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Titolo:
BLOOD-PRESSURE DURING SIESTA - EFFECT ON 24-H AMBULATORY BLOOD-PRESSURE PROFILES ANALYSIS
Autore:
STERGIOU GS; MALAKOS JS; ZOURBAKI AS; ACHIMASTOS AD; MOUNTOKALAKIS TD;
Indirizzi:
UNIV ATHENS,DEPT MED 3,HYPERTENS CTR,SOTIRIA HOSP,152 MESOG AVE ATHENS 11527 GREECE
Titolo Testata:
Journal of human hypertension
fascicolo: 2, volume: 11, anno: 1997,
pagine: 125 - 131
SICI:
0950-9240(1997)11:2<125:BDS-EO>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
ESSENTIAL-HYPERTENSION; SLEEP; REPRODUCIBILITY; HYPERTROPHY; INTERVALS; DIPPERS; DAYTIME; NIGHT;
Keywords:
SIESTA; AMBULATORY BLOOD PRESSURE; DATA ANALYSIS; NON-DIPPERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
G.S. Stergiou et al., "BLOOD-PRESSURE DURING SIESTA - EFFECT ON 24-H AMBULATORY BLOOD-PRESSURE PROFILES ANALYSIS", Journal of human hypertension, 11(2), 1997, pp. 125-131

Abstract

Blood pressure (BP) during siesta declines to levels similar to thoseof night time sleep. The objective of the study was to assess the effect of siesta on 24-h ambulatory BP (ABP) data. Two different approaches were employed for the definition of day and night periods: (1) actual patient reported day and night intervals (ACT) with siesta period analysed as a third time period; and (2) arbitrary day and night time intervals (ARE) with the presence of siesta being ignored. A total of 203 24-h ABP recordings were analysed, with a siesta during ABP monitoring reported in 154 of them. Mean siesta BP was very close to ACT night time BP. Among recordings with a siesta, ACT daytime BP was higher and night time BP lower than the corresponding ARE BPs (P < 0.001). Themagnitude of night time BP drop was greater with ACT intervals, resulting in a lower percentage of non-dippers (P < 0.001). Among 49 recordings without a siesta, differences between ACT and ARE BPs were less pronounced for daytime but not for night time. Differences in the magnitude of nocturnal BP drop between ACT and ARE periods, although statistically significant, did not affect the prevalence of non-dippers. In conclusion, analysis of 24-h BP profiles by using ARE instead of ACT day and night intervals results in underestimation of the nocturnal BP drop and overestimation of the proportion of non-dippers. This bias ismore pronounced in patients who take a siesta during ABP monitoring.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 21:51:59