期刊
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
卷 115, 期 3, 页码 369-376出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1471-0528.2007.01577.x
关键词
echocardiography; maternal cardiac output; pre-eclampsia; pregnancy
Objective To assess maternal cardiac function in nulliparous women in the first trimester of pregnancy and evaluate its potential role for predicting pre-eclampsia and small for gestational age (SGA). Design Prospective, observational, cross-sectional study. Setting Maternity unit of a teaching hospital. Population Nulliparous women with singleton pregnancies presenting consecutively for routine antenatal care (n = 534). Methods Two-dimensional and M-mode echocardiography and uterine artery Dopplers were carried out at 11-14 weeks. Main outcome measures Cardiac output (CO), stroke volume (SV), mean arterial pressure (MAP), total vascular resistance and uterine artery pulsatility index (UAPI) were compared in four outcome groups according to the development of pre-eclampsia and/or SGA. Results Compared with the normal outcome group (n = 457), in those with pre-eclampsia but not SGA (n = 8), CO and MAP were increased; in the group with pre-eclampsia and SGA (n =19) MAP, TRP and UAPI were increased and in the group with SGA but no pre-eclampsia (n = 50) total peripheral resistance and UAPI were increased. Independent predictors of pre-eclampsia were MAP, SV and UAPI and of SGA SV and UAPI. Conclusions Alterations in maternal cardiac function and UAPI are observed in the first trimester of pregnancy in nulliparous women that subsequently develop pre-eclampsia and/or SGA.
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