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KMID : 1100720180380040306
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Annals of Laboratory Medicine
2018 Volume.38 No. 4 p.306 ~ p.315
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Galectin-3 Reflects the Echocardiographic Grades of Left Ventricular Diastolic Dysfunction
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Ansari Uzair
Behnes Michael
Hoffmann Julia
Natale Michele
Fastner Christian
El-Battrawy Ibrahim
Rusnak Jonas
Kim Seung-Hyun
Lang Siegfried
Hoffmann Ursula
Bertsch Thomas
Borggrefe Martin
Akin Ibrahim
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Abstract
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Background: The level of Galectin-3 (Gal-3) protein purportedly reflects an ongoing cardiac fibrotic process and has been associated with ventricular remodeling, which is instrumental in the development of heart failure with preserved ejection fraction (HFpEF) syndrome. The aim of this study was to investigate the potential use of Gal-3 in improved characterization of the grades of diastolic dysfunction as defined by echocardiography.
Methods: Seventy HFpEF patients undergoing routine echocardiography were prospectively enrolled in the present monocentric study. Blood samples for measurements of Gal-3 and amino-terminal pro-brain natriuretic peptide (NT-proBNP) were collected within 24 hours pre- or post-echocardiographic examination. The classification of patients into subgroups based on diastolic dysfunction grade permitted detailed statistical analyses of the derived data.
Results: The Gal-3 serum levels of all patients corresponded to echocardiographic indices, suggesting HFpEF (E/A, P=0.03 and E/E', P=0.02). Gal-3 was also associated with progressive diastolic dysfunction, and increased levels corresponded to the course of disease (P=0.012). Detailed analyses of ROC curves suggested that Gal-3 levels could discriminate patients with grade III diastolic dysfunction (area under the curve [AUC]=0.770, P=0.005).
Conclusions: Gal-3 demonstrates remarkable effectiveness in the diagnosis of patients suffering from severe grade diastolic dysfunction. Increasing levels of Gal-3 possibly reflect the progressive course of HFpEF, as classified by the echocardiographic grades of diastolic dysfunction.
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KEYWORD
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Galectin-3, Preserved ejection fraction, NT-proBNP, Diastolic dysfunction
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