement - with subsequent EMB-based proof of AA amyloidosis. Conclusion: We recommend a multi-parametric CMR approach in patients with AA amyloidosis comprising both LGE-based contrast-imaging and T1-mapping-based ECV measurement of the myocardium for non-invasive work-up of suspected cardiac involvement. The respective CMR findings may be used as gatekeeper for additional invasive procedures (such as EMB) and as a non-invasive monitoring tool regarding assessment and modification of ongoing treatments.
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Affiliation(s)
- Bishwas Chamling
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Albert Schweitzer Campus 1, Münster, Germany
| | - Stefanos Drakos
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Albert Schweitzer Campus 1, Münster, Germany
| | - Michael Bietenbeck
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Albert Schweitzer Campus 1, Münster, Germany
| | - Karin Klingel
- Institute for Pathology and Neuropathology, University Hospital Tübingen, Tübingen, Germany
| | - Claudia Meier
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Albert Schweitzer Campus 1, Münster, Germany
| | - Ali Yilmaz
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Albert Schweitzer Campus 1, Münster, Germany
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Prevention of sudden cardiac death in childhood-onset hypertrophic cardiomyopathy. PROGRESS IN PEDIATRIC CARDIOLOGY 2021. [DOI: 10.1016/j.ppedcard.2021.101412] [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: 11/30/2022]
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师 轲, 李 颖, 张 天, 李 真, 黎 海, 彭 婉, 夏 春. [Early Assessment of Myocardial Fibrosis of Hypertrophic Cardiomyopathy with Native-T1-Mapping-Based Deep Learning: A Preliminary Study]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2021; 52:819-824. [PMID: 34622599 PMCID: PMC10408900 DOI: 10.12182/20210960506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To explore the diagnostic performance of deep learning (DL) model in early detection of the interstitial myocardial fibrosis using native T1 maps of hypertrophic cardiomyopathy (HCM) without late gadolinium enhancement (LGE). METHODS Sixty HCM patients and 44 healthy volunteers who underwent cardiac magnetic resonance were enrolled in this study. Each native T1 map was labeled according to its LGE status. Then, native T1 maps of LGE (-) and those of the controls were preprocessed and entered in the SE-ResNext-50 model as the matrix for the DL model for training, validation and testing. RESULTS A total of 241 native T1 maps were entered in the SE-ResNext-50 model. The model achieved a specificity of 0.87, sensitivity of 0.79, and area under curve ( AUC) of 0.83 ( P<0.05) in distinguishing native T1 maps of LGE (-) from those of the controls in the testing set. CONCLUSION The DL model based on SE-ResNext-50 could be used for identifying native T1 maps of LGE (-) with relatively high accuracy. It is a promising approach for early detection of myocardial fibrosis in HCM without the use of contrast agent.
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Affiliation(s)
- 轲 师
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 颖 李
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 天静 张
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 真林 李
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 海霞 黎
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 婉琳 彭
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 春潮 夏
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
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Aziz A, Musiol SK, Moody WE, Pickup L, Cooper R, Lip GYH. Clinical prediction of genotypes in hypertrophic cardiomyopathy: A systematic review. Eur J Clin Invest 2021; 51:e13593. [PMID: 33948946 DOI: 10.1111/eci.13593] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 03/14/2021] [Accepted: 03/18/2021] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Hypertrophic cardiomyopathy (HCM) is the most common inherited cardiac condition and the most common cause of sudden cardiac death (SCD) in patients below the age of 35. Genetic testing is a vital part of HCM diagnostics, yet correlation with clinical phenotypes remains complex. Identifying clinical predictors of informative genetic testing may prevent unnecessary investigations and improve cost-effectiveness of services. This article reviews the current literature pertinent to identifying such predictors. METHODS Five literature databases were screened using a suitably designed search strategy. Studies investigating the correlation between having a positive genetic test for HCM and a range of clinical and radiological parameters were included in the systematic review. RESULTS Twenty-nine observational studies of a total of 9,486 patients were included. The main predictors of informative genetic testing were younger age, higher septal thickness, reverse septal curvature, family history of HCM and SCD and the absence of hypertension. Two externally validated scoring systems have also been developed: the Mayo and Toronto scores. Novel imaging markers and complex algorithmic models are emerging predictors. CONCLUSION Using clinical predictors to decide whom to test is a feasible alternative to investigating all comers. Nonetheless, currently there is not enough evidence to unequivocally recommend for or against this strategy. Further validation of current predictors and identification of new ones remain open research avenues.
