Letter by Triantafyllou and Straub Regarding Article, “Thresholds for Ambulatory Blood Pressure Among African Americans in the Jackson Heart Study”
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To the Editor:
We read with great interest the article by Ravenell et al1 regarding proposed thresholds for daytime, nighttime, and 24-hour ambulatory blood pressure (BP) in African Americans. The authors suggest higher thresholds for hypertension for that specific population. More specifically, they suggest that daytime hypertension be defined as systolic BP/diastolic BP≥140/85 mm Hg, 24-hour hypertension be defined as 24-hour systolic BP/diastolic BP≥135/80 mm Hg, and nighttime hypertension be defined as nighttime systolic BP/diastolic BP≥130/75 mm Hg. It is widely accepted that ambulatory BP monitoring is the most …