Why the study?
Does 48-h ABPM compared to 24-h ABPM improve the reproducibility of circadian blood pressure pattern classification in hypertensive patients?
Population
611 patients undergoing 48-h ABPM within the National ABPM Registry of the Spanish Society of Hypertension…
Comparison
48-h ambulatory blood pressure monitoring (ABPM) vs First 24-h ABPM vs second 24-h ABPM vs 48-h…
Design
Cohort
Follow-up
48 hours
Authors
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Single 24-h ABPM dipping classification shows limited reproducibility; leaves open whether 48-h monitoring improves reliability in practice or trials.
Does 48-h ABPM compared to 24-h ABPM improve the reproducibility of circadian blood pressure pattern classification in hypertensive patients?
Categorization of dipper or non-dipper based on a single 24-h ABPM is only moderately reproducible, as 24% of patients change profile over the following 24 hours.
Rey et al. (2007) studied this question.