| A longitudinal study of the control of renal and uterine hemodynamic changes of pregnancy. | |
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MedLine Citation:
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PMID: 21740248 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We have determined the sequence and extent of maternal renal and uterine adaptation to pregnancy and examined the role of hormonal factors in their regulation. Renal bipolar diameter (RBD), renal artery resistance index (RARI), uterine artery pulsatility index (UAPI), and plasma relaxin, human chorionic gonadotropin (hCG), progesterone, estradiol, urea, and creatinine were measured longitudinally in women with normal spontaneous singleton pregnancies, in vitro fertilization (IVF) singleton pregnancies, ovum donation (OD) singleton pregnancies, and multiple pregnancies from prepregnancy to postpartum. There was a progressive increase in the RBD and the RARI and a decrease in the UAPI during pregnancy. These changes reversed toward prepregnancy levels by 6 weeks post delivery. There was no difference in the rate of change of RBD, RARI, and UAPI between spontaneous singleton, IVF singleton, OD singleton, and multiple pregnancies (p < 0.05), but relaxin was directly correlated to the RARI (r = 0.654, p = 0.015), and progesterone was inversely correlated to uterine artery PI (r = 0.554, p = 0.049). These data show that renal size and resistance to blood flow increase with advancing gestation, whereas the uterine artery resistance declined with gestation. These changes may be influenced by relaxin and progesterone. |
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Authors:
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Onome Ogueh; Angela Clough; Maggie Hancock; Mark R Johnson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Hypertension in pregnancy : official journal of the International Society for the Study of Hypertension in Pregnancy Volume: 30 ISSN: 1525-6065 ISO Abbreviation: Hypertens Pregnancy Publication Date: 2011 |
Date Detail:
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Created Date: 2011-07-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9421297 Medline TA: Hypertens Pregnancy Country: England |
Other Details:
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Languages: eng Pagination: 243-59 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital , London , UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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