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Liu H, Zheng Y, Huo H, Peng X, Yang J, Ma C, Liu T. Case Report: Left ventricular apical hypertrophy in a patient with Leopard syndrome mimicking a cardiac tumor: a diagnostic challenge resolved by multimodality imaging. Front Cardiovasc Med 2024; 11:1378078. [PMID: 39105075 PMCID: PMC11299493 DOI: 10.3389/fcvm.2024.1378078] [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: 01/29/2024] [Accepted: 06/24/2024] [Indexed: 08/07/2024] Open
Abstract
Background LEOPARD syndrome (LS) is a rare genetic disorder presenting various clinical manifestations from childhood, complicating its diagnosis. In this study, we aim to refine the imaging presentation of LS and emphasize the importance of multimodality imaging in enhancing diagnostic accuracy and preventing serious cardiovascular events. Case A 41-year-old woman was admitted to hospital with a suspected apical tumor detected by a transthoracic echocardiogram (TTE), which was later identified as apical myocardial hypertrophy through cardiac magnetic resonance imaging (CMR). She had abnormal electrocardiograms from the age of 2 years and freckles around the age of 4 years. In recent years, she has been experiencing exertional dyspnea. Supplemental coronary computer tomography angiography (CCTA) revealed diffuse coronary dilatation. Both multimodality imaging and clinical manifestations led to a suspicion of LS, which was confirmed by subsequent genetic testing. The patient declined further treatment. A 3-month follow-up CMR showed no significant change in the lesion. Conclusion This report elucidates the diagnostic transition from an initial suspicion of an apical tumor by TTE to a definitive diagnosis of left ventricular apical hypertrophy by CMR in a 41-year-old woman with LS. It underscores the value of multimodality imaging (TTE, CCTA, CMR) in unraveling unusual cardiac manifestations in rare genetic disorders such as LS.
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Affiliation(s)
- Hui Liu
- Department of Radiology, The First Hospital of China Medical University, Shenyang, China
| | - Yue Zheng
- Department of Radiology, The First Hospital of China Medical University, Shenyang, China
| | - Huaibi Huo
- Department of Radiology, The First Hospital of China Medical University, Shenyang, China
| | - Xin Peng
- Department of Radiology, The First Hospital of China Medical University, Shenyang, China
- Department of Radiology, The Third People’s Hospital of Chengdu, Chengdu, China
| | - Jun Yang
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, Shenyang, China
| | - Chunyan Ma
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, Shenyang, China
| | - Ting Liu
- Department of Radiology, The First Hospital of China Medical University, Shenyang, China
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2
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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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4
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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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5
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Popa OA, Amzulescu M, Bugeac C, Tomescu L, Slavu IM, Gheorghita V, Andrei R, Tulin A. Cardiovascular Magnetic Resonance Imaging in Myocardial Disease. Cureus 2024; 16:e58688. [PMID: 38774162 PMCID: PMC11107957 DOI: 10.7759/cureus.58688] [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] [Accepted: 04/21/2024] [Indexed: 05/24/2024] Open
Abstract
Cardiovascular magnetic resonance (CMR) is the central non-invasive imaging investigation for the evaluation of myocardial disease. It is the well-established gold standard for measuring cardiac chamber volumes, systolic function, and left ventricular mass, and it brings unique information for therapeutic decisions. In addition, its tissue characterization capability, through T1, T2, and T2* mapping, as well as early and late gadolinium enhancement (LGE) sequences, allows to differentiate in many cases among ischemic, inflammatory, and infiltrative heart disease and permits the quantification of myocardial fibrosis, providing valuable diagnostic and prognostic information. This review aims to highlight the main CMR features of different cardiomyopathies.
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Affiliation(s)
- Oana-Andreea Popa
- Cardiology, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
| | - Mihaela Amzulescu
- Cardiology, Centre Hospitalier Universitaire (CHU) Saint Pierre, Bruxelles, BEL
| | - Claudia Bugeac
- Radiology, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
| | - Luminita Tomescu
- Radiology, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
| | - Iulian M Slavu
- Anatomy, Carol Davila University of Medicine and Pharmacy, Bucharest, ROU
| | - Valeriu Gheorghita
- Infectious Disease, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
| | - Rosu Andrei
- Cardiology, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
| | - Adrian Tulin
- Clinic of General Surgery, Agrippa Ionescu Emergency Clinical Hospital, Bucharest, ROU
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6
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Movahed MR, Irannejad K, Bates S. The Majority of Participants With Suspected Hypertrophic Cardiomyopathy Documented During Screening Echocardiography Have a Normal Electrocardiogram. Crit Pathw Cardiol 2024; 23:20-25. [PMID: 38381652 DOI: 10.1097/hpc.0000000000000346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
BACKGROUND Patients with hypertrophic cardiomyopathy (HCM) usually have abnormal electrocardiograms consistent with left ventricular hypertrophy (LVH). The goal of this study was to evaluate the prevalence of abnormal ECG findings (LVH, T wave inversion, left bundle branch block, and left atrial enlargement) in participants with suspected HCM detected during screening echocardiography. METHOD The Anthony Bates Foundation has been performing screening echocardiography across the United States for the prevention of sudden death since 2001. A total of 682 subjects between the ages of 8 and 71 underwent echocardiographic screening together with ECG documentation. We evaluated the prevalence of abnormal ECG in participants with suspected HCM defined as any left ventricular wall thickness ≥15 mm. RESULTS The prevalence of LVH and T wave inversion were higher in HCM subjects as expected [HCM occurred in 23.5% (4/17) vs. 5.6% (37/665), P = 0.002, T wave inversion occurred in 17.6% (3/17) vs. 4.1% (27/664), P = 0.007]. However, despite adding these 2 common ECG abnormalities in this population, the presence of detected abnormal ECG remained less than 25% (23.5% of HCM subjects had LVH or T wave inversion on ECG vs. 8.7% of control, P = 0.036). Left bundle branch block or abnormal left atrium on ECG were not found in any participants with suspected HCM. CONCLUSIONS The prevalence of abnormal ECG in the participants with suspected HCM detected during screening echocardiography is less than 25%. This suggests that ECG alone is not a sensitive marker for the detection of HCM.
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Affiliation(s)
- Mohammad Reza Movahed
- From the Department of Medicine, University of Arizona Sarver Heart Center, Tucson
- Department of Medicine, University of Arizona, College of Medicine, Phoenix
| | - Kyvan Irannejad
- Department of Medicine, Jamaica Hospital Medical Center, Queens, NY
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7
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Goldie FC, Lee MMY, Coats CJ, Nordin S. Advances in Multi-Modality Imaging in Hypertrophic Cardiomyopathy. J Clin Med 2024; 13:842. [PMID: 38337535 PMCID: PMC10856479 DOI: 10.3390/jcm13030842] [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: 12/22/2023] [Revised: 01/27/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is characterized by abnormal growth of the myocardium with myofilament disarray and myocardial hyper-contractility, leading to left ventricular hypertrophy and fibrosis. Where culprit genes are identified, they typically relate to cardiomyocyte sarcomere structure and function. Multi-modality imaging plays a crucial role in the diagnosis, monitoring, and risk stratification of HCM, as well as in screening those at risk. Following the recent publication of the first European Society of Cardiology (ESC) cardiomyopathy guidelines, we build on previous reviews and explore the roles of electrocardiography, echocardiography, cardiac magnetic resonance (CMR), cardiac computed tomography (CT), and nuclear imaging. We examine each modality's strengths along with their limitations in turn, and discuss how they can be used in isolation, or in combination, to facilitate a personalized approach to patient care, as well as providing key information and robust safety and efficacy evidence within new areas of research.
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Affiliation(s)
- Fraser C. Goldie
- School of Cardiovascular & Metabolic Health, University of Glasgow, Glasgow G12 8TA, UK; (F.C.G.); (M.M.Y.L.); (C.J.C.)
| | - Matthew M. Y. Lee
- School of Cardiovascular & Metabolic Health, University of Glasgow, Glasgow G12 8TA, UK; (F.C.G.); (M.M.Y.L.); (C.J.C.)
| | - Caroline J. Coats
- School of Cardiovascular & Metabolic Health, University of Glasgow, Glasgow G12 8TA, UK; (F.C.G.); (M.M.Y.L.); (C.J.C.)
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow G51 4TF, UK
| | - Sabrina Nordin
- School of Cardiovascular & Metabolic Health, University of Glasgow, Glasgow G12 8TA, UK; (F.C.G.); (M.M.Y.L.); (C.J.C.)
