Author(s)
Larry W. Markham, MD, Sandra K. Knecht, BS, Stephen R. Daniels, MD, Wayne A. Mays, RCPT, Philip R. Khoury, MS, Timothy K. Knilans, MD
Date
2004-11-01
Source
Volume 94, Issue 9, 1 November 2004, Pages 1200–1202

Often, the lack of systemic arterial hypertension and the lack of a resting arm-leg blood pressure gradient are used to assess the adequacy of the anatomic result after intervention for coarctation of the aorta (CoA). Some patients with no arm-leg gradient at rest may develop a gradient with exercise, leading caregivers to question the success of the repair. It is not clear what the prevalence is of patients who have undergone a successful intervention for CoA and have no arm-leg gradient at rest but develop a significant gradient with exercise and which factors may predict the development of an arm-leg gradient with exercise. This study evaluates the prevalence and predictors of an exercise-induced arm-leg gradient in subjects who have undergone an apparently successful intervention for CoA.

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