Key result
Black individuals exhibit higher nocturnal blood pressure and smaller diurnal changes on 24-hour ambulatory monitoring, which may be important in the pathogenesis of left ventricular hypertrophy.
Why the study?
Does 24h ambulatory blood pressure monitoring reveal racial differences in blood pressure profiles?
Does 24h ambulatory blood pressure monitoring reveal racial differences in blood pressure profiles?
Ambulatory blood pressure monitoring highlights significant racial differences in diurnal blood pressure patterns, specifically higher nocturnal blood pressure in Black individuals, which may contribute to left ventricular hypertrophy.
May inform ambulatory BP interpretation by race; hypothesis-generating for LVH risk and requires prospective validation.
Ethnic differences in 24h blood pressure profiles exist, and 24h ambulatory blood pressure monitoring shows that blacks have a higher nocturnal blood pressure associated with a small diurnal change in pressure. Studies in adolescents suggest that these diurnal differences antedate adulthood. Nocturnal blood pressure may be independently important in the pathogenesis of left ventricular hypertrophy.
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Vaughan et al. (1994) conducted a review in Blood pressure. Black race was evaluated on Nocturnal blood pressure and diurnal change. Black individuals exhibit higher nocturnal blood pressure and smaller diurnal changes on 24-hour ambulatory monitoring, which may be important in the pathogenesis of left ventricular hypertrophy.
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