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[Cardiac involvement in neuromuscular diseases]
I J Posada Rodríguez1, E Gutiérrez-Rivas, A Cabello
1Servicio de Neurología, Hospital Universitario 12 de Octubre, Madrid. iposadar@meditex.es
Revista Espanola De Cardiologia
|February 21, 1998
Summary
Neuromuscular disorders frequently affect the heart, causing cardiomyopathy and rhythm issues. Early skeletal muscle and nerve investigation aids diagnosis, often negating the need for endomyocardial biopsy.
Area of Science:
- Cardiology
- Neurology
- Genetics
Background:
- Neuromuscular disorders frequently involve cardiac complications, including cardiomyopathy and arrhythmias.
- Various muscular dystrophies, myopathies, metabolic diseases, and polyneuropathies can manifest with cardiac involvement.
- Cardiac manifestations can range from dilated or hypertrophic cardiomyopathy to heart rhythm and conduction disturbances.
Purpose of the Study:
- To highlight the cardiac implications of diverse neuromuscular disorders.
- To emphasize the diagnostic approach for identifying cardiac involvement in neuromuscular conditions.
- To underscore the utility of skeletal muscle and nerve investigations in cardiac diagnosis.
Main Methods:
- Systematic investigation of skeletal muscle and peripheral nerves.
- Measurement of muscle enzymes.
- Neurophysiological studies and muscle biopsy.
- Biochemical and genetic analyses in selected cases.
Main Results:
- Neuromuscular disorders present with a spectrum of cardiac pathologies.
- Clinical suspicion and targeted investigations are crucial for diagnosis.
- Endomyocardial biopsy is infrequently required for diagnosis.
Conclusions:
- Cardiac involvement is a significant feature of many neuromuscular disorders.
- A comprehensive diagnostic strategy involving neurological and muscular assessments is effective.
- Non-invasive and minimally invasive methods are often sufficient for diagnosis.