- Department of Cardiology, Queen Elizabeth University Hospital, Glasgow G51 4TF, UK
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8
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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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9
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Dong T, Gilliland Y, Kramer CM, Theodore A, Desai M. Multimodality imaging of hypertrophic cardiomyopathy. Prog Cardiovasc Dis 2023; 80:14-24. [PMID: 37586654 DOI: 10.1016/j.pcad.2023.08.004] [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] [Received: 08/12/2023] [Accepted: 08/12/2023] [Indexed: 08/18/2023]
Abstract
The diagnosis and management of hypertrophic cardiomyopathy (HCM) requires multimodality imaging. Transthoracic echocardiogram (TTE) remains the first-line imaging modality to diagnose HCM identifying morphology and obstruction, which includes left ventricular outflow obstruction, midcavitary obstruction and systolic anterior motion. Cardiac magnetic resonance imaging (CMR) can adjudicate equivocal cases, rule out alternative diagnoses and evaluate for risk factors of sudden cardiac death. Imaging with TTE or transesophageal echocardiogram can also guide alcohol septal ablation or surgical myectomy respectively. Furthermore, TTE can guide medical management of these patients by following peak gradients. Thus, multimodality imaging in HCM is crucial throughout the course of these patients' care.
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Affiliation(s)
- Tiffany Dong
- Section of Cardiovascular Imaging, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Yvonne Gilliland
- Department of Cardiology, Ochsner Medical Center, New Orleans, LA, USA; The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, LA, USA
| | - Christopher M Kramer
- Cardiovascular Division, Department of Medicine, University of Virginia Health, Charlottesville, VA, USA
| | - Abraham Theodore
- Division of Cardiology, University of California San Francisco, San Francisco, CA, USA
| | - Milind Desai
- Section of Cardiovascular Imaging, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA.
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10
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Mitchell CC, Frye C, Jankowski M, Symanski J, Lester SJ, Woo A, Gilliland Y, Dragulescu A, Abraham T, Desai M, Martinez MW, Nagueh SF, Phelan D. A Practical Approach to Echocardiographic Imaging in Patients With Hypertrophic Cardiomyopathy. J Am Soc Echocardiogr 2023; 36:913-932. [PMID: 37160197 DOI: 10.1016/j.echo.2023.04.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 05/11/2023]
Abstract
Hypertrophic cardiomyopathy (HCM) is frequently unrecognized or misdiagnosed. The recently published consensus recommendations from the American Society of Echocardiography provided recommendations for the utilization of multimodality imaging in the care of patients with HCM. This document provides an additional practical framework for optimal image and measurement acquisition and guidance on how to tailor the echocardiography examination for individuals with HCM. It also provides resources for physicians and sonographers to use to develop HCM imaging protocols.
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Affiliation(s)
- Carol C Mitchell
- School of Medicine and Public Health Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin
| | - Cody Frye
- Sanger Heart and Vascular Institute, Atrium Health, Charlotte, North Carolina
| | - Madeline Jankowski
- Division of Cardiology, Northwestern Memorial Hospital, Chicago, Illinois
| | - John Symanski
- Sanger Heart and Vascular Institute, Atrium Health, Charlotte, North Carolina
| | | | - Anna Woo
- Toronto General Hospital, Toronto, Ontario, Canada
| | | | | | | | | | | | | | - Dermot Phelan
- Sanger Heart and Vascular Institute, Atrium Health, Charlotte, North Carolina.
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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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12
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Castiglione V, Aimo A, Todiere G, Barison A, Fabiani I, Panichella G, Genovesi D, Bonino L, Clemente A, Cademartiri F, Giannoni A, Passino C, Emdin M, Vergaro G. Role of Imaging in Cardiomyopathies. Card Fail Rev 2023; 9:e08. [PMID: 37427006 PMCID: PMC10326670 DOI: 10.15420/cfr.2022.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/07/2022] [Indexed: 07/11/2023] Open
Abstract
Imaging has a central role in the diagnosis, classification, and clinical management of cardiomyopathies. While echocardiography is the first-line technique, given its wide availability and safety, advanced imaging, including cardiovascular magnetic resonance (CMR), nuclear medicine and CT, is increasingly needed to refine the diagnosis or guide therapeutic decision-making. In selected cases, such as in transthyretin-related cardiac amyloidosis or in arrhythmogenic cardiomyopathy, the demonstration of histological features of the disease can be avoided when typical findings are observed at bone-tracer scintigraphy or CMR, respectively. Findings from imaging techniques should always be integrated with data from the clinical, electrocardiographic, biomarker, genetic and functional evaluation to pursue an individualised approach to patients with cardiomyopathy.
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Affiliation(s)
- Vincenzo Castiglione
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Alberto Aimo
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Giancarlo Todiere
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Andrea Barison
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Iacopo Fabiani
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Giorgia Panichella
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Dario Genovesi
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Lucrezia Bonino
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Alberto Clemente
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Filippo Cademartiri
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
| | - Alberto Giannoni
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Claudio Passino
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Michele Emdin
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
| | - Giuseppe Vergaro
- Cardiothoracic Department, Fondazione Toscana Gabriele MonasterioPisa, Italy
- Health Science Interdisciplinary Center, Scuola Superiore Sant’AnnaPisa, Italy
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13
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Machine Learning Approaches in Diagnosis, Prognosis and Treatment Selection of Cardiac Amyloidosis. Int J Mol Sci 2023; 24:ijms24065680. [PMID: 36982754 PMCID: PMC10051237 DOI: 10.3390/ijms24065680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023] Open
Abstract
Cardiac amyloidosis is an uncommon restrictive cardiomyopathy featuring an unregulated amyloid protein deposition that impairs organic function. Early cardiac amyloidosis diagnosis is generally delayed by indistinguishable clinical findings of more frequent hypertrophic diseases. Furthermore, amyloidosis is divided into various groups, according to a generally accepted taxonomy, based on the proteins that make up the amyloid deposits; a careful differentiation between the various forms of amyloidosis is necessary to undertake an adequate therapeutic treatment. Thus, cardiac amyloidosis is thought to be underdiagnosed, which delays necessary therapeutic procedures, diminishing quality of life and impairing clinical prognosis. The diagnostic work-up for cardiac amyloidosis begins with the identification of clinical features, electrocardiographic and imaging findings suggestive or compatible with cardiac amyloidosis, and often requires the histological demonstration of amyloid deposition. One approach to overcome the difficulty of an early diagnosis is the use of automated diagnostic algorithms. Machine learning enables the automatic extraction of salient information from “raw data” without the need for pre-processing methods based on the a priori knowledge of the human operator. This review attempts to assess the various diagnostic approaches and artificial intelligence computational techniques in the detection of cardiac amyloidosis.
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14
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Merlo M, Gagno G, Baritussio A, Bauce B, Biagini E, Canepa M, Cipriani A, Castelletti S, Dellegrottaglie S, Guaricci AI, Imazio M, Limongelli G, Musumeci MB, Parisi V, Pica S, Pontone G, Todiere G, Torlasco C, Basso C, Sinagra G, Filardi PP, Indolfi C, Autore C, Barison A. Clinical application of CMR in cardiomyopathies: evolving concepts and techniques : A position paper of myocardial and pericardial diseases and cardiac magnetic resonance working groups of Italian society of cardiology. Heart Fail Rev 2023; 28:77-95. [PMID: 35536402 PMCID: PMC9902331 DOI: 10.1007/s10741-022-10235-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Cardiac magnetic resonance (CMR) has become an essential tool for the evaluation of patients affected or at risk of developing cardiomyopathies (CMPs). In fact, CMR not only provides precise data on cardiac volumes, wall thickness, mass and systolic function but it also a non-invasive characterization of myocardial tissue, thus helping the early diagnosis and the precise phenotyping of the different CMPs, which is essential for early and individualized treatment of patients. Furthermore, several CMR characteristics, such as the presence of extensive LGE or abnormal mapping values, are emerging as prognostic markers, therefore helping to define patients' risk. Lastly new experimental CMR techniques are under investigation and might contribute to widen our knowledge in the field of CMPs. In this perspective, CMR appears an essential tool to be systematically applied in the diagnostic and prognostic work-up of CMPs in clinical practice. This review provides a deep overview of clinical applicability of standard and emerging CMR techniques in the management of CMPs.
