Cardiac manifestations in adult patients with inherited metabolic disease: A single-center experience
Background: Inherited metabolic diseases (IMDs) can affect the heart, but data on cardiac manifestations in adults are scarce. This study examines the clinical and radiological features of cardiac complications in adults with IMDs. Methods: This retrospective study included adult patients at our met...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-06-01
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| Series: | Molecular Genetics and Metabolism Reports |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S221442692500031X |
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| Summary: | Background: Inherited metabolic diseases (IMDs) can affect the heart, but data on cardiac manifestations in adults are scarce. This study examines the clinical and radiological features of cardiac complications in adults with IMDs. Methods: This retrospective study included adult patients at our metabolic clinic with a biochemical and/or genetic diagnosis of IMD who underwent cardiac investigations. Records were reviewed for clinical features, echocardiograms, electrocardiograms, and treatment. Patients were categorized into three IMD subgroups: disorders of small molecules, complex molecules, and energy production. Results: Of the 115 adult patients with IMD, 48 underwent cardiac testing (mean age 39.1 ± 14.8 years). Abnormal cardiac findings were reported in 23 of these patients (47.9 %, 14 men). Five (21.7 %) were symptomatic with dyspnea, peripheral edema, or chest pain. Fourteen patients (60.9 %) had heart muscle disease, 6 (26.1 %) had valvular involvement, and 5 (21.7 %) had arrhythmia. Valvular and heart muscle disease predominated in complex and small molecule disorders (3/4 and 7/9 respectively). Energy production disorders showed mixed involvement: heart muscle disease (5/10) and arrhythmia (5/10). Twelve of the 23 patients with abnormal findings (52.2 %) received specific cardiac therapy. All but one patient remained stable under treatment. Discussion: In this cohort, cardiac disease was diagnosed in 23 of 115 adults with IMD (20 %), including structural heart defects and arrhythmia. The pattern and severity of cardiac involvement varied between disorders, with arrhythmia mainly associated with energy production disorders. Outcomes were favorable in most cases, likely due to collaboration between metabolic physicians and cardiologists and timely follow-up and treatment. |
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| ISSN: | 2214-4269 |