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Titolo:
AUTONOMIC CARDIOVASCULAR CONTROL IN PREGNANCY
Autore:
EKHOLM EMK; ERKKOLA RU;
Indirizzi:
TURKU UNIV HOSP,DEPT OBSTET & GYNECOL,KIINAMYLLYNK 4-8 SF-20520 TURKUFINLAND
Titolo Testata:
European journal of obstetrics, gynecology, and reproductive biology
fascicolo: 1, volume: 64, anno: 1996,
pagine: 29 - 36
SICI:
0301-2115(1996)64:1<29:ACCIP>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLASMA-CATECHOLAMINE RESPONSES; RESPIRATORY SINUS ARRHYTHMIA; CORONARY-ARTERY DISEASE; HEART-RATE-VARIABILITY; RATE SPECTRAL-ANALYSIS; ISOMETRIC-EXERCISE; INDUCED HYPERTENSION; VALSALVA MANEUVER; PRESSURE RESPONSE; POSTURAL CHANGE;
Keywords:
MATERNAL HEMODYNAMICS; AUTONOMIC CARDIOVASCULAR CONTROL; CARDIOVASCULAR REFLEX TESTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
75
Recensione:
Indirizzi per estratti:
Citazione:
E.M.K. Ekholm e R.U. Erkkola, "AUTONOMIC CARDIOVASCULAR CONTROL IN PREGNANCY", European journal of obstetrics, gynecology, and reproductive biology, 64(1), 1996, pp. 29-36

Abstract

Pregnancy is associated with profound adaptive changes in the maternal hemodynamics. Although the autonomic nervous system plays a central role in the adaptation of the cardiovascular system to various needs, its role in the adaptation of the circulation to the demands of pregnancy is poorly understood. This paper reviews the literature of autonomic cardiovascular control in pregnancy as studied with the cardiovascular reflex tests. A Medline search and manual cross-referencing for prior publications were used. All papers found on the hemodynamic effects of the Valsalva maneuver, the orthostatic test, the deep breathing test, the isometric handgrip test and maternal heart rate variability in pregnancy were reviewed and all publications that studied short-termchanges in maternal heart rate and blood pressure were included. The beginning of pregnancy is associated with sympathetic reactivity, whereas the latter half of pregnancy is characterized by increased hemodynamic stability during orthostatic stress. The heart rate response to the Valsalva maneuver is blunted in mid-pregnancy, possibly due to changes in the baroreflex and increased maternal blood volume. Heart rate variability is significantly reduced in the second trimester. Cardiovascular reflex tests can be used to study drug effects on maternal circulation non-invasively.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 14:40:36