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Published on: August 8, 2022
Familial restrictive cardiomyopathy with skeletal abnormalities
Marcy L Schwartz1, Steven D Colan
1Department of Cardiology, Children's Hospital, Boston, Massachusetts 02115, USA. marcy.schwartz@cardio.chboston.org
Insights
A genetic cause is likely for restrictive cardiomyopathy and skeletal abnormalities in a family. This rare heart condition has a poor prognosis, with affected children experiencing severe symptoms or death.
Area of Science:
- Cardiology
- Genetics
- Pediatrics
Background:
- Restrictive cardiomyopathy (RCM) is a rare and severe form of heart muscle disease.
- Genetic etiologies are increasingly recognized in pediatric cardiomyopathies.
- Skeletal and orthopedic abnormalities can sometimes be associated with systemic or genetic disorders.
Observation:
- A family presented with 5 of 9 children diagnosed with restrictive cardiomyopathy.
- Affected children also exhibited skeletal muscle and orthopedic abnormalities.
- No other identifiable cause for the cardiomyopathy was found in this family.
Findings:
- A probable genetic cause for restrictive cardiomyopathy and associated abnormalities is suggested in this family.
- The clinical course was consistent with the known poor prognosis of pediatric RCM.
- Two children died, and a third became symptomatic by age 3 years.
Implications:
- This case highlights the potential genetic basis of restrictive cardiomyopathy combined with musculoskeletal issues.
- Early diagnosis and genetic counseling are crucial for families with suspected inherited cardiac conditions.
- Further research into the genetic underpinnings of RCM with extra-cardiac manifestations is warranted.
Abstract:
A family is described in which 5 of 9 living children were found to have restrictive cardiomyopathy associated with skeletal muscle and orthopedic abnormalities. In the absence of another identifiable etiology, a genetic cause for restrictive cardiomyopathy in this family is probable. Consistent with the poor prognosis encountered for children with restrictive cardiomyopathy, 2 children in this family died, whereas a third was symptomatic by age 3 years.
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Disorders of the Skeletal Muscle
Musculoskeletal disorders
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