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Athlete's heart or hypertrophic cardiomyopathy: usefulness of N-terminal pro-brain natriuretic peptide. | LitMetric

AI Article Synopsis

Article Abstract

Background: Distinguishing physiological hypertrophy from hypertrophic cardiomyopathy in athletes remains difficult, but vital in view of the risk of sudden death under effort. NT-proBNP was previously reported to be usually normal in healthy athletes, but often elevated in case of hypertrophic cardiomyopathy.

Objectives: To assess the interest of NT-proBNP in differential diagnosis of left ventricular hypertrophy in athletes.

Methods: NT-proBNP levels were measured at rest and after effort in trained athletes referred for suspectedly abnormal (>or=13 mm) left ventricular hypertrophy.

Results: 17 patients were included, 10 of whom were diagnosed with hypertrophic cardiomyopathy (group I) while the other 7 presented typical signs of athlete's heart (group II). NT-proBNP levels did not significantly differ between groups, whether at rest or after effort. NT-proBNP levels were, however, significantly elevated in 3 subjects in group I, while being consistently normal in group II.

Conclusions: In active athletes presenting with ambiguous left ventricular hypertrophy, abnormal NT-proBNP levels indicate hypertrophic cardiomyopathy, whereas normal values are inconclusive.

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Source
http://dx.doi.org/10.1016/j.ijcard.2008.05.008DOI Listing

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