The tale of the three sisters.
J Liu1, M J Cramer, G E Leenders
1Department of Endocrinology, Provincial Hospital affiliated to Shandong University, Jinan, China, and Department of Cardiology, University Medical Centre Utrecht, Utrecht, the Netherlands.
Summary
Myocardial deformation imaging (MDI) detects hypertrophic cardiomyopathy (HCM) in daughters of affected fathers, even without typical echo signs. This advanced imaging accurately identified the genetic heart condition in two sisters.
Area of Science:
- Cardiology
- Medical Imaging
- Genetics
Background:
- Hypertrophic cardiomyopathy (HCM) is a genetic heart disease often leading to sudden cardiac death.
- Early diagnosis and monitoring are crucial for managing HCM and preventing adverse outcomes.
- Conventional echocardiography may not always reveal subtle signs of HCM, especially in early stages or in asymptomatic individuals.
Purpose of the Study:
- To evaluate the utility of myocardial deformation imaging (MDI) in detecting subclinical hypertrophic cardiomyopathy (HCM).
- To assess MDI's effectiveness in individuals with a family history of HCM and genetic predisposition.
- To compare MDI findings with conventional two-dimensional echocardiography in this at-risk population.
Main Methods:
- Retrospective analysis of myocardial deformation imaging (MDI) studies.
- Inclusion of three daughters from a family with a history of sudden cardiac death due to HCM.
- Correlation of MDI results with genetic testing and conventional echocardiographic assessments.
Main Results:
- MDI successfully identified myocardial abnormalities consistent with HCM in two daughters.
- These two daughters carried the genetic disorder for HCM.
- Conventional two-dimensional echocardiography did not show clear signs of HCM in these two individuals, highlighting MDI's superior sensitivity.
- The third daughter did not exhibit signs of the disease on MDI or genetic testing.
Conclusions:
- Myocardial deformation imaging (MDI) is a sensitive tool for detecting early or subclinical hypertrophic cardiomyopathy (HCM).
- MDI can identify HCM in genetically predisposed individuals even when conventional echocardiography findings are normal.
- MDI aids in the accurate diagnosis and management of familial hypertrophic cardiomyopathy, improving patient outcomes.
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