Time-varying limits for single blood pressures and heart rates of group-synchronized healthy women

Kuniaki Otsuka, Germaine Cornélissen, Haruo Watanabe, Steven Hunt, Franz Halberg

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The circadian waveform in blood pressure (BP) and heart rate (HR) was explored in young adult women. Clinically healthy nurses, 18-25 years of age, volunteered for this study. Each was to provide measurements of systolic, mean arterial, and diasolic BP and HR at 15-min intervals over 48 h by using an ambulatory monitor ABPM-630 (Colin Medical, Komaki, Japan). The data consist of several sets of values. One set consists of a series from each of 44 student nurses, monitored in November, 1987. A second set stems from 50 nurses studied in June, 1988. Another set is composed of data from 56 nurses monitored between May and September, 1989. The nurses were all on a diurnal activity/nocturnal rest schedule. Reference limits were computed as 90% prediction limits specified by circadian stage. Data in intervals of 1 h, displaced by 30 min were used for the computation of these limits. Examination of chronodesms, i.e., time-specified limits of acceptability, revealed that the limits were very rugged. Similar features were found for all sets of data, such as peaks after arising, around noon, and in the evening. The features may perhaps be related to a physiologic response rather than representing purely random variation.

Original languageEnglish
Pages (from-to)107-111
Number of pages5
JournalHeart and Vessels
Volume6
Issue number2
DOIs
Publication statusPublished - Jun 1991
Externally publishedYes

Fingerprint

Heart Rate
Nurses
Blood Pressure
Young Adult
Appointments and Schedules
Arterial Pressure
Japan
Students

Keywords

  • 90% prediction limits
  • A peer-group reference standard
  • Ambulatory BP monitoring
  • Chronobiologic diagnosis
  • Circadian chronodesm

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Time-varying limits for single blood pressures and heart rates of group-synchronized healthy women. / Otsuka, Kuniaki; Cornélissen, Germaine; Watanabe, Haruo; Hunt, Steven; Halberg, Franz.

In: Heart and Vessels, Vol. 6, No. 2, 06.1991, p. 107-111.

Research output: Contribution to journalArticle

Otsuka, Kuniaki ; Cornélissen, Germaine ; Watanabe, Haruo ; Hunt, Steven ; Halberg, Franz. / Time-varying limits for single blood pressures and heart rates of group-synchronized healthy women. In: Heart and Vessels. 1991 ; Vol. 6, No. 2. pp. 107-111.
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