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Titolo:
MODIFICATIONS OF ERYTHROCYTE AGGREGATION DURING LABOR AND DELIVERY
Autore:
BRUN JF; BOULOT P; ROUSSEAU O; ELBOUHMADI A; LAFFARGUE F; VIALA JL; ORSETTI A;
Indirizzi:
HOP LAPEYRONIE,SERV EXPLORAT PHYSIOL HORMONES & METAB F-34059 MONTPELLIER FRANCE FAC MED MONTPELLIER,INST BIOL,PHYSIOL LAB 2 MONTPELLIER FRANCE SERV GYNECOL & OBSTET MONTPELLIER F-34050 MONTPELLIER FRANCE
Titolo Testata:
Clinical hemorheology
fascicolo: 5, volume: 14, anno: 1994,
pagine: 643 - 649
SICI:
0271-5198(1994)14:5<643:MOEADL>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
PREGNANCY; FLOW;
Keywords:
LABOR; ERYTHROCYTE AGGREGATION; HEMORHEOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
J.F. Brun et al., "MODIFICATIONS OF ERYTHROCYTE AGGREGATION DURING LABOR AND DELIVERY", Clinical hemorheology, 14(5), 1994, pp. 643-649

Abstract

Pregnancy is associated with erythrocyte hyperaggregation which acutely returns to baseline during delivery, while a transient hyperviscosity syndrome induced by uterine contractions can be observed. We aimed at analyzing more precisely the modifications of erythrocyte aggregation during labor. 71 uterine contractions in 30 pregnant women (19-45 yr, mean 27.2 +/- 9) were studied, with RBC aggregation (SEFAM erythroaggregometer) measured before, during and after the contraction. Aggregation indices at 10 and 60 sec progressively increased throughout labor (p<0.01). Partial and total dissociation thresholds progressively decrease during labor with a nadir (-10%) at delivery (p<0.01). The aggregation time is transiently shortened (p<0.01) during labor. Although previous measurements with the Myrenne aggregometer showed only duringlabor a return to nonpregnant values, this analysis by laser backscattering indicates that the stressful events which occur during uterine contractions increase the tendency of RBCs to form aggregates, although they disaggregate more easily.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 19:34:35