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Affiliation(s)
- Marco Merlo
- Cardiothoracovascular Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, Trieste, Italy.
| | - Giulia Gagno
- grid.5133.40000 0001 1941 4308Cardiothoracovascular Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, Trieste, Italy
| | - Anna Baritussio
- grid.5608.b0000 0004 1757 3470Cardiology, Department of Cardiac Thoracic Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Barbara Bauce
- grid.5608.b0000 0004 1757 3470Cardiology, Department of Cardiac Thoracic Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Elena Biagini
- grid.412311.4Cardiology Unit, St. Orsola Hospital, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, 40138 Bologna, Italy
| | - Marco Canepa
- grid.410345.70000 0004 1756 7871Cardiologia, IRCCS Ospedale Policlinico San Martino, Genova, Italy ,grid.5606.50000 0001 2151 3065Dipartimento di Medicina Interna e Specialità Mediche, Università degli Studi di Genova, Genova, Italy
| | - Alberto Cipriani
- grid.5608.b0000 0004 1757 3470Cardiology, Department of Cardiac Thoracic Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Silvia Castelletti
- grid.418224.90000 0004 1757 9530Department of Cardiology, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Santo Dellegrottaglie
- Division of Cardiology, Ospedale Accreditato Villa dei Fiori, 80011 Acerra, Naples, Italy
| | - Andrea Igoren Guaricci
- grid.7644.10000 0001 0120 3326University Cardiology Unit, Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy
| | - Massimo Imazio
- grid.411492.bCardiothoracic Department, University Hospital “Santa Maria Della Misericordia”, Udine, Italy
| | - Giuseppe Limongelli
- grid.416052.40000 0004 1755 4122Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania “Luigi Vanvitelli”, AORN Dei Colli, Monaldi Hospital, Naples, Italy
| | - Maria Beatrice Musumeci
- grid.7841.aCardiology, Clinical and Molecular Medicine Department, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
| | - Vanda Parisi
- grid.412311.4Cardiology Unit, St. Orsola Hospital, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, 40138 Bologna, Italy
| | - Silvia Pica
- grid.419557.b0000 0004 1766 7370Multimodality Cardiac Imaging Section, IRCCS Policlinico San Donato, Milan, Italy
| | - Gianluca Pontone
- grid.418230.c0000 0004 1760 1750Dipartimento di Cardiologia Perioperatoria e Imaging Cardiovascolare, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Giancarlo Todiere
- grid.452599.60000 0004 1781 8976Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Camilla Torlasco
- grid.418224.90000 0004 1757 9530Department of Cardiology, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Cristina Basso
- grid.5608.b0000 0004 1757 3470Cardiology, Department of Cardiac Thoracic Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Gianfranco Sinagra
- grid.5133.40000 0001 1941 4308Cardiothoracovascular Department, Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste, Trieste, Italy
| | - Pasquale Perrone Filardi
- grid.4691.a0000 0001 0790 385XDipartimento Scienze Biomediche Avanzate, Università degli Studi Federico II, Mediterranea CardioCentro, Naples, Italy
| | - Ciro Indolfi
- grid.477084.80000 0004 1787 3414Dipartimento di Scienze Mediche e Chirurgiche, Cattedra di Cardiologia, Università Magna Graecia, Catanzaro, Mediterranea Cardiocentro, Napoli, Italy
| | - Camillo Autore
- grid.7841.aCardiology, Clinical and Molecular Medicine Department, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
| | - Andrea Barison
- grid.452599.60000 0004 1781 8976Fondazione Toscana Gabriele Monasterio, Pisa, Italy
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15
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Qin L, Zhu S, Liu P, Zhu L, Chen C, Gu S, Yang W, Zhou M, Yan F. Additional prognostic values of strain and strain rate over late gadolinium enhancement in hypertrophic cardiomyopathy patients. Int J Cardiol 2023; 370:427-434. [PMID: 36332750 DOI: 10.1016/j.ijcard.2022.10.174] [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: 06/19/2022] [Revised: 09/30/2022] [Accepted: 10/30/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Late gadolinium enhancement (LGE) has some shortcomings in the risk stratification in hypertrophic cardiomyopathy (HCM). Myocardial strain/strain rate (SR) can be acquired from unenhanced cardiovascular magnetic resonance (CMR) images and detect cardiac dysfunction sensitively. The present study aimed to evaluate the additional prognostic values of myocardial strain/SR beyond LGE for the risk stratification in patients with HCM. METHODS 293 patients with HCM who underwent CMR were enrolled in this prospective study. LGE/left ventricular (LV) mass, LV global strain, and SR were acquired based on CMR. Also, conventional clinical, echocardiography, and CMR parameters and established risk factors for HCM were evaluated. RESULTS 14/293 patients had major adverse cardiovascular events (MACEs) during the median follow-up of 15.0 months, including eight all-cause deaths, four resuscitated cardiac arrests and two cardiac transplantations. Peak systolic (PS)-global longitudinal SR (GLSR) was independently associated with MACEs (hazard ratio: 15.297, P < 0.001) after adjusting for conventional clinical characteristics, echocardiography, and CMR parameters. The model constructed by conventional variables plus PS-GLSR had significantly stronger predictive ability than the model constructed by conventional variables plus LGE/LV mass (C-statistic: 0.850 vs 0.708, P = 0.030). The addition of PS-GLSR to the conventional model also significantly improved the sensitivity (92.9% vs 71.4%) and specificity (71.0% vs 57.3%), and lowered false positives (81 patients vs 119 patients) compared to the addition of LGE/LV mass. CONCLUSION LV PS-GLSR derived from CMR has the potential to be a novel biomarker for risk stratification of HCM and provide additional prognostic value over LGE/LV mass.
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Affiliation(s)
- Le Qin
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Siqi Zhu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peng Liu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lan Zhu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chihua Chen
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shengjia Gu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenjie Yang
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mi Zhou
- Department of Cardiovascular Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Fuhua Yan
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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16
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Wengrofsky P, Akivis Y, Bukharovich I. Cardiac Multimodality Imaging in Hypertrophic Cardiomyopathy: What to Look for and When to Image. Curr Cardiol Rev 2023; 19:1-18. [PMID: 36927425 PMCID: PMC10518881 DOI: 10.2174/1573403x19666230316103117] [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: 12/02/2022] [Revised: 02/10/2023] [Accepted: 02/10/2023] [Indexed: 03/18/2023] Open
Abstract
Hypertrophic cardiomyopathy (HCM), now recognized as a common cardiomyopathy of complex genomics and pathophysiology, is defined by the presence of left ventricular hypertrophy of various morphologies and severity, significant hemodynamic consequences, and diverse phenotypic, both structural and clinical, profiles. Advancements in cardiac multimodality imaging, including echocardiography, cardiac magnetic resonance imaging, and cardiac computed tomography, with and without angiography have greatly improved the diagnosis of HCM, and enable precise measurements of cardiac mass, volume, wall thickness, function, and physiology. Multimodality imaging provides comprehensive and complementary information and hasemerged as the bedrock for the diagnosis, clinical assessment, serial monitoring, and sudden cardiac death risk stratification of patients with HCM. This review highlights the role of cardiac multimodality imaging in the modern diagnosis and management of HCM.
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Affiliation(s)
- Perry Wengrofsky
- Division of Cardiology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
| | - Yonatan Akivis
- Department of Medicine, SUNY Downstate Health Sciences University, Brooklyn, NY 11203, USA
| | - Inna Bukharovich
- Division of Cardiology, Department of Medicine, NYC Health and & Hospitals, Kings County, Brooklyn, NY 11203, USA
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17
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Todiere G, Barison A, Baritussio A, Cipriani A, Guaricci AI, Pica S, Indolfi C, Pontone G, Dellegrottaglie S. Acute clinical presentation of nonischemic cardiomyopathies: early detection by cardiovascular magnetic resonance. J Cardiovasc Med (Hagerstown) 2022; 24:e36-e46. [PMID: 36729634 DOI: 10.2459/jcm.0000000000001412] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Nonischemic cardiomyopathies include a wide range of dilated, hypertrophic and arrhythmogenic heart muscle disorders, not explained by coronary artery disease, hypertension, valvular or congenital heart disease. Advances in medical treatments and the availability of implantable cardioverter defibrillators to prevent sudden cardiac death have allowed a substantial increase in the survival of affected individuals, thus making early diagnosis and tailored treatment mandatory. The characterization of cardiomyopathies has received a great boost from the recent advances in cardiovascular magnetic resonance (CMR) imaging, which, to date, represents the gold standard for noninvasive assessment of cardiac morphology, function and myocardial tissue changes. An acute clinical presentation has been reported in a nonnegligible proportion of patients with nonischemic cardiomyopathies, usually complaining of acute chest pain, worsening dyspnoea or palpitations; 'hot phases' of cardiomyopathies are characterized by a dynamic rise in high-sensitivity troponin, myocardial oedema on CMR, arrhythmic instability, and by an increased long-term risk of adverse remodelling, progression of myocardial fibrosis, heart failure and malignant ventricular arrhythmias. Prompt recognition of 'hot phases' of nonischemic cardiomyopathies is of utmost importance to start an early, individualized treatment in these high-risk patients. On the one hand, CMR represents the gold standard imaging technique to detect early and typical signs of ongoing myocardial remodelling in patients presenting with a 'hot phase' nonischemic cardiomyopathy, including myocardial oedema, perfusion abnormalities and pathological mapping values. On the other hand, CMR allows the differential diagnosis of other acute heart conditions, such as acute coronary syndromes, takotsubo syndrome, myocarditis, pericarditis and sarcoidosis. This review provides a deep overview of standard and novel CMR techniques to detect 'hot phases' of cardiomyopathies, as well as their clinical and prognostic utility.
