Abstract:
:Background Obesity is a precursor to heart failure with preserved ejection fraction. Biomarkers that identify preclinical metabolic heart disease ( MHD ) in young obese patients would help identify high-risk individuals for heart failure prevention strategies. We assessed the predictive value of GAL3 (galectin-3), FSTL3 (follistatin-like 3 peptide), and NT-proBNP (N-terminal pro-B-type natriuretic peptide) to identify stage B MHD in young obese participants free of clinically evident cardiovascular disease. Methods and Results Asymptomatic obese patients (n=250) and non-obese controls (n=21) underwent echocardiographic cardiac phenotyping. Obese patients were classified as MHD positive ( MHD - POS ; n=94) if they had abnormal diastolic function or left ventricular hypertrophy and had estimated pulmonary artery systolic pressure ≥35 mm Hg. Obese patients without such abnormalities were classified as MHD negative (MHD-NEG; n=52). Serum biomarkers timed with echocardiography. MHD - POS and MHD-NEG individuals were similarly obese, but MHD - POS patients were older, with more diabetes mellitus and metabolic syndrome. Right ventricular coupling was worse in MHD - POS patients ( P<0.001). GAL 3 levels were higher in MHD - POS versus MHD -NEG patients (7.7±2.3 versus 6.3±1.9 ng/mL, respectively; P<0.001). Both GAL 3 and FSTL 3 levels correlated with diastolic dysfunction and increased pulmonary artery systolic pressure but not with left ventricular mass. In multivariate models including all 3 biomarkers, only GAL 3 remained associated with MHD (odds ratio: 1.30; 95% CI , 1.01-1.68; P=0.04). Conclusions In young obese individuals without known cardiovascular disease, GAL 3 is associated with the presence of preclinical MHD . GAL 3 may be useful in screening for preclinical MHD and identifying individuals with increased risk of progression to obesity-related heart failure with preserved ejection fraction.
journal_name
J Am Heart Assocjournal_title
Journal of the American Heart Associationauthors
Gopal DM,Ayalon N,Wang YC,Siwik D,Sverdlov A,Donohue C,Perez A,Downing J,Apovian C,Silva V,Panagia M,Kolachalama V,Ho JE,Liang CS,Gokce N,Colucci WSdoi
10.1161/JAHA.118.011100subject
Has Abstractpub_date
2019-04-02 00:00:00pages
e011100issue
7issn
2047-9980journal_volume
8pub_type
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