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Affiliation(s)
- Amir Aziz
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, AB, Canada
| | | | - William E Moody
- Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Luke Pickup
- Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Rob Cooper
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Korthals D, Chatzantonis G, Bietenbeck M, Meier C, Stalling P, Yilmaz A. CMR-based T1-mapping offers superior diagnostic value compared to longitudinal strain-based assessment of relative apical sparing in cardiac amyloidosis. Sci Rep 2021; 11:15521. [PMID: 34330967 PMCID: PMC8324782 DOI: 10.1038/s41598-021-94650-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 07/14/2021] [Indexed: 02/06/2023] Open
Abstract
Cardiac amyloidosis (CA) is an infiltrative disease. In the present study, we compared the diagnostic accuracy of cardiovascular magnetic resonance (CMR)-based T1-mapping and subsequent extracellular volume fraction (ECV) measurement and longitudinal strain analysis in the same patients with (a) biopsy-proven cardiac amyloidosis (CA) and (b) hypertrophic cardiomyopathy (HCM). N = 30 patients with CA, N = 20 patients with HCM and N = 15 healthy control patients without relevant cardiac disease underwent dedicated CMR studies. The CMR protocol included standard sequences for cine-imaging, native and post-contrast T1-mapping and late-gadolinium-enhancement. ECV measurements were based on pre- and post-contrast T1-mapping images. Feature-tracking analysis was used to calculate 3D left ventricular longitudinal strain (LV-LS) in basal, mid and apical short-axis cine-images and to assess the presence of relative apical sparing. Receiver-operating-characteristic analysis revealed an area-under-the-curve regarding the differentiation of CA from HCM of 0.984 for native T1-mapping (p < 0.001), of 0.985 for ECV (p < 0.001) and only 0.740 for the "apical-to-(basal + midventricular)"-ratio of LV-LS (p = 0.012). A multivariable logistical regression analysis showed that ECV was the only statistically significant predictor of CA when compared to the parameter LV-LS or to the parameter "apical-to-(basal + midventricular)" LV-RLS-ratio. Native T1-mapping and ECV measurement are both superior to longitudinal strain measurement (with assessment of relative apical sparing) regarding the appropriate diagnosis of CA.
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Affiliation(s)
- Dennis Korthals
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
| | - Grigorios Chatzantonis
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
| | - Michael Bietenbeck
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
| | - Claudia Meier
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
| | - Philipp Stalling
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany
| | - Ali Yilmaz
- Department of Cardiology I, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149, Münster, Germany.
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Kitaoka H, Tsutsui H, Kubo T, Ide T, Chikamori T, Fukuda K, Fujino N, Higo T, Isobe M, Kamiya C, Kato S, Kihara Y, Kinugawa K, Kinugawa S, Kogaki S, Komuro I, Hagiwara N, Ono M, Maekawa Y, Makita S, Matsui Y, Matsushima S, Sakata Y, Sawa Y, Shimizu W, Teraoka K, Tsuchihashi-Makaya M, Ishibashi-Ueda H, Watanabe M, Yoshimura M, Fukusima A, Hida S, Hikoso S, Imamura T, Ishida H, Kawai M, Kitagawa T, Kohno T, Kurisu S, Nagata Y, Nakamura M, Morita H, Takano H, Shiga T, Takei Y, Yuasa S, Yamamoto T, Watanabe T, Akasaka T, Doi Y, Kimura T, Kitakaze M, Kosuge M, Takayama M, Tomoike H. JCS/JHFS 2018 Guideline on the Diagnosis and Treatment of Cardiomyopathies. Circ J 2021; 85:1590-1689. [PMID: 34305070 DOI: 10.1253/circj.cj-20-0910] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hiroaki Kitaoka
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | | | - Toru Kubo
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | - Tomomi Ide
- Department of Cardiovascular Medicine, Kyushu University
| | | | - Keiichi Fukuda
- Department of Cardiology, Keio University School of Medicine
| | - Noboru Fujino
- Department of Cardiovascular and Internal Medicine, Kanazawa University, Graduate School of Medical Science
| | - Taiki Higo
- Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences
| | | | - Chizuko Kamiya
- Department of Perinatology and Gynecology, National Cerebral and Cardiovascular Center
| | - Seiya Kato
- Division of Pathology, Saiseikai Fukuoka General Hospital
| | | | | | | | - Shigetoyo Kogaki
- Department of Pediatrics and Neonatology, Osaka General Medical Center
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | | | - Minoru Ono
- Department of Cardiac Surgery, The University of Tokyo Hospital
| | - Yuichiro Maekawa
