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Assessment of the Diurnal Blood Pressure Profile and Detection of Non-Dippers Based on Home or Ambulatory Monitoring.
MedLine Citation:
PMID:  22695508     Owner:  NLM     Status:  Publisher    
BackgroundA unique advantage of ambulatory blood pressure (ABP) monitoring is the assessment of nocturnal blood pressure (BP) and the detection of non-dippers. This study assessed nocturnal BP and non-dippers using a novel home BP (HBP) monitor.MethodsEighty-one hypertensives performed within 2 weeks ABP (24-h, Microlife WatchBP O3) and HBP monitoring (Microlife WatchBPN) during daytime (6 days, duplicate morning and evening measurements) and nighttime (automated asleep measurements, 3 nights, 3 readings/night). Patients' preference in using ABP or HBP was assessed by a questionnaire.ResultsStrong associations were found between ABP and HBP (intraclass correlation coefficients for awake systolic/diastolic 0.75/0.81; asleep 0.87/0.85). No statistically significant difference was found between HBP and ABP (mean difference ± SD awake systolic/diastolic 1.5 ± 10.1/-1.1 ± 6.0 mm Hg, P = 0.20/0.09; asleep -0.4 ± 7.8/-1.0 ± 5.3, P = 0.63/0.09). There was substantial agreement (74%, kappa 0.2) between ABP and HBP in the detection of non-dippers, which was similar to the previously reported test-retest reproducibility of repeated ABP monitoring in the diagnosis of non-dippers. Moderate to severe disturbance from ABP monitoring was reported by 18% of the participants and severe restriction of their daily activities by 9, vs. 3 and 1.5%, respectively for HBP (P < 0.001/ <0.01, for comparisons respectively). Nighttime BP monitoring and cuff discomfort were the main complaints for ABP (46 and 32%, respectively) and HBP (34 and 28%), whereas 89% reported more nighttime sleep disturbance by ABP than HBP (P < 0.001).ConclusionsHBP monitoring appears to be a reliable and well accepted by users alternative to ABP for the assessment of nocturnal BP and the detection of non-dippers.American Journal of Hypertension 2012; doi:10.1038/ajh.2012.82.
George S Stergiou; Efthimia G Nasothimiou; Antonios Destounis; Emanouel Poulidakis; Irini Evagelou; Dimitrios Tzamouranis
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-14
Journal Detail:
Title:  American journal of hypertension     Volume:  -     ISSN:  1941-7225     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8803676     Medline TA:  Am J Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Hypertension Center, Third University Department of Medicine, Sotiria Hospital, Athens, Greece.
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