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  • Title: [Comparison of fetal circulatory responses during maternal bleeding and fetal bleeding].
    Author: Yoshihara H, Genda T, Nemoto S, Shimada N, Nishijima M, Asai H, Shiotsu H, Satoh K.
    Journal: Nihon Sanka Fujinka Gakkai Zasshi; 1996 Jan; 48(1):9-16. PubMed ID: 8576627.
    Abstract:
    The purpose of this study was to compare the fetal circulatory responses during maternal hemorrhage and fetal hemorrhage. Four pregnant goats, gestational age 131 +/- 7 days for the fetal hemorrhage and 5 goats, 132 +/- 2 days (term 145 days) for the maternal hemorrhage were used. The amounts of hemorrhage were 700ml per 2 hours for the maternal hemorrhage and 40ml per 2 hours for the fetal hemorrhage. Although fetal arterial pH decreased during both hemorrhages, fetal arterial pO2 increased during the fetal hemorrhage and decreased in the maternal hemorrhage. The fetal arginine vasopressin concentration and plasma renin activity increased during both hemorrhages, but the rates of change in the hormone concentrations were higher during the fetal hemorrhage. The fetal aldosterone concentration decreased during maternal hemorrhage but increased during fetal hemorrhage. FAP increased and FHR decreased during maternal hemorrhage. FAP and FHR were significantly correlated to the AVP concentration. These relationships were not found during fetal hemorrhage. We therefore concluded that fetal responses were completely different in pO2, FAP and FHR during the maternal and fetal hemorrhages.
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