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Affiliation(s)
| | | | - Anna Baritussio
- Department of Cardiac Thoracic and Vascular Sciences and Public Health, University of Padua, Padua
| | - Alberto Cipriani
- Department of Cardiac Thoracic and Vascular Sciences and Public Health, University of Padua, Padua
| | - Andrea Igoren Guaricci
- University Cardiology Unit, Cardiothoracic Department, Policlinic University Hospital, Bari
| | - Silvia Pica
- Multimodality Cardiac Imaging Section, IRCCS Policlinico San Donato, Milan
| | - Ciro Indolfi
- Division of Cardiology, Magna Graecia University, Catanzaro
| | | | - Santo Dellegrottaglie
- Advanced Cardiovascular Imaging Unit, Clinica Villa dei Fiori, Acerra, Naples, Italy
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18
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Goto S, Solanki D, John JE, Yagi R, Homilius M, Ichihara G, Katsumata Y, Gaggin HK, Itabashi Y, MacRae CA, Deo RC. Multinational Federated Learning Approach to Train ECG and Echocardiogram Models for Hypertrophic Cardiomyopathy Detection. Circulation 2022; 146:755-769. [PMID: 35916132 PMCID: PMC9439630 DOI: 10.1161/circulationaha.121.058696] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND Novel targeted treatments increase the need for prompt hypertrophic cardiomyopathy (HCM) detection. However, its low prevalence (0.5%) and resemblance to common diseases present challenges that may benefit from automated machine learning-based approaches. We aimed to develop machine learning models to detect HCM and to differentiate it from other cardiac conditions using ECGs and echocardiograms, with robust generalizability across multiple cohorts. METHODS Single-institution HCM ECG models were trained and validated on external data. Multi-institution models for ECG and echocardiogram were trained on data from 3 academic medical centers in the United States and Japan using a federated learning approach, which enables training on distributed data without data sharing. Models were validated on held-out test sets for each institution and from a fourth academic medical center and were further evaluated for discrimination of HCM from aortic stenosis, hypertension, and cardiac amyloidosis. Last, automated detection was compared with manual interpretation by 3 cardiologists on a data set with a realistic HCM prevalence. RESULTS We identified 74 376 ECGs for 56 129 patients and 8392 echocardiograms for 6825 patients at the 4 academic medical centers. Although ECG models trained on data from each institution displayed excellent discrimination of HCM on internal test data (C statistics, 0.88-0.93), the generalizability was limited, most notably for a model trained in Japan and tested in the United States (C statistic, 0.79-0.82). When trained in a federated manner, discrimination of HCM was excellent across all institutions (C statistics, 0.90-0.96 and 0.90-0.96 for ECG and echocardiogram model, respectively), including for phenotypic subgroups. The models further discriminated HCM from hypertension, aortic stenosis, and cardiac amyloidosis (C statistics, 0.84, 0.83, and 0.88, respectively, for ECG and 0.93, 0.94, 0.85, respectively, for echocardiogram). Analysis of electrocardiography-echocardiography paired data from 11 823 patients from an external institution indicated a higher sensitivity of automated HCM detection at a given positive predictive value compared with cardiologists (0.98 versus 0.81 at a positive predictive value of 0.01 for ECG and 0.78 versus 0.59 at a positive predictive value of 0.24 for echocardiogram). CONCLUSIONS Federated learning improved the generalizability of models that use ECGs and echocardiograms to detect and differentiate HCM from other causes of hypertrophy compared with training within a single institution.
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Affiliation(s)
- Shinichi Goto
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.).,Department of Cardiology, Keio University School of Medicine, Shinjuku, Tokyo, Japan (S.G., G.I., Y.K., Y.I.)
| | - Divyarajsinhji Solanki
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.)
| | - Jenine E. John
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.)
| | - Ryuichiro Yagi
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.)
| | - Max Homilius
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.)
| | - Genki Ichihara
- Department of Cardiology, Keio University School of Medicine, Shinjuku, Tokyo, Japan (S.G., G.I., Y.K., Y.I.)
| | - Yoshinori Katsumata
- Department of Cardiology, Keio University School of Medicine, Shinjuku, Tokyo, Japan (S.G., G.I., Y.K., Y.I.)
| | - Hanna K. Gaggin
- Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.).,Division of Cardiology, Massachusetts General Hospital, Boston (H.K.G.)
| | - Yuji Itabashi
- Department of Cardiology, Keio University School of Medicine, Shinjuku, Tokyo, Japan (S.G., G.I., Y.K., Y.I.)
| | - Calum A. MacRae
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.)
| | - Rahul C. Deo
- One Brave Idea and Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (S.G., D.S., J.E.J., R.Y., M.H., C.A.M., R.C.D.).,Harvard Medical School, Boston, MA (S.G., J.E.J., R.Y., M.H., H.K.G., C.A.M., R.C.D.).,Center for Digital Health Innovation and Department of Medicine, University of California San Francisco (R.C.D.)
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19
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Rowin EJ, Maron MS. Cardiovascular magnetic resonance for screening in hypertrophic cardiomyopathy: the new family plan. Eur Heart J Cardiovasc Imaging 2022; 23:1155-1156. [PMID: 35796102 DOI: 10.1093/ehjci/jeac126] [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: 11/13/2022] Open
Affiliation(s)
- Ethan J Rowin
- Hypertrophic Cardiomyopathy Center, Division of Cardiology, Lahey Medical Center and Hospital, 67 South Bedford Street, Suite 302W, Burlington, MA 01805, USA
| | - Martin S Maron
- Hypertrophic Cardiomyopathy Center, Division of Cardiology, Lahey Medical Center and Hospital, 67 South Bedford Street, Suite 302W, Burlington, MA 01805, USA
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20
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Nagueh SF, Phelan D, Abraham T, Armour A, Desai MY, Dragulescu A, Gilliland Y, Lester SJ, Maldonado Y, Mohiddin S, Nieman K, Sperry BW, Woo A. Recommendations for Multimodality Cardiovascular Imaging of Patients with Hypertrophic Cardiomyopathy: An Update from the American Society of Echocardiography, in Collaboration with the American Society of Nuclear Cardiology, the Society for Cardiovascular Magnetic Resonance, and the Society of Cardiovascular Computed Tomography. J Am Soc Echocardiogr 2022; 35:533-569. [PMID: 35659037 DOI: 10.1016/j.echo.2022.03.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Hypertrophic cardiomyopathy (HCM) is defined by the presence of left ventricular hypertrophy in the absence of other potentially causative cardiac, systemic, syndromic, or metabolic diseases. Symptoms can be related to a range of pathophysiologic mechanisms including left ventricular outflow tract obstruction with or without significant mitral regurgitation, diastolic dysfunction with heart failure with preserved and heart failure with reduced ejection fraction, autonomic dysfunction, ischemia, and arrhythmias. Appropriate understanding and utilization of multimodality imaging is fundamental to accurate diagnosis as well as longitudinal care of patients with HCM. Resting and stress imaging provide comprehensive and complementary information to help clarify mechanism(s) responsible for symptoms such that appropriate and timely treatment strategies may be implemented. Advanced imaging is relied upon to guide certain treatment options including septal reduction therapy and mitral valve repair. Using both clinical and imaging parameters, enhanced algorithms for sudden cardiac death risk stratification facilitate selection of HCM patients most likely to benefit from implantable cardioverter-defibrillators.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Saidi Mohiddin
- Inherited/Acquired Myocardial Diseases, Barts Health NHS Trust, St Bartholomew's Hospital, London, UK
| | - Koen Nieman
- Cardiovascular Medicine and Radiology (CV Imaging), Stanford University Medical Center, CA
| | - Brett W Sperry
- Saint Luke's Mid America Heart Institute, Kansas City, MO
| | - Anna Woo
- Toronto General Hospital, Toronto, Canada
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21
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Clinical Characteristics and Prognostic Importance of Left Ventricular Apical Aneurysms in Hypertrophic Cardiomyopathy. JACC: CARDIOVASCULAR IMAGING 2022; 15:1696-1711. [DOI: 10.1016/j.jcmg.2022.03.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/04/2022] [Accepted: 03/31/2022] [Indexed: 11/20/2022]
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22
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Comparison of Nonclassic and Classic Phenotype of Hypertrophic Cardiomyopathy Focused on Prognostic Cardiac Magnetic Resonance Parameters: A Single-Center Observational Study. Diagnostics (Basel) 2022; 12:diagnostics12051104. [PMID: 35626260 PMCID: PMC9139797 DOI: 10.3390/diagnostics12051104] [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: 03/31/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open
Abstract
Patients with nonclassic phenotypes (NCP)—more advanced stages of hypertrophic cardiomyopathy (HCM)—constitute an intriguing and heterogeneous group that is difficult to diagnose, risk-stratify, and treat, and often neglected in research projects. We aimed to compare cardiac magnetic resonance (CMR) parameters in NCP versus classic phenotypes (CP) of HCM with special emphasis given to the parameters of established and potential prognostic importance, including numerous variables not used in everyday clinical practice. The CMR studies of 88 patients performed from 2011 to 2019 were postprocessed according to the study protocol to obtain standard and non-standard parameters. In NCP, the late gadolinium enhancement extent expressed as percent of left ventricular mass (%LGE) and left ventricular mass index (LVMI) were higher, left atrium emptying fraction (LAEF) was lower, minimal left atrial volume (LAV min) was greater, and myocardial contraction fraction (MCF) and left ventricular global function index (LVGFI) were lower than in CP (p < 0.001 for all). In contrast, HCM risk score and left ventricular maximal thickness (LVMT) were similar in NCP and CP patients. No left ventricular outflow tract obstruction (LVOTO) was observed in the NCP group. Left ventricular outflow tract diameter (LVOT), aortic valve diameter (Ao), and LVOT/Ao ratio were significantly higher and anterior mitral leaflet (AML)/LVOT ratio was lower in the NCP compared to the CP group. In conclusion, significant differences in nonstandard CMR parameters were noted between the nonclassic and classic HCM phenotypes that may contribute to future studies on disease stages and risk stratification in HCM.
