Orthostatic Hypotension in the Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure: Which Version Is Right?

摘要

To the Editor:Orthostatic hypotension is a disorder commonly observed among elderly hypertensive subjects recruited to some trials1,2 or assisted in primary care.3 Although the definition used in the studies was variable in the past,3 from 1995 the definition proposed by the American Autonomic Society and the American Academy of Neurology Consensus Committee has been accepted.4 This consensus establishes that a reduction in systolic blood pressure of at least 20 mm Hg or in diastolic blood pressure of at least 10 mm Hg within 3 minutes …