Related Experiment Video
Updated: Aug 23, 2026

Purification and Transplantation of Myogenic Progenitor Cell Derived Exosomes to Improve Cardiac Function in Duchenne Muscular Dystrophic Mice
Published on: April 10, 2019
[Cardiac problems in patients with progressive muscular dystrophy]
V Danzig1, J Fiksa, A Bani Hani
1I. interní klinika, lékarské fakulty Univerzity Karlovy a Vseobecné fakultní nemocnice v Praze, U Nemocnice 2, 128 08 Praha 2, Czech Republic. danzig@centrum.cz
Insights
Progressive muscular dystrophy often leads to heart problems. This study found left ventricle filling disorders in half of patients and common ECG abnormalities like incomplete right bundle branch block.
Area of Science:
- Cardiology
- Neurology
- Genetics
Context:
- Progressive muscular dystrophy (PMD) encompasses a group of inherited disorders characterized by progressive muscle weakness and degeneration.
- Cardiac involvement is a significant complication in various forms of PMD, impacting patient prognosis and quality of life.
Purpose:
- To investigate the prevalence and types of cardiological changes in patients with progressive muscular dystrophy using electrocardiographic (ECG) and echocardiographic examinations.
- To identify specific cardiac abnormalities associated with different types of muscular dystrophy, including Duchenne type and skeletal muscular dystrophy.
Summary:
- Electrocardiographic and echocardiographic assessments were performed on 30 patients with muscular dystrophy (17 Duchenne type, 13 skeletal).
- Left ventricle filling disorder was observed in 50% of patients.
- Echocardiographic signs of pulmonary hypertension were noted in two patients.
- ECG revealed incomplete right bundle branch block in one-third of cases, with supraventricular tachycardia also frequently detected.
Impact:
- Highlights the high incidence of cardiac abnormalities in muscular dystrophy patients.
- Underscores the importance of regular cardiac monitoring in individuals with progressive muscular dystrophy.
- Provides valuable data for understanding the pathophysiology and clinical management of cardiac complications in muscular dystrophy.
Abstract:
Progressive muscular dystrophy causes both skeletal and significant cardiological changes. Electrocardiographic and echocardiographic examinations were provided in 30 patients with muscular dystrophy (17 of them with progressive muscular dystrophy Duchenne type, 13 with skeletal muscular dystrophy). In 50% cases were found left ventricle filling disorder, in two cases echocardiographic signs of pulmonary hypertension. ECG showed in one third of cases incomplete right bundle branch block, supraventricular tachycardia was also frequently found.
Related Concept Videos
Cardiomyopathy II: Dilated Cardiomyopathy
Imbalances in Cardiac Output
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Cardiomyopathy V: Interprofessional Care
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Disorders of the Skeletal Muscle
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...

