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Titolo:
24H RHYTHM OF BLOOD-PRESSURE AND FOREARM PERIPHERAL RESISTANCE IN NORMOTENSIVE AND HYPERTENSIVE SUBJECTS CONFINED TO BED
Autore:
CASIGLIA E; PALATINI P; COLANGELI G; GINOCCHIO G; DIMENZA G; ONESTO C; PEGORARO L; BIASIN R; CANALI C; PESSINA AC;
Indirizzi:
UNIV PADUA,DEPT CLIN & EXPT MED,VIA GIUSTINIANI 2 I-35128 PADUA ITALY
Titolo Testata:
Journal of hypertension
fascicolo: 1, volume: 14, anno: 1996,
pagine: 47 - 52
SICI:
0263-6352(1996)14:1<47:2ROBAF>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEART-RATE-VARIABILITY; CIRCADIAN VARIATION; NON-DIPPERS; REPRODUCIBILITY; ACCURACY; TM-2420; FLOW;
Keywords:
BLOOD PRESSURE MONITORING; PERIPHERAL RESISTANCE; CIRCADIAN RHYTHM; DIPPER HYPERTENSIVES; PLETHYSMOGRAPHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
E. Casiglia et al., "24H RHYTHM OF BLOOD-PRESSURE AND FOREARM PERIPHERAL RESISTANCE IN NORMOTENSIVE AND HYPERTENSIVE SUBJECTS CONFINED TO BED", Journal of hypertension, 14(1), 1996, pp. 47-52

Abstract

Objectives To define whether a diurnal rhythm of peripheral resistance exists in normotensive and hypertensive subjects, has any relationship with that of blood pressure and differs in dipper and non-dipper hypertensives. Design and methods Forty-three subjects (13 normotensivesand 30 mild-to-moderate essential hypertensives) confined for 24 h tobed were included. Blood pressure was recorded for 22 h at 15 min intervals, plethysmographic forearm flow was simultaneously measured and forearm resistance calculated, The analysis was performed for the whole 22 h period and for three 4 h truncated periods, two of certain wakefulness and one of certain sleep. Results A circadian rhythm of forearm resistance was shown in the normotensives, paralleling that: of blood pressure. All the normotensives were dippers, with a nocturnal bloodpressure dip (systolic/diastolic) of -4.5/-6.0%, In the hypertensives, the day/night blood pressure trends were not homogeneous: 21 showed higher blood pressure values during waking time, with a trend quite similar to that of the normotensives, whereas the other nine were non-dippers, Resistance was lower during sleep than during waking both in the normotensives and in the dipper hypertensives, whereas in the non-dippers it was higher during sleep. Conclusions A sleep/waking rhythm ofperipheral resistance with the highest values during daytime and the lowest during night-time does exist in normotensive as well as in the majority of hypertensive subjects resting continuously in bed, and therefore is largely independent of physical activity. Only in a minorityof hypertensive patients are higher values of peripheral resistance present during sleep.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 21:45:51