- Division of Cardiology, Internal Medicine III, Hamamatsu University School of Medicine
| | - Shigeru Makita
- Department of Cardiac Rehabilitation, Saitama International Medical Center, Saitama Medical University
| | - Yoshiro Matsui
- Department of Cardiac Surgery, Hanaoka Seishu Memorial Hospital
| | | | - Yasushi Sakata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
| | - Yoshiki Sawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine
| | - Wataru Shimizu
- Department of Cardiovascular Medicine, Nippon Medical School
| | | | | | | | - Masafumi Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University Faculty of Medicine
| | - Michihiro Yoshimura
- Division of Cardiology, Department of Internal Medicine, The Jikei University School of Medicine
| | | | - Satoshi Hida
- Department of Cardiovascular Medicine, Tokyo Medical University
| | - Shungo Hikoso
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
| | | | | | - Makoto Kawai
- Division of Cardiology, Department of Internal Medicine, The Jikei University School of Medicine
| | - Toshiro Kitagawa
- Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences
| | - Takashi Kohno
- Department of Cardiovascular Medicine, Kyorin University School of Medicine
| | - Satoshi Kurisu
- Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences
| | - Yoji Nagata
- Division of Cardiology, Fukui CardioVascular Center
| | - Makiko Nakamura
- Second Department of Internal Medicine, University of Toyama
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Hitoshi Takano
- Department of Cardiovascular Medicine, Nippon Medical School Hospital
| | - Tsuyoshi Shiga
- Department of Clinical Pharmacology and Therapeutics, The Jikei University School of Medicine
| | | | - Shinsuke Yuasa
- Department of Cardiology, Keio University School of Medicine
| | - Teppei Yamamoto
- Department of Cardiovascular Medicine, Nippon Medical School
| | - Tetsu Watanabe
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University Faculty of Medicine
| | - Takashi Akasaka
- Department of Cardiovascular Medicine, Wakayama Medical University
| | | | - Takeshi Kimura
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
| | | | - Masami Kosuge
- Division of Cardiology, Yokohama City University Medical Center
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Ommen SR, Mital S, Burke MA, Day SM, Deswal A, Elliott P, Evanovich LL, Hung J, Joglar JA, Kantor P, Kimmelstiel C, Kittleson M, Link MS, Maron MS, Martinez MW, Miyake CY, Schaff HV, Semsarian C, Sorajja P, O'Gara PT, Beckman JA, Levine GN, Al-Khatib SM, Armbruster A, Birtcher KK, Ciggaroa J, Dixon DL, de Las Fuentes L, Deswal A, Fleisher LA, Gentile F, Goldberger ZD, Gorenek B, Haynes N, Hernandez AF, Hlatky MA, Joglar JA, Jones WS, Marine JE, Mark D, Palaniappan L, Piano MR, Tamis-Holland J, Wijeysundera DN, Woo YJ. 2020 AHA/ACC guideline for the diagnosis and treatment of patients with hypertrophic cardiomyopathy: A report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. J Thorac Cardiovasc Surg 2021; 162:e23-e106. [PMID: 33926766 DOI: 10.1016/j.jtcvs.2021.04.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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48
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Gossios TD, Savvatis K, Zegkos T, Parcharidou D, Karvounis HI, Efthimiadis GK. Risk Prediction Models and Scores in Hypertrophic Cardiomyopathy. Curr Pharm Des 2021; 27:1254-1265. [PMID: 33550965 DOI: 10.2174/1381612827666210125121115] [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: 05/05/2020] [Accepted: 10/31/2020] [Indexed: 11/22/2022]
Abstract
Hypertrophic cardiomyopathy (HCM) has historically been linked with sudden cardiac death (SCD). Currently, it is well established that only a subset of patients is at the highest risk stratum for such a catastrophic event. Detection of patients belonging to this high-risk category can allow for timely defibrillator implantation, changing the natural history of HCM. Inversely, device implantation in patients deemed at low risk leads to an unnecessary burden of device complications with no apparent protective benefit. Previous studies have identified a series of markers, now considered established risk factors, with genetic testing and newer imaging allowing for the detection of novel, highly promising indices of increased risk for SCD. Despite the identification of a number of risk factors, there is noticeable discrepancy in the utility of such factors for risk stratification between the current American and European guidelines. We sought to systematically review the data available on these two approaches, presenting their rationale and respective predictive capacity, also discussing the potential of novel markers to augment the precision of currently used risk stratification models for SCD in HCM.