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23
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Vriz O, AlSergani H, Elshaer AN, Shaik A, Mushtaq AH, Lioncino M, Alamro B, Monda E, Caiazza M, Mauro C, Bossone E, Al-Hassnan ZN, Albert-Brotons D, Limongelli G. A complex unit for a complex disease: the HCM-Family Unit. Monaldi Arch Chest Dis 2021; 92. [PMID: 34964577 DOI: 10.4081/monaldi.2021.2147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 11/30/2021] [Indexed: 11/23/2022] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is a group of heterogeneous disorders that are most commonly passed on in a heritable manner. It is a relatively rare disease around the globe, but due to increased rates of consanguinity within the Kingdom of Saudi Arabia, we speculate a high incidence of undiagnosed cases. The aim of this paper is to elucidate a systematic approach in dealing with HCM patients and since HCM has variable presentation, we have summarized differentials for diagnosis and how different subtypes and genes can have an impact on the clinical picture, management and prognosis. Moreover, we propose a referral multi-disciplinary team HCM-Family Unit in Saudi Arabia and an integrated role in a network between King Faisal Hospital and Inherited and Rare Cardiovascular Disease Unit-Monaldi Hospital, Italy (among the 24 excellence centers of the European Reference Network (ERN) GUARD-Heart). Graphical Abstract.
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Affiliation(s)
- Olga Vriz
- Department of Cardiology, King Faisal Specialist Hospital and Research Center, Riyadh.
| | - Hani AlSergani
- Department of Cardiology, King Faisal Specialist Hospital and Research Center, Riyadh.
| | | | | | | | - Michele Lioncino
- Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples.
| | - Bandar Alamro
- Department of Cardiology, King Faisal Specialist Hospital and Research Center, Riyadh.
| | - Emanuele Monda
- Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples.
| | - Martina Caiazza
- Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples.
| | - Ciro Mauro
- Department of Cardiology, Cardarelli Hospital, Naples.
| | | | - Zuhair N Al-Hassnan
- Cardiovascular Genetics Program and Department of Medical Genetics, King Faisal Specialist Hospital and Research Centre, Riyadh.
| | - Dimpna Albert-Brotons
- Department of Cardiology, King Faisal Specialist Hospital and Research Center, Riyadh.
| | - Giuseppe Limongelli
- Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", AORN dei Colli, Monaldi Hospital, Naples.
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Stachera M, Przybyło P, Sznajder K, Gierlotka M. Cardiac magnetic resonance in the assessment of hypertrophic cardiomyopathy phenotypes and stages - pictorial review. Pol J Radiol 2021; 86:e672-e684. [PMID: 35059060 PMCID: PMC8757040 DOI: 10.5114/pjr.2021.112310] [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: 03/16/2021] [Accepted: 04/22/2021] [Indexed: 01/10/2023] Open
Abstract
The aim of this paper is to present recent advances in hypertrophic cardiomyopathy (HCM) diagnosis and treatment based on a literature review. Special emphasis has been placed on the role of cardiac magnetic resonance imaging (CMR) for the assessment of morphological and functional consequences of different stages of HCM including prognostication. The text is illustrated with the images and data of the HCM patients diagnosed with CMR study in our hospital. CMR is an important tool, particularly relevant in novel risk factors and LV dysfunction groups. The HCM group with overt left ventricular dysfunction is underrecognized, often labelled by clinicians as dilated cardiomyopathy. Advanced diagnostic and management strategies effectively influence the natural history of HCM.
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Affiliation(s)
- Magdalena Stachera
- Clinical Department of Diagnostic Imaging, University Hospital, Institute of Medical Sciences, University of Opole, Poland
| | - Paweł Przybyło
- Department of Cardiology, University Hospital in Opole, Poland
| | - Katarzyna Sznajder
- Clinical Department of Diagnostic Imaging, University Hospital, Institute of Medical Sciences, University of Opole, Poland
| | - Marek Gierlotka
- Department of Cardiology, University Hospital, Institute of Medical Sciences, University of Opole, Poland
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25
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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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26
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Sharif ZI, Lubitz SA. Ventricular arrhythmia management in patients with genetic cardiomyopathies. Heart Rhythm O2 2021; 2:819-831. [PMID: 34988533 PMCID: PMC8710624 DOI: 10.1016/j.hroo.2021.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Genetic cardiomyopathies are associated with increased risk for cardiac arrhythmias and sudden cardiac death. The management of ventricular arrhythmias (VAs) in patients with these conditions can be nuanced due to particular disease-based considerations, yet data specifically addressing management in these patients are limited. Here we describe the current evidence-based approach to the management of ventricular rhythm disorders in patients with genetic forms of cardiomyopathy, namely, hypertrophic cardiomyopathy, arrhythmogenic cardiomyopathy, left ventricular noncompaction, and Brugada syndrome, including recommendations from consensus guideline statements when available.
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Affiliation(s)
- Zain I. Sharif
- Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston, Massachusetts
| | - Steven A. Lubitz
- Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston, Massachusetts
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
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27
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Forero S, Moreno NL. [Hypertrophic septal cardiomyopathy, the great simulator]. ARCHIVOS PERUANOS DE CARDIOLOGIA Y CIRUGIA CARDIOVASCULAR 2021; 2:274-278. [PMID: 37727664 PMCID: PMC10506570 DOI: 10.47487/apcyccv.v2i4.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/22/2021] [Indexed: 09/21/2023]
Abstract
Hypertrophic cardiomyopathy is the more commonly (60 to 70 percent) genetically determined disease of the heart muscle caused by mutations in one of several sarcomere genes that encode components of the heart's contractile apparatus. It is characterized by disproportionate hypertrophy in the absence of a secondary cause. The clinical presentation is variable, ranging from asymptomatic to heart failure or sudden cardiac death. Hypertrophy and abnormal ventricular configuration can result in dynamic left ventricular outflow obstruction in most cases. The goal of therapeutic interventions is largely to reduce dynamic obstruction, with different therapeutic options encompassing risk stratification for sudden death, genetic screening, lifestyle modifications, and drugs. A case of hypertrophic septal cardiomyopathy, a fairly frequent and under-diagnosed entity, is discussed below.
