Profound left ventricular remodeling associated with LAMP2 cardiomyopathy
Barry J Maron1, William C Roberts, Carolyn Y Ho
1Hypertrophic Cardiomyopathy Center, Minneapolis Heart Institute Foundation, Minneapolis, Minnesota, USA. hcm.maron@mhif.org
The American Journal of Cardiology
|October 6, 2010
Summary
Lysosome-associated membrane protein (LAMP2) cardiomyopathy is a severe X-linked heart disorder. This case shows extreme left ventricular remodeling, including wall thinning and dysfunction, highlighting its progressive nature.
Area of Science:
- Cardiology
- Genetics
- Molecular Biology
Background:
- Lysosome-associated membrane protein (LAMP2) cardiomyopathy is a rare, X-linked myocardial storage disorder.
- It presents clinically similar to sarcomeric hypertrophic cardiomyopathy, often with reduced survival rates.
Observation:
- This study details the case of a young woman with LAMP2 cardiomyopathy.
- Her condition exhibited an extreme progression of left ventricular remodeling.
Findings:
- The patient displayed marked left ventricular wall thinning (regression of hypertrophy), chamber dilatation, and severe systolic dysfunction.
- Widespread transmural scarring was a significant pathological finding.
Implications:
- Understanding the extreme remodeling profile in LAMP2 cardiomyopathy is crucial for diagnosis and management.
- This case underscores the importance of considering genetic cardiomyopathies in unexplained heart failure presentations.
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