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The Authors' reply: We thank Pavšič et al for their remarks regarding our recent article.1 They raise some important points. First, the definition of a hypertensive response to exercise varies between studies in patients with coarctation of the aorta (CoA), which limits their comparability. We used a cut-off value of 210 mm Hg in men and 190 mm Hg in women for systolic blood pressure (SBP) during peak exercise, since these values correspond to the 90th percentile in both sexes in a healthy population.2 Although this definition is most widely used, we acknowledge that there are potential drawbacks when extrapolating this definition to a relatively young cohort of patients with CoA. As noted by Pavšič et al, contemporary data indicate that peak exercise SBP increases with age in a pattern similar to resting SBP. …
Contributors Writing the draft of the correspondence: TAM. Critical appraisal: MV.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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