The Fabry cardiomyopathy - diagnostic approach and current treatment
Frank Weidemann, Georg Ertl, Christoph Wanner
1Medizinische Klinik und Poliklinik I, Universitätsklinik Wurzburg, Oberduerrbacher Str. 6, 97080 Würzburg, Germany. Weidemann_F@medizin.uni-wuerzburg.de.
Insights
Anderson-Fabry disease, a lysosomal storage disorder, causes heart problems like hypertrophy and fibrosis. Early treatment is crucial for managing Fabry cardiomyopathy and improving patient outcomes.
Area of Science:
- Cardiology
- Genetics
- Metabolic Disorders
Background:
- Anderson-Fabry disease is an X-linked lysosomal storage disorder due to alpha-galactosidase A deficiency.
- Globotriaosylceramide accumulation causes multisystemic effects, notably impacting the heart, kidneys, and nervous system.
- Fabry cardiomyopathy frequently presents as concentric left-ventricular hypertrophy.
Purpose of the Study:
- To review the characteristics of Fabry cardiomyopathy.
- To outline clinical assessment methods for cardiac involvement in Fabry disease.
- To highlight therapeutic strategies for optimizing patient outcomes.
Main Methods:
- Literature review of Fabry disease and its cardiac manifestations.
- Analysis of clinical assessment techniques for Fabry cardiomyopathy.
- Synthesis of current therapeutic approaches and their impact on prognosis.
Main Results:
- Fabry cardiomyopathy progresses to myocardial replacement fibrosis in advanced stages.
- Fibrosis typically begins in the mid-myocardial layers and becomes transmural.
- Prognosis is significantly influenced by the timing of therapeutic intervention.
Conclusions:
- Early diagnosis and treatment are essential for managing Fabry cardiomyopathy.
- Therapy in advanced stages primarily focuses on stabilization.
- Comprehensive management strategies are key to improving long-term outcomes for patients.
Abstract:
Anderson-Fabry disease is an X-linked lysosomal storage disorder caused by alpha-galactosidase A deficiency. The intracellular storage of globotriaosylceramides in different tissues and organs leads to a multisystemic disease affecting kidneys, nervous system and the heart. Fabry cardiomyopathy is frequent and leads to concentric left-ventricular hypertrophy. Typical pattern in advanced stages is myocardial replacement fibrosis, first localized to mid myocardial layers of postero-lateral basal myocardium and then spreading to transmural fibrosis.Long term prognosis is dependent on timely initiation of specific and concomitant therapies, while therapy in advanced stages is only able to stabilize the organ affection. This review describes the characteristics of Fabry cardiomyopathy, shows the clinical assessment of cardiac involvement and highlights therapeutic issues aiming at the best outcome for patients with Fabry disease.
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