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Affiliation(s)
- Thomas D Gossios
- Cardiology Department, St Thomas' Hospital, Guy's and St Thomas' NHS Trust, London, United Kingdom
| | - Konstantinos Savvatis
- Inherited Cardiac Conditions Unit, Barts Heart Centre, St. Bartholomew's Hospital, Barts Health NHS Trust, London, United Kingdom
| | - Thomas Zegkos
- Cardiomyopathies Laboratory, 1st Aristotle University of Thessaloniki Cardiology Department, AHEPA University Hospital, Thessaloniki, Greece
| | - Despina Parcharidou
- Cardiomyopathies Laboratory, 1st Aristotle University of Thessaloniki Cardiology Department, AHEPA University Hospital, Thessaloniki, Greece
| | - Haralambos I Karvounis
- Cardiomyopathies Laboratory, 1st Aristotle University of Thessaloniki Cardiology Department, AHEPA University Hospital, Thessaloniki, Greece
| | - Georgios K Efthimiadis
- Cardiomyopathies Laboratory, 1st Aristotle University of Thessaloniki Cardiology Department, AHEPA University Hospital, Thessaloniki, Greece
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49
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Pradella S, Zantonelli G, Grazzini G, Cozzi D, Danti G, Acquafresca M, Miele V. The Radiologist as a Gatekeeper in Chest Pain. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:6677. [PMID: 34205792 PMCID: PMC8296491 DOI: 10.3390/ijerph18126677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 12/20/2022]
Abstract
Chest pain is a symptom that can be found in life-threatening conditions such as acute coronary syndrome (ACS). Those patients requiring invasive coronary angiography treatment or surgery should be identified. Often the clinical setting and laboratory tests are not sufficient to rule out a coronary or aortic syndrome. Cardiac radiological imaging has evolved in recent years both in magnetic resonance (MR) and in computed tomography (CT). CT, in particular, due to its temporal and spatial resolution, the quickness of the examination, and the availability of scanners, is suitable for the evaluation of these patients. In particular, the latest-generation CT scanners allow the exclusion of diagnoses such as coronary artery disease and aortic pathology, thereby reducing the patient's stay in hospital and safely selecting patients by distinguishing those who do not need further treatment from those who will need more- or less-invasive therapies. CT additionally reduces costs by improving long-term patient outcome. The limitations related to patient characteristics and those related to radiation exposure are weakening with the improvement of CT technology.
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Affiliation(s)
- Silvia Pradella
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
- Italian Society of Medical and Interventional Radiology (SIRM), SIRM Foundation, 20122 Milan, Italy
| | - Giulia Zantonelli
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
| | - Giulia Grazzini
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
| | - Diletta Cozzi
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
- Italian Society of Medical and Interventional Radiology (SIRM), SIRM Foundation, 20122 Milan, Italy
| | - Ginevra Danti
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
| | - Manlio Acquafresca
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
| | - Vittorio Miele
- Department of Emergency Radiology, University Hospital Careggi, Largo Brambilla 3, 50134 Florence, Italy; (G.Z.); (G.G.); (D.C.); (G.D.); (M.A.); (V.M.)
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50
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Wei X, Zhao L, Xie J, Liu Y, Du Z, Zhong X, Ye W, Wang Y, Chen Y, Lu M, Liu H. Cardiac Phenotype Characterization at MRI in Patients with Danon Disease: A Retrospective Multicenter Case Series. Radiology 2021; 299:303-310. [PMID: 33754825 DOI: 10.1148/radiol.2021203996] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Danon disease (DD) is a rare X-chromosome-linked dominant lysosomal glycogen storage disease. Its features have seldom been reported by using cardiac MRI. This case series aimed to evaluate cardiac features of DD on the basis of MRI observations from five centers in China. From January 2010 to May 2019, 16 patients with DD (13 male patients [81%]; median age, 19 years; age range, 14-44 years) underwent MRI. The most frequent DD cardiomyopathy manifestation was symmetric hypertrophy cardiomyopathy (HCM) phenotype (nine of 16; 56%), followed by asymmetric HCM phenotype (six of 16; 38%) and dilated cardiomyopathy phenotype (one of 16; 6%). The characteristic late gadolinium enhancement features included midbasal septum sparing (14 of 16; 88%) and apex involvement (16 of 16; 100%) with a base-to-apex increasing tendency, free wall involvement (15 of 16; 94%), and extensive subendocardium involvement (14 of 16; 88%). Abnormal T2 signal (seven of 16; 44%) and resting perfusion defect (14 of 16; 88%) were not uncommon in patients with DD. Furthermore, the cardiac MRI features of DD cohort in this study were compared with those of DD in previous literature and with genetically confirmed sarcomeric HCM.
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Affiliation(s)
- Xiaoyu Wei
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Lei Zhao
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Jiajun Xie
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Yang Liu
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Zhicheng Du
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Xiaomei Zhong
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Weitao Ye
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Yining Wang
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Yucheng Chen
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Minjie Lu
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
| | - Hui Liu
- From the Department of Radiology (X.W., X.Z., W.Y., H.L.) and Guangdong Cardiovascular Institute (Y.L.), Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhong Shan Er Lu, Guangzhou, Guangdong Province 510080, China; School of Medicine, South China University of Technology, Guangzhou, China (X.W., H.L.); Beijing Anzhen Hospital, Capital Medical University, No. 2 Anzhen Road, Chaoyang District, Beijing, China (L.Z.); Department of Radiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China (J.X.); Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China (Z.D.); Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China (Y.W.); Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China (Y.C.); Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China (M.L.); The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China (H.L.)
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