Why the study?
What is the prevalence of exercise-induced LVOTO in symptomatic patients with non-obstructive HCM?
Population
87 symptomatic patients with hypertrophic cardiomyopathy and no previously documented LVOTO, mean age 43.3…
Design
Cross-sectional
Authors
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Latent LVOTO may be common in symptomatic non-obstructive HCM; leaves open whether routine exercise echocardiography improves outcomes.
What is the prevalence of exercise-induced LVOTO in symptomatic patients with non-obstructive HCM?
Approximately two-thirds of symptomatic patients with non-obstructive HCM have latent LVOTO unmasked by exercise stress echocardiography, suggesting its routine use in this population.
Shah et al. (2007) studied this question.
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