Arrhythmias including atrial fibrillation and congenital heart disease in Kleefstra syndrome : a possible epigenetic link
© The Author(s) 2024. Published by Oxford University Press on behalf of the European Society of Cardiology..
AIMS: Kleefstra syndrome (KS), often diagnosed in early childhood, is a rare genetic disorder due to haploinsufficiency of EHMT1 and is characterized by neuromuscular and intellectual developmental abnormalities. Although congenital heart disease (CHD) is common, the prevalence of arrhythmias and CHD subtypes in KS is unknown.
METHODS AND RESULTS: Inspired by a novel case series of KS patients with atrial tachyarrhythmias in the USA, we evaluate the two largest known KS registries for arrhythmias and CHD: Radboudumc (50 patients) based on health record review at Radboud University Medical Center in the Netherlands and GenIDA (163 patients) based on worldwide surveys of patient families. Three KS patients (aged 17-25 years) presented with atrial tachyarrhythmias without manifest CHD. In the international KS registries, the median [interquartile range (IQR)] age was considerably younger: GenIDA/Radboudumc at 10/13.5 (12/13) years, respectively. Both registries had a 40% prevalence of cardiovascular abnormalities, the majority being CHD, including septal defects, vascular malformations, and valvular disease. Interestingly, 4 (8%) patients in the Radboudumc registry reported arrhythmias without CHD, including one atrial fibrillation (AF), two with supraventricular tachycardias, and one with non-sustained ventricular tachycardia. The GenIDA registry reported one patient with AF and another with chronic ectopic atrial tachycardia (AT). In total, atrial tachyarrhythmias were noted in six young KS patients (6/213 or 3%) with at least four (three AF and one AT) without structural heart disease.
CONCLUSION: In addition to a high prevalence of CHD, evolving data reveal early-onset atrial tachyarrhythmias in young KS patients, including AF, even in the absence of structural heart disease.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology - 26(2023), 1 vom: 28. Dez. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Vasireddi, Sunil K [VerfasserIn] |
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| Links: |
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| Themen: |
Atrial fibrillation |
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| Anmerkungen: |
Date Completed 24.01.2024 Date Revised 20.03.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/europace/euae003 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366864548 |
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| 100 | 1 | |a Vasireddi, Sunil K |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Arrhythmias including atrial fibrillation and congenital heart disease in Kleefstra syndrome |b a possible epigenetic link |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Completed 24.01.2024 | ||
| 500 | |a Date Revised 20.03.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © The Author(s) 2024. Published by Oxford University Press on behalf of the European Society of Cardiology. | ||
| 520 | |a AIMS: Kleefstra syndrome (KS), often diagnosed in early childhood, is a rare genetic disorder due to haploinsufficiency of EHMT1 and is characterized by neuromuscular and intellectual developmental abnormalities. Although congenital heart disease (CHD) is common, the prevalence of arrhythmias and CHD subtypes in KS is unknown | ||
| 520 | |a METHODS AND RESULTS: Inspired by a novel case series of KS patients with atrial tachyarrhythmias in the USA, we evaluate the two largest known KS registries for arrhythmias and CHD: Radboudumc (50 patients) based on health record review at Radboud University Medical Center in the Netherlands and GenIDA (163 patients) based on worldwide surveys of patient families. Three KS patients (aged 17-25 years) presented with atrial tachyarrhythmias without manifest CHD. In the international KS registries, the median [interquartile range (IQR)] age was considerably younger: GenIDA/Radboudumc at 10/13.5 (12/13) years, respectively. Both registries had a 40% prevalence of cardiovascular abnormalities, the majority being CHD, including septal defects, vascular malformations, and valvular disease. Interestingly, 4 (8%) patients in the Radboudumc registry reported arrhythmias without CHD, including one atrial fibrillation (AF), two with supraventricular tachycardias, and one with non-sustained ventricular tachycardia. The GenIDA registry reported one patient with AF and another with chronic ectopic atrial tachycardia (AT). In total, atrial tachyarrhythmias were noted in six young KS patients (6/213 or 3%) with at least four (three AF and one AT) without structural heart disease | ||
| 520 | |a CONCLUSION: In addition to a high prevalence of CHD, evolving data reveal early-onset atrial tachyarrhythmias in young KS patients, including AF, even in the absence of structural heart disease | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Atrial fibrillation | |
| 650 | 4 | |a Congenital/structural heart disease | |
| 650 | 4 | |a Epigenetic mutation | |
| 650 | 4 | |a Kleefstra syndrome | |
| 650 | 4 | |a Premature atrial arrhythmias | |
| 650 | 4 | |a Pulmonary vein isolation in young | |
| 700 | 1 | |a Draksler, Tanja Zdolsek |e verfasserin |4 aut | |
| 700 | 1 | |a Bouman, Arianne |e verfasserin |4 aut | |
| 700 | 1 | |a Kummeling, Joost |e verfasserin |4 aut | |
| 700 | 1 | |a Wheeler, Matthew |e verfasserin |4 aut | |
| 700 | 1 | |a Reuter, Chloe |e verfasserin |4 aut | |
| 700 | 1 | |a Srivastava, Siddharth |e verfasserin |4 aut | |
| 700 | 1 | |a Harris, Jacqueline |e verfasserin |4 aut | |
| 700 | 1 | |a Fisher, Paul G |e verfasserin |4 aut | |
| 700 | 1 | |a Narayan, Sanjiv M |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Paul J |e verfasserin |4 aut | |
| 700 | 1 | |a Badhwar, Nitish |e verfasserin |4 aut | |
| 700 | 1 | |a Kleefstra, Tjitske |e verfasserin |4 aut | |
| 700 | 1 | |a Perez, Marco V |e verfasserin |4 aut | |
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