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Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Hypertrophic cardiomyopathy in children
Arman Arghami1, Joseph A Dearani1, Sameh M Said1
1Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Insights
Septal myectomy is a safe and effective treatment for children with obstructive hypertrophic cardiomyopathy (HCM), improving survival rates. Careful patient selection is crucial, especially for prophylactic procedures in asymptomatic children.
Area of Science:
- Cardiology
- Pediatric Cardiology
- Cardiovascular Surgery
Background:
- Hypertrophic cardiomyopathy (HCM) affects 1 in 500 adults and is a leading cause of death in individuals under 35.
- Pediatric HCM often presents asymptomatically, with a 1% annual mortality rate after the first year of life.
Purpose of the Study:
- To evaluate the safety and efficacy of septal myectomy in children with obstructive HCM.
- To assess the impact of septal myectomy on long-term survival in pediatric patients with HCM.
- To highlight the importance of patient selection for septal myectomy, including prophylactic procedures.
Main Methods:
- Review of published data on septal myectomy outcomes in pediatric obstructive HCM.
- Comparison of survival rates between treated and untreated HCM patients.
- Analysis of factors influencing successful surgical outcomes.
Main Results:
- Septal myectomy is demonstrated to be safe and effective in pediatric obstructive HCM.
- Published data indicates improved late survival in children undergoing septal myectomy compared to those untreated.
- Successful outcomes are strongly linked to meticulous patient selection and surgical expertise.
Conclusions:
- Septal myectomy offers a safe and effective therapeutic option for children with obstructive HCM.
- Prophylactic septal myectomy in asymptomatic pediatric patients requires careful consideration regarding patient selection and surgical skill.
- Improved long-term survival is a key benefit of timely and appropriate surgical intervention for HCM in children.
Abstract:
Hypertrophic cardiomyopathy (HCM) occurs in 1 of 500 adults and is considered to be one of the most common causes of death in young people under 35 years of age. Children with HCM are usually asymptomatic and the overall annual mortality beyond the first year of life is 1%. Septal myectomy is safe and effective in children with obstructive HCM and published data shows improved late survival compared to untreated HCM. Patient selection and surgical expertise remain critical components to ensuring successful outcomes of septal myectomy, particularly when considering prophylactic myectomy in a seemingly asymptomatic patient.
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