Key result
Ambulatory blood pressure monitoring reduced sleep efficiency (77% vs 82%, P=0.02) and increased sedentary time (+27 min, P=0.002), characteristics that may induce nondipping.
Why the study?
Does ambulatory blood pressure monitoring affect sleep duration, sleep efficiency, and daytime activity in veterans with chronic kidney disease?
Population
103 veterans with chronic kidney disease
Comparison
Ambulatory blood pressure monitoring with… vs Wrist actigraphy alone
Design
Cohort
Follow-up
1 month
Authors
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ABPM may confound nondipping assessment via sleep disruption in CKD; leaves open its impact on prognostic accuracy.
Observational (n=103)
Does ambulatory blood pressure monitoring affect sleep duration, sleep efficiency, and daytime activity in veterans with chronic kidney disease?
Mean Difference: -5
Absolute Event Rate: 77% vs 82%
p-value: p=0.02
Ambulatory blood pressure monitoring itself disturbs sleep and reduces physical activity, which may induce nondipping and confound the prognostic value of the dipping phenomenon.
Agarwal et al. (2009) conducted an observational in Chronic kidney disease (n=103). Ambulatory blood pressure monitoring vs. Days without ambulatory blood pressure monitoring was evaluated on Sleep efficiency (among top tertile of patients) (MD -5%, p=0.02). Ambulatory blood pressure monitoring reduced sleep efficiency (77% vs 82%, P=0.02) and increased sedentary time (+27 min, P=0.002), characteristics that may induce nondipping.
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