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Affiliation(s)
- Santiago Forero
- Fundación Universitaria Sanitas. Bogotá, Colombia.Fundación Universitaria SanitasBogotáColombia
- Clínica Universitaria Colombia. Bogotá, Colombia.Clínica Universitaria ColombiaBogotáColombia
- Grupo de Enfermedades Infecciosas y Crónicas (GEINCRO), Fundación Universitaria San Martín. Bogotá, Colombia.Grupo de Enfermedades Infecciosas y Crónicas (GEINCRO)Fundación Universitaria San MartínBogotáColombia
| | - Nelson Leandro Moreno
- Clínica Universitaria Colombia. Bogotá, Colombia.Clínica Universitaria ColombiaBogotáColombia
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28
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Left Ventricular Apical Aneurysms in Hypertrophic Cardiomyopathy: Equivalent Detection by Magnetic Resonance Imaging and Contrast Echocardiography. J Am Soc Echocardiogr 2021; 34:1262-1272. [PMID: 34375676 DOI: 10.1016/j.echo.2021.07.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 07/13/2021] [Accepted: 07/30/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Left ventricular (LV) apical aneurysm is a unique morphological entity and novel adverse risk marker existing within the broad phenotypic spectrum of hypertrophic cardiomyopathy (HCM). Its true prevalence in the HCM population is likely underestimated because of inherent limitations of conventional noncontrast echocardiography. The authors hypothesized that contrast echocardiography is a reliable imaging technique compared with cardiovascular magnetic resonance (CMR) for the detection of apical aneurysms. The aim of this study was to assess the effectiveness of contrast echocardiography in the detection of LV apical aneurysms in patients with HCM in comparison with the gold standard, CMR. METHODS One hundred twelve patients with HCM identified from an institutional clinical database, who underwent echocardiographic and CMR examinations within 12 months and had LV apical aneurysms identified on either or both imaging modalities, were retrospectively analyzed. Discordant cases were reviewed by an expert panel, and a consensus was reached regarding the presence or absence of an apical aneurysm. The reason for any discrepancy was recorded. RESULTS The mean age of the patients was 59 ± 13 years, and 73% were men. Sixty-four (57%) underwent contrast echocardiography. The median interval between echocardiography and CMR was 118 days (interquartile range, 61-237 days). Thirty-nine patients (35%) had discordance between echocardiographic and CMR findings, of whom 20 had aneurysms reported on echocardiography but not CMR and 19 vice versa. Upon reanalysis by the expert panel, aneurysms were initially missed on CMR in 16 patients (80%), largely because of interpretation error secondary to small aneurysms, with a mean aneurysm size of 0.82 ± 0.38 cm in these cases. Before secondary review by the expert panel, contrast echocardiography had sensitivity of 97% compared with 85% for CMR (P = .0198) and 64% for noncontrast echocardiography (P = .0001). After secondary review, contrast echocardiography had sensitivity of 98% compared with 67% for noncontrast echocardiography (P = .0001) and 97% for CMR (P = 1.00). CONCLUSIONS Contrast echocardiography has high sensitivity for detecting LV apical aneurysms and should be used routinely in the evaluation and risk stratification of patients with HCM.
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29
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Addis DR, Townsley MM. Perioperative Implications of the 2020 American Heart Association/American College of Cardiology Guidelines for the Diagnosis and Treatment of Patients with Hypertrophic Cardiomyopathy: A Focused Review. J Cardiothorac Vasc Anesth 2021; 36:2143-2153. [PMID: 34373182 DOI: 10.1053/j.jvca.2021.07.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/28/2021] [Accepted: 07/11/2021] [Indexed: 11/11/2022]
Abstract
Hypertrophic cardiomyopathy is a complex disease with significant implications for patients and the physicians called upon to care for them during the perioperative period. In this article, the 2020 American Heart Association and American College of Cardiology clinical practice guidelines for the evaluation and management of pediatric and adult patients with hypertrophic cardiomyopathy are reviewed, with a particular focus on perioperative considerations for the anesthesiologist.
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Affiliation(s)
- Dylan R Addis
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham School of Medicine, Birmingham, AL; Division of Molecular and Translational Biomedicine, Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham School of Medicine, Birmingham, AL; UAB Comprehensive Cardiovascular Center, Birmingham, AL
| | - Matthew M Townsley
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham School of Medicine, Birmingham, AL; Division of Congenital Cardiac Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham School of Medicine, Birmingham, AL; Bruno Pediatric Heart Center, Children's of Alabama, Birmingham, AL.
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30
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CMR-Based Risk Stratification of Sudden Cardiac Death and Use of Implantable Cardioverter-Defibrillator in Non-Ischemic Cardiomyopathy. Int J Mol Sci 2021; 22:ijms22137115. [PMID: 34281168 PMCID: PMC8268120 DOI: 10.3390/ijms22137115] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/27/2021] [Accepted: 06/29/2021] [Indexed: 01/04/2023] Open
Abstract
Non-ischemic cardiomyopathy (NICM) is one of the most important entities for arrhythmias and sudden cardiac death (SCD). Previous studies suggest a lower benefit of implantable cardioverter–defibrillator (ICD) therapy in patients with NICM as compared to ischemic cardiomyopathy (ICM). Nevertheless, current guidelines do not differentiate between the two subgroups in recommending ICD implantation. Hence, risk stratification is required to determine the subgroup of patients with NICM who will likely benefit from ICD therapy. Various predictors have been proposed, among others genetic mutations, left-ventricular ejection fraction (LVEF), left-ventricular end-diastolic volume (LVEDD), and T-wave alternans (TWA). In addition to these parameters, cardiovascular magnetic resonance imaging (CMR) has the potential to further improve risk stratification. CMR allows the comprehensive analysis of cardiac function and myocardial tissue composition. A range of CMR parameters have been associated with SCD. Applicable examples include late gadolinium enhancement (LGE), T1 relaxation times, and myocardial strain. This review evaluates the epidemiological aspects of SCD in NICM, the role of CMR for risk stratification, and resulting indications for ICD implantation.
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31
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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: 29] [Impact Index Per Article: 9.7] [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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32
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Qin L, Min J, Chen C, Zhu L, Gu S, Zhou M, Yang W, Yan F. Incremental Values of T1 Mapping in the Prediction of Sudden Cardiac Death Risk in Hypertrophic Cardiomyopathy: A Comparison With Two Guidelines. Front Cardiovasc Med 2021; 8:661673. [PMID: 34169099 PMCID: PMC8217449 DOI: 10.3389/fcvm.2021.661673] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/28/2021] [Indexed: 12/02/2022] Open
Abstract
Background: MRI native T1 mapping and extracellular volume fraction (ECV) are quantitative values that could reflect various myocardial tissue characterization. The role of these parameters in predicting the risk of sudden cardiac death (SCD) in hypertrophic cardiomyopathy (HCM) is still poorly understood. Aim: This study aims to investigate the ability of native T1 mapping and ECV values to predict major adverse cardiovascular events (MACE) in HCM, and its incremental values over the 2014 European Society of Cardiology (ESC) and enhanced American College of Cardiology/American Heart Association (ACC/AHA) guidelines. Methods: Between July 2016 and October 2020, HCM patients and healthy individuals with sex and age matched who underwent cardiac MRI were prospectively enrolled. The native T1 and ECV parameters were measured. The SCD risk was evaluated by the 2014 ESC guidelines and enhanced ACC/AHA guidelines. MACE included cardiac death, transplantation, heart failure admission, and implantable cardioverter-defibrillator implantation. Results: A total of 203 HCM patients (54.2 ± 14.9 years) and 101 healthy individuals (53.2 ± 14.7 years) were evaluated. During a median follow-up of 15 months, 25 patients (12.3%) had MACE. In multivariate Cox regression analysis, global native T1 mapping (hazard ratio (HR): 1.446; 95% confidence interval (CI): 1.195–1.749; P < 0.001) and non-sustained ventricular tachycardia (NSVT) (HR: 4.949; 95% CI, 2.033–12.047; P < 0.001) were independently associated with MACE. Ten of 86 patients (11.6%) with low SCD risk assessed by the two guidelines had MACE. In this subgroup of patients, multivariate Cox regression analysis showed that global native T1 mapping was independently associated with MACE (HR: 1.532; 95% CI: 1.221–1.922; P < 0.001). In 85 patients with conflicting results assessed by the two guidelines, end-stage systolic dysfunction was independently associated with MACE (HR: 7.942, 95% CI: 1.322–47.707, P = 0.023). In 32 patients with high SCD risk assessed by the two guidelines, NSVT was independently associated with MACE (HR: 9.779, 95% CI: 1.953–48.964, P = 0.006). Conclusion: The global native T1 mapping could provide incremental values and serve as potential supplements to the current guidelines in the prediction of MACE.
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Affiliation(s)
- Le Qin
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiehua Min
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chihua Chen
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lan Zhu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shengjia Gu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mi Zhou
- Department of Cardiac Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenjie Yang
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fuhua Yan
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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33
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Ranganath PG, Tower-Rader A. Utility of Cardiac Magnetic Resonance Imaging in the Diagnosis, Prognosis, and Treatment of Infiltrative Cardiomyopathies. Curr Cardiol Rep 2021; 23:87. [PMID: 34081227 DOI: 10.1007/s11886-021-01518-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/15/2021] [Indexed: 01/03/2023]
Abstract
PURPOSE OF REVIEW Diagnosis of infiltrative cardiomyopathies can be challenging despite differences in clinical manifestations due to overlapping cardiac manifestations. We review the salient findings by cardiac magnetic resonance imaging that aids in diagnosis, as well the potential implications for prognosis and treatment. RECENT FINDINGS Cardiac magnetic resonance imaging has added substantially to our understanding of various infiltrative cardiomyopathies, and the addition of late gadolinium enhancement imaging and parametric mapping has yielded additional insights regarding potential diagnoses, prognosis, and therapy. Cardiac magnetic resonance imaging should be employed in the setting of suspected hypertrophic or infiltrative cardiomyopathies to aid in diagnosis. In the setting of cardiac amyloidosis and Fabry disease, there is data to suggest that cardiac magnetic resonance imaging is useful for risk stratification as well as for monitoring response to therapy.
