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Evaluation of the Safety and Effectiveness of Renal Artery Stenting After Unsuccessful Balloon Angioplasty

The ASPIRE-2 Study

Krishna Rocha-Singh, MD^_*,_*, Michael R. Jaff, DO, Kenneth Rosenfield, MD ASPIRE-2 Trial Investigators

^_* Prairie Heart Institute, Springfield, Illinois
Massachusetts General Hospital, Boston, Massachusetts

View larger version (30K): [in a new window]   Figure 1 Cumulative frequency distribution of percent diameter stenosis by quantitative angiographic analysis immediately before and after stent implantation. (All lesions treated with QA data available.) **In-stent measurements were used for post-procedure percent diameter stenosis. CI = confidence interval; COV = coefficient of variation; SD = standard deviation.

View larger version (27K): [in a new window]   Figure 2 Probability of treatment benefit based on control of hypertension. Note: Peto formula was used for SE calculation (25). CI = confidence interval; SE = standard error of the mean.

View larger version (26K): [in a new window]   Figure 3 Survival free from major adverse events (MAEs), to 720 days. All patients (n = 201). Note: Peto formula was used for SE calculation (25). CI = confidence interval; SE = standard error of the mean.