Synapse
⌘+K
Synapse
PulseExploreClubsResearchersJournals
Instagram
HomeClubsExplore
December 18, 2009Clinical Journal of the American Society of NephrologyOpen Access

The Effect of Measuring Ambulatory Blood Pressure on Nighttime Sleep and Daytime Activity—Implications for Dipping

View Full Paper
Ask AI
Bookmark
Share

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

RARajiv AgarwalRLRobert P. Light

Discussion

Loading...

Member takes

Overview

ABPM may confound nondipping assessment via sleep disruption in CKD; leaves open its impact on prognostic accuracy.

Study Design

Type

Observational (n=103)

Structured PICO

Does ambulatory blood pressure monitoring affect sleep duration, sleep efficiency, and daytime activity in veterans with chronic kidney disease?

P
Population
103 veterans with chronic kidney disease who underwent continuous activity monitoring followed by ambulatory blood pressure monitoring.
E
Exposure
Ambulatory blood pressure monitoring with simultaneous wrist actigraphy
C
Comparator
Wrist actigraphy alone (6 to 7 days prior to ambulatory BP monitoring)
O
Outcome
Sleep duration, sleep efficiency, and daytime activitysurrogate

Main Result

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.

Cite This Study

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.

synapsesocial.com/papers/6a7b36631ba4614d7ff42771https://doi.org/10.2215/cjn.07011009
View Full Paper
Ask AI
Bookmark
Share

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Variability of diurnal changes in ambulatory blood pressure and nocturnal dipping status in untreated hypertensive and normotensive subjects2000 · 137 citations
  2. 2Nocturia, Nocturnal Activity, and Nondipping2009 · 73 citations
  3. 3Effect on sleep ??? but not on blood pressure ??? of nocturnal non-invasive blood pressure monitoring1992 · 44 citations
  4. 4Ambulatory Blood Pressure and Cardiovascular Outcome in Relation to Perceived Sleep Deprivation2007 · 133 citations
  5. 5Out-of-office blood pressure monitoring in chronic kidney disease2009 · 71 citations