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Affiliation(s)
| | - Albree Tower-Rader
- Division of Cardiology, Department of Medicine, Harvard Medical School, Massachusetts General Hospital, 55 Fruit St, Yawkey 5B, Boston, MA, 02114, USA.
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34
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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. 2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy: Executive Summary: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. J Am Coll Cardiol 2020; 76:3022-3055. [PMID: 33229115 DOI: 10.1016/j.jacc.2020.08.044] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AIM This executive summary of the hypertrophic cardiomyopathy clinical practice guideline provides recommendations and algorithms for clinicians to diagnose and manage hypertrophic cardiomyopathy in adult and pediatric patients as well as supporting documentation to encourage their use. METHODS A comprehensive literature search was conducted from January 1, 2010, to April 30, 2020, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Collaboration, Agency for Healthcare Research and Quality reports, and other relevant databases. STRUCTURE Many recommendations from the earlier hypertrophic cardiomyopathy guidelines have been updated with new evidence or a better understanding of earlier evidence. This summary operationalizes the recommendations from the full guideline and presents a combination of diagnostic work-up, genetic and family screening, risk stratification approaches, lifestyle modifications, surgical and catheter interventions, and medications that constitute components of guideline directed medical therapy. For both guideline-directed medical therapy and other recommended drug treatment regimens, the reader is advised to follow dosing, contraindications and drug-drug interactions based on product insert materials.
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35
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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. 2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy: Executive Summary: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation 2020; 142:e533-e557. [PMID: 33215938 DOI: 10.1161/cir.0000000000000938] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Aim This executive summary of the hypertrophic cardiomyopathy clinical practice guideline provides recommendations and algorithms for clinicians to diagnose and manage hypertrophic cardiomyopathy in adult and pediatric patients as well as supporting documentation to encourage their use. Methods A comprehensive literature search was conducted from January 1, 2010, to April 30, 2020, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Collaboration, Agency for Healthcare Research and Quality reports, and other relevant databases. Structure Many recommendations from the earlier hypertrophic cardiomyopathy guidelines have been updated with new evidence or a better understanding of earlier evidence. This summary operationalizes the recommendations from the full guideline and presents a combination of diagnostic work-up, genetic and family screening, risk stratification approaches, lifestyle modifications, surgical and catheter interventions, and medications that constitute components of guideline directed medical therapy. For both guideline-directed medical therapy and other recommended drug treatment regimens, the reader is advised to follow dosing, contraindications and drug-drug interactions based on product insert materials.
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Affiliation(s)
| | | | | | | | - Anita Deswal
- ACC/AHA Joint Committee on Clinical Practice Guidelines Liaison
- HFSA Representative
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36
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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. 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 Am Coll Cardiol 2020; 76:e159-e240. [PMID: 33229116 DOI: 10.1016/j.jacc.2020.08.045] [Citation(s) in RCA: 358] [Impact Index Per Article: 89.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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37
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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. 2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy. Circulation 2020; 142:e558-e631. [DOI: 10.1161/cir.0000000000000937] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | | | | | | | | | - Anita Deswal
- ACC/AHA Joint Committee on Clinical Practice Guidelines Liaison
- HFSA Representative
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38
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Hammersley DJ, Jones RE, Mach L, Halliday BP, Prasad SK. Cardiovascular Magnetic Resonance in Heritable Cardiomyopathies. Heart Fail Clin 2020; 17:25-39. [PMID: 33220885 DOI: 10.1016/j.hfc.2020.08.004] [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: 10/23/2022]
Abstract
Cardiovascular magnetic resonance represents the imaging modality of choice for the investigation of patients with heritable cardiomyopathies. The combination of gold-standard volumetric analysis with tissue characterization can deliver precise phenotypic evaluation of both cardiac morphology and the underlying myocardial substrate. Cardiovascular magnetic resonance additionally has an established role in risk-stratifying patients with heritable cardiomyopathy and an emerging role in guiding therapies. This article explores the application and utility of cardiovascular magnetic resonance techniques with specific focus on the major heritable cardiomyopathies.
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Affiliation(s)
- Daniel J Hammersley
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK; CMR Unit, The Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK
| | - Richard E Jones
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK; CMR Unit, The Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK
| | - Lukas Mach
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK; CMR Unit, The Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK
| | - Brian P Halliday
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK; CMR Unit, The Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK
| | - Sanjay K Prasad
- National Heart & Lung Institute, Imperial College, London SW3 6LY, UK; CMR Unit, The Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK.
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39
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Ünlü S, Özden Tok Ö, Avcı Demir F, Papadopoulos K, Monaghan MJ. Differential diagnosis of apical hypertrophic cardiomyopathy and apical displacement of the papillary muscles: a multimodality imaging point of view. Echocardiography 2020; 38:103-113. [PMID: 33067903 DOI: 10.1111/echo.14895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 12/23/2022] Open
Abstract
Apical hypertrophic cardiomyopathy (ApHCM) and apical displacement of papillary muscles (ADPM) are two different pathologies with a number of similar imaging findings that may hamper adequate diagnosis. While ApHCM is associated with increased rate of mortality, ADPM commonly presents with a benign course and differential diagnosis is of great importance. Clinical assessment and 2D echocardiography cannot sufficiently differentiate these conditions, however, and advanced echocardiographic methods may facilitate diagnosis. Although echocardiography is the first-line imaging method in the diagnostic algorithm, cardiac magnetic resonance imaging (CMRI) is the gold standard for evaluating patients due to good spatial resolution and myocardial tissue characterization abilities. When CMRI is contraindicated, cardiac computed tomography may be an alternative reliable method that can also give information about the coronary anatomy. Nuclear imaging may also provide supplementary data regarding hypertrophy and coronary arteries when there is a suspicion of ischemia.
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Affiliation(s)
- Serkan Ünlü
- Department of Cardiology, Gazi University School of Medicine, Ankara, Turkey
| | - Özge Özden Tok
- Cardiology Department, Memorial Bahçelievler Hospital, İstanbul, Turkey
| | - Fulya Avcı Demir
- Cardiology Department, Private Antalya Anatolia Hospital, Antalya, Turkey
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40
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Pradella S, Grazzini G, De Amicis C, Letteriello M, Acquafresca M, Miele V. Cardiac magnetic resonance in hypertrophic and dilated cardiomyopathies. Radiol Med 2020; 125:1056-1071. [PMID: 32946001 DOI: 10.1007/s11547-020-01276-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/03/2020] [Indexed: 02/06/2023]
Abstract
Cardiomyopathies are a heterogeneous entity. The progress in the field of genetics has allowed over the years to determine its origin more and more often. The classification of these pathologies has changed over the years; it has been updated with new knowledge. Imaging allows to define the phenotypic characteristics of the different forms of cardiomyopathy. Cardiac magnetic resonance (CMR) allows a morphological evaluation of the associated (and sometimes pathognomonic) cardiac findings of any form of cardiomyopathy. The tissue characterization sequences also make magnetic resonance imaging unique in its ability to detect changes in myocardial tissue. This review aims to define the features that can be highlighted by CMR in hypertrophic and dilated forms and the possible differential diagnoses. In hypertrophic forms, CMR provides: precise evaluation of wall thickness in all segments, ventricular function and size and evaluation of possible presence of areas of fibrosis as well as changes in myocardial tissue (measurement of T1 mapping and extracellular volume values). In dilated forms, cardiac resonance is the gold standard in the assessment of ventricular volumes. CMR highlights also the potential alterations of the myocardial tissue.
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Affiliation(s)
- Silvia Pradella
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy.
| | - Giulia Grazzini
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy
| | - Cristian De Amicis
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy
| | - Mayla Letteriello
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy
| | - Manlio Acquafresca
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy
| | - Vittorio Miele
- Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy
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Rowin EJ, Maron BJ, Maron MS. The Hypertrophic Cardiomyopathy Phenotype Viewed Through the Prism of Multimodality Imaging. JACC Cardiovasc Imaging 2020; 13:2002-2016. [DOI: 10.1016/j.jcmg.2019.09.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/16/2019] [Accepted: 09/16/2019] [Indexed: 12/16/2022]
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Tower-Rader A, Kramer CM, Neubauer S, Nagueh SF, Desai MY. Multimodality Imaging in Hypertrophic Cardiomyopathy for Risk Stratification. Circ Cardiovasc Imaging 2020; 13:e009026. [PMID: 32063056 DOI: 10.1161/circimaging.119.009026] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In hypertrophic cardiomyopathy, multimodality imaging is crucial to confirm diagnosis, assess for presence and mechanism of left ventricular outflow tract obstruction, and risk stratification for sudden cardiac death. This review will focus on the application of imaging to assess established and emerging factors to be considered in sudden cardiac death risk stratification.
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Affiliation(s)
- Albree Tower-Rader
- Hypertrophic Cardiomyopathy Center, Heart and Vascular Institute, Cleveland Clinic, OH (A.T.-R., M.Y.D.)
| | | | - Stefan Neubauer
- Department of Cardiology, University of Oxford, United Kingdom (S.N.)
| | - Sherif F Nagueh
- Department of Cardiology, Houston Methodist Hospital, TX (S.F.N.)
| | - Milind Y Desai
- Hypertrophic Cardiomyopathy Center, Heart and Vascular Institute, Cleveland Clinic, OH (A.T.-R., M.Y.D.)
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Ramchand J, Fava AM, Chetrit M, Desai MY. Advanced imaging for risk stratification of sudden death in hypertrophic cardiomyopathy. Heart 2020; 106:793-801. [DOI: 10.1136/heartjnl-2019-315176] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/18/2019] [Accepted: 12/31/2019] [Indexed: 01/29/2023] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is a common inherited cardiac condition, which typically manifests as left ventricular hypertrophy. A small subset of patients with HCM have an increased risk of sudden cardiac death (SCD) from ventricular arrhythmias. Risk of SCD can be effectively reduced following implantation of implantable cardiac defibrillators (ICD), although this treatment carries a risk of complications such as inappropriate shocks. With this in mind, we turn to advances in cardiac imaging to guide risk stratification for SCD and to select the appropriate individual who may benefit from ICD implantation. In this review, we have taken the opportunity to briefly summarise the role of imaging in the diagnosis of HCM before focusing on how specific imaging features influence risk of SCD in patients with HCM.
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Fonseca AC, Marto JP, Pimenta D, Guimarães T, Alves PN, Inácio N, Viana-Baptista M, Pinho E Melo T, Pinto FJ, Ferro JM, Almeida AG. Undetermined stroke genesis and hidden cardiomyopathies determined by cardiac magnetic resonance. Neurology 2019; 94:e107-e113. [PMID: 31792090 DOI: 10.1212/wnl.0000000000008698] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 08/01/2019] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE To determine whether cardiac magnetic resonance imaging (CMR) could be useful in identifying previously undiagnosed cardiomyopathies in a cohort of patients with ischemic stroke who underwent standard etiologic investigation and to describe the type and frequency of these cardiomyopathies. METHODS We performed a subanalysis of a previously collected prospective cohort of patients with ischemic stroke. Patients with structural changes on echocardiography that are considered causal for stroke in the Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification were excluded. A 3T CMR was performed. We compared the frequency of the cardiomyopathies that we found with reference values for the general population. RESULTS One hundred thirty-two patients with a mean age of 68.4 years were included. In 7 patients (5.3%, 95% confidence interval 2.59%-10.54%) CMR identified cardiomyopathy. Four patients had hypertrophic cardiomyopathy, 2 had restrictive cardiomyopathy, and 1 had noncompaction cardiomyopathy. Six of these patients had been classified after standard evaluation as having undetermined stroke and 1 patient as having cardioembolic stroke (atrial fibrillation). We found a higher frequency of hypertrophic cardiomyopathy in the entire cohort and in the undetermined cause group compared to the general population (3.03% and 5.81% vs 0.2%, respectively, p = 0.001 and p < 0.001). The frequency of noncompaction cardiomyopathy was also higher in our cohort (0.76% vs 0.05%, respectively, p < 0.001). CONCLUSIONS Although rare, cardiomyopathies should be considered as a possible cause of ischemic stroke classified as of undetermined etiology after standard evaluation.
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Affiliation(s)
- Ana Catarina Fonseca
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal.
| | - João Pedro Marto
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Daniela Pimenta
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Tatiana Guimarães
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Pedro N Alves
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Nuno Inácio
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Miguel Viana-Baptista
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Teresa Pinho E Melo
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Fausto J Pinto
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - José M Ferro
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Ana G Almeida
- From the Department of Neurology (A.C.F., D.P., P.N.A., T.P.e.M., J.M.F.), Hospital de Santa Maria, Institute of Molecular Medicine, University of Lisboa; Department of Neurology (J.P.M., M.V.-B.), Hospital Egas Moniz; Department of Cardiology (T.G., F.J.P., A.G.A.), Hospital de Santa Maria, University of Lisboa; and Department of Neurology (N.I.), Hospital Beatriz Ângelo, Lisbon, Portugal
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Rigopoulos AG, Sakellaropoulos S, Ali M, Mavrogeni S, Manginas A, Pauschinger M, Noutsias M. Transcatheter septal ablation in hypertrophic obstructive cardiomyopathy: a technical guide and review of published results. Heart Fail Rev 2019; 23:907-917. [PMID: 29736811 DOI: 10.1007/s10741-018-9706-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Transcatheter alcohol septal ablation (ASA) treatment of symptomatic patients with hypertrophic obstructive cardiomyopathy (HOCM) is based on the existence and degree of intraventricular obstruction. Patients with significant gradient and symptoms who do not respond to optimal medical therapy are eligible to gradient reduction through a surgical (septal myectomy) or a transcatheter (alcohol septal ablation) septal reduction. The latter encompasses occlusion of a septal branch perfusing the hypertrophied septum, which is involved in the generation of obstruction, by injecting ethanol into the supplying septal branch(es). ASA has been established as a highly effective and safe method and has outnumbered the surgical gold standard. Although the technique is straightforward, patient selection and some technical details may influence the efficacy and safety of the procedure. The technique is based on echocardiographic contrast guidance, which allows accurate target septal branch selection and optimisation of the result. Published long-term results from high-volume centres have confirmed the effectiveness of ASA and have shown excellent survival, which is comparable to that in the general population. Choice and performance of the surgical or interventional treatment should be implemented in highly specialised centres in terms of a heart-team approach, taking notice of anatomic characteristics as well as comorbidities. Involvement of all cases in international registries may reveal the individual merits and indications for the surgical and interventional treatment in HOCM.
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Affiliation(s)
- Angelos G Rigopoulos
- Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Strasse 40, D-06120, Halle, Germany.
| | - Stefanos Sakellaropoulos
- Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Strasse 40, D-06120, Halle, Germany
| | - Muhammad Ali
- Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Strasse 40, D-06120, Halle, Germany
| | - Sophie Mavrogeni
- Onassis Cardiac Surgery Center, 50 Esperou Street, 175-61, Palaeo Faliro, Athens, Greece
| | - Athanassios Manginas
- Interventional Cardiology and Cardiology Department, Mediterraneo Hospital, Ilias Street 8-12, 16675, Glyfada, Greece
| | - Matthias Pauschinger
- Department of Cardiology, Internal Medicine 8, Paracelsus Medical University, Nuremberg General Hospital, Nuremberg, Germany
| | - Michel Noutsias
- Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Strasse 40, D-06120, Halle, Germany
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Torres-Matiz JA, Carvajal-Rivera JJ. Diagnóstico y estudio de cardiopatías infrecuentes: multimodalidad – miocardiopatía hipertrófica. REVISTA COLOMBIANA DE CARDIOLOGÍA 2019. [DOI: 10.1016/j.rccar.2019.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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Maron BJ, Maron MS, Maron BA, Loscalzo J. Moving Beyond the Sarcomere to Explain Heterogeneity in Hypertrophic Cardiomyopathy: JACC Review Topic of the Week. J Am Coll Cardiol 2019; 73:1978-1986. [PMID: 31000001 PMCID: PMC6550351 DOI: 10.1016/j.jacc.2019.01.061] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/23/2019] [Accepted: 01/27/2019] [Indexed: 01/06/2023]
Abstract
Hypertrophic cardiomyopathy (HCM) has been considered a heterogeneous cardiac disease ascribed solely to single sarcomere gene mutations. However, limitations of this hypothesis suggest that sarcomere mutations alone do not adequately explain all HCM clinical and pathobiological features. Disease-causing sarcomere mutations are absent in ∼70% of patients with established disease, and sarcomere gene carriers can live to advanced ages without developing HCM. Some features of HCM are also inconsistent with the single sarcomere gene hypothesis, such as regional left ventricular hypertrophy and myocardial fibrosis, as well as structurally abnormal elongated mitral valve leaflets and remodeled intramural coronary arterioles, which involve tissue types that do not express cardiomyocyte sarcomere proteins. It is timely to expand the HCM research focus beyond a single molecular event toward more inclusive models to explain this disease in its entirety. The authors chart paths forward addressing this knowledge gap using novel analytical approaches, particularly network medicine, to unravel the pathobiological complexity of HCM.
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Affiliation(s)
- Barry J Maron
- HCM Institute, Division of Cardiology, Tufts Medical Center, Boston, Massachusetts
| | - Martin S Maron
- HCM Institute, Division of Cardiology, Tufts Medical Center, Boston, Massachusetts
| | - Bradley A Maron
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Joseph Loscalzo
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
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