Back to Search
Start Over
Myocardial work: a new way to predict fibrosis in patients with hypertrophic cardiomyopathy
- Source :
- European Heart Journal. 41
- Publication Year :
- 2020
- Publisher :
- Oxford University Press (OUP), 2020.
-
Abstract
- Aims Late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) adds prognostic information in patients with hypertrophic cardiomyopathy (HCM). Whether Myocardial work (MW), a new parameter on transthoracic echocardiographic (TTE), can predict significant fibrosis in HCM patients is unknown. Methods Single-centre evaluation of consecutively recruited HCM patients in which TTE and CMR were performed. MW and related indices were calculated from global longitudinal strain (GLS) and from estimated left ventricular pressure curves. The extent of LGE was quantitatively assessed. LGE ≥15% was chosen to define significant fibrosis. Logistic regression analysis was used to find the variables associated with LGE ≥15% and cut-off values were determined. Results Among the thirty-two patients analysed mean age was 57±16 years, 18 (56%) were male patients and the mean left ventricular ejection fraction by TTE was 67±8%. Global constructive work (GCW), global work index and GLS were significant predictors of LGE ≥15%. A cut-off ≤1550 mmHg% of GCW was able to predict significant fibrosis with a sensitivity of 92% and a specificity of 79%, while the best cut-off for GLS (>−15%) had a sensitivity of 86% and a specificity of 72%. Conclusion GCW was the best parameter to predict significant left ventricular myocardial fibrosis in CMR, suggesting its utility in patients who may not be able to have a CMR study. Myocardial Work and LGE in CMR in HCM Funding Acknowledgement Type of funding source: None
- Subjects :
- medicine.medical_specialty
Ejection fraction
business.industry
Hypertrophic cardiomyopathy
Diastole
medicine.disease
QT interval
Linear gingival erythema
Fibrosis
Internal medicine
Cardiology
Medicine
Myocardial fibrosis
In patient
cardiovascular diseases
Cardiology and Cardiovascular Medicine
business
Subjects
Details
- ISSN :
- 15229645 and 0195668X
- Volume :
- 41
- Database :
- OpenAIRE
- Journal :
- European Heart Journal
- Accession number :
- edsair.doi...........8ce81306d0e9e13525a7aa559bef2453