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Reduction in NYHA class after endovascular treatment of flow-limiting iliofemoral stenosis. NYHA class (blue indicates NYHA I, orange indicates NYHA II, gray indicates NYHA III, and yellow indicates NYHA IV) at baseline before angioplasty (n=25) of flow-limiting stenosis and at follow-up. Wilcoxon signed-rank test was used to calculate P value. NYHA indicates New York Heart Association.
