This follow-up to the AASK study followed a large patient cohort after the completion of the randomized controlled trial. The original AASK randomized controlled trial examined anti-hypertensive choice and blood pressure control intensity in African-Americans with hypertensive renal disease. The cohort study targeted a blood pressure of <130/80. While the study failed to show that intensive blood pressure control had an impact on kidney disease progression, it suggested that there may be specific benefit in the highly proteinuric subgroup.
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