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Ntusi NAB, Sliwa K. Associations of Race and Ethnicity With Presentation and Outcomes of Hypertrophic Cardiomyopathy: JACC Focus Seminar 6/9. J Am Coll Cardiol 2021; 78:2573-2579. [PMID: 34887143 DOI: 10.1016/j.jacc.2021.10.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 12/26/2022]
Abstract
Significant racial and ethnicity-based disparities in clinical presentation, management, and outcome of hypertrophic cardiomyopathy (HCM) are reported. Black patients with HCM are more likely to present with heart failure but are less commonly referred for symptom management, sudden cardiac death stratification, surgical septal myectomy, or for implantable cardioverter-defibrillators, all interventions that increase survival. Prevalence of bystander cardiopulmonary resuscitation is lower for Black patients than for White patients. Black patients with HCM have decreased survival after hospital discharge following out-of-hospital cardiac arrest. Biomedical and social interventions are urgently needed to reduce ethnicity-based disparities, which have an impact on outcomes in HCM and other cardiovascular diseases. There is also a need to focus on implementation science to support durable adoption of evidence-based therapies in Black patients and communities.
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Affiliation(s)
- Ntobeko A B Ntusi
- Division of Cardiology, Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Cape Universities Body Imaging Centre, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Karen Sliwa
- Division of Cardiology, Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa; Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
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van Mil A, Balk GM, Neef K, Buikema JW, Asselbergs FW, Wu SM, Doevendans PA, Sluijter JPG. Modelling inherited cardiac disease using human induced pluripotent stem cell-derived cardiomyocytes: progress, pitfalls, and potential. Cardiovasc Res 2019; 114:1828-1842. [PMID: 30169602 DOI: 10.1093/cvr/cvy208] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 08/28/2018] [Indexed: 12/17/2022] Open
Abstract
In the past few years, the use of specific cell types derived from induced pluripotent stem cells (iPSCs) has developed into a powerful approach to investigate the cellular pathophysiology of numerous diseases. Despite advances in therapy, heart disease continues to be one of the leading causes of death in the developed world. A major difficulty in unravelling the underlying cellular processes of heart disease is the extremely limited availability of viable human cardiac cells reflecting the pathological phenotype of the disease at various stages. Thus, the development of methods for directed differentiation of iPSCs to cardiomyocytes (iPSC-CMs) has provided an intriguing option for the generation of patient-specific cardiac cells. In this review, a comprehensive overview of the currently published iPSC-CM models for hereditary heart disease is compiled and analysed. Besides the major findings of individual studies, detailed methodological information on iPSC generation, iPSC-CM differentiation, characterization, and maturation is included. Both, current advances in the field and challenges yet to overcome emphasize the potential of using patient-derived cell models to mimic genetic cardiac diseases.
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Affiliation(s)
- Alain van Mil
- Division Heart and Lungs, Department of Cardiology, Experimental Cardiology Laboratory, Regenerative Medicine Center, University Medical Center Utrecht, Internal Mail No G03.550, GA Utrecht, the Netherlands.,Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Geerthe Margriet Balk
- Division Heart and Lungs, Department of Cardiology, Experimental Cardiology Laboratory, Regenerative Medicine Center, University Medical Center Utrecht, Internal Mail No G03.550, GA Utrecht, the Netherlands.,Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Klaus Neef
- Division Heart and Lungs, Department of Cardiology, Experimental Cardiology Laboratory, Regenerative Medicine Center, University Medical Center Utrecht, Internal Mail No G03.550, GA Utrecht, the Netherlands.,Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Jan Willem Buikema
- Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands.,Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Folkert W Asselbergs
- Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands.,Faculty of Population Health Sciences, Institute of Cardiovascular Science, University College London, London, UK.,Durrer Center for Cardiovascular Research, Netherlands Heart Institute, Utrecht, the Netherlands.,Farr Institute of Health Informatics Research and Institute of Health Informatics, University College London, London, UK
| | - Sean M Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA.,Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.,Institute of Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Pieter A Doevendans
- Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Joost P G Sluijter
- Division Heart and Lungs, Department of Cardiology, Experimental Cardiology Laboratory, Regenerative Medicine Center, University Medical Center Utrecht, Internal Mail No G03.550, GA Utrecht, the Netherlands.,Division Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
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