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Published on: June 12, 2021
Use of sacubitril/valsartan in non-compaction cardiomyopathy: a case report
Marcely Gimenes Bonatto1,2, Rodrigo Albanez1, Vera Maria Cury Salemi3
1Department of Cardiology, Heart Failure and Heart Transplantation Section of Santa Casa de Misericórdia Hospital, Curitiba, Paraná, Brazil.
Insights
Sacubitril/valsartan improved heart failure symptoms and ejection fraction in a patient with non-compaction cardiomyopathy (NCCM) refractory to standard treatments. This suggests potential benefits of sacubitril/valsartan for NCCM patients.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Non-compaction cardiomyopathy (NCCM) is a rare congenital heart defect.
- Standard treatments for heart failure in NCCM often show limited efficacy.
- Sacubitril/valsartan is a proven therapy for heart failure with reduced ejection fraction.
Observation:
- A 48-year-old woman with NCCM heart failure was refractory to 18 months of guideline-directed medical therapy.
- Sacubitril/valsartan was initiated due to the lack of treatment response.
Findings:
- The patient showed significant improvement in functional class from III to I.
- Ejection fraction increased by 29%, ventricular diastolic diameter reduced by 7 mm.
- Mitral valve regurgitation improved to mild or none.
Implications:
- Sacubitril/valsartan may be a viable treatment option for NCCM patients with heart failure.
- Further studies are warranted to confirm these findings in a larger NCCM population.
- This case highlights the potential of sacubitril/valsartan in managing refractory heart failure in rare cardiomyopathies.
Abstract:
The use of sacubitril/valsartan significantly reduces death or hospitalization in patients with ejection fraction < 40%. There is no study evaluating this drug effects in non-compaction cardiomyopathy (NCCM) individuals. The aim of this article is to report a case of a patient with NCCM initially refractory to gold standard treatment and afterwards treated with sacubitril/valsartan and its improvements. This is a case report of a 48-year-old woman, presenting with NCCM heart failure, who had received standard guideline-directed medical therapy for 18 months without any improvement in clinical and echocardiographic parameters. After that period, sacubitril/valsartan was initiated. After 18 months of refractory usage of guideline-directed medical therapy, sacubitril/valsartan was started, and significant change in functional class (III to I) and important ventricular remodelling were achieved with an improvement of 29% in the ejection fraction, reduction of 7 mm in ventricular diastolic diameter, and mild to none mitral valve functional regurgitation. In this case report, sacubitril/valsartan use was associated with improvement of echocardiographic and clinical parameters in a patient with NCCM.
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