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Titolo:
A TEST OF REPRODUCIBILITY OF BLOOD-PRESSURE AND HEART-RATE-VARIABILITY USING A CONTROLLED AMBULATORY PROCEDURE
Autore:
GERIN W; ROSOFSKY M; PIEPER C; PICKERING TG;
Indirizzi:
CORNELL UNIV,MED CTR,NEW YORK HOSP,COLL MED,CTR HYPERTENS,STARR PAVILST405,525 E 68TH ST NEW YORK NY 10021 HARVARD UNIV,SCH MED BOSTON MA 02115 DUKE UNIV,MED CTR,CTR AGING & HUMAN DEV DURHAM NC 27710
Titolo Testata:
Journal of hypertension
fascicolo: 10, volume: 11, anno: 1993,
pagine: 1127 - 1131
SICI:
0263-6352(1993)11:10<1127:ATOROB>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
TARGET-ORGAN DAMAGE; CARDIOVASCULAR-RESPONSES; EVERYDAY LIFE; HYPERTENSION; REACTIVITY; STRESS; HOME;
Keywords:
AMBULATORY BLOOD PRESSURE MONITORING; RELIABILITY; REPRODUCIBILITY; BLOOD PRESSURE VARIABILITY; ROOT-MEAN-SQUARE OF SUCCESSIVE DIFFERENCES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
W. Gerin et al., "A TEST OF REPRODUCIBILITY OF BLOOD-PRESSURE AND HEART-RATE-VARIABILITY USING A CONTROLLED AMBULATORY PROCEDURE", Journal of hypertension, 11(10), 1993, pp. 1127-1131

Abstract

Objective: To determine whether the previously reported poor reproducibility of blood pressure variability measured by ambulatory blood pressure monitoring (ABPM) is due to the uncontrolled nature of physical and mental activity during the monitoring period. Design: ABPM was performed on two separate days during which subjects performed identical activities, accompanied by the experimenter. Thus, activity and posture were controlled, both within and between subjects. Two measures of variability were used: SD and the root-mean-square of successive differences (RMSSD). Methods: Thirty-seven subjects participated. Each engaged in a series of activities, such as walking outdoors, editing and alphabetizing tasks, and eating lunch, while wearing an A & D 2420 ambulatory blood pressure monitor which took measurements at 5-min intervals. Measures of variability were computed within each session. Results:Contrary to previous reports, reproducibility was moderately high forblood pressure, with significant correlations between SD and between RMSSD for systolic and diastolic blood pressure. Heart rate reproducibility was less good. Conclusions: Lack of standardization of activities from one occasion to another is a major reason for the poor reproducibility of blood pressure variability when measured using ABPM. Even when activities are standardized, however, the reproducibility of bloodpressure variability is still only moderate and may limit the abilityof researchers to detect associations between ABPM variability and other measures.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/07/20 alle